/* =============================================
   GeneralStudies.css — UPSC Portal
   GS Paper 1: History · Geography · Society
   ============================================= */

/* ── BREADCRUMB ───────────────────────────── */
.la-breadcrumb {
  display: flex;
  align-items: center;
  gap: .375rem;
  font-size: .8rem;
  color: var(--text-muted);
}
.la-breadcrumb a {
  color: rgba(255,255,255,.75);
  text-decoration: none;
  transition: color .15s;
}
.la-breadcrumb a:hover { color: #fff; }
.la-breadcrumb span { color: var(--text-muted); }
@media (max-width: 640px) { .la-breadcrumb { display: none; } }

/* ── HERO ─────────────────────────────────── */
.la-hero {
  background: linear-gradient(135deg, #92400e 0%, #b45309 50%, #d97706 100%);
  color: #fff;
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
}
.la-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.la-hero-inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}
.la-module-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 20px;
  padding: .3rem .875rem;
  font-size: .725rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.la-hero-left h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.15;
  margin-bottom: .875rem;
}
.la-hero-left p {
  font-size: 1rem;
  opacity: .9;
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 1.25rem;
}
.la-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.la-hero-tags span {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 20px;
  padding: .25rem .75rem;
  font-size: .75rem;
  font-weight: 600;
}

/* ── PROGRESS CARD ────────────────────────── */
.la-progress-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: 0 8px 32px rgba(0,0,0,.18);
}
.la-progress-card-header {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.125rem;
}
.la-stat-row {
  display: flex;
  gap: .5rem;
  margin-bottom: 1.25rem;
}
.la-stat {
  flex: 1;
  text-align: center;
  background: var(--surface);
  border-radius: var(--radius);
  padding: .75rem .5rem;
}
.la-stat-val {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -.02em;
  line-height: 1;
}
.la-stat-lbl {
  display: block;
  font-size: .65rem;
  color: var(--text-muted);
  margin-top: .25rem;
  font-weight: 500;
}
.la-progress-bar-wrap {
  background: var(--surface-2);
  border-radius: 4px;
  height: 10px;
  overflow: hidden;
  margin-bottom: .625rem;
}
.la-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #b45309, #d97706);
  border-radius: 4px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
}
.la-progress-hint {
  font-size: .72rem;
  color: var(--text-muted);
  text-align: center;
}

/* ── TAB BAR ──────────────────────────────── */
.la-tabs-wrap {
  background: var(--background);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 116px;
  z-index: 198;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
.la-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.la-tabs::-webkit-scrollbar { display: none; }
.la-tab {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .875rem 1.1rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: .8rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s, border-color .15s, background .15s;
}
.la-tab svg { width: 14px; height: 14px; flex-shrink: 0; }
.la-tab:hover { color: var(--primary); background: var(--surface); }
.la-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: var(--background);
  font-weight: 600;
}

/* ── MAIN & PANEL ─────────────────────────── */
.la-main { padding: 2.5rem 0 4rem; }
.la-panel { display: none; }
.la-panel.active { display: block; }

/* ── CONTENT CARD ─────────────────────────── */
.la-content-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}
.la-card-title-row {
  display: flex;
  align-items: center;
  gap: .875rem;
  margin-bottom: 1.25rem;
}
.la-card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.la-card-icon svg { width: 20px; height: 20px; }
.la-content-card h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.01em;
}
.la-content-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 1.5rem 0 .75rem;
}
.la-content-card > p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1rem;
  font-size: .9rem;
}

/* ── LIST ─────────────────────────────────── */
.la-list {
  list-style: none;
  padding: 0;
  margin: .75rem 0;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.la-list li {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}
.la-list li strong { color: var(--text-primary); }

/* ── LAW / ACCENT BOX ─────────────────────── */
.la-law-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}
.la-law-box-title {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-size: .8375rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: .875rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* ── CASE / HIGHLIGHT BOX ─────────────────── */
.la-case-box {
  background: linear-gradient(135deg, rgba(180,83,9,.05) 0%, rgba(217,119,6,.04) 100%);
  border: 1px solid rgba(180,83,9,.15);
  border-radius: var(--radius-lg);
  padding: 1.375rem 1.5rem;
  margin: 1.25rem 0;
}
html[data-theme="dark"] .la-case-box {
  background: linear-gradient(135deg, rgba(180,83,9,.12) 0%, rgba(217,119,6,.08) 100%);
  border-color: rgba(180,83,9,.25);
}
.la-case-title {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-size: .8375rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: .75rem;
}
.la-case-box p {
  font-size: .8375rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: .5rem;
}
.la-case-box p:last-child { margin-bottom: 0; }
.la-case-box strong { color: var(--text-primary); }

/* ── INFO GRID ────────────────────────────── */
.la-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: .75rem;
  margin: 1rem 0;
}
.la-info-item {
  display: flex;
  align-items: flex-start;
  gap: .625rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .75rem 1rem;
  font-size: .8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.la-art-badge {
  display: inline-block;
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
  border-radius: 6px;
  padding: .15rem .55rem;
  font-size: .7rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 1px;
}
html[data-theme="dark"] .la-art-badge {
  background: rgba(180,83,9,.2);
  color: #fbbf24;
  border-color: rgba(180,83,9,.35);
}

/* ── FLASHCARDS ───────────────────────────── */
.la-fc-header {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}
.la-fc-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .35rem;
}
.la-fc-header p {
  font-size: .875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}
.la-fc-progress-row {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--primary);
}
.la-fc-bar-wrap {
  flex: 1;
  height: 8px;
  background: var(--surface-2);
  border-radius: 4px;
  overflow: hidden;
}
.la-fc-bar {
  height: 100%;
  background: linear-gradient(90deg, #b45309, #d97706);
  border-radius: 4px;
  width: 0%;
  transition: width .5s ease;
}

.la-flashcards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

/* Card flip */
.la-fc {
  height: 220px;
  cursor: pointer;
  perspective: 1000px;
  user-select: none;
}
.la-fc-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform .55s cubic-bezier(.4,.2,.2,1);
}
.la-fc.flipped .la-fc-inner { transform: rotateY(180deg); }

.la-fc-front,
.la-fc-back {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  padding: 1.25rem 1.5rem;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: var(--shadow);
}
.la-fc-front { background: var(--background); }
.la-fc-back {
  background: var(--surface);
  transform: rotateY(180deg);
}
.la-fc:hover .la-fc-front { border-color: rgba(180,83,9,.4); box-shadow: 0 4px 16px rgba(180,83,9,.12); }
.la-fc.viewed .la-fc-front { border-color: #16a34a; }

.la-fc-tag {
  display: inline-block;
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
  border-radius: 20px;
  padding: .15rem .6rem;
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: .75rem;
  align-self: flex-start;
}
.la-fc-tag-ans {
  background: #f0fdf4;
  color: #16a34a;
  border-color: #bbf7d0;
}
html[data-theme="dark"] .la-fc-tag {
  background: rgba(180,83,9,.2);
  color: #fbbf24;
  border-color: rgba(180,83,9,.35);
}
html[data-theme="dark"] .la-fc-tag-ans {
  background: rgba(22,163,74,.15);
  color: #4ade80;
  border-color: rgba(22,163,74,.3);
}

.la-fc-front p {
  font-size: .875rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin: 0 0 auto;
}
.la-fc-back p {
  font-size: .8125rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}
.la-fc-hint {
  font-size: .68rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: .03em;
  margin-top: .75rem;
  display: flex;
  align-items: center;
  gap: .3rem;
}
.la-fc-hint::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--primary);
  border-radius: 50%;
  opacity: .5;
  animation: gs-pulse 1.5s ease-in-out infinite;
}
@keyframes gs-pulse {
  0%, 100% { opacity: .5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}

.la-fc-footer {
  display: flex;
  justify-content: center;
  padding: .5rem 0 1rem;
}

/* ── QUIZ ─────────────────────────────────── */
.la-quiz-header {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}
.la-quiz-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .35rem;
}
.la-quiz-header p {
  font-size: .875rem;
  color: var(--text-secondary);
}

.la-quiz {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.la-q-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s;
}
.la-q-card:focus-within { border-color: rgba(180,83,9,.3); }

.la-q-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  width: 28px; height: 28px;
  border-radius: 50%;
  font-size: .75rem;
  font-weight: 800;
  margin-bottom: .75rem;
}
.la-q-text {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 1rem;
}
.la-options {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.la-option {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 1rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: .875rem;
  color: var(--text-secondary);
  transition: all .15s;
}
.la-option input[type="radio"] { display: none; }
.la-option span {
  display: flex;
  align-items: center;
  gap: .75rem;
  width: 100%;
}
.la-option span::before {
  content: attr(data-letter);
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .72rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: background .15s, color .15s;
}
.la-option:hover:not(.answered) {
  border-color: var(--primary);
  color: var(--text-primary);
  transform: translateX(3px);
}
.la-option:hover:not(.answered) span::before {
  background: var(--primary);
  color: #fff;
}
.la-option.selected {
  border-color: var(--primary);
  background: rgba(180,83,9,.06);
  color: var(--text-primary);
}
.la-option.selected span::before { background: var(--primary); color: #fff; }
.la-option.correct {
  border-color: #16a34a !important;
  background: rgba(22,163,74,.08) !important;
  color: var(--text-primary) !important;
}
.la-option.correct span::before { background: #16a34a !important; color: #fff !important; }
.la-option.incorrect {
  border-color: #dc2626 !important;
  background: rgba(220,38,38,.07) !important;
}
.la-option.incorrect span::before { background: #dc2626 !important; color: #fff !important; }
.la-option.answered { cursor: default; pointer-events: none; }

/* explanation */
.la-q-exp {
  margin-top: .875rem;
  padding: .75rem 1rem;
  background: var(--surface);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary);
  font-size: .8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: none;
}
.la-q-exp.show { display: block; }

.la-quiz-footer {
  display: flex;
  gap: .75rem;
  align-items: center;
  padding: .5rem 0;
}

/* Score card */
.la-score-card {
  background: var(--background);
  border: 2px solid #16a34a;
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  text-align: center;
  margin-top: 1.5rem;
  animation: gs-slide-up .4s ease;
}
@keyframes gs-slide-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.la-score-icon { font-size: 3rem; margin-bottom: .75rem; }
.la-score-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -.03em;
  line-height: 1;
  margin-bottom: .625rem;
}
.la-score-msg {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* ── RESPONSIVE ───────────────────────────── */
@media (max-width: 1024px) {
  .la-hero-inner { grid-template-columns: 1fr; }
  .la-progress-card { max-width: 480px; }
  .la-tabs-wrap { top: 108px; }
}
@media (max-width: 768px) {
  .la-hero { padding: 2.25rem 0; }
  .la-hero-inner { gap: 1.5rem; }
  .la-progress-card { max-width: 100%; }
  .la-flashcards-grid { grid-template-columns: 1fr; }
  .la-info-grid { grid-template-columns: 1fr; }
  .la-tabs-wrap { top: 100px; }
  .la-content-card { padding: 1.5rem; }
  .la-fc { height: 210px; }
}
@media (max-width: 480px) {
  .la-hero { padding: 1.75rem 0; }
  .la-hero-left h2 { font-size: 1.5rem; }
  .la-tabs-wrap { top: 97px; }
  .la-content-card { padding: 1.25rem; }
  .la-content-card h3 { font-size: 1.175rem; }
  .la-quiz-footer { flex-direction: column; }
  .la-fc { height: 200px; }
  .la-fc-front p, .la-fc-back p { font-size: .8rem; }
  .la-stat-val { font-size: 1rem; }
  .la-fc-header, .la-quiz-header { padding: 1.25rem; }
}

/* === FIX BUTTON LAYOUT ISSUE === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn svg {
  display: inline-block;
}