/* ===============================
   GLOBAL RESET & VARIABLES
================================ */

:root {
  /* Default (Crimson Dark) Theme - High Contrast Refined */
  --primary: #dc2626;
  /* Vivid Crimson */
  --primary-dark: #450a0a;
  /* Extremely Dark Red */
  --primary-light: #f87171;
  /* Light Coral Red */
  --accent: #991b1b;
  --accent-light: #fca5a5;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg-primary: #000000;
  --bg-secondary: #080808;
  --bg-tertiary: #121212;
  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --text-muted: #525252;
  --text-on-primary: #ffffff;
  --border: rgba(220, 38, 38, 0.2);
  --glass: rgba(10, 10, 10, 0.95);
  --glass-border: rgba(220, 38, 38, 0.25);
}

[data-theme="light"] {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #60a5fa;
  --accent: #0891b2;
  --accent-light: #22d3ee;
  --bg-primary: #f0f9ff;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e0f2fe;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-on-primary: #ffffff;
  --border: rgba(148, 163, 184, 0.2);
  --glass: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(148, 163, 184, 0.3);
}

[data-theme="midnight"] {
  --primary: #818cf8;
  /* Royal Indigo */
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;
  --accent: #c026d3;
  --accent-light: #e879f9;
  --bg-primary: #020204;
  /* Obsidian Black */
  --bg-secondary: #0a0a14;
  --bg-tertiary: #131325;
  --text-primary: #f5f3ff;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --text-on-primary: #ffffff;
  --border: rgba(99, 102, 241, 0.12);
  --glass: rgba(10, 10, 20, 0.8);
  --glass-border: rgba(99, 102, 241, 0.2);
}


[data-theme="cyberpunk"] {
  --primary: #d400ff;
  /* Electric Magenta */
  --primary-dark: #8b00a6;
  --primary-light: #f380ff;
  --accent: #7000ff;
  /* Deep Violet */
  --accent-light: #b380ff;
  --bg-primary: #050005;
  /* Deep Obsidian */
  --bg-secondary: #0d001a;
  /* Void Purple */
  --bg-tertiary: #1a0033;
  /* Tech Indigo */
  --text-primary: #fdf2ff;
  --text-secondary: #c084fc;
  --text-muted: #7e22ce;
  --text-on-primary: #ffffff;
  --border: rgba(212, 0, 255, 0.2);
  --glass: rgba(13, 0, 26, 0.85);
  --glass-border: rgba(212, 0, 255, 0.3);
}

/* Cyber-Neon Specific Semantic Overrides */
[data-theme="cyberpunk"] .level-badge {
  background: rgba(212, 0, 255, 0.1);
  border: 1px solid var(--primary);
  color: var(--primary) !important;
  box-shadow: 0 0 15px rgba(212, 0, 255, 0.3);
}

[data-theme="cyberpunk"] .nav-btn.active {
  background: var(--primary);
  color: #ffffff !important;
  box-shadow: 0 0 20px rgba(212, 0, 255, 0.4);
}

[data-theme="cyberpunk"] .solve-btn {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #ffffff !important;
  border: none;
  box-shadow: 0 0 20px rgba(212, 0, 255, 0.3);
}

[data-theme="cyberpunk"] .input-card {
  border-left: 3px solid var(--primary);
  box-shadow: 0 0 15px rgba(212, 0, 255, 0.05);
}

[data-theme="onyx"] {
  --primary: #ffffff;
  --primary-dark: #a3a3a3;
  --primary-light: #ffffff;
  --accent: #ffffff;
  --accent-light: #f3f4f6;
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #121212;
  --text-primary: #ffffff;
  --text-secondary: #d1d5db;
  --text-muted: #6b7280;
  --text-on-primary: #000000;
  --border: rgba(255, 255, 255, 0.1);
  --glass: rgba(10, 10, 10, 0.85);
  --glass-border: rgba(255, 255, 255, 0.15);
}

/* Onyx Specific Semantic Overrides */
[data-theme="onyx"] .schema-btn.active,
[data-theme="onyx"] .solve-btn,
[data-theme="onyx"] .nav-btn.active,
[data-theme="onyx"] .notes-tool-btn:hover,
[data-theme="onyx"] #addTaskBtn,
[data-theme="onyx"] .level-badge {
  color: #000000 !important;
}

[data-theme="onyx"] .input-card input,
[data-theme="onyx"] .planner-inputs input,
[data-theme="onyx"] .notes-area {
  background: #0a0a0a !important;
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
}

[data-theme="onyx"] .input-card label {
  color: #ffffff !important;
}

[data-theme="onyx"] .schema-btn {
  background: #121212;
  color: #a3a3a3;
}


/* Theme Selector Styles */
.theme-toggle-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: transform 0.2s ease, opacity 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.theme-toggle-btn:hover {
  background: rgba(59, 130, 246, 0.1);
  transform: rotate(15deg);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% -20%, rgba(239, 68, 68, 0.05), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ===============================
   APP LAYOUT
================================ */

.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  flex: 1;
  min-height: 0;
  position: relative;
  z-index: 1;
  transition: grid-template-columns 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.app.sidebar-collapsed {
  grid-template-columns: 0px 1fr;
}

.sidebar-toggle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-right: 12px;
}

.sidebar-toggle-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: scale(1.1);
}

.app.sidebar-collapsed .toggle-icon {
  transform: rotate(180deg);
}

/* ===============================
   TOP BAR
================================ */

.topbar {
  grid-column: 1 / -1;
  height: 72px;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  font-weight: 600;
  position: relative;
  /* Fix for absolute positioned search bar */
  z-index: 10;
  border-bottom: 2px solid var(--primary);
  animation: slideDown 0.5s ease-out;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  color: var(--text-on-primary);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.logo::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: rotate(45deg);
  animation: logoShine 3s infinite;
}

@keyframes logoShine {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }

  100% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}

.logo:hover {
  transform: scale(1.05) rotate(5deg);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.topbar span {
  opacity: 0.95;
  color: var(--text-primary);
}

.topbar [contenteditable="true"] {
  cursor: text;
  outline: none;
  padding: 4px 8px;
  border-radius: 6px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.topbar [contenteditable="true"]:focus {
  background: rgba(59, 130, 246, 0.15);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

/* ===============================
   LEFT SIDEBAR
================================ */

.sidebar {
  padding: 32px 24px;
  border-right: 1px solid var(--border);
  background: var(--glass);
  backdrop-filter: none;
  overflow-y: auto;
  overflow-x: hidden;
  height: 100%;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
  contain: layout paint;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.app.sidebar-collapsed .sidebar {
  padding: 32px 0;
  border-right: none;
  opacity: 0;
  pointer-events: none;
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.sidebar h3 {
  color: var(--accent-light);
  margin-bottom: 20px;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
  opacity: 0.9;
}

.nav-btn {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 14px 18px;
  margin-bottom: 8px;
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  border-radius: 12px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.nav-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.2), transparent);
  transition: left 0.5s ease;
}

.nav-btn:hover::before {
  left: 100%;
}

.nav-btn:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--primary);
  color: var(--text-primary);
  transform: translateX(6px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.nav-btn.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-color: var(--primary);
  color: var(--text-on-primary);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
  transform: translateX(4px);
}

.nav-btn.active::after {
  content: '';
  position: absolute;
  right: 12px;
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
  animation: pulse 2s infinite;
}

/* Center content when sidebar is collapsed */
.app.sidebar-collapsed .section-content {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

/* Ensure all major section containers are centered */
.dashboard-grid,
.home-grid,
.usage-guide,
.planner-box,
.study-container,
.labmanual-box,
.attendance-container,
.notes-container,
.gemini-chat-wrapper,
.analyzer-inputs,
.results,
.progress-container,
.exam-grid,
.profile-header {
  margin-left: auto;
  margin-right: auto;
}

/* Immersive sections should remain full-width */
.app.sidebar-collapsed #studyverse {
  padding: 0 !important;
}

.app.sidebar-collapsed #studyverse .section-content {
  max-width: 100% !important;
  width: 100% !important;
  padding: 0 !important;
}

.app.sidebar-collapsed #studyverse .canvas-wrapper {
  border-radius: 0;
  margin-top: 0;
  height: 90vh;
  /* Increase height for more immersion */
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.7;
    transform: scale(1.2);
  }
}

.nav-btn:active {
  transform: scale(0.98);
}

.link-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  padding: 10px 12px;
  margin-bottom: 4px;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
  font-size: 0.8rem;
  text-decoration: none;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.link-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.link-item:hover::before {
  transform: scaleY(1);
}

.link-item:hover {
  background: rgba(59, 130, 246, 0.1);
  color: var(--text-primary);
  transform: translateX(6px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.link-icon {
  font-size: 1rem;
  width: 20px;
  height: 20px;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  filter: grayscale(0.2);
  transition: transform 0.2s ease, opacity 0.2s ease;
  flex-shrink: 0;
}

.link-item:hover .link-icon {
  filter: grayscale(0);
  transform: scale(1.15) rotate(5deg);
}

/* ===============================
   MAIN CONTENT
================================ */

.main {
  padding: 48px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
  position: relative;
  height: 100%;
  width: 100%;
  box-sizing: border-box;
  scroll-behavior: smooth;
  contain: size layout;
}

.main::-webkit-scrollbar {
  width: 8px;
}

.main::-webkit-scrollbar-track {
  background: transparent;
}

.main::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

.main::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

.section {
  display: none;
  opacity: 0;
  transform: translateY(20px) scale(0.98);
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  content-visibility: auto;
  contain-intrinsic-size: 1px 1000px;
}

.section.active {
  display: block;
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===============================
   ANALYZER
================================ */

.analyzer-title {
  font-size: 2.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  animation: titleSlide 0.8s ease-out;
}

@keyframes titleSlide {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.analyzer-sub {
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-size: 1.05rem;
  line-height: 1.6;
  animation: fadeIn 0.8s ease-out 0.2s both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.analyzer-schema-selector {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  animation: fadeIn 0.8s ease-out 0.25s both;
}

.schema-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 10px 20px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.schema-btn:hover {
  border-color: var(--primary);
  background: rgba(239, 68, 68, 0.05);
  color: var(--text-primary);
}

.schema-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-on-primary);
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.analyzer-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.input-card {
  background: var(--glass);
  backdrop-filter: none;
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 24px;
  transition: transform 0.2s ease, opacity 0.2s ease;
  position: relative;
  overflow: hidden;
}

.input-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.input-card:hover::before {
  transform: scaleX(1);
}

.input-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.2);
}

.input-card label {
  display: block;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-card input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.input-card input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(15, 23, 42, 0.8);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
  transform: scale(1.02);
}

.solve-btn {
  margin-top: 8px;
  width: 100%;
  padding: 16px 24px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border: none;
  border-radius: 14px;
  color: var(--text-on-primary);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, opacity 0.2s ease;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.solve-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.solve-btn:hover::before {
  width: 300px;
  height: 300px;
}

.solve-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.5);
}

.solve-btn:active {
  transform: translateY(-1px) scale(0.98);
}

/* ===============================
   RESULTS
================================ */

.results {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

.result-card {
  background: var(--glass);
  backdrop-filter: none;
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 28px;
  transition: transform 0.2s ease, opacity 0.2s ease;
  position: relative;
  overflow: hidden;
}

.result-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.result-card:hover::after {
  opacity: 1;
}

.result-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: 0 16px 40px rgba(59, 130, 246, 0.25);
}

.result-card h3 {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  font-weight: 600;
}

.result-card p {
  color: var(--text-primary);
  font-size: 1.75rem;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

/* ===============================
   PROGRESS BAR
================================ */

.progress-container {
  margin-top: 48px;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.progress-bar-wrapper {
  background: var(--glass);
  backdrop-filter: none;
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 32px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.progress-bar-wrapper:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
}

.progress-bar {
  position: relative;
  width: 100%;
  height: 40px;
  background: rgba(15, 23, 42, 0.6);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.3);
}

.progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 50%, var(--primary-light) 100%);
  border-radius: 20px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:
    0 0 30px rgba(59, 130, 246, 0.6),
    inset 0 0 20px rgba(255, 255, 255, 0.15);
  animation: progressShimmer 2.5s infinite;
}

@keyframes progressShimmer {

  0%,
  100% {
    box-shadow:
      0 0 30px rgba(59, 130, 246, 0.6),
      inset 0 0 20px rgba(255, 255, 255, 0.15);
  }

  50% {
    box-shadow:
      0 0 40px rgba(59, 130, 246, 0.8),
      inset 0 0 25px rgba(255, 255, 255, 0.2);
  }
}

.progress-glow {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg,
      transparent,
      rgba(255, 255, 255, 0.4),
      transparent);
  animation: glowMove 2.5s infinite;
  pointer-events: none;
}

@keyframes glowMove {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

.progress-label {
  margin-top: 16px;
  text-align: center;
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===============================
   PLANNER
================================ */

#planner {
  max-width: 900px;
  position: relative;
}

.planner-title {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
  animation: titleSlide 0.8s ease-out;
}

.planner-subtitle {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.05rem;
  animation: fadeIn 0.8s ease-out 0.2s both;
}

.planner-box {
  background: var(--glass);
  backdrop-filter: none;
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 32px;
  transition: transform 0.2s ease, opacity 0.2s ease;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.planner-box:hover {
  border-color: var(--primary);
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.15);
}

.planner-inputs {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 16px;
  margin-bottom: 28px;
}

.planner-inputs input {
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.planner-inputs input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(15, 23, 42, 0.8);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

#addTaskBtn {
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border: none;
  border-radius: 12px;
  color: var(--text-on-primary);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

#addTaskBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(59, 130, 246, 0.3);
}

/* Task List consolidated below in Planner section */

/* ===============================
   NOTES SECTION
================================ */

.notes-container {
  height: calc(100vh - 300px);
  min-height: 500px;
  max-height: 800px;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  margin-top: 24px;
}

.notes-area {
  width: 100%;
  height: 100%;
  background: var(--glass);
  backdrop-filter: none;
  border: 1px solid var(--glass-border);
  padding: 32px;
  color: var(--text-primary);
  font-size: 1.1rem;
  line-height: 1.6;
  resize: none;
  font-family: inherit;
  transition: transform 0.2s ease, opacity 0.2s ease;
  box-sizing: border-box;
}

.notes-area:focus {
  outline: none;
  background: var(--bg-secondary);
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.notes-status {
  position: absolute;
  bottom: 16px;
  right: 24px;
  font-size: 0.8rem;
  color: var(--text-muted);
  pointer-events: none;
  opacity: 0.7;
  z-index: 10;
}

/* ===============================
   EXAM COUNTDOWN
================================ */

.exam-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
  width: 100%;
}

.exam-card {
  background: var(--glass);
  backdrop-filter: none;
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, opacity 0.2s ease;
  min-width: 0;
}

.exam-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.2);
  border-color: var(--primary);
}

.exam-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.exam-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.days-left {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.days-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

.exam-date {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.add-exam-form {
  background: var(--glass);
  padding: 24px;
  border-radius: 20px;
  border: 1px dashed var(--border);
  display: flex;
  flex-direction: row;
  gap: 16px;
  margin-bottom: 32px;
}

.add-exam-form input {
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-primary);
  flex: 1;
}

.add-exam-form button {
  padding: 12px 24px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-on-primary);
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.add-exam-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.delete-exam-btn {
  background: transparent;
  border: none;
  color: var(--danger);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.delete-exam-btn:hover {
  opacity: 1;
  transform: scale(1.1);
}

/* ===============================
   PLANNER CALENDAR
================================ */

.planner-controls {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 16px;
  gap: 12px;
}

.view-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.view-btn.active {
  background: var(--primary);
  color: var(--text-on-primary);
  border-color: var(--primary);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin-top: 16px;
}

.calendar-day-header {
  text-align: center;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px;
  font-size: 0.9rem;
}

.calendar-day {
  aspect-ratio: 1;
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease, color 0.2s ease;
  position: relative;
}

.calendar-day:hover {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.1);
}

.calendar-day.today {
  border-color: var(--accent);
  background: rgba(6, 182, 212, 0.1);
}

.calendar-day.has-task::after {
  content: '';
  position: absolute;
  bottom: 6px;
  width: 6px;
  height: 6px;
  background: var(--warning);
  border-radius: 50%;
}

.calendar-date-number {
  font-weight: 600;
  font-size: 1rem;
}

.planner-views {
  position: relative;
  min-height: 300px;
}

#calendarView {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

#listView {
  display: block;
  animation: fadeIn 0.4s ease-out;
}

/* ===============================
   DASHBOARD & GAMIFICATION
================================ */

.profile-header {
  display: flex;
  align-items: center;
  gap: 32px;
  background: var(--glass);
  backdrop-filter: none;
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 32px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
  animation: slideInLeft 0.6s ease-out;
}

.profile-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.profile-pic-container {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--bg-secondary);
  box-shadow: 0 0 0 4px var(--primary);
  position: relative;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.profile-pic-container:hover {
  transform: scale(1.05);
  box-shadow: 0 0 0 6px var(--accent);
}

.profile-pic-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  font-size: 2rem;
  transition: opacity 0.3s ease;
}

.profile-pic-container:hover .profile-overlay {
  opacity: 1;
}

.profile-info {
  flex: 1;
}

.profile-info h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 4px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  outline: none;
}

.profile-info p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 16px;
  outline: none;
}

.xp-container {
  display: flex;
  align-items: center;
  gap: 16px;
}

.level-badge {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.xp-bar-wrapper {
  flex: 1;
  max-width: 300px;
  height: 12px;
  background: rgba(15, 23, 42, 0.4);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.xp-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 6px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
  position: relative;
  overflow: hidden;
}

/* removed shimmer for performance */

@keyframes shimmer {
  0% {
    left: -100%;
  }

  100% {
    left: 100%;
  }
}

.xp-text {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-muted);
}


.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  animation: fadeInUp 0.8s ease-out 0.2s both;
  width: 100%;
  box-sizing: border-box;
}

.dashboard-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
  contain: layout paint;
}

.dashboard-card:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: var(--primary);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 15px rgba(239, 68, 68, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.quote-card {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, rgba(0, 0, 0, 0.1) 100%);
  border: 1px solid rgba(239, 68, 68, 0.1);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.quote-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 8rem;
  color: rgba(239, 68, 68, 0.03);
  font-family: serif;
}

.quote-card h3 {
  color: var(--primary-light);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.quote-card p {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: serif;
  font-style: italic;
  outline: none;
  white-space: pre-wrap;
}

.chart-card h3 {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-container {
  height: 250px;
  width: 100%;
  position: relative;
}

/* ===============================
   HEATMAP (LEETCODE STYLE)
================================ */

.heatmap-card {
  grid-column: 1 / -1;
  overflow-x: auto;
  padding: 24px;
}

.heatmap-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.heatmap-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.heatmap-stats strong {
  color: var(--text-primary);
  margin-left: 4px;
}

/* ===============================
/* ===============================
   Heatmap Container (Month Separate Blocks)
================================ */
.heatmap-container {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 20px 4px;
  /* Padding for scrollbar clearance */
  max-width: 100%;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.heatmap-container::-webkit-scrollbar {
  height: 6px;
}

.heatmap-container::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

/* Individual Month Block */
.month-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: max-content;
}

.month-header {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

/* 7-Row Grid (Column Flow) */
.month-grid {
  display: grid;
  grid-template-rows: repeat(7, 1fr);
  /* 7 days vertical */
  grid-auto-flow: column;
  /* Fill columns first */
  gap: 3px;
}

/* Day Squares */
.heatmap-day {
  width: 11px;
  height: 11px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.03);
  /* Base empty color */
  position: relative;
  transition: transform 0.1s ease, background 0.2s ease;
}

.heatmap-day:hover {
  transform: scale(1.2);
  z-index: 10;
  box-shadow: 0 0 8px var(--primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Levels */
.heatmap-day.level-1 {
  background: rgba(16, 185, 129, 0.2);
}

.heatmap-day.level-2 {
  background: rgba(16, 185, 129, 0.4);
}

.heatmap-day.level-3 {
  background: rgba(16, 185, 129, 0.6);
}

.heatmap-day.level-4 {
  background: rgba(16, 185, 129, 0.8);
}

.heatmap-day.level-5 {
  background: #10b981;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

/* Tooltip Custom */
.heatmap-day::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 150%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.9);
  color: white;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  white-space: pre;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 20;
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.heatmap-day:hover::after {
  opacity: 1;
}

/* Hide the old top-strip container */
.heatmap-months {
  display: none;
}

/* ===============================
   CUSTOM TOOLTIP (Aesthetic)
================================ */
.heatmap-day::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  /* floating higher */
  left: 50%;
  transform: translateX(-50%) translateY(5px);
  background: rgba(2, 6, 23, 0.95);
  /* Extremely dark */
  color: #f8fafc;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: pre-line;
  /* Allows multiline */
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  min-width: 100px;
  z-index: 1000;
}

.heatmap-day:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Little arrow for tooltip */
.heatmap-day::before {
  content: '';
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%) translateY(5px);
  border-width: 6px;
  border-style: solid;
  border-color: rgba(2, 6, 23, 0.95) transparent transparent transparent;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 1000;
}

.heatmap-day:hover::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}



/* ===============================
   GAMIFICATION 2.0 (BADGES & QUESTS)
================================ */

/* Badges */
/* .badges-card { } removed empty rule */

.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 8px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease, background 0.3s ease;
  position: relative;
}

.badge-item.locked {
  opacity: 0.5;
  filter: grayscale(100%);
}

.badge-item.unlocked {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
  transform: translateY(-2px);
}

.badge-item.unlocked:hover {
  transform: translateY(-5px) scale(1.05);
}

.badge-icon {
  font-size: 2rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.badge-name {
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
}

/* Quests */
/* .quests-card { } removed empty rule */

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.refresh-timer {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 4px 8px;
  border-radius: 6px;
}

.quest-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quest-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, opacity 0.2s ease, color 0.2s ease;
  cursor: pointer;
}

.quest-item:hover {
  background: rgba(255, 255, 255, 0.06);
}

.quest-item.completed {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
}

.quest-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--text-muted);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, opacity 0.2s ease, color 0.2s ease;
}

.quest-item.completed .quest-checkbox {
  background: #10b981;
  border-color: #10b981;
}

.quest-item.completed .quest-checkbox::after {
  content: '✓';
  color: white;
  font-size: 0.8rem;
  font-weight: bold;
}

.quest-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.quest-text {
  font-size: 0.9rem;
  font-weight: 500;
}

.quest-reward {
  font-size: 0.75rem;
  color: #fbbf24;
  /* Amber 400 */
}

.heatmap-day::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #333;
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 20;
  margin-bottom: 6px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.heatmap-day:hover::after {
  opacity: 1;
}



.planner-inputs button {
  padding: 14px 24px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.planner-inputs button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.planner-inputs button:active {
  transform: translateY(0) scale(0.98);
}

.task-list {
  list-style: none;
  margin-top: 24px;
}

.task-list li {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 16px;
  align-items: center;
  padding: 16px 20px;
  margin-bottom: 12px;
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: slideInRight 0.4s ease-out;
}

.task-list li.priority-high {
  border-left: 4px solid #ef4444;
  background: rgba(239, 68, 68, 0.03);
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.05);
}

.task-list li.done {
  opacity: 0.6;
}

.task-list li:hover {
  background: rgba(15, 23, 42, 0.6);
  border-color: var(--primary);
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.task-list input[type="checkbox"] {
  width: 22px;
  height: 22px;
  cursor: pointer;
  accent-color: var(--primary);
}

.task-list .task-text {
  font-size: 1.05rem;
  color: var(--text-primary);
  transition: all 0.3s ease;
  outline: none;
}

.task-list li.done .task-text {
  text-decoration: line-through;
  color: var(--text-muted);
}

.task-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  background: rgba(255, 255, 255, 0.05);
  padding: 4px 10px;
  border-radius: 8px;
}

.clear-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.clear-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
  color: #ef4444;
  transform: translateY(-2px);
}

.task-priority-select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 12px;
  padding: 0 12px;
  outline: none;
  cursor: pointer;
  font-weight: 500;
}

.task-priority-select:focus {
  border-color: var(--primary);
}

/* ===============================
   GEMINI ASSISTANT SECTION
================================ */

.gemini-title {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
  animation: titleSlide 0.8s ease-out;
}

.gemini-subtitle {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.05rem;
  animation: fadeIn 0.8s ease-out 0.2s both;
}

.gemini-chat-wrapper {
  max-width: 1000px;
  margin: 0 auto;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.gemini-chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 280px);
  min-height: 600px;
  background: var(--glass);
  backdrop-filter: none;
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.gemini-messages {
  flex: 1;
  overflow-y: auto;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
  background: linear-gradient(to bottom,
      rgba(15, 23, 42, 0.4) 0%,
      rgba(15, 23, 42, 0.2) 100%);
}

.gemini-messages::-webkit-scrollbar {
  width: 6px;
}

.gemini-messages::-webkit-scrollbar-track {
  background: transparent;
}

.gemini-messages::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

.gemini-message {
  display: flex;
  animation: fadeInUp 0.3s ease-out;
}

.gemini-message.user-message {
  justify-content: flex-end;
}

.gemini-message.bot-message {
  justify-content: flex-start;
}

.message-content {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  max-width: 75%;
}

.user-message .message-content {
  flex-direction: row-reverse;
}

.message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  background: var(--glass);
  border: 2px solid var(--glass-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.bot-message .message-avatar {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

.user-message .message-avatar {
  background: linear-gradient(135deg, var(--accent) 0%, var(--primary-light) 100%);
}

.message-text {
  padding: 14px 18px;
  border-radius: 16px;
  font-size: 0.95rem;
  line-height: 1.6;
  word-wrap: break-word;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.bot-message .message-text {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.user-message .message-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
}

.gemini-input-container {
  display: flex;
  gap: 12px;
  padding: 20px 24px;
  border-top: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: none;
  flex-shrink: 0;
}

.gemini-input {
  flex: 1;
  padding: 14px 20px;
  border-radius: 14px;
  border: 2px solid var(--border);
  background: rgba(15, 23, 42, 0.8);
  color: var(--text-primary);
  font-size: 1rem;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.gemini-input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(15, 23, 42, 0.8);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.gemini-send-btn {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  border: none;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  transition: transform 0.2s ease, opacity 0.2s ease;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
  flex-shrink: 0;
}

.gemini-send-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.gemini-send-btn:active {
  transform: translateY(0) scale(0.95);
}

.gemini-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===============================
   ATTENDANCE ANALYZER
================================ */

.attendance-title {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
  animation: titleSlide 0.8s ease-out;
}

.attendance-subtitle {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.05rem;
  animation: fadeIn 0.8s ease-out 0.2s both;
}

.attendance-container {
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.attendance-form-card {
  background: var(--glass);
  backdrop-filter: none;
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 28px;
  margin-bottom: 32px;
}

.attendance-form-card h3 {
  color: var(--text-primary);
  font-size: 1.2rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.attendance-form {
  display: flex;
  gap: 16px;
}

.attendance-input {
  flex: 1;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.attendance-input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(15, 23, 42, 0.8);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.attendance-btn-primary {
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.attendance-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.attendance-btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.subjects-container {
  display: grid;
  gap: 24px;
}

.subject-card {
  background: var(--glass);
  backdrop-filter: none;
  border: 2px solid var(--glass-border);
  border-radius: 18px;
  padding: 28px;
  transition: transform 0.2s ease, opacity 0.2s ease;
  animation: fadeInUp 0.5s ease-out;
  position: relative;
  overflow: hidden;
}

/* Risk Zone Styling */
.subject-card.safe-zone {
  border-color: #10b981;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.subject-card.at-risk-zone {
  border-color: #f59e0b;
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

.subject-card.danger-zone {
  border-color: #ef4444;
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
}

.subject-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.2);
}

.subject-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.subject-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.subject-stats {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.attendance-percentage {
  font-size: 2rem;
  font-weight: 700;
}

.attendance-percentage.safe {
  color: #10b981;
}

.attendance-percentage.at-risk {
  color: #f59e0b;
}

.attendance-percentage.danger {
  color: #ef4444;
}

.risk-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
}

.risk-status.safe {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.risk-status.at-risk {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.risk-status.danger {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.risk-message {
  padding: 16px;
  border-radius: 12px;
  margin: 16px 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

.risk-message.safe {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border-left: 4px solid #10b981;
}

.risk-message.at-risk {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  border-left: 4px solid #f59e0b;
}

.risk-message.danger {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border-left: 4px solid #ef4444;
}

.recovery-message {
  padding: 14px 18px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 12px;
  margin-top: 16px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 500;
}

.weeks-section {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.weeks-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.weeks-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.add-week-btn {
  padding: 10px 20px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.add-week-btn:hover {
  background: rgba(59, 130, 246, 0.2);
  transform: translateY(-2px);
}

.weeks-list {
  display: grid;
  gap: 12px;
}

.week-item {
  display: grid;
  grid-template-columns: auto 1fr 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px;
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.week-item:hover {
  background: rgba(15, 23, 42, 0.6);
  border-color: var(--primary);
}

.week-label {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.week-input {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.week-input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(15, 23, 42, 0.8);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.delete-week-btn {
  padding: 8px 16px;
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.delete-week-btn:hover {
  background: rgba(239, 68, 68, 0.3);
  transform: scale(1.05);
}

.delete-subject-btn {
  padding: 10px 20px;
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
  margin-top: 16px;
}

.delete-subject-btn:hover {
  background: rgba(239, 68, 68, 0.3);
  transform: translateY(-2px);
}

/* ===============================
   BUTTON ANIMATIONS
================================ */

button {
  transition:
    transform 0.2s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

button:not(.nav-btn):not(.solve-btn):not(#addTaskBtn) {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-on-primary);
  border: none;
  border-radius: 10px;
  padding: 12px 20px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

button:not(.nav-btn):not(.solve-btn):not(#addTaskBtn):hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

button:not(.nav-btn):not(.solve-btn):not(#addTaskBtn):active {
  transform: translateY(0) scale(0.98);
}

/* ===============================
   HOME SECTION
================================ */

.home-title {
  font-size: 3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  animation: titleSlide 0.8s ease-out;
}

.home-subtitle {
  color: var(--text-secondary);
  margin-bottom: 48px;
  font-size: 1.2rem;
  animation: fadeIn 0.8s ease-out 0.2s both;
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.home-card {
  background: var(--glass);
  backdrop-filter: none;
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
  position: relative;
  overflow: hidden;
}

.home-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.home-card:hover::before {
  transform: scaleX(1);
}

.home-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: 0 16px 40px rgba(59, 130, 246, 0.3);
}

.home-card-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
  filter: grayscale(0.3);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.home-card:hover .home-card-icon {
  filter: grayscale(0);
  transform: scale(1.1) rotate(5deg);
}

.home-card h3 {
  color: var(--text-primary);
  font-size: 1.5rem;
  margin-bottom: 12px;
  font-weight: 600;
}

.home-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===============================
   USAGE GUIDE SECTION
================================ */

.usage-guide {
  margin-top: 80px;
  padding-top: 60px;
  border-top: 1px solid var(--border);
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

.usage-guide-title {
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  text-align: center;
}

.usage-guide-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 48px;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  margin-bottom: 40px;
}

.guide-item {
  background: var(--glass);
  backdrop-filter: none;
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 28px;
  transition: transform 0.2s ease, opacity 0.2s ease;
  position: relative;
  overflow: hidden;
}

.guide-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.guide-item:hover::before {
  transform: scaleX(1);
}

.guide-item:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.2);
}

.guide-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  filter: grayscale(0.2);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.guide-item:hover .guide-icon {
  filter: grayscale(0);
  transform: scale(1.1);
}

.guide-item h3 {
  color: var(--text-primary);
  font-size: 1.3rem;
  margin-bottom: 12px;
  font-weight: 600;
}

.guide-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.guide-tip {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 18px;
  padding: 32px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  margin-top: 40px;
}

.tip-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 8px rgba(59, 130, 246, 0.3));
}

.tip-content h4 {
  color: var(--primary);
  font-size: 1.2rem;
  margin-bottom: 8px;
  font-weight: 600;
}

.tip-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0;
}

/* ===============================
   STUDY MODE
================================ */

.study-title {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
  animation: titleSlide 0.8s ease-out;
}

.study-subtitle {
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-size: 1.05rem;
  animation: fadeIn 0.8s ease-out 0.2s both;
}

.study-container {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 1000px;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* Flip Clock */
.clock-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px;
  background: var(--glass);
  backdrop-filter: none;
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.flip-clock {
  display: flex;
  align-items: center;
  gap: 8px;
}

.flip-card {
  perspective: 1000px;
  width: 100px;
  height: 100px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border: 2px solid var(--primary);
  border-radius: 16px;
  color: var(--text-primary);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
}

.flip-card-back {
  transform: rotateY(180deg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

.clock-separator {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0 4px;
  animation: blink 1s infinite;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

/* Pomodoro Timer - Refined & Premium */
.pomodoro-container {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  /* Soft outer edge */
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  /* Sharp top-light */
  border-radius: 32px;
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.4),
    inset 0 0 40px rgba(255, 255, 255, 0.02);
}

.pomodoro-display {
  margin-bottom: 40px;
  position: relative;
}

.pomodoro-time {
  font-family: 'Outfit', sans-serif;
  font-size: 6rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 8px;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.pomodoro-status {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: 24px;
  opacity: 0.8;
}

/* Subtle Progress Bar */
.pomodoro-progress-container {
  width: 120px;
  height: 4px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 100px;
  margin: 16px auto 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.pomodoro-progress-bar {
  width: 0%;
  height: 100%;
  background: var(--primary);
  border-radius: 100px;
  box-shadow: 0 0 10px var(--primary);
  transition: width 1s linear;
}

/* Tactile Minimalist Controls */
.pomodoro-controls {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 40px;
}

.pomodoro-btn {
  padding: 16px 36px;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: 16px;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.pomodoro-btn#pomodoroStart {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-on-primary);
  box-shadow:
    0 10px 20px rgba(239, 68, 68, 0.25),
    inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

.pomodoro-btn#pomodoroPause,
.pomodoro-btn#pomodoroReset {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.pomodoro-btn:hover {
  transform: translateY(-4px);
  filter: brightness(1.2);
}

.pomodoro-btn#pomodoroStart:hover {
  box-shadow:
    0 15px 30px rgba(239, 68, 68, 0.35),
    0 0 20px rgba(239, 68, 68, 0.2);
}

.pomodoro-btn:active {
  transform: translateY(0);
}

/* Presets - Capsule Design */
.pomodoro-presets {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
}

.preset-btn {
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.preset-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary);
  color: var(--text-primary);
}

.preset-btn.active {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.15);
}

/* Meditate Button (Small & Subtle) */
.meditate-btn-small {
  font-size: 0.8rem;
  padding: 6px 12px;
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.2);
  margin-left: 8px;
}

.meditate-btn-small:hover {
  background: rgba(16, 185, 129, 0.2);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
  transform: translateY(-1px);
}

.meditate-btn-small.active {
  background: #10b981;
  color: white;
  border-color: #10b981;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

/* Session Count Refinement */
.pomodoro-sessions {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.session-count {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

/* Music Section */
.music-container {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 24px;
  width: 100%;
  animation: fadeInUp 0.8s ease-out 0.4s both;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.music-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  border-color: var(--primary);
}

#sessionCount {
  color: var(--primary);
  font-weight: 800;
  margin-left: 6px;
}

/* ===============================
   LAB MANUAL
================================ */

.labmanual-title {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
  animation: titleSlide 0.8s ease-out;
}

.labmanual-subtitle {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.05rem;
  animation: fadeIn 0.8s ease-out 0.2s both;
}

.labmanual-progress-wrapper {
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.03);
  padding: 16px 24px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.labmanual-progress-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.labmanual-progress-bar-container {
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 100px;
  overflow: hidden;
}

.labmanual-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  width: 0%;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.labmanual-box {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 32px;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.labmanual-view-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.view-btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.view-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.view-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.labmanual-form {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr auto;
  gap: 12px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.labmanual-form input,
.labmanual-form select {
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.labmanual-form input:focus,
.labmanual-form select:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(15, 23, 42, 0.8);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.labmanual-form button {
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.labmanual-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.labmanual-list {
  display: none;
  gap: 12px;
}

.labmanual-list.active-view {
  display: grid;
}

.labmanual-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 2fr 130px 110px 40px auto;
  gap: 16px;
  align-items: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: slideInRight 0.4s ease-out both;
}

.labmanual-item:hover {
  background: rgba(15, 23, 42, 0.6);
  border-color: var(--primary);
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.labmanual-item-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1.05rem;
}

.labmanual-item-date {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.labmanual-item-status {
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s ease;
}

.labmanual-item-status:hover {
  filter: brightness(1.2);
  transform: scale(1.05);
}

.labmanual-item-status.pending {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.labmanual-item-status.in-progress {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.labmanual-item-status.submitted {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.labmanual-item-status.evaluated {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.lab-link-btn {
  color: var(--text-secondary);
  font-size: 1.2rem;
  text-decoration: none;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lab-link-btn:hover {
  color: var(--primary);
  transform: rotate(15deg);
}

/* Calendar View Styles */
.labmanual-calendar {
  display: none;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 16px;
  padding: 24px;
}

.labmanual-calendar.active-view {
  display: block;
}

.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.calendar-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.calendar-header button {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
}

.calendar-header button:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-weight: 700;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.calendar-day:hover:not(.empty) {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.calendar-day.today {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 700;
}

.calendar-day.has-deadline::after {
  content: '';
  position: absolute;
  bottom: 6px;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary);
}

.calendar-day.empty {
  visibility: hidden;
}

/* Notes Toolbar Styles */
.notes-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 20px;
  border-radius: 16px 16px 0 0;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: none;
}

.notes-actions {
  display: flex;
  gap: 8px;
}

.notes-tool-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.notes-tool-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.notes-tool-btn.danger:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.3);
}

.notes-stats {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.notes-container {
  display: flex;
  flex-direction: column;
}

.notes-area {
  border-radius: 0 0 16px 16px !important;
  border-top: 1px solid rgba(255, 255, 255, 0.05) !important;
}

.notes-status.saving {
  animation: pulseOpacity 1s infinite ease-in-out;
  color: var(--primary);
}

@keyframes pulseOpacity {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.labmanual-item-status.submitted {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.labmanual-item-actions {
  display: flex;
  gap: 8px;
}

.labmanual-item-actions button {
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: transform 0.2s ease, opacity 0.2s ease, color 0.2s ease;
}

.labmanual-item-actions .edit-btn {
  background: rgba(59, 130, 246, 0.2);
  color: var(--primary);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.labmanual-item-actions .edit-btn:hover {
  background: rgba(59, 130, 246, 0.3);
}

.labmanual-item-actions .delete-btn {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.labmanual-item-actions .delete-btn:hover {
  background: rgba(239, 68, 68, 0.3);
}

.link-btn {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 14px 18px;
  margin-bottom: 8px;
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  border-radius: 12px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

/* ===============================
   AUTH & USER PROFILE
================================ */

.auth-container {
  display: flex;
  align-items: center;
  gap: 16px;
}

.auth-btn {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
  font-size: 0.9rem;
}

.auth-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar-small {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  object-fit: cover;
}

.sign-out-btn {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.sign-out-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  transform: translateY(-1px);
}

/* ===============================
   LAB MANUAL
================================ */

.labmanual-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  min-height: 500px;
}

.labmanual-form {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.labmanual-form input,
.labmanual-form select {
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border);
  color: var(--text-primary);
  flex: 1;
}

.labmanual-form button {
  padding: 12px 24px;
  border-radius: 12px;
  background: var(--primary);
  color: white;
  border: none;
  font-weight: 600;
  cursor: pointer;
}

.labmanual-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.labmanual-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid var(--border);
  border-radius: 12px;
  animation: slideInRight 0.4s ease-out backwards;
}

.labmanual-item-status.pending {
  color: var(--warning);
  background: rgba(245, 158, 11, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.labmanual-item-status.submitted {
  color: var(--success);
  background: rgba(16, 185, 129, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.labmanual-item-actions button {
  margin-left: 8px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
}

.labmanual-item-actions button.delete-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.2);
}



.exam-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.exam-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1.1rem;
}

.delete-exam-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.delete-exam-btn:hover {
  opacity: 1;
}

.days-left {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}

.days-label {
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.8rem;
}

.exam-date {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===============================
   STUDYVERSE 3D (Refined)
================================ */
#studyverse {
  height: auto;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  overflow-y: auto !important;
}

#canvas-container.canvas-wrapper {
  width: 100%;
  height: 80vh;
  /* Explicit large height */
  min-height: 600px !important;
  /* Force minimum */
  flex-grow: 1;
  position: relative;
  background: #0f172a;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 10px;
}

#loading-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #0f172a;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10;
  transition: opacity 0.5s ease;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-top-color: #6366f1;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.controls-hint {
  text-align: center;
  font-size: 0.8rem;
  color: #94a3b8;
  margin-top: 8px;
  opacity: 0.7;
}

/* ===============================
   LAB DASHBOARD WIDGET (Redesign)
   ================================ */

.lab-dashboard-card {
  display: flex;
  flex-direction: column;
}

.card-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.icon-btn-small {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.icon-btn-small:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.lab-dash-content {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 1;
}

/* Circular Progress */
.lab-circle-wrapper {
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.lab-circle {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: conic-gradient(var(--primary) 0%, rgba(255, 255, 255, 0.05) 0);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  transition: all 0.5s ease-out;
}

.lab-circle::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  z-index: 0;
  opacity: 0.5;
}

.lab-inner {
  width: 90px;
  height: 90px;
  background: var(--bg-secondary);
  /* Match card bg */
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.2);
}

#dashLabPercent {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, white 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.lab-inner small {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Up Next List */
.lab-next-up {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* Prevent spill */
}

.lab-next-up h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-weight: 700;
}

.dash-pending-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  padding: 10px 14px;
  border-radius: 10px;
  margin-bottom: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-left: 3px solid var(--accent);
  transition: transform 0.2s ease, background 0.2s ease;
}

.dash-pending-item:hover {
  background: rgba(255, 255, 255, 0.06);
  transform: translateX(4px);
  border-left-color: var(--primary);
}

.dash-pending-item span:first-child {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}

.deadline-tag {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.2);
  padding: 2px 8px;
  border-radius: 4px;
}

/* ===============================
   FLOATING POMODORO
   ================================ */

.floating-pomodoro {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: rgba(15, 23, 42, 0.95);
  /* Solid dark fallback */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  border-radius: 12px;
  width: 200px;
  z-index: 2147483647;
  /* Max z-index */
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.1s linear, opacity 0.3s ease;
  /* Faster drag response */
  animation: slideUp 0.4s ease-out;
}

.floating-pomodoro.hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transform: translateY(20px) scale(0.9);
}

.drag-handle {
  background: rgba(255, 255, 255, 0.05);
  padding: 8px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: grab;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.drag-handle:active {
  cursor: grabbing;
}

.drag-handle span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

#floatCloseBtn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}

#floatCloseBtn:hover {
  color: var(--danger);
}

.float-content {
  padding: 16px;
  text-align: center;
}

#floatTimerDisplay {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  margin-bottom: 12px;
  text-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
}

.float-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.float-controls button {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.float-controls button:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ===============================
   ANIMATION ENHANCEMENTS
================================ */

/* Magnetic effect base */
.magnetic {
  position: relative;
  transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

/* 3D transform support for cards */
.dashboard-card,
.home-card,
.result-card,
.input-card {
  transform-style: preserve-3d;
  will-change: transform;
  backface-visibility: hidden;
}

/* Tilt glare effect styling */
.js-tilt-glare {
  border-radius: 16px;
}

/* Smooth transitions for all animated elements */
.nav-btn,
.solve-btn,
.dashboard-card,
.home-card,
.result-card,
.input-card,
.link-item {
  transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1),
    box-shadow 0.3s cubic-bezier(0.23, 1, 0.32, 1),
    opacity 0.3s ease;
}

/* GPU acceleration for performance */
.section,
.dashboard-card,
.home-card,
.nav-btn,
.solve-btn {
  transform: translateZ(0);
  will-change: transform, opacity;
}

/* Smooth opacity transitions */
.section {
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
    filter 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced hover states */
.nav-btn:hover,
.solve-btn:hover,
.dashboard-card:hover,
.home-card:hover {
  transform: translateY(-4px) translateZ(0);
}

/* Floating animation base */
@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-8px);
  }
}

/* Gradient animation for backgrounds */
@keyframes gradient-shift {

  0%,
  100% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }
}

.animated-gradient {
  background-size: 200% 200%;
  animation: gradient-shift 15s ease infinite;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .magnetic {
    transform: none !important;
  }
}

/* Performance optimizations */
.dashboard-card,
.home-card,
.result-card,
.nav-btn,
.solve-btn {
  contain: layout style paint;
}

/* Smooth scroll container */
html.lenis {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

.lenis.lenis-scrolling iframe {
  pointer-events: none;
}

/* TOAST NOTIFICATIONS */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9999;
}

.toast {
  background: rgba(15, 23, 42, 0.95);
  color: white;
  padding: 12px 20px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  backdrop-filter: blur(10px);
  transform-origin: right bottom;
}

.toast-success {
  border-left: 4px solid #22c55e;
}

.toast-error {
  border-left: 4px solid #ef4444;
}

.toast-info {
  border-left: 4px solid #3b82f6;
}

@keyframes slideInToast {
  from {
    opacity: 0;
    transform: translateX(50px) scale(0.9);
  }

  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes fadeOutToast {
  to {
    opacity: 0;
    transform: translateX(20px);
  }
}

/* KEYBOARD NAVIGATION FOCUS STYLES */
.nav-btn:focus-visible,
.link-item:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.pomodoro-btn:focus-visible,
.preset-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.5);
  transition: all 0.2s ease;
}

/* Remove default ugly outline if not using keyboard */
.nav-btn:focus:not(:focus-visible) {
  outline: none;
}