:root {
  /* Backgrounds — Shivoraa warm whites */
  --bg-base:      #FFFCF8;
  --bg-surface:   #FFF5E8;
  --bg-card:      #FFFFFF;
  --bg-card-hover:#FFF9F2;
  --bg-elevated:  #FFE8CC;

  /* Accent — Saffron Orange (Shivoraa primary) */
  --accent:       #E8721A;
  --accent-dim:   #C05E12;
  --accent-glow:  rgba(232,114,26,0.09);

  /* Accent 2 — India Flag Green */
  --accent2:      #1A7A35;
  --accent2-dim:  #156630;

  /* System colours */
  --danger:       #CC2200;
  --success:      #1A7A35;
  --warning:      #FF9933;

  /* Text */
  --text-primary:   #1A1208;
  --text-secondary: #6B5744;
  --text-muted:     #B8A090;

  /* Borders */
  --border:        rgba(139,80,30,0.18);
  --border-subtle: rgba(139,80,30,0.09);

  /* Fonts */
  --font-head: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(232,114,26,0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(26,122,53,0.03) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

/* ===== SIDEBAR ===== */
#sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 220px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.logo-icon {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}

.logo-text {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
}

.logo-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
}

.nav-section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 2px;
  padding: 12px 20px 6px;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  cursor: pointer;
  transition: all 0.2s;
  border-left: 3px solid transparent;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.2px;
  color: var(--text-secondary);
  position: relative;
}

.nav-item:hover {
  background: var(--accent-glow);
  color: var(--text-primary);
  border-left-color: rgba(0,229,255,0.3);
}

.nav-item.active {
  background: var(--accent-glow);
  color: var(--accent);
  border-left-color: var(--accent);
}

.nav-item.active::after {
  content: '';
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 60%;
  background: var(--accent);
  border-radius: 2px 0 0 2px;
  opacity: 0.4;
}

.nav-icon { font-size: 16px; width: 20px; text-align: center; }

.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: var(--bg-base);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 700;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-subtle);
}

.countdown-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}

.countdown-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.countdown-val {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 700;
  color: var(--accent2);
  letter-spacing: 2px;
}

.countdown-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ===== MAIN CONTENT ===== */
#main {
  margin-left: 220px;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ===== TOPBAR ===== */
.topbar {
  position: sticky;
  top: 0;
  background: rgba(255,252,248,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 50;
}

.topbar-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-dot {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--success);
}

.status-dot::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

/* ===== PAGE PANELS ===== */
.page { display: none; padding: 32px; animation: fadeIn 0.3s ease; }
.page.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== SECTION HEADERS ===== */
.section-header { margin-bottom: 28px; }

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.section-title {
  font-family: var(--font-head);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  line-height: 1.2;
}

.section-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* ===== GRID LAYOUTS ===== */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border);
  transform: translateY(-2px);
}

.card:hover::before { opacity: 1; }

.card-accent-gold::before { background: linear-gradient(90deg, transparent, var(--accent2), transparent); }
.card-accent-red::before { background: linear-gradient(90deg, transparent, var(--danger), transparent); }
.card-accent-green::before { background: linear-gradient(90deg, transparent, var(--success), transparent); }

/* ===== EXAM OVERVIEW CARDS ===== */
.exam-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 22px;
  transition: all 0.25s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.exam-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,229,255,0.08);
}

.exam-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

.exam-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.exam-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 700;
}

.tag-cyan { background: rgba(0,229,255,0.1); color: var(--accent); border: 1px solid rgba(0,229,255,0.2); }
.tag-gold { background: rgba(255,215,0,0.1); color: var(--accent2); border: 1px solid rgba(255,215,0,0.2); }
.tag-red { background: rgba(255,68,68,0.1); color: var(--danger); border: 1px solid rgba(255,68,68,0.2); }
.tag-green { background: rgba(0,204,102,0.1); color: var(--success); border: 1px solid rgba(0,204,102,0.2); }
.tag-orange { background: rgba(255,153,0,0.1); color: var(--warning); border: 1px solid rgba(255,153,0,0.2); }

.exam-name {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.2px;
  margin-bottom: 4px;
}

.exam-fullname {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.exam-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.stat-box {
  background: var(--bg-elevated);
  border-radius: 8px;
  padding: 8px;
  text-align: center;
}

.stat-val {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  font-weight: 700;
  display: block;
}

.stat-label {
  font-size: 10px;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.exam-sections {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.section-pill {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  background: var(--bg-elevated);
}

/* ===== STAT METRICS ===== */
.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.metric-val {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}

.metric-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
  font-family: var(--font-mono);
  letter-spacing: 1px;
}

/* ===== TABS ===== */
.tab-container { margin-bottom: 24px; }

.tab-bar {
  display: flex;
  gap: 2px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 4px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 8px 18px;
  background: transparent;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1px;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.tab-btn:hover { color: var(--text-primary); background: var(--bg-elevated); }
.tab-btn.active { background: var(--accent); color: var(--bg-base); }

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.2s; }

/* ===== SYLLABUS ===== */
.subject-block {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
}

.subject-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  transition: background 0.2s;
}

.subject-header:hover { background: var(--bg-elevated); }

.subject-title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.subject-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 1px;
}

.chevron {
  transition: transform 0.3s;
  color: var(--text-muted);
  font-size: 18px;
}

.chevron.open { transform: rotate(180deg); }

.subject-body {
  display: none;
  padding: 0 20px 20px;
}

.subject-body.open { display: block; }

.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.topic-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 12px;
  transition: all 0.2s;
  cursor: pointer;
}

.topic-item:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.topic-item.done {
  border-color: rgba(0,204,102,0.3);
  background: rgba(0,204,102,0.05);
}

.topic-name {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 3px;
}

.topic-sub {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
}

.progress-track {
  height: 3px;
  background: var(--bg-elevated);
  border-radius: 2px;
  margin-top: 10px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--accent);
  transition: width 0.4s ease;
}

/* ===== QUIZ / MODEL PAPERS ===== */
.quiz-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.select-styled {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 16px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  outline: none;
  appearance: none;
}

.btn {
  padding: 9px 20px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2px;
  transition: all 0.2s;
}

.btn-primary { background: var(--accent); color: var(--bg-base); }
.btn-primary:hover { background: var(--accent-dim); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-glow); }

.btn-gold { background: var(--accent2); color: var(--bg-base); }
.btn-gold:hover { background: var(--accent2-dim); }

.score-banner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  margin-bottom: 24px;
  display: none;
}

.score-big {
  font-family: var(--font-head);
  font-size: 56px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  line-height: 1;
}

.score-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 2px;
  margin-top: 6px;
}

.score-rank {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 20px;
  border-radius: 20px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
}

/* ===== EXAM INFO BANNER ===== */
.exam-info-banner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 22px;
  margin-bottom: 24px;
  border-top: 3px solid var(--accent);
}

.exam-info-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 10px;
}

.exam-info-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

/* ===== SECTION DIVIDER (model paper) ===== */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 18px;
  margin: 20px 0 14px;
  border-left: 4px solid var(--accent);
}

.section-divider-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 2px;
  font-weight: 700;
  text-transform: uppercase;
}

.section-divider-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.q-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 22px;
  margin-bottom: 14px;
  transition: border-color 0.2s;
}

.q-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.q-number {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  background: rgba(0,229,255,0.1);
  padding: 3px 10px;
  border-radius: 4px;
  letter-spacing: 1px;
}

.q-exam-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.q-text {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.q-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.q-opt {
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  text-align: left;
  transition: all 0.2s;
  font-family: var(--font-body);
}

.q-opt:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.q-opt.correct {
  background: rgba(0,204,102,0.1);
  border-color: var(--success);
  color: var(--success);
  font-weight: 500;
}

.q-opt.wrong {
  background: rgba(255,68,68,0.08);
  border-color: var(--danger);
  color: var(--danger);
}

.q-explanation {
  display: none;
  margin-top: 12px;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== TIMETABLE ===== */
.phase-header {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.phase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.phase-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
}

.phase-1::after { background: var(--accent); }
.phase-2::after { background: var(--accent2); }
.phase-3::after { background: var(--warning); }
.phase-4::after { background: var(--success); }

.phase-weeks {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.phase-name {
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.week-row {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  margin-bottom: 8px;
  overflow: hidden;
}

.week-toggle {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  padding: 14px 18px;
  cursor: pointer;
  gap: 16px;
  transition: background 0.2s;
}

.week-toggle:hover { background: var(--bg-elevated); }

.week-label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 1px;
}

.week-preview {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.week-body {
  display: none;
  padding: 4px 18px 18px;
}

.week-body.open { display: block; }

.day-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.day-block {
  background: var(--bg-elevated);
  border-radius: 8px;
  padding: 10px;
}

.day-name {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.day-task {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.daily-routine {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

.routine-title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 14px;
  color: var(--accent);
}

.routine-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.routine-row:last-child { border-bottom: none; }

.routine-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent2);
  min-width: 90px;
  letter-spacing: 0.5px;
}

.routine-task { font-size: 13px; color: var(--text-secondary); }

/* ===== STRATEGY ===== */
.strategy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.strategy-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 20px;
  border-top: 3px solid transparent;
}

.strategy-card.s-cyan { border-top-color: var(--accent); }
.strategy-card.s-gold { border-top-color: var(--accent2); }
.strategy-card.s-red { border-top-color: var(--danger); }
.strategy-card.s-green { border-top-color: var(--success); }

.strategy-title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.tip-item {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.tip-item:last-child { border-bottom: none; }

.tip-icon { color: var(--accent); flex-shrink: 0; margin-top: 2px; }

/* ===== OLQ SECTION ===== */
.olq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.olq-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 16px;
  transition: all 0.2s;
}

.olq-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.olq-group {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.olq-name {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.olq-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.olq-meter {
  margin-top: 10px;
  height: 3px;
  background: var(--bg-elevated);
  border-radius: 2px;
  overflow: hidden;
}

.olq-meter-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}

/* ===== RESOURCES ===== */
.resource-section-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent);
  margin: 24px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.res-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 16px;
  transition: all 0.2s;
  cursor: pointer;
}

.res-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.res-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.res-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.res-title {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.res-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 10px;
}

.res-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 10px;
}

.res-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.res-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: color 0.2s;
}

.res-link:hover { color: var(--accent2); }

/* ===== DASHBOARD / HERO ===== */
.hero-banner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 32px;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: 'MISSION OFFICER';
  position: absolute;
  right: -20px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-head);
  font-size: 100px;
  font-weight: 900;
  color: rgba(232,114,26,0.05);
  letter-spacing: 4px;
  pointer-events: none;
  white-space: nowrap;
}

.hero-title {
  font-family: var(--font-head);
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.hero-title span { color: var(--accent); }

.hero-sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.hero-stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-stat { display: flex; flex-direction: column; }

.hero-stat-val {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}

.hero-stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.urgent-banner {
  background: rgba(255,215,0,0.06);
  border: 1px solid rgba(255,215,0,0.2);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.urgent-icon { font-size: 20px; }
.urgent-text { font-size: 13px; color: var(--accent2); line-height: 1.5; }
.urgent-text strong { font-weight: 700; }

/* ===== TIMELINE ===== */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 24px;
}

.timeline-dot {
  position: absolute;
  left: -24px; top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-base);
}

.timeline-dot.gold { background: var(--accent2); }
.timeline-dot.red { background: var(--danger); }
.timeline-dot.muted { background: var(--text-muted); }

.timeline-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.timeline-event {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.timeline-detail {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }

/* ===== MOBILE ===== */
#menu-toggle {
  display: none;
  position: fixed;
  top: 14px; left: 14px;
  z-index: 200;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 18px;
  color: var(--accent);
}

#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 99;
}

/* ===== TOPIC MODAL — placeholder (actual styles below) ===== */
/* ===== REMOVED: THEME TOGGLE + LIGHT THEME OVERRIDES (now single light theme) ===== */
/*
[data-theme="light"] {
  /* Backgrounds */
  --bg-base:      #FFFCF8;
  --bg-surface:   #FFF5E8;
  --bg-card:      #FFFFFF;
  --bg-card-hover:#FFF9F2;
  --bg-elevated:  #FFE8CC;

  /* Accent — Saffron Orange */
  --accent:       #E8721A;
  --accent-dim:   #C05E12;
  --accent-glow:  rgba(232,114,26,0.09);

  /* Accent 2 — India Flag Green */
  --accent2:      #1A7A35;
  --accent2-dim:  #156630;

  /* System */
  --danger:       #CC2200;
  --success:      #1A7A35;
  --warning:      #FF9933;

  /* Text */
  --text-primary:   #1A1208;
  --text-secondary: #6B5744;
  --text-muted:     #B8A090;

  /* Borders */
  --border:        rgba(139,80,30,0.18);
  --border-subtle: rgba(139,80,30,0.09);

  /* Fonts */
  --font-head: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Light mode element overrides */
[data-theme="light"] body { background: var(--bg-base); color: var(--text-primary); }

[data-theme="light"] body::before { display: none; }

[data-theme="light"] body::after {
  background-image:
    radial-gradient(circle at 20% 50%, rgba(232,114,26,0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(26,122,53,0.03) 0%, transparent 40%);
}

[data-theme="light"] .topbar {
  background: rgba(255,252,248,0.95);
  border-bottom: 1px solid rgba(139,80,30,0.12);
}

[data-theme="light"] #sidebar {
  background: #FFF5E8;
  border-right: 1px solid rgba(139,80,30,0.12);
}

[data-theme="light"] .logo-text { color: var(--accent); }
[data-theme="light"] .logo-icon { background: var(--accent); color: #fff; }

[data-theme="light"] .nav-item { color: var(--text-secondary); }
[data-theme="light"] .nav-item:hover { background: var(--accent-glow); color: var(--text-primary); }
[data-theme="light"] .nav-item.active { background: var(--accent-glow); color: var(--accent); }

[data-theme="light"] .countdown-box { background: #fff; border-color: rgba(139,80,30,0.15); }
[data-theme="light"] .countdown-val { color: var(--accent); }

[data-theme="light"] .card { background: #fff; border-color: rgba(139,80,30,0.1); box-shadow: 0 2px 8px rgba(100,50,0,0.06); }
[data-theme="light"] .card:hover { background: var(--bg-card-hover); border-color: var(--accent); box-shadow: 0 8px 24px rgba(232,114,26,0.12); }

[data-theme="light"] .exam-card { background: #fff; border-color: rgba(139,80,30,0.1); }
[data-theme="light"] .exam-card:hover { border-color: var(--accent); box-shadow: 0 8px 32px rgba(232,114,26,0.12); }

[data-theme="light"] .stat-box { background: var(--bg-elevated); }
[data-theme="light"] .stat-val { color: var(--accent); }

[data-theme="light"] .tab-bar { background: #fff; border-color: rgba(139,80,30,0.1); }
[data-theme="light"] .tab-btn { color: var(--text-secondary); }
[data-theme="light"] .tab-btn:hover { background: var(--bg-elevated); color: var(--text-primary); }
[data-theme="light"] .tab-btn.active { background: var(--accent); color: #fff; }

[data-theme="light"] .subject-block { background: #fff; border-color: rgba(139,80,30,0.1); }
[data-theme="light"] .subject-header:hover { background: var(--bg-elevated); }
[data-theme="light"] .topic-item { background: var(--bg-elevated); border-color: rgba(139,80,30,0.1); }
[data-theme="light"] .topic-item:hover { border-color: var(--accent); background: var(--accent-glow); }
[data-theme="light"] .topic-item.done { border-color: rgba(26,122,53,0.4); background: rgba(26,122,53,0.06); }
[data-theme="light"] .progress-fill { background: var(--accent); }

[data-theme="light"] .q-card { background: #fff; border-color: rgba(139,80,30,0.1); }
[data-theme="light"] .q-number { background: var(--accent-glow); color: var(--accent); }
[data-theme="light"] .q-opt { background: var(--bg-elevated); border-color: rgba(139,80,30,0.1); color: var(--text-secondary); }
[data-theme="light"] .q-opt:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
[data-theme="light"] .q-explanation { background: var(--bg-elevated); border-left-color: var(--accent); }

[data-theme="light"] .score-banner { background: #fff; border-color: rgba(139,80,30,0.15); }
[data-theme="light"] .score-big { color: var(--accent); }

[data-theme="light"] .exam-info-banner { background: #fff; border-color: rgba(139,80,30,0.15); border-top-color: var(--accent); }
[data-theme="light"] .section-divider { background: var(--bg-elevated); border-color: rgba(139,80,30,0.12); border-left-color: var(--accent); }
[data-theme="light"] .section-divider-label { color: var(--accent); }

[data-theme="light"] .week-row { background: #fff; border-color: rgba(139,80,30,0.1); }
[data-theme="light"] .week-toggle:hover { background: var(--bg-elevated); }
[data-theme="light"] .week-label { color: var(--accent); }
[data-theme="light"] .day-block { background: var(--bg-elevated); }

[data-theme="light"] .daily-routine { background: #fff; border-color: rgba(139,80,30,0.15); }
[data-theme="light"] .routine-title { color: var(--accent); }
[data-theme="light"] .routine-time { color: var(--accent2); }

[data-theme="light"] .strategy-card { background: #fff; border-color: rgba(139,80,30,0.1); }
[data-theme="light"] .strategy-card.s-cyan { border-top-color: var(--accent); }
[data-theme="light"] .tip-icon { color: var(--accent); }

[data-theme="light"] .olq-card { background: #fff; border-color: rgba(139,80,30,0.1); }
[data-theme="light"] .olq-card:hover { border-color: var(--accent); }
[data-theme="light"] .olq-group { color: var(--accent); }

[data-theme="light"] .res-card { background: #fff; border-color: rgba(139,80,30,0.1); }
[data-theme="light"] .res-card:hover { border-color: var(--accent); }
[data-theme="light"] .res-link { color: var(--accent); }
[data-theme="light"] .res-link:hover { color: var(--accent2); }

[data-theme="light"] .hero-banner { background: #fff; border-color: rgba(139,80,30,0.12); }
[data-theme="light"] .hero-title { color: var(--text-primary); }
[data-theme="light"] .hero-title span { color: var(--accent); }
[data-theme="light"] .hero-stat-val { color: var(--accent); }

[data-theme="light"] .urgent-banner { background: rgba(232,114,26,0.06); border-color: rgba(232,114,26,0.2); }
[data-theme="light"] .urgent-text { color: var(--accent); }

[data-theme="light"] .timeline::before { background: rgba(139,80,30,0.15); }
[data-theme="light"] .timeline-dot { background: var(--accent); }
[data-theme="light"] .timeline-dot.gold { background: var(--accent2); }
[data-theme="light"] .timeline-date { color: var(--accent); }

[data-theme="light"] .phase-card { background: #fff; border-color: rgba(139,80,30,0.1); }
[data-theme="light"] .phase-1::after { background: var(--accent); }
[data-theme="light"] .phase-2::after { background: var(--accent2); }

[data-theme="light"] .select-styled { background: #fff; border-color: rgba(139,80,30,0.2); color: var(--text-primary); }
[data-theme="light"] .btn-ghost { color: var(--text-secondary); border-color: rgba(139,80,30,0.2); }
[data-theme="light"] .btn-ghost:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-glow); }
[data-theme="light"] .btn-primary { background: var(--accent); }
[data-theme="light"] .btn-primary:hover { background: var(--accent-dim); }

[data-theme="light"] #sidebar-overlay { background: rgba(26,18,8,0.6); }
[data-theme="light"] #menu-toggle { background: #fff; border-color: rgba(139,80,30,0.15); color: var(--accent); }

[data-theme="light"] .resource-section-title { color: var(--accent); border-bottom-color: rgba(139,80,30,0.1); }

[data-theme="light"] ::-webkit-scrollbar-track { background: var(--bg-base); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(139,80,30,0.2); }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* Light modal overrides */
[data-theme="light"] #topic-modal { background: #FFFCF8; border-color: rgba(139,80,30,0.15); }
[data-theme="light"] #topic-modal-header { background: #fff; border-bottom-color: rgba(139,80,30,0.1); }
[data-theme="light"] .tm-cat { color: var(--accent); }
[data-theme="light"] .tm-title { color: var(--text-primary); }
[data-theme="light"] .tm-close { background: var(--bg-elevated); border-color: rgba(139,80,30,0.12); color: var(--text-secondary); }
[data-theme="light"] .tc-head { color: var(--accent); border-bottom-color: rgba(139,80,30,0.1); }
[data-theme="light"] .tc-list li { color: var(--text-secondary); }
[data-theme="light"] .tc-list li::before { color: var(--accent); }
[data-theme="light"] .tc-tips li::before { color: var(--accent2); }
[data-theme="light"] .tc-formula { background: var(--bg-elevated); border-color: rgba(139,80,30,0.1); border-left-color: var(--accent); color: var(--text-primary); }
[data-theme="light"] .tc-example { background: var(--bg-elevated); border-color: rgba(139,80,30,0.1); }
[data-theme="light"] .tc-ex-q { color: var(--text-primary); }
[data-theme="light"] .tc-ex-a { color: var(--success); border-top-color: rgba(139,80,30,0.1); }
[data-theme="light"] #topic-modal-footer { background: #fff; border-top-color: rgba(139,80,30,0.1); }
[data-theme="light"] #modal-done-btn { background: var(--bg-elevated); border-color: rgba(139,80,30,0.15); color: var(--text-secondary); }
[data-theme="light"] #modal-done-btn:hover { border-color: var(--success); color: var(--success); }
[data-theme="light"] #modal-done-btn.done-active { background: rgba(26,122,53,0.08); border-color: var(--success); color: var(--success); }
*/

/* ===== TOPIC MODAL ===== */
#topic-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26,18,8,0.75);
  z-index: 500;
  overflow-y: auto;
  padding: 24px 16px;
}

#topic-modal-overlay.open { display: flex; align-items: flex-start; justify-content: center; }

#topic-modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 680px;
  margin: 20px auto;
  overflow: hidden;
  animation: fadeIn 0.25s ease;
}

#topic-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

.tm-cat {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 6px;
}

.tm-title {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.3px;
}

.tm-close {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 18px;
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
  margin-left: 16px;
  margin-top: 4px;
}
.tm-close:hover { background: var(--danger); color: #fff; border-color: var(--danger); }

#topic-modal-body { padding: 20px 24px; }

.tc-block { margin-bottom: 20px; }

.tc-head {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-subtle);
  text-transform: uppercase;
}

.tc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tc-list li {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: 14px;
  position: relative;
}

.tc-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.tc-tips li::before { content: '→'; color: var(--accent2); }

.tc-formula-box {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tc-formula {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  letter-spacing: 0.3px;
}

.tc-example {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 14px 16px;
}

.tc-ex-q {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.5;
}

.tc-ex-a {
  font-size: 13px;
  color: var(--success);
  line-height: 1.6;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}

#topic-modal-footer {
  display: flex;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

#modal-done-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  padding: 9px 18px;
  cursor: pointer;
  transition: all 0.2s;
}
#modal-done-btn:hover { border-color: var(--success); color: var(--success); }
#modal-done-btn.done-active { background: rgba(0,204,102,0.1); border-color: var(--success); color: var(--success); }

#modal-close-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  padding: 9px 18px;
  cursor: pointer;
  transition: all 0.2s;
}
#modal-close-btn:hover { color: var(--text-primary); border-color: var(--border); }

@media (max-width: 768px) {
  #menu-toggle { display: block; }
  #sidebar { transform: translateX(-100%); }
  #sidebar.open { transform: translateX(0); }
  #sidebar-overlay.show { display: block; }
  #main { margin-left: 0; }
  .topbar { padding: 14px 16px 14px 56px; }
  .page { padding: 20px 16px; }
  .q-options { grid-template-columns: 1fr; }
  .hero-banner::before { display: none; }
  .phase-header { grid-template-columns: repeat(2, 1fr); }
  .exam-info-meta { gap: 12px; }
  .section-divider { flex-direction: column; align-items: flex-start; gap: 4px; }
}