/* ═══════════════════════════════════════════
   Past Question Papers — Frontend Styles
   Theme: Deep Midnight + Gold Accents
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;900&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --pqp-bg:         #0d0f1a;
  --pqp-surface:    #161929;
  --pqp-surface2:   #1e2235;
  --pqp-border:     rgba(255,255,255,.08);
  --pqp-gold:       #f5c842;
  --pqp-gold-dim:   rgba(245,200,66,.15);
  --pqp-cyan:       #4ecdc4;
  --pqp-red:        #ff6b6b;
  --pqp-text:       #e8eaf0;
  --pqp-muted:      #7a809a;
  --pqp-radius:     14px;
  --pqp-radius-sm:  8px;
  --pqp-shadow:     0 8px 32px rgba(0,0,0,.45);
  --pqp-glow:       0 0 24px rgba(245,200,66,.18);
}

/* ── Container ── */
.pqp-wrapper {
  font-family: 'DM Sans', sans-serif;
  background: var(--pqp-bg);
  color: var(--pqp-text);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--pqp-shadow);
  max-width: 960px;
  margin: 0 auto 40px;
}

/* ── Hero ── */
.pqp-hero {
  position: relative;
  background: linear-gradient(135deg, #0d0f1a 0%, #1a1040 50%, #0d1a2a 100%);
  padding: 56px 40px 90px;
  text-align: center;
  overflow: hidden;
}
.pqp-hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(78,205,196,.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(245,200,66,.10) 0%, transparent 50%);
  pointer-events: none;
}
.pqp-wave {
  position: absolute; bottom: 0; left: 0; right: 0;
}
.pqp-wave svg { display: block; width: 100%; height: 60px; }

.pqp-logo {
  max-height: 80px;
  margin-bottom: 16px;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,.4));
}
.pqp-logo-icon {
  font-size: 3.5rem;
  margin-bottom: 12px;
  display: block;
  animation: pqp-float 3s ease-in-out infinite;
}
@keyframes pqp-float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

.pqp-hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  margin: 0 0 12px;
  color: #fff;
  letter-spacing: -.01em;
  line-height: 1.15;
}
.pqp-hero-sub {
  color: rgba(255,255,255,.65);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto 20px;
  font-weight: 300;
  line-height: 1.6;
}
.pqp-hero-stat {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 100px;
  padding: 8px 20px;
  font-size: .85rem;
  color: rgba(255,255,255,.8);
}
.pqp-sep { opacity: .4; }

/* ── Search Panel ── */
.pqp-search-panel {
  background: var(--pqp-bg);
  padding: 32px 40px 36px;
}
.pqp-search-label {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--pqp-gold);
  margin-bottom: 20px;
}

.pqp-filters {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.pqp-filter-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--pqp-muted);
  margin-bottom: 8px;
}
.pqp-filter-icon { font-size: 1rem; }

.pqp-select-wrap {
  position: relative;
}
.pqp-select {
  width: 100%;
  background: var(--pqp-surface);
  border: 1.5px solid var(--pqp-border);
  border-radius: var(--pqp-radius-sm);
  color: var(--pqp-text);
  padding: 11px 36px 11px 14px;
  font-family: 'DM Sans', sans-serif;
  font-size: .95rem;
  appearance: none;
  cursor: pointer;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.pqp-select:focus {
  border-color: var(--pqp-gold);
  box-shadow: 0 0 0 3px var(--pqp-gold-dim);
}
.pqp-select:disabled {
  opacity: .45;
  cursor: not-allowed;
}
.pqp-select-arrow {
  position: absolute; right: 12px; top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--pqp-muted);
  font-size: .85rem;
}

/* ── Search Button ── */
.pqp-search-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--pqp-gold) 0%, #e8a825 100%);
  color: #0d0f1a;
  border: none;
  border-radius: var(--pqp-radius-sm);
  padding: 13px 32px;
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, opacity .15s;
  box-shadow: 0 4px 16px rgba(245,200,66,.35);
}
.pqp-search-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,200,66,.45);
}
.pqp-search-btn:active { transform: translateY(0); }
.pqp-btn-icon { font-size: 1.1rem; }

/* ── Loading ── */
.pqp-loading {
  text-align: center;
  padding: 40px;
  color: var(--pqp-muted);
}
.pqp-spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--pqp-surface2);
  border-top-color: var(--pqp-gold);
  border-radius: 50%;
  animation: pqp-spin .7s linear infinite;
  margin: 0 auto 12px;
}
@keyframes pqp-spin { to { transform: rotate(360deg); } }

/* ── Results Section ── */
.pqp-results-section {
  padding: 0 40px 32px;
}
.pqp-results-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pqp-border);
}
.pqp-results-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  margin: 0;
  color: #fff;
}
.pqp-results-count {
  background: var(--pqp-gold-dim);
  color: var(--pqp-gold);
  border: 1px solid rgba(245,200,66,.3);
  border-radius: 100px;
  padding: 3px 12px;
  font-size: .78rem;
  font-weight: 600;
}

.pqp-papers-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── Paper Card ── */
.pqp-paper-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--pqp-surface);
  border: 1px solid var(--pqp-border);
  border-radius: var(--pqp-radius);
  padding: 18px 20px;
  transition: border-color .2s, box-shadow .2s, transform .2s;
  animation: pqp-fadeIn .4s ease both;
}
.pqp-paper-card:hover {
  border-color: rgba(245,200,66,.3);
  box-shadow: var(--pqp-glow);
  transform: translateX(4px);
}
@keyframes pqp-fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.pqp-paper-icon {
  font-size: 2.2rem;
  flex-shrink: 0;
  width: 52px; height: 52px;
  background: var(--pqp-surface2);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.pqp-paper-meta { flex: 1; min-width: 0; }
.pqp-paper-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  margin: 0 0 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pqp-paper-info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.pqp-info-chip {
  background: var(--pqp-surface2);
  border: 1px solid var(--pqp-border);
  border-radius: 100px;
  padding: 3px 10px;
  font-size: .75rem;
  color: var(--pqp-muted);
}
.pqp-chip-year {
  color: var(--pqp-cyan);
  border-color: rgba(78,205,196,.25);
  background: rgba(78,205,196,.08);
}
.pqp-badge {
  border-radius: 4px;
  padding: 2px 8px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .05em;
}
.pqp-badge-pdf  { background: rgba(255,107,107,.15); color: var(--pqp-red); }
.pqp-badge-docx { background: rgba(78,132,205,.15);  color: #4e84cd; }

/* ── Download Button ── */
.pqp-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  border: 1.5px solid var(--pqp-gold);
  color: var(--pqp-gold);
  border-radius: var(--pqp-radius-sm);
  padding: 9px 18px;
  font-family: 'DM Sans', sans-serif;
  font-size: .88rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s, color .2s, transform .15s;
  flex-shrink: 0;
}
.pqp-download-btn:hover {
  background: var(--pqp-gold);
  color: #0d0f1a;
  transform: scale(1.04);
  text-decoration: none;
}
.pqp-dl-icon { font-size: 1rem; }

/* ── No Results ── */
.pqp-no-results {
  text-align: center;
  padding: 48px 20px;
  background: var(--pqp-surface);
  border-radius: var(--pqp-radius);
  border: 1px dashed var(--pqp-border);
}
.pqp-no-icon { font-size: 3rem; display: block; margin-bottom: 12px; }
.pqp-no-results p { margin: 4px 0; color: var(--pqp-muted); }
.pqp-no-sub { font-size: .85rem; }

/* ── BCSEA Banner ── */
.pqp-bcsea-banner {
  background: linear-gradient(135deg, #1a2a1a 0%, #0f1f0f 100%);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 24px 40px;
}
.pqp-bcsea-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.pqp-bcsea-text {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.pqp-bcsea-emoji { font-size: 2rem; flex-shrink: 0; }
.pqp-bcsea-text strong { display: block; color: #fff; font-size: 1rem; margin-bottom: 4px; }
.pqp-bcsea-text p { margin: 0; color: var(--pqp-muted); font-size: .85rem; }
.pqp-bcsea-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #2d7a2d;
  color: #fff;
  border-radius: var(--pqp-radius-sm);
  padding: 11px 22px;
  text-decoration: none;
  font-weight: 600;
  font-size: .9rem;
  white-space: nowrap;
  transition: background .2s, transform .15s;
  box-shadow: 0 4px 14px rgba(45,122,45,.4);
}
.pqp-bcsea-btn:hover {
  background: #3a9c3a;
  transform: translateY(-2px);
  text-decoration: none;
  color: #fff;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .pqp-hero         { padding: 40px 20px 80px; }
  .pqp-search-panel { padding: 24px 20px 28px; }
  .pqp-results-section { padding: 0 20px 24px; }
  .pqp-bcsea-banner { padding: 20px; }
  .pqp-paper-card   { flex-wrap: wrap; }
  .pqp-download-btn { width: 100%; justify-content: center; }
  .pqp-bcsea-inner  { flex-direction: column; align-items: flex-start; }
  .pqp-bcsea-btn    { width: 100%; justify-content: center; }
}