/* ==========================================================================
   JELET 2026 Prediction Portal Stylesheet
   Design System: Dark Glassmorphism, Harmonized Gradients, Micro-animations
   ========================================================================== */

/* --- Theme Tokens --- */
:root {
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Color Palette */
  --bg-main: #000000;
  --bg-sidebar: #09090b;
  --bg-card: #09090b;
  --bg-card-hover: #161618;
  --border-color: #1f1f1f;
  --border-focus: #ffffff;
  
  /* Brand Colors */
  --primary: #ffffff;
  --primary-glow: transparent;
  --secondary: #a1a1aa;
  --gradient-accent: #ffffff;
  --gradient-card: #09090b;
  
  /* Status Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text-muted: #71717a;
  --text-main: #a1a1aa;
  --text-heading: #ffffff;
  
  /* Subject Specific (Solid, muted versions) */
  --color-math: #3b82f6;
  --color-phys: #8b5cf6;
  --color-chem: #06b6d4;
  --color-eee: #f59e0b;

  /* Layout */
  --sidebar-width: 250px;
  --header-height: 70px;
  --radius-lg: 8px;
  --radius-md: 6px;
  --radius-sm: 4px;
  --shadow-main: none;
  --transition: all 0.15s ease-in-out;
}

/* --- Base Resets & Document Layout --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  height: 100vh;
  position: relative;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Background Decor Elements */
.glass-bg-decor {
  display: none;
}
.glass-bg-decor.one {
  display: none;
}
.glass-bg-decor.two {
  display: none;
}

/* Main Container Grid */
.app-container {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* --- Sidebar Styling --- */
.sidebar {
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px;
  z-index: 10;
}

.sidebar-header {
  margin-bottom: 40px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-heading);
}
.logo i {
  color: var(--text-heading);
  font-size: 24px;
}
.logo-sub {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.nav-item {
  background: none;
  border: none;
  border-left: 2px solid transparent;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 18px 12px 16px;
  width: 100%;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
}

.nav-item i {
  font-size: 16px;
  transition: var(--transition);
}

.nav-item:hover {
  background-color: #161618;
  color: var(--text-main);
}

.nav-item.active {
  background: #161618;
  border-left: 2px solid #ffffff;
  color: #ffffff;
  box-shadow: none;
  font-weight: 600;
}
.nav-item.active i {
  color: #ffffff;
  transform: scale(1.05);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.profile-card {
  display: flex;
  align-items: center;
  gap: 12px;
}
.profile-card .avatar {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  border: 1px solid var(--border-color);
}
.profile-card .info .name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-heading);
}
.profile-card .info .role {
  font-size: 11px;
  color: var(--text-muted);
}

/* --- Main Layout Workspaces --- */
.main-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.main-header {
  height: var(--header-height);
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-main);
  z-index: 5;
}
.header-title h1 {
  font-size: 22px;
  font-weight: 700;
}
.header-title p {
  font-size: 13px;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.content-body {
  padding: 40px;
  flex-grow: 1;
  overflow-y: auto;
  height: calc(100vh - var(--header-height));
  scroll-behavior: smooth;
}

/* Scrollbar customization */
.content-body::-webkit-scrollbar,
.blueprint-list::-webkit-scrollbar,
.q-grid-container::-webkit-scrollbar {
  width: 6px;
}
.content-body::-webkit-scrollbar-track,
.blueprint-list::-webkit-scrollbar-track,
.q-grid-container::-webkit-scrollbar-track {
  background: transparent;
}
.content-body::-webkit-scrollbar-thumb,
.blueprint-list::-webkit-scrollbar-thumb,
.q-grid-container::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
}
.content-body::-webkit-scrollbar-thumb:hover,
.blueprint-list::-webkit-scrollbar-thumb:hover,
.q-grid-container::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* --- Tab Navigation Logic --- */
.tab-pane {
  display: none;
  animation: fadeIn 0.4s ease;
}
.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Common UI Components --- */
.btn {
  background: none;
  border: none;
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-primary {
  background: #ffffff;
  color: #000000;
  border: 1px solid #ffffff;
}
.btn-primary:hover {
  background: #ededed;
  border-color: #ededed;
}

.btn-secondary {
  background-color: #09090b;
  color: #ffffff;
  border: 1px solid #1f1f1f;
}
.btn-secondary:hover {
  background-color: #161618;
  border-color: #27272a;
}

.btn-light {
  background-color: #ffffff;
  color: #000000;
  border: 1px solid #ffffff;
}
.btn-light:hover {
  background-color: #ededed;
  border-color: #ededed;
}

.btn-warning {
  background-color: #24160a;
  color: #f59e0b;
  border: 1px solid #452a0f;
}
.btn-warning:hover {
  background-color: #38220f;
  border-color: #5c3814;
}

.btn-danger {
  background-color: #2c0d11;
  color: #ef4444;
  border: 1px solid #4c1116;
}
.btn-danger:hover {
  background-color: #441016;
  border-color: #69161e;
}

.btn-block {
  width: 100%;
}
.btn-large {
  padding: 14px 28px;
  font-size: 15px;
}

.hide {
  display: none !important;
}

/* Solid Card Style */
.card-glass {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: none;
  position: relative;
  overflow: hidden;
}

/* --- Dashboard Dashboard Elements --- */
.welcome-banner {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}
.banner-text {
  max-width: 60%;
  position: relative;
  z-index: 2;
}
.banner-text h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-heading);
}
.banner-text p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 15px;
}

.banner-img {
  font-size: 80px;
  color: var(--text-heading);
  margin-right: 30px;
}
@keyframes float {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(5deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: none;
  transition: var(--transition);
  position: relative;
}
.stat-card:hover {
  transform: translateY(-2px);
  border-color: #333333;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 4px; height: 100%;
}
.stat-card.math::before { background-color: var(--color-math); }
.stat-card.physics::before { background-color: var(--color-phys); }
.stat-card.chemistry::before { background-color: var(--color-chem); }
.stat-card.eee::before { background-color: var(--color-eee); }

.stat-card .icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.stat-card.math .icon-wrapper { background-color: #17253d; color: var(--color-math); border: 1px solid #1e3a63; }
.stat-card.physics .icon-wrapper { background-color: #231c38; color: var(--color-phys); border: 1px solid #312552; }
.stat-card.chemistry .icon-wrapper { background-color: #13272b; color: var(--color-chem); border: 1px solid #1b3d42; }
.stat-card.eee .icon-wrapper { background-color: #2b1f13; color: var(--color-eee); border: 1px solid #47321c; }

.stat-info h3 {
  font-size: 15px;
  color: var(--text-muted);
  font-weight: 500;
}
.stat-info .stat-val {
  font-size: 24px;
  font-weight: 700;
  margin: 4px 0;
  color: var(--text-heading);
}
.stat-info .stat-desc {
  font-size: 12px;
  color: var(--text-muted);
}
.stat-progress {
  height: 4px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
  overflow: hidden;
}
.stat-progress .bar {
  height: 100%;
  border-radius: 2px;
}
.stat-card.math .bar { background-color: var(--color-math); }
.stat-card.physics .bar { background-color: var(--color-phys); }
.stat-card.chemistry .bar { background-color: var(--color-chem); }
.stat-card.eee .bar { background-color: var(--color-eee); }

.dashboard-details-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}

.details-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: none;
}
.details-card h3 {
  font-size: 18px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 14px;
}
.details-card h3 i {
  color: var(--primary);
}

.patterns-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.pattern-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.pattern-item .num {
  width: 28px;
  height: 28px;
  background-color: var(--text-main);
  color: var(--bg-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  border: none;
}
.pattern-item .text {
  font-size: 14px;
  color: var(--text-muted);
}
.pattern-item .text strong {
  color: var(--text-heading);
  display: block;
  margin-bottom: 2px;
}

/* Rules Table & Formulations */
.rules-table-wrapper {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: 20px;
}
.table-scroll-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  width: 100%;
}
.rules-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}
.rules-table th {
  background-color: #161618;
  padding: 10px 14px;
  color: var(--text-heading);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}
.rules-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
}
.rules-table tr:last-child td {
  border-bottom: none;
}

.partial-marks-box {
  background-color: #0c0c0e;
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  font-size: 13px;
}
.partial-marks-box p {
  color: var(--text-muted);
  margin-bottom: 12px;
}
.partial-marks-box .formula {
  background-color: #000000;
  border: 1px solid var(--border-color);
  padding: 10px;
  border-radius: var(--radius-sm);
  text-align: center;
  font-family: 'Outfit', sans-serif;
  color: var(--primary);
  font-size: 14px;
}

/* --- Blueprint Explorer Tab --- */
.blueprint-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 30px;
}

.filter-group {
  display: flex;
  background-color: #0c0c0e;
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 4px;
}

.filter-btn {
  background: none;
  border: none;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn:hover {
  color: var(--text-main);
}
.filter-btn.active {
  background-color: #ffffff;
  color: #000000;
  font-weight: 600;
}

.search-box {
  display: flex;
  align-items: center;
  background-color: #09090b;
  border: 1px solid var(--border-color);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  width: 320px;
  gap: 12px;
  transition: var(--transition);
}
.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: none;
}
.search-box i {
  color: var(--text-muted);
}
.search-box input {
  background: none;
  border: none;
  color: var(--text-main);
  outline: none;
  width: 100%;
  font-family: var(--font-body);
  font-size: 14px;
}

/* Blueprint Data Grid Table */
.blueprint-grid-header {
  display: grid;
  grid-template-columns: 80px 140px 140px 1fr 120px 100px;
  padding: 16px 24px;
  background-color: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 13px;
  border: 1px solid var(--border-color);
  margin-bottom: 12px;
}

.blueprint-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 600px;
  overflow-y: auto;
}

.blueprint-row {
  display: grid;
  grid-template-columns: 80px 140px 140px 1fr 120px 100px;
  align-items: center;
  padding: 16px 24px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  transition: var(--transition);
  animation: fadeIn 0.3s ease;
}
.blueprint-row:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateX(4px);
}

.blueprint-row .col-q {
  font-weight: 700;
  color: var(--text-heading);
}

.blueprint-row .badge {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-math { background-color: #17253d; color: #60a5fa; border: 1px solid #1e3a63; }
.badge-phys { background-color: #231c38; color: #a78bfa; border: 1px solid #312552; }
.badge-chem { background-color: #13272b; color: #22d3ee; border: 1px solid #1b3d42; }
.badge-eee { background-color: #2b1f13; color: #fbbf24; border: 1px solid #47321c; }

.badge-cat1 { background-color: #161618; color: var(--text-main); border: 1px solid var(--border-color); }
.badge-cat2 { background-color: #2b1c3c; color: #c084fc; border: 1px solid #4c2d6b; }

.col-topic {
  color: var(--text-heading);
  font-weight: 500;
}

/* Confidence indicators */
.conf-high { color: var(--success); font-weight: 600; }
.conf-med { color: var(--warning); font-weight: 600; }
.conf-low { color: var(--text-muted); font-weight: 600; }

.blueprint-row .btn-expand {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}
.blueprint-row .btn-expand:hover {
  text-decoration: underline;
}

/* Expanded details block */
.blueprint-expanded-details {
  grid-column: 1 / -1;
  background-color: rgba(255, 255, 255, 0.01);
  border-top: 1px dashed var(--border-color);
  margin-top: 14px;
  padding-top: 14px;
  font-size: 13px;
  animation: slideDown 0.3s ease;
}
@keyframes slideDown {
  from { opacity: 0; max-height: 0; overflow: hidden; }
  to { opacity: 1; max-height: 200px; }
}
.expanded-row {
  display: flex;
  margin-bottom: 8px;
}
.expanded-row .lbl {
  width: 150px;
  color: var(--text-muted);
  font-weight: 600;
  flex-shrink: 0;
}
.expanded-row .val {
  color: var(--text-main);
}

/* --- Exam simulator Tab --- */
.exam-start-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 450px;
}
.exam-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-main);
  border-radius: var(--radius-lg);
  padding: 50px;
  max-width: 650px;
  text-align: center;
}
.exam-card h2 {
  font-size: 28px;
  margin-bottom: 12px;
}
.exam-card .desc {
  color: var(--text-muted);
  margin-bottom: 30px;
  font-size: 14px;
}
.exam-details-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 30px;
  align-items: flex-start;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}
.detail-item {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 15px;
}
.detail-item i {
  color: var(--primary);
  width: 24px;
  font-size: 18px;
}
.warning-box {
  background-color: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  gap: 16px;
  text-align: left;
  margin-bottom: 30px;
  font-size: 13px;
  line-height: 1.5;
}
.warning-box i {
  color: var(--warning);
  font-size: 22px;
  margin-top: 2px;
}

/* Timer header status */
.exam-status-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.25);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
}
.timer-label {
  font-size: 13px;
  color: var(--text-muted);
}
.timer-val {
  font-size: 16px;
  font-weight: 700;
  color: var(--danger);
}

/* Active exam screen layout */
.exam-active-container {
  height: 100%;
}
.exam-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 30px;
  height: 100%;
}

.question-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.question-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-main);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.question-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
  margin-bottom: 24px;
}
.q-number {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-heading);
}
.q-badges {
  display: flex;
  gap: 8px;
}
.q-badges .badge {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge-subj { background-color: var(--text-main); color: var(--bg-main); border: 1px solid var(--text-main); }
.badge-cat { background-color: transparent; color: var(--text-muted); border: 1px solid var(--border-color); }
.badge-info { background-color: transparent; color: var(--success); border: 1px solid var(--success); }

.question-text {
  font-size: 16px;
  color: var(--text-heading);
  margin-bottom: 30px;
  line-height: 1.7;
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
}

.option-item {
  display: flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.25, 0.8, 0.25, 1), 
              border-color 0.25s ease, 
              background-color 0.25s ease, 
              box-shadow 0.25s ease;
  gap: 16px;
}
.option-item:hover {
  transform: translateX(4px);
  background-color: #111111;
  border-color: var(--text-muted);
}
.option-item.selected {
  background: var(--text-main);
  border-color: var(--text-main);
  box-shadow: none;
}
.option-item.selected .option-text {
  color: var(--bg-main);
  font-weight: 500;
}

.option-marker {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: var(--transition);
}
.option-item.selected .option-marker {
  border-color: var(--bg-main);
  background-color: var(--bg-main);
  color: var(--text-main);
}

.option-text {
  font-size: 15px;
  color: var(--text-main);
}

.question-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.question-controls .control-left,
.question-controls .control-right {
  display: flex;
  gap: 12px;
}

/* Palette Side Column styling */
.palette-column {
  height: 100%;
}
.palette-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-main);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.palette-card h3 {
  font-size: 16px;
  margin-bottom: 16px;
}

.palette-filters {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  background-color: rgba(0,0,0,0.2);
  padding: 3px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}
.p-filter {
  background: none;
  border: none;
  padding: 6px 0;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.p-filter.active {
  background-color: var(--bg-sidebar);
  color: var(--primary);
}

.q-grid-container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  overflow-y: auto;
  max-height: 280px;
  padding-right: 4px;
  margin-bottom: 20px;
}

/* Grid button states */
.q-btn {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-heading);
  height: 38px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  transition: transform 0.2s cubic-bezier(0.25, 0.8, 0.25, 1), 
              background-color 0.2s ease, 
              border-color 0.2s ease, 
              box-shadow 0.2s ease;
}
.q-btn:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background-color: rgba(255, 255, 255, 0.04);
  transform: translateY(-1px);
}

/* Palette State Classes */
.q-btn.active {
  box-shadow: 0 0 0 2px var(--primary), 0 0 10px var(--primary-glow);
  border-color: var(--primary);
  transform: scale(1.05);
}
.q-btn.unvisited {
  background-color: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
}
.q-btn.unanswered {
  background-color: rgba(244, 63, 94, 0.15);
  color: var(--danger);
  border-color: rgba(244, 63, 94, 0.3);
}
.q-btn.answered {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border-color: rgba(16, 185, 129, 0.3);
}
.q-btn.review {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  border-color: rgba(245, 158, 11, 0.3);
}
.q-btn.answered-review {
  background-color: rgba(139, 92, 246, 0.15);
  color: var(--secondary);
  border-color: rgba(139, 92, 246, 0.3);
}

.palette-legend {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  margin-bottom: auto;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.legend-item .box {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  display: inline-block;
}
.legend-item .box.unvisited { background-color: rgba(255,255,255,0.02); border: 1px solid var(--border-color); }
.legend-item .box.unanswered { background-color: rgba(244, 63, 94, 0.15); border: 1px solid rgba(244, 63, 94, 0.3); }
.legend-item .box.answered { background-color: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.3); }
.legend-item .box.review { background-color: rgba(245, 158, 11, 0.15); border: 1px solid rgba(245, 158, 11, 0.3); }
.legend-item .box.answered-review { background-color: rgba(139, 92, 246, 0.15); border: 1px solid rgba(139, 92, 246, 0.3); }

.submit-box {
  margin-top: 20px;
}

/* Exam Scorecard view styling */
.exam-result-container {
  max-width: 900px;
  margin: 0 auto;
  animation: fadeIn 0.5s ease;
}
.result-header {
  text-align: center;
  margin-bottom: 30px;
}
.result-header h2 {
  font-size: 26px;
}
.result-header p {
  color: var(--text-muted);
  font-size: 13px;
}

.result-summary-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 30px;
  margin-bottom: 40px;
}

.result-score-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow-main);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.result-score-card .title {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 8px;
}
.result-score-card h3 {
  font-size: 42px;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}

.status-badge {
  display: inline-flex;
  padding: 6px 20px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.05em;
}
.status-badge.pass { background-color: rgba(16, 185, 129, 0.15); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.3); }
.status-badge.fail { background-color: rgba(244, 63, 94, 0.15); color: var(--danger); border: 1px solid rgba(244, 63, 94, 0.3); }

.result-metric-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-main);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}
.metric-row {
  display: flex;
  justify-content: space-between;
  font-size: 15px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}
.metric-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.metric-row strong {
  color: var(--text-heading);
}
.metric-row .text-success { color: var(--success); }
.metric-row .text-danger { color: var(--danger); }

.subject-breakdown-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-main);
  margin-bottom: 40px;
}
.subject-breakdown-card h3 {
  font-size: 18px;
  margin-bottom: 20px;
}

.breakdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.breakdown-item {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}
.breakdown-item h4 {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.breakdown-item .score {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-heading);
}
.breakdown-item .pct {
  font-size: 11px;
  color: var(--text-muted);
}

.result-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* --- Solutions tab styling --- */
.solutions-header-panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px 30px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-main);
}
.solutions-filters {
  display: flex;
  align-items: center;
  gap: 20px;
}
.form-select {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  color: var(--text-main);
  outline: none;
  font-family: var(--font-body);
  font-size: 14px;
  cursor: pointer;
  width: 200px;
}
.form-select option {
  background-color: var(--bg-sidebar);
  color: var(--text-main);
}

.solutions-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.solution-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-main);
  animation: fadeIn 0.4s ease;
}

.solution-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 14px;
  margin-bottom: 16px;
}
.solution-meta .q-id {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
}
.solution-meta .badge-list {
  display: flex;
  gap: 8px;
}

.solution-q-text {
  font-size: 15px;
  color: var(--text-heading);
  margin-bottom: 20px;
  line-height: 1.6;
}

.solution-choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 24px;
}
.choice-item {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.choice-item.correct {
  background-color: rgba(16, 185, 129, 0.1);
  border-color: var(--success);
  color: var(--success);
  font-weight: 600;
}
.choice-item.correct i {
  color: var(--success);
}
.choice-item.incorrect-marked {
  background-color: rgba(244, 63, 94, 0.1);
  border-color: var(--danger);
  color: var(--danger);
}

.solution-box {
  background-color: rgba(255, 255, 255, 0.015);
  border-left: 3px solid var(--primary);
  padding: 18px 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-top: 16px;
  font-size: 14px;
}
.solution-box h4 {
  font-size: 14px;
  color: var(--primary);
  margin-bottom: 8px;
}
.solution-box p {
  color: var(--text-main);
  line-height: 1.6;
}

.rationale-box {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.rationale-box strong {
  color: var(--text-heading);
}

/* Base Mobile Elements (Hidden on Desktop) */
.mobile-bottom-nav {
  display: none;
}
.palette-header-mobile {
  display: none;
}
.mobile-exam-action-bar {
  display: none;
}

/* Blueprint Summary Box */
.blueprint-summary-box {
  background: #0a0a0a;
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: var(--radius-md);
  font-size: 14.5px;
  margin-bottom: 40px;
  line-height: 1.6;
  border-left: 4px solid var(--warning);
}
.blueprint-summary-box p:last-child {
  margin-bottom: 0;
}

/* Predicted Sample Questions */
.sample-q-card {
  background: #0a0a0a;
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: var(--radius-md);
  transition: transform 0.2s ease, border-color 0.2s ease;
  margin-bottom: 20px;
}
.sample-q-card:hover {
  transform: translateY(-2px);
  border-color: #444;
}
.sample-q-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
  font-size: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}
.sample-q-body {
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.6;
}

/* Report Section Overhaul */
.report-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.report-header i {
  color: var(--bg-main);
  background: var(--text-main);
  padding: 12px;
  border-radius: var(--radius-md);
  font-size: 20px;
}
.report-header-text h3 {
  font-size: 20px;
  margin: 0 0 4px 0;
  color: var(--text-heading);
}
.report-header-text p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

.report-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 24px 0;
}
.report-table th {
  background: #111111;
  padding: 16px;
  font-weight: 600;
  color: var(--text-heading);
  text-align: left;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}
.report-table td {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 14px;
}
.report-table tr:last-child td {
  border-bottom: none;
}
.report-table td strong {
  color: var(--text-heading);
}

.subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}
.subject-card {
  background: #0a0a0a;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.subject-card:hover {
  transform: translateY(-2px);
  border-color: #444;
}
.subject-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 4px; height: 100%;
}
.subject-card.math::before { background: var(--color-math); }
.subject-card.phys::before { background: var(--color-phys); }
.subject-card.chem::before { background: var(--color-chem); }
.subject-card.eee::before { background: var(--color-eee); }

.subject-card h5 {
  font-size: 16px;
  color: var(--text-heading);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.subject-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.subject-card ul li {
  font-size: 13.5px;
  color: var(--text-muted);
  position: relative;
  padding-left: 20px;
  line-height: 1.5;
}
.subject-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 0;
  color: #555;
  font-family: monospace;
}
.subject-card ul li strong {
  color: var(--text-main);
}

/* --- Mobile / Tablet Responsiveness --- */
@media (max-width: 1024px) {
  .app-container {
    grid-template-columns: 1fr;
  }
  .sidebar {
    display: none; /* Collapsed on mobile, bottom nav loaded instead */
  }
  
  .welcome-banner {
    flex-direction: column-reverse;
    align-items: flex-start;
    padding: 24px;
    gap: 20px;
    margin-bottom: 24px;
  }
  .banner-text {
    max-width: 100%;
  }
  .banner-text h2 {
    font-size: 20px;
  }
  .banner-img {
    font-size: 48px;
    margin-right: 0;
    margin-bottom: 8px;
  }
  
  /* Solid Mobile Bottom Nav */
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 64px;
    background: var(--bg-sidebar);
    border-top: 1px solid var(--border-color);
    justify-content: space-around;
    align-items: center;
    z-index: 999;
    padding: 0 10px;
    box-shadow: none;
  }
  .mobile-nav-item {
    background: none;
    border: none;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    flex: 1;
    height: 100%;
    transition: var(--transition);
  }
  .mobile-nav-item i {
    font-size: 20px;
    transition: var(--transition);
  }
  .mobile-nav-item:hover {
    color: var(--text-main);
  }
  .mobile-nav-item.active {
    color: var(--text-main);
    font-weight: 600;
  }
  .mobile-nav-item.active i {
    transform: translateY(-2px);
    color: var(--text-main);
  }

  .main-header {
    padding: 0 20px;
  }
  
  /* Prevent bottom-nav overlap */
  .content-body {
    padding: 20px 20px 80px 20px;
    height: calc(100vh - var(--header-height) - 64px);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dashboard-details-grid {
    grid-template-columns: 1fr;
  }
  
  /* Exam Simulator Responsiveness & Slide-up Drawer */
  .exam-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .mobile-exam-action-bar {
    display: flex;
    margin-bottom: 16px;
    width: 100%;
  }
  .btn-mobile-palette {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-heading);
    cursor: pointer;
    transition: var(--transition);
  }
  .btn-mobile-palette:hover {
    background: var(--bg-main);
    border-color: var(--text-main);
  }

  .palette-column {
    position: fixed;
    bottom: -100%; /* Hidden off-screen */
    left: 0;
    width: 100%;
    height: 80vh;
    background: var(--bg-sidebar);
    z-index: 1000;
    transition: bottom 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    border-top: 1px solid var(--border-color);
    box-shadow: none;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
  }
  .palette-column.open {
    bottom: 0; /* Slide into view */
  }
  .palette-column .palette-card {
    height: 100%;
    border: none;
    border-radius: 0;
    background: transparent;
    padding: 24px;
  }
  .palette-header-mobile {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
  }
  .palette-header-mobile h3 {
    margin-bottom: 0;
  }
  .btn-close-palette {
    background: #161618;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
  }
  .btn-close-palette:hover {
    background: #27272a;
    color: var(--danger);
  }
  .palette-column .q-grid-container {
    max-height: calc(80vh - 220px);
  }

  .breakdown-grid {
    grid-template-columns: 1fr 1fr;
  }
  .solutions-filters {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .form-select, .search-box {
    width: 100%;
  }
  
  .blueprint-grid-header {
    display: none;
  }
  .blueprint-row {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 20px;
  }
  .blueprint-row .col-topic {
    grid-column: 1 / -1;
  }
  
  /* Responsive Overrides for SME Section Grids */
  .pattern-subject-grid {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }
  .sample-q-card [style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 600px) {
  .main-header {
    flex-direction: column;
    height: auto;
    padding: 12px 16px;
    align-items: stretch;
    gap: 10px;
  }
  .header-actions {
    display: flex;
    justify-content: space-between;
    width: 100%;
  }
  .content-body {
    height: calc(100vh - 110px - 64px);
    padding: 16px 16px 80px 16px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .breakdown-grid {
    grid-template-columns: 1fr;
  }
  .solution-choices {
    grid-template-columns: 1fr;
  }
  .result-summary-grid {
    grid-template-columns: 1fr;
  }
}