/* Admin shell layout */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  background: linear-gradient(180deg, #1A0B34 0%, #2C0F49 60%, #4A1F70 100%);
  color: var(--text-invert);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar .brand {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 8px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.sidebar .brand img { height: 40px; width: auto; }
.sidebar .brand-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand-gold-light);
  line-height: 1.1;
}
.sidebar .brand-subtitle {
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
}
.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 12px;
}
.sidebar nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  color: rgba(255,255,255,0.78);
  font-weight: 500;
  transition: background .18s, color .18s;
}
.sidebar nav a:hover { background: rgba(255,255,255,0.07); color: #fff; }
.sidebar nav a.active {
  background: linear-gradient(135deg, var(--brand-gold) 0%, var(--brand-gold-strong) 100%);
  color: #2C0F49;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(255,193,7,0.35);
}

/* Sidebar footer Reset button */
.sidebar-reset {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 12px;
  margin-top: 12px;
  background: rgba(244, 130, 32, 0.14);
  border: 1px solid rgba(244, 130, 32, 0.5);
  color: var(--brand-orange-light);
  border-radius: 10px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .18s var(--ease);
}
.sidebar-reset:hover { background: rgba(244, 130, 32, 0.28); color: #fff; }
.sidebar nav a .ico { width: 18px; height: 18px; }
.sidebar .foot {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 11.5px;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
}
.sidebar .foot .event-name { color: var(--brand-gold-light); font-weight: 600; letter-spacing: .04em; }

.main {
  background: var(--bg);
  min-height: 100vh;
}
.topbar {
  height: var(--topbar-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(6px);
  position: sticky; top: 0; z-index: 5;
}
.topbar .page-title { display: flex; flex-direction: column; }
.topbar .page-title .crumb { font-size: 12px; color: var(--text-muted); letter-spacing: .06em; text-transform: uppercase; }
.topbar .page-title h1 { font-size: 20px; }
.topbar .lock-state { display: inline-flex; align-items: center; gap: 6px; }

.content {
  padding: 24px 28px 60px;
  max-width: 1400px;
  margin: 0 auto;
}

/* Stat cards */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 1024px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .stat-grid { grid-template-columns: 1fr; } }
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  position: relative;
  overflow: hidden;
}
.stat::after {
  content: "";
  position: absolute;
  right: -30px; top: -30px;
  width: 80px; height: 80px;
  background: radial-gradient(circle, rgba(255, 193, 7, 0.20), transparent 70%);
  border-radius: 50%;
}
.stat .label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; }
.stat .value { font-size: 30px; font-weight: 700; color: var(--brand-primary-dark); margin-top: 4px; font-variant-numeric: tabular-nums; }
.stat .sub { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

.quick-actions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 20px; }
@media (max-width: 1024px) { .quick-actions { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .quick-actions { grid-template-columns: 1fr; } }
.quick-actions .qa {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex; align-items: center; gap: 10px;
  transition: all .2s var(--ease);
  color: var(--text-primary);
  font-weight: 600;
}
.quick-actions .qa:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--brand-primary-soft); }
.quick-actions .qa.primary {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
  color: #fff; border-color: transparent;
}
.quick-actions .qa.gold {
  background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-strong));
  color: #2C0F49; border-color: transparent;
}

/* Section head */
.section-head { display: flex; align-items: end; justify-content: space-between; margin: 8px 0 16px; }
.section-head h2 { font-size: 20px; }
.section-head .sub { color: var(--text-muted); font-size: 13px; }

/* Sub-nav / tabs */
.tabs { display: inline-flex; padding: 4px; background: var(--surface-2); border-radius: var(--radius-pill); }
.tabs button {
  padding: 6px 14px; border-radius: 999px; border: none; background: transparent;
  color: var(--text-secondary); font-weight: 600; font-size: 13px;
}
.tabs button.on { background: var(--surface); color: var(--brand-primary); box-shadow: var(--shadow-sm); }

/* Toolbar row above table */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 12px; }
.toolbar .grow { flex: 1; min-width: 220px; }
.toolbar .input { width: 100%; }

/* Import preview boxes */
.classify-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }
@media (max-width: 900px) { .classify-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .classify-grid { grid-template-columns: 1fr; } }
.classify-box {
  padding: 14px; border-radius: 12px;
  background: var(--surface-2);
  display: flex; flex-direction: column; gap: 4px;
}
.classify-box .k { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }
.classify-box .v { font-size: 22px; font-weight: 700; color: var(--brand-primary-dark); font-variant-numeric: tabular-nums; }
.classify-box.ok { background: var(--success-soft); }
.classify-box.no { background: var(--danger-soft); }
.classify-box.warn { background: var(--warning-soft); }

/* Prize card grid */
.prize-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 900px) { .prize-grid { grid-template-columns: 1fr; } }
.prize-card {
  display: flex; gap: 16px; padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.prize-card .thumb {
  width: 92px; height: 92px; flex-shrink: 0;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--brand-primary-soft), var(--brand-gold-light));
  display: flex; align-items: center; justify-content: center;
  color: var(--brand-primary-dark);
  font-weight: 700; font-size: 22px;
}
.prize-card .body { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.prize-card h3 { font-size: 16px; }
.prize-card .reward { color: var(--brand-primary-dark); font-weight: 600; }
.prize-card .meta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }
.prize-card.disabled { opacity: 0.55; }
.prize-card .ribbon {
  position: absolute; top: 10px; right: -34px;
  transform: rotate(35deg);
  background: linear-gradient(135deg, var(--brand-orange), var(--brand-orange-strong));
  color: #fff; font-weight: 700; font-size: 11px;
  padding: 3px 40px; letter-spacing: .05em;
  box-shadow: 0 2px 8px rgba(244,130,32,0.35);
}

/* Draw admin panel */
.draw-panel { display: grid; grid-template-columns: 320px 1fr; gap: 20px; align-items: start; }
@media (max-width: 900px) { .draw-panel { grid-template-columns: 1fr; } }
.prize-list-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; border-radius: 10px;
  cursor: pointer;
  border: 1px solid transparent;
}
.prize-list-item:hover { background: var(--surface-2); }
.prize-list-item.on { border-color: var(--brand-primary); background: var(--surface-2); box-shadow: var(--shadow-sm); }
.prize-list-item.done { opacity: 0.6; }
.prize-list-item .name { font-weight: 600; }
.prize-list-item .remain { font-size: 12px; color: var(--text-muted); }

/* Lock banner */
.lock-banner {
  padding: 14px 18px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #1E8449 0%, #147038 100%);
  color: #fff;
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.lock-banner.unlocked {
  background: linear-gradient(135deg, #b35b12 0%, #7a3c05 100%);
}
.lock-banner .txt { flex: 1; }
.lock-banner .txt .sub { opacity: .8; font-size: 12px; }

/* Winner list card */
.winner-item {
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--surface-2);
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 8px;
}
.winner-item .no {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--brand-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-variant-numeric: tabular-nums;
}