/* =============================================
   modules.css — MHT CET LAW Portal
   Study Modules Page Specific Styles
   ============================================= */

/* ── MODULES HERO ─────────────────────────── */
.modules-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 3.5rem 0 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.modules-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='0.04'%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;
}

.modules-hero-inner {
  position: relative;
  z-index: 1;
}

.modules-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 20px;
  padding: .35rem .9rem;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .02em;
  margin-bottom: 1.25rem;
}

.modules-hero h2 {
  font-size: clamp(1.875rem, 4vw, 2.625rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.15;
  margin-bottom: .875rem;
}

.modules-hero p {
  font-size: 1rem;
  opacity: .88;
  max-width: 580px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.modules-hero p strong { opacity: 1; font-weight: 700; }

.modules-hero-stats {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 12px;
  overflow: hidden;
  flex-wrap: wrap;
}

.mhs-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: .75rem 1.5rem;
}

.mhs-num {
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1;
}

.mhs-lbl {
  font-size: .68rem;
  opacity: .75;
  margin-top: .2rem;
  font-weight: 500;
  letter-spacing: .02em;
  white-space: nowrap;
}

.mhs-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,.2);
  flex-shrink: 0;
}

/* ── PROGRAMME TABS ───────────────────────── */
.programme-tabs-wrap {
  background: var(--background);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 116px; /* below header + nav */
  z-index: 198;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}

.programme-tabs {
  display: flex;
  gap: .75rem;
  padding: .875rem 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.programme-tabs::-webkit-scrollbar { display: none; }

.ptab {
  display: flex;
  align-items: center;
  gap: .875rem;
  padding: .875rem 1.25rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-family: inherit;
  transition: all .2s ease;
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 200px;
}

.ptab svg {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color .2s;
}

.ptab-title {
  display: block;
  font-size: .9375rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.ptab-sub {
  display: block;
  font-size: .72rem;
  color: var(--text-muted);
  margin-top: .1rem;
}

.ptab-badge {
  margin-left: auto;
  background: #eff6ff;
  color: var(--primary);
  border: 1px solid #bfdbfe;
  border-radius: 20px;
  padding: .2rem .65rem;
  font-size: .7rem;
  font-weight: 700;
  white-space: nowrap;
}

.ptab-badge-purple {
  background: #faf5ff;
  color: #7c3aed;
  border-color: #e9d5ff;
}

.ptab:hover {
  border-color: var(--primary);
  background: var(--background);
}

.ptab.active {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(37,99,235,.25);
}

.ptab.active .ptab-title,
.ptab.active .ptab-sub { color: #fff; }
.ptab.active svg { color: rgba(255,255,255,.85); }

.ptab.active .ptab-badge {
  background: rgba(255,255,255,.2);
  color: #fff;
  border-color: rgba(255,255,255,.3);
}

/* ── EXAM INFO BAR ────────────────────────── */
.exam-info-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: .875rem 1.25rem;
  margin: 1.75rem 0 2rem;
}

.eib-item {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-size: .8125rem;
  color: var(--text-secondary);
}

.eib-item svg {
  width: 15px;
  height: 15px;
  color: var(--primary);
  flex-shrink: 0;
}

.eib-item strong { color: var(--text-primary); }

/* ── MODULES PANEL ────────────────────────── */
.modules-panel {
  display: none;
  padding: 0 0 3.5rem;
}
.modules-panel.active { display: block; }

/* ── MODULES GRID ─────────────────────────── */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

/* ── MODULE CARD ──────────────────────────── */
.mod-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow .25s, transform .25s, border-color .25s;
  display: flex;
  flex-direction: column;
}

.mod-card.unlocked:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: rgba(37,99,235,.2);
}

.mod-card.locked {
  opacity: .92;
}

.mod-card.locked:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Header */
.mod-header {
  padding: 1.625rem 1.5rem 1.25rem;
  color: #fff;
  position: relative;
}

.mod-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.mod-num {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  opacity: .8;
}

.mod-status {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .2rem .6rem;
  border-radius: 20px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.mod-status.open {
  background: rgba(22, 163, 74, .2);
  color: #bbf7d0;
  border: 1px solid rgba(22,163,74,.3);
}

.mod-status.locked-badge {
  background: rgba(0,0,0,.2);
  color: rgba(255,255,255,.75);
  border: 1px solid rgba(255,255,255,.15);
}

.mod-icon-wrap {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,.18);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: .875rem;
}

.mod-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: .35rem;
  letter-spacing: -.01em;
}

.mod-header p {
  font-size: .8rem;
  opacity: .8;
  line-height: 1.5;
}

.mod-qs-badge {
  display: inline-block;
  margin-top: .875rem;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 20px;
  padding: .25rem .75rem;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .01em;
}

.exclusive-badge { background: rgba(255,255,255,.22); }

/* Body */
.mod-body {
  padding: 1.375rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 1rem;
}

.mod-stats-row {
  display: flex;
  gap: .5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.ms-item {
  flex: 1;
  text-align: center;
  padding: .625rem .5rem;
  background: var(--surface);
  border-radius: var(--radius);
}

.ms-val {
  display: block;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -.02em;
  line-height: 1.1;
}

.ms-lbl {
  display: block;
  font-size: .68rem;
  color: var(--text-muted);
  margin-top: .2rem;
  font-weight: 500;
}

.mod-topics { flex: 1; }

.mod-topics-label {
  font-size: .775rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: .625rem;
}

.mod-topics ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.mod-topics li {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-size: .8125rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Actions */
.mod-actions { margin-top: auto; }

.btn-lock {
  background: var(--surface-2);
  color: var(--text-secondary);
  border: 1.5px dashed var(--border);
  transition: all .2s;
}

.btn-lock:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  border-style: solid;
}

/* ── RESPONSIVE ───────────────────────────── */
@media (max-width: 1024px) {
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .programme-tabs-wrap { top: 108px; }
}

@media (max-width: 768px) {
  .modules-hero { padding: 2.75rem 0 2.25rem; }
  .modules-hero h2 { font-size: 1.75rem; }
  .mhs-divider { display: none; }
  .mhs-stat { padding: .625rem 1rem; }
  .modules-hero-stats { border-radius: 10px; }

  .programme-tabs-wrap { top: 100px; position: static; }
  .programme-tabs { flex-direction: column; padding: .75rem 0; }
  .ptab { min-width: unset; width: 100%; }

  .exam-info-bar { flex-direction: column; gap: .625rem; }
  .modules-grid { grid-template-columns: 1fr; gap: 1.25rem; }
}

@media (max-width: 480px) {
  .modules-hero { padding: 2rem 0 1.75rem; }
  .modules-hero p { font-size: .875rem; }
  .mod-header { padding: 1.375rem 1.25rem 1rem; }
  .mod-body { padding: 1.125rem 1.25rem 1.25rem; }
  .mod-header h3 { font-size: 1rem; }
  .ms-val { font-size: 1rem; }
  .programme-tabs-wrap { top: 97px; }
}