/* =====================================================
   WAEC 2026 CORE MATHS — Global Stylesheet
   Design: Dark mode, glassmorphism, premium feel
   ===================================================== */

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

/* NOTE: All CSS variables (colors, radii, etc.) are defined in theme.css.
   Style.css provides component-level styles only. */

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #2d3748;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #4a5568;
}

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  overflow: hidden;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
}

.hero-bg-orbs {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}
.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.7);
  }
}

.hero-content h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}
.gradient-text {
  background: linear-gradient(135deg, #818cf8 0%, #6366f1 50%, #4f46e5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.stat-chip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  backdrop-filter: blur(12px);
  transition:
    border-color 0.3s,
    transform 0.3s;
}
.stat-chip:hover {
  border-color: var(--border-bright);
  transform: translateY(-3px);
}
.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}
.stat-lbl {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-main);
  font-weight: 800;
  font-size: 0.9rem;
  padding: 16px 40px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(180, 83, 9, 0.25);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.cta-btn:hover {
  background: #92400e;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(180, 83, 9, 0.35);
}
.cta-btn:active {
  transform: translateY(0);
}

.outline-btn {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-bright);
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 16px 40px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.outline-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  color: var(--primary);
}

/* ═══════════════════════════════════════════════
   PROGRESS BAR
═══════════════════════════════════════════════ */
.progress-bar-wrapper {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 13, 20, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 14px 2rem;
}
.progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.progress-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 100px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--primary);
  box-shadow: 0 0 15px var(--primary-dim);
  border-radius: var(--radius-full);
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.difficulty-legend {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 8px;
  font-size: 0.72rem;
  color: var(--text-muted);
}
.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 4px;
}
.legend-dot.easy {
  background: var(--easy-color);
}
.legend-dot.medium {
  background: var(--medium-color);
}
.legend-dot.hard {
  background: var(--hard-color);
}

/* ═══════════════════════════════════════════════
   FILTER BAR
═══════════════════════════════════════════════ */
#quiz-section {
  padding: 2.5rem 1.5rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-main);
  font-size: 0.8rem;
  font-weight: 800;
  padding: 8px 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.filter-btn:hover {
  border-color: var(--border-bright);
  color: var(--text-primary);
}
.filter-btn.active {
  background: var(--primary-dim);
  border-color: var(--primary);
  color: var(--primary);
}

/* ═══════════════════════════════════════════════
   QUESTION CARDS
═══════════════════════════════════════════════ */
.questions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.q-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  position: relative;
  box-shadow: var(--shadow-premium);
}
.q-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow:
    0 30px 60px -12px rgba(0, 0, 0, 0.5),
    0 18px 36px -18px rgba(0, 0, 0, 0.5);
}
.q-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.q-card.easy::before {
  background: var(--easy-color);
}
.q-card.medium::before {
  background: var(--medium-color);
}
.q-card.hard::before {
  background: var(--hard-color);
}

.q-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Card top row */
.q-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.q-number-badge {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-muted);
  white-space: nowrap;
}
.q-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.tag-difficulty {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
}
.tag-difficulty.easy {
  background: rgba(52, 211, 153, 0.15);
  color: var(--easy-color);
}
.tag-difficulty.medium {
  background: rgba(251, 191, 36, 0.15);
  color: var(--medium-color);
}
.tag-difficulty.hard {
  background: rgba(248, 113, 113, 0.15);
  color: var(--hard-color);
}

.tag-topic {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
}
.tag-context {
  font-size: 0.78rem;
}

/* Question text */
.q-text {
  font-size: 1.05rem;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-weight: 500;
}
.q-text strong {
  color: var(--gold);
  font-weight: 700;
}

/* Options */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 1.5rem;
}
@media (max-width: 580px) {
  .options-grid {
    grid-template-columns: 1fr;
  }
}

.option-btn {
  background: var(--bg-card-hover);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.92rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: all 0.22s;
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  overflow: hidden;
}
.option-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: transparent;
  transition: background 0.2s;
}
.option-btn:hover:not(:disabled) {
  border-color: rgba(251, 191, 36, 0.5);
  background: rgba(251, 191, 36, 0.07);
  transform: translateX(3px);
}
.option-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg-input);
  font-size: 0.75rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-muted);
  flex-shrink: 0;
  transition: all 0.2s;
}
.option-btn:hover:not(:disabled) .option-letter {
  background: rgba(251, 191, 36, 0.2);
  color: var(--gold);
}

/* Answered states */
.option-btn.correct {
  border-color: var(--green) !important;
  background: var(--green-dim) !important;
  pointer-events: none;
}
.option-btn.correct .option-letter {
  background: var(--green);
  color: #0a0d14;
}
.option-btn.wrong {
  border-color: var(--red) !important;
  background: var(--red-dim) !important;
  pointer-events: none;
}
.option-btn.wrong .option-letter {
  background: var(--red);
  color: #0a0d14;
}
.option-btn.reveal-correct {
  border-color: rgba(34, 197, 94, 0.4) !important;
  background: rgba(34, 197, 94, 0.05) !important;
  pointer-events: none;
}
.option-btn.reveal-correct .option-letter {
  background: rgba(34, 197, 94, 0.3);
  color: var(--green);
}
.option-btn:disabled {
  cursor: not-allowed;
}

/* Result message */
.result-msg {
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  animation: fadeInUp 0.3s ease;
}
.result-msg.correct {
  display: flex;
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(34, 197, 94, 0.25);
}
.result-msg.wrong {
  display: flex;
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid rgba(248, 113, 113, 0.25);
}

/* Workings panel */
.workings-panel {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 1rem;
  display: none;
  animation: fadeInUp 0.3s ease;
}
.workings-panel.visible {
  display: block;
}
.workings-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 6px;
}
.workings-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.8;
  white-space: pre-wrap;
}
.distractor-text {
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  margin-top: 10px;
  padding-top: 10px;
  line-height: 1.6;
}
.distractor-text strong {
  color: var(--red);
}

/* Pro-Tip */
.protip-panel {
  background: linear-gradient(
    135deg,
    rgba(251, 191, 36, 0.07),
    rgba(249, 115, 22, 0.05)
  );
  border: 1px solid rgba(251, 191, 36, 0.2);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: none;
  align-items: flex-start;
  gap: 8px;
  animation: fadeInUp 0.3s ease;
}
.protip-panel.visible {
  display: flex;
}
.protip-icon {
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.protip-text {
  font-size: 0.85rem;
  color: var(--gold);
  line-height: 1.6;
}
.protip-text strong {
  color: #fff;
}

/* ═══════════════════════════════════════════════
   RESULTS SECTION
═══════════════════════════════════════════════ */
.results-section {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem;
}
.results-card {
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
  animation: fadeInUp 0.5s ease;
}
.results-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 80% 60% at 50% 0%,
    rgba(251, 191, 36, 0.06),
    transparent
  );
  pointer-events: none;
}
.results-emoji {
  font-size: 4rem;
  margin-bottom: 1rem;
}
.results-card h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.results-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.results-breakdown {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 2rem;
}
.breakdown-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 8px;
}
.breakdown-num {
  font-size: 1.6rem;
  font-weight: 800;
}
.breakdown-lbl {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.breakdown-item.easy-bd .breakdown-num {
  color: var(--easy-color);
}
.breakdown-item.medium-bd .breakdown-num {
  color: var(--medium-color);
}
.breakdown-item.hard-bd .breakdown-num {
  color: var(--hard-color);
}

.results-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
.site-footer {
  text-align: center;
  padding: 2.5rem;
  color: var(--text-muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--border);
  line-height: 1.8;
}
.footer-note {
  margin-top: 4px;
  font-size: 0.75rem;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 768px) {
  .q-card {
    padding: 1.5rem;
  }
  .hero-content h1 {
    font-size: clamp(2.2rem, 10vw, 4rem);
  }
  .results-breakdown {
    grid-template-columns: 1fr 1fr 1fr;
  }
}
@media (max-width: 420px) {
  .hero-stats {
    flex-direction: column;
    align-items: center;
  }
  .results-breakdown {
    grid-template-columns: 1fr;
  }
  .results-actions {
    flex-direction: column;
  }
}

/* ═══════════════════════════════════════════════
   APP WRAPPER (blur gate)
═══════════════════════════════════════════════ */
#appWrapper {
  transition:
    filter 0.4s ease,
    opacity 0.4s ease;
}
#appWrapper.blurred {
  filter: blur(6px) brightness(0.4);
  pointer-events: none;
  user-select: none;
}

/* ═══════════════════════════════════════════════
   AUTH OVERLAY
═══════════════════════════════════════════════ */
.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;

  /* hidden by default */
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;

  background:
    radial-gradient(
      ellipse 90% 70% at 50% 10%,
      rgba(251, 191, 36, 0.06),
      transparent 60%
    ),
    radial-gradient(
      ellipse 60% 50% at 80% 90%,
      rgba(96, 165, 250, 0.05),
      transparent 50%
    ),
    rgba(10, 13, 20, 0.75);
  backdrop-filter: blur(24px);
}
.auth-overlay.visible {
  opacity: 1;
  pointer-events: all;
}

/* Floating orbs inside overlay */
.auth-orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.auth-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.18;
  animation: floatOrb 16s ease-in-out infinite;
}
.auth-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #fbbf24, transparent 70%);
  top: -150px;
  left: -80px;
  animation-delay: 0s;
}
.auth-orb-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, #60a5fa, transparent 70%);
  bottom: 0;
  right: -80px;
  animation-delay: -6s;
}
.auth-orb-3 {
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, #a78bfa, transparent 70%);
  bottom: 30%;
  left: 5%;
  animation-delay: -12s;
}

/* ─── Auth Card ─── */
.auth-card {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 440px;
  background: rgba(15, 18, 28, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2.25rem 2rem;
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(251, 191, 36, 0.06) inset,
    0 1px 0 rgba(255, 255, 255, 0.08) inset;
  animation: authCardIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  backdrop-filter: blur(20px);
}
@keyframes authCardIn {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ─── Branding ─── */
.auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 2rem;
}
.auth-logo {
  width: 52px;
  height: 52px;
  background: linear-gradient(
    135deg,
    rgba(251, 191, 36, 0.2),
    rgba(249, 115, 22, 0.15)
  );
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 0 24px rgba(251, 191, 36, 0.15);
}
.auth-brand-text {
  display: flex;
  flex-direction: column;
}
.auth-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}
.auth-title-accent {
  background: linear-gradient(135deg, #fbbf24, #f97316);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.auth-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 3px;
  font-weight: 600;
}

/* ─── Tabs ─── */
.auth-tabs {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: 1.75rem;
}
.auth-tab {
  flex: 1;
  background: transparent;
  border: none;
  border-radius: 10px;
  padding: 9px 1rem;
  font-family: var(--font-main);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.25s;
}
.auth-tab:hover {
  color: var(--text-secondary);
}
.auth-tab-active {
  background: linear-gradient(
    135deg,
    rgba(251, 191, 36, 0.18),
    rgba(249, 115, 22, 0.12)
  );
  border: 1px solid rgba(251, 191, 36, 0.35) !important;
  color: var(--gold) !important;
  box-shadow: 0 2px 12px rgba(251, 191, 36, 0.12);
}

/* ─── Forms ─── */
.auth-form {
  display: none;
  flex-direction: column;
  gap: 1.1rem;
  animation: fadeInUp 0.3s ease;
}
.auth-form.form-active {
  display: flex;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.field-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}
.forgot-link {
  color: var(--gold);
  font-size: 0.78rem;
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.2s;
}
.forgot-link:hover {
  opacity: 1;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon {
  position: absolute;
  left: 14px;
  font-size: 0.9rem;
  pointer-events: none;
  z-index: 1;
  opacity: 0.6;
}
.auth-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 11px 42px 11px 40px;
  font-family: var(--font-main);
  font-size: 0.92rem;
  color: var(--text-primary);
  outline: none;
  transition:
    border-color 0.25s,
    background 0.25s,
    box-shadow 0.25s;
}
.auth-input::placeholder {
  color: var(--text-muted);
  font-size: 0.88rem;
}
.auth-input:focus {
  border-color: rgba(251, 191, 36, 0.55);
  background: rgba(251, 191, 36, 0.04);
  box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.1);
}
.auth-input.input-error {
  border-color: var(--red) !important;
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.15) !important;
}

.eye-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.88rem;
  opacity: 0.5;
  transition: opacity 0.2s;
  padding: 4px;
}
.eye-btn:hover {
  opacity: 0.9;
}

/* ─── Strength meter ─── */
.strength-meter {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}
.strength-track {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 100px;
  overflow: hidden;
}
.strength-bar {
  height: 100%;
  border-radius: 100px;
  width: 0%;
  transition:
    width 0.4s ease,
    background 0.4s ease;
}
.strength-label {
  font-size: 0.72rem;
  font-weight: 700;
  min-width: 60px;
  text-align: right;
  letter-spacing: 0.04em;
  transition: color 0.4s;
}

/* ─── Field errors ─── */
.field-error {
  display: none;
  font-size: 0.77rem;
  color: var(--red);
  font-weight: 500;
  padding-left: 2px;
  animation: fadeInUp 0.2s ease;
}
.general-error {
  text-align: center;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.25);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
}

/* ─── Submit button ─── */
.auth-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 1rem;
  background: linear-gradient(135deg, #fbbf24, #f97316);
  color: #0a0d14;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 700;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(251, 191, 36, 0.3);
  transition:
    transform 0.2s,
    box-shadow 0.2s,
    filter 0.2s;
  margin-top: 4px;
}
.auth-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(251, 191, 36, 0.45);
  filter: brightness(1.06);
}
.auth-submit-btn:active {
  transform: scale(0.98);
}
.btn-arrow {
  font-size: 1.1rem;
  transition: transform 0.2s;
}
.auth-submit-btn:hover .btn-arrow {
  transform: translateX(3px);
}

/* ─── Divider ─── */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.78rem;
}
.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ─── Guest button ─── */
.guest-btn {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-main);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 11px 1rem;
  border-radius: 100px;
  cursor: pointer;
  transition:
    background 0.2s,
    border-color 0.2s,
    color 0.2s;
}
.guest-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-bright);
  color: var(--text-primary);
}

/* ─── Success toast ─── */
.auth-success-toast {
  position: absolute;
  bottom: -70px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(
    135deg,
    rgba(34, 197, 94, 0.25),
    rgba(34, 197, 94, 0.12)
  );
  border: 1px solid rgba(34, 197, 94, 0.4);
  color: #22c55e;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 11px 24px;
  border-radius: 100px;
  white-space: nowrap;
  opacity: 0;
  transition:
    opacity 0.3s ease,
    bottom 0.3s ease;
  pointer-events: none;
}
.auth-success-toast.toast-visible {
  opacity: 1;
  bottom: -60px;
}

/* ─── Disclaimer ─── */
.auth-disclaimer {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.73rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ─── Form shake animation ─── */
@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-8px);
  }
  40% {
    transform: translateX(8px);
  }
  60% {
    transform: translateX(-5px);
  }
  80% {
    transform: translateX(5px);
  }
}
.form-shake {
  animation: shake 0.45s ease;
}

/* ═══════════════════════════════════════════════
   USER CHIP (progress bar)
═══════════════════════════════════════════════ */
.progress-meta-right {
  display: flex;
  align-items: center;
  gap: 14px;
}
.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px 12px 4px 6px;
  font-size: 0.8rem;
  animation: fadeInUp 0.3s ease;
}
.user-avatar {
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #fbbf24, #f97316);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  color: #0a0d14;
  flex-shrink: 0;
}
.user-name {
  color: var(--text-secondary);
  font-weight: 600;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.logout-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 2px 4px;
  transition: color 0.2s;
  line-height: 1;
}
.logout-btn:hover {
  color: var(--red);
}

/* ─── Auth responsive ─── */
@media (max-width: 480px) {
  .auth-card {
    padding: 2rem 1.5rem 1.75rem;
  }
  .auth-title {
    font-size: 1.15rem;
  }
  .progress-meta {
    flex-direction: column;
    gap: 6px;
  }
  .progress-meta-right {
    justify-content: space-between;
  }
}

/* ═══════════════════════════════════════════════
   BACK BUTTON (quiz page → dashboard)
═══════════════════════════════════════════════ */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 12px 6px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: all 0.2s;
}
.back-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-bright);
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(-2px);
}
.back-arrow {
  font-size: 1rem;
  transition: transform 0.2s;
}
.back-btn:hover .back-arrow {
  transform: translateX(-3px);
}
.back-label {
  white-space: nowrap;
}

.nav-divider {
  width: 1px;
  height: 24px;
  background: var(--border);
}
.nav-subject-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
}
@media (max-width: 560px) {
  .nav-subject-label {
    display: none;
  }
}

/* ═══════════════════════════════════════════════
   SHARED AUTH CARD STYLES (used in login.html)
═══════════════════════════════════════════════ */
@keyframes authCardIn {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
@keyframes floatOrb {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -40px) scale(1.05);
  }
  66% {
    transform: translate(-20px, 25px) scale(0.95);
  }
}

/* ═══════════════════════════════════════════════
   ABOUT SECTION
═══════════════════════════════════════════════ */
.about-section {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}
.about.q-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2.2rem;
  margin-bottom: 2rem;
  position: relative;
  transition:
    transform 0.2s,
    box-shadow 0.2s,
    border-color 0.2s;
  box-shadow: var(--shadow-premium);
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.q-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-bright);
}
.about-avatar {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #a78bfa, #60a5fa);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: #0a0d14;
  flex-shrink: 0;
  border: 4px solid var(--border);
  box-shadow: 0 0 0 1px var(--border-bright);
}
.about-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.about-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.about-body p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.instagr.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 16px 36px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.85rem;
  box-shadow: 0 4px 12px rgba(180, 83, 9, 0.3);
}
.cta-btn:hover {
  background: #92400e;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(180, 83, 9, 0.4);
}

/* =====================================================
   MOBILE OVERRIDES (Global)
   ===================================================== */
@media (max-width: 768px) {
  :root {
    --radius-lg: 16px;
    --radius-xl: 20px;
  }

  .hero h1 {
    font-size: 2.5rem !important;
  }
  .hero-content {
    padding: 1.5rem !important;
  }

  /*  Navigation / Header */
  .dashboard-header {
    flex-direction: column !important;
    gap: 1rem !important;
    padding: 1.5rem !important;
    text-align: center !important;
  }
  .header-actions {
    width: 100% !important;
    justify-content: center !important;
    gap: 8px !important;
  }
  .user-profile {
    padding: 6px 12px !important;
  }
  .logout-btn {
    padding: 8px 12px !important;
  }

  /*  Stats Grid */
  .stats-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  /*  Subjects Grid */
  .subjects-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }

  /*  Sections */
  section {
    padding: 3rem 1.25rem !important;
  }

  .section-title {
    font-size: 1.75rem !important;
  }

  /*  Footer */
  .site-footer {
    padding: 2rem 1rem !important;
    font-size: 0.8rem !important;
  }

  /*  Quiz Cards */
  .question-card {
    padding: 1.5rem !important;
    margin-bottom: 1.5rem !important;
  }
}

/* Specific fix for Quiz Filters */
@media (max-width: 600px) {
  .categories-nav {
    overflow-x: auto !important;
    white-space: nowrap !important;
    padding-bottom: 12px !important;
    justify-content: flex-start !important;
    display: flex !important;
    gap: 8px !important;
    -webkit-overflow-scrolling: touch;
  }
  .category-btn {
    flex: 0 0 auto !important;
    padding: 8px 16px !important;
    font-size: 0.85rem !important;
  }
}

/* ─── DAILY BADGE ─── */
.daily-badge {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 100px;
  backdrop-filter: blur(8px);
}

/* ─── MODAL OVERLAY (Global) ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(5, 6, 10, 0.85);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.settings-modal {
  background: linear-gradient(
    165deg,
    rgba(20, 24, 35, 0.98),
    rgba(10, 13, 20, 1)
  );
  width: 100%;
  max-width: 480px;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 32px 80px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(251, 191, 36, 0.1);
  overflow: hidden;
  transform: scale(0.95) translateY(20px);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.modal-overlay.active .settings-modal {
  transform: scale(1) translateY(0);
}

/* ─── Mode Selector ─────────────────────────────────── */
.mode-selector-wrapper {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 1rem auto 3rem;
  max-width: 600px;
}
.mode-btn {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: left;
  backdrop-filter: blur(10px);
}
.mode-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-bright);
  transform: translateY(-4px);
}
.mode-btn.active {
  background: var(--indigo-dim);
  border-color: var(--indigo);
  box-shadow: 0 0 30px var(--indigo-dim);
}
.mode-icon {
  font-size: 1.8rem;
  background: rgba(255, 255, 255, 0.03);
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
}
.mode-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mode-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
}
.mode-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

/* ─── Theory Header ────────────────────────────────── */
.theory-header {
  max-width: 900px;
  margin: 0 auto 2.5rem;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), transparent);
  border-left: 4px solid var(--indigo);
  border-radius: var(--radius-md);
  animation: slideIn 0.6s ease-out;
}
.theory-title-wrap h2 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  color: var(--indigo);
}
.theory-title-wrap p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ─── Subjective Card Additions ────────────────────── */
.theory-input-area {
  width: 100%;
  min-height: 180px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.6;
  resize: vertical;
  margin: 1.5rem 0;
  transition: all 0.3s;
}
.theory-input-area:focus {
  outline: none;
  border-color: var(--indigo);
  background: rgba(0, 0, 0, 0.3);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.1);
}
.submit-theory-btn {
  background: var(--indigo);
  color: white;
  border: none;
  padding: 12px 28px;
  border-radius: 100px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.submit-theory-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--indigo-dim);
}

.ai-feedback-panel {
  margin-top: 2rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  display: none; /* Shown after marking */
}
.ai-feedback-header {
  background: rgba(99, 102, 241, 0.1);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ai-score-pill {
  background: var(--indigo);
  color: white;
  padding: 4px 14px;
  border-radius: 20px;
  font-weight: 800;
  font-size: 0.9rem;
}
.ai-feedback-body {
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.2);
  font-size: 0.92rem;
  color: var(--text-secondary);
}
.ai-feedback-body strong {
  color: var(--text-primary);
}

.modal-header {
  padding: 2rem 2rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.close-modal-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}
.close-modal-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--gold);
}

.modal-content {
  padding: 0 2rem 2.5rem;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.setting-label-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.setting-label {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}
.setting-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
  max-width: 280px;
}

.toggle-switch {
  position: relative;
  width: 50px;
  height: 26px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.1);
  cursor: pointer;
  transition: all 0.3s;
  flex-shrink: 0;
}
.toggle-switch::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 3px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}
.toggle-switch.active {
  background: #22c55e;
}
.toggle-switch.active::after {
  transform: translateX(24px);
}

.settings-user-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 18px;
  padding: 1rem;
  margin-bottom: 2rem;
}
/* ─── Question Card ──────────────────────────────── */
.q-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2.5rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-premium);
}
.q-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  opacity: 0.8;
}

/* Authorized ID Header */
.q-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-accent);
}
.q-number-badge {
  background: var(--primary);
  color: #fff;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.q-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}
.tag-context {
  background: rgba(255, 255, 255, 0.03);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 1rem;
}

/* Question Text */
.q-text {
  font-size: 1.25rem;
  line-height: 1.6;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
}

/* Tactical Options (OMR Style) */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.option-btn {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.5rem;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.option-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary-dim);
  transform: translateX(6px);
}
.option-letter {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--primary);
  transition: all 0.2s;
}
.option-btn.selected {
  background: rgba(180, 83, 9, 0.08);
  border-color: var(--primary);
  color: var(--text-primary);
  box-shadow: 0 4px 15px rgba(180, 83, 9, 0.15);
}
.option-btn.selected .option-letter {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.settings-avatar {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--brand-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: #000;
}
.settings-info h4 {
  margin: 0;
  font-size: 1.05rem;
}
.settings-info p {
  margin: 2px 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.security-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.status-secure {
  color: #4ade80;
}
.status-warn {
  color: var(--gold);
}

/* ─── Daily AI Badge ───────────────────────────────── */
.daily-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: #4ade80;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}
/* =====================================================
   V4 MOCK EXAM MODE — High-Stakes Simulation
   ===================================================== */
.mock-exam-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--bg-card);
  border-bottom: 2px solid var(--primary);
  padding: 1rem 2rem;
  box-shadow: var(--shadow-lg);
  animation: slideDown 0.4s ease;
}
.mock-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.timer-clock {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.05em;
}
.timer-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}
.submit-exam-btn {
  background: var(--error);
  color: #fff;
  border: none;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}
.submit-exam-btn:hover {
  background: #7f1d1d;
  transform: translateY(-2px);
}

.exam-navigator {
  position: fixed;
  left: 2rem;
  top: 10rem;
  width: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  max-height: calc(100vh - 12rem);
  overflow-y: auto;
  z-index: 400;
  animation: fadeInRight 0.6s ease;
}
.navigator-title {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}
.navigator-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.nav-item {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}
.nav-item:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.nav-item.answered {
  background: var(--primary-dim);
  border-color: var(--primary);
  color: var(--primary);
}
.nav-item.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}
@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (max-width: 1400px) {
  .exam-navigator {
    position: relative;
    width: 100%;
    top: 0;
    left: 0;
    margin-bottom: 2rem;
  }
  .navigator-grid {
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
  }
}

.daily-badge::before {
  content: "";
  font-size: 0.8rem;
}

/* ─── Responsive Settings ────────────────────────────── */
@media (max-width: 640px) {
  .settings-modal {
    width: 95%;
    margin: 10px;
  }
  .setting-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .toggle-switch {
    align-self: flex-end;
  }
}

/* ═══════════════════════════════════════════════
   INTEGRATED SCIENCE ESSAY / THEORY UI
   ═══════════════════════════════════════════════ */
.essay-container {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.essay-input {
  width: 100%;
  min-height: 250px;
  background: rgba(15, 23, 42, 0.6);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.6;
  resize: vertical;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.essay-input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(15, 23, 42, 0.8);
  box-shadow: 0 0 0 4px rgba(180, 83, 9, 0.15);
}

.essay-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ai-mark-btn {
  align-self: flex-start;
  background: linear-gradient(135deg, var(--primary), #ea580c);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s;
  box-shadow: 0 4px 12px rgba(180, 83, 9, 0.3);
}

.ai-mark-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(180, 83, 9, 0.4);
}

.ai-mark-btn .sparkle-icon {
  font-size: 1.1rem;
}

.ai-feedback-box {
  background: rgba(251, 191, 36, 0.05);
  border: 1px solid rgba(251, 191, 36, 0.2);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  animation: slideUp 0.4s ease-out;
}

.ai-loader {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gold);
  font-weight: 600;
  font-size: 0.9rem;
}

.ai-score-row {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 1rem;
}

.ai-score-badge {
  background: var(--gold);
  color: #000;
  padding: 4px 12px;
  border-radius: 6px;
  font-weight: 900;
  font-size: 1rem;
}

.ai-verdict {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.1rem;
}

.ai-feedback-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.ai-model-ans {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  padding: 1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.theory-tag {
  background: rgba(99, 102, 241, 0.15) !important;
  color: #818cf8 !important;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

/* Verified Badge */
.verified-badge-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  animation: badgeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes badgeIn {
  from {
    opacity: 0;
    transform: scale(0.5) rotate(-15deg);
  }
  to {
    opacity: 1;
    transform: scale(1) rotate(0);
  }
}

.status-verified {
  color: #10b981;
  font-weight: 700;
}