:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(12, 21, 39, 0.92);
  --panel-2: rgba(17, 28, 51, 0.96);
  --card: #0d1729;
  --muted: #9fb1cc;
  --text: #ecf3ff;
  --line: rgba(133, 154, 192, 0.18);
  --accent: #6c7cff;
  --accent-2: #28d7a5;
  --danger: #ff6b81;
  --warning: #ffcb6b;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
  --radius: 18px;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #eef3fb;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-2: rgba(255, 255, 255, 0.98);
  --card: #ffffff;
  --muted: #5f6d82;
  --text: #10223d;
  --line: rgba(16, 34, 61, 0.12);
  --shadow: 0 18px 48px rgba(39, 56, 89, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(108, 124, 255, 0.18), transparent 35%),
    radial-gradient(circle at top right, rgba(40, 215, 165, 0.15), transparent 30%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.shell {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand-badge {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  box-shadow: 0 12px 30px rgba(108, 124, 255, 0.35);
  font-size: 1.35rem;
}
.brand h1, .brand h2, .brand p { margin: 0; }
.brand small { color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  padding: 12px 16px;
  border-radius: 14px;
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(108,124,255,0.36); }
.btn.primary { background: linear-gradient(135deg, var(--accent), #8b5cf6); }
.btn.ghost { background: transparent; border-color: var(--line); }
.btn.danger { background: rgba(255, 107, 129, 0.12); color: #ffd5dc; border-color: rgba(255, 107, 129, 0.25); }
.btn.small { padding: 9px 12px; border-radius: 12px; font-size: 0.92rem; }

.grid {
  display: grid;
  gap: 18px;
}
.cards { grid-template-columns: repeat(12, minmax(0, 1fr)); margin-bottom: 18px; }
.card {
  grid-column: span 3;
  background: linear-gradient(180deg, rgba(21, 33, 59, 0.9), rgba(11, 20, 36, 0.95));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.card .label { color: var(--muted); font-size: 0.92rem; margin-bottom: 8px; }
.card .value { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; }
.card .sub { color: var(--muted); margin-top: 8px; font-size: 0.93rem; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 18px;
  box-shadow: var(--shadow);
}
.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.panel-header h2, .panel-header h3 { margin: 0; }
.panel-header p { margin: 6px 0 0; color: var(--muted); }

.filters {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 0.8fr auto;
  gap: 12px;
  margin-bottom: 16px;
}
.input, .select, .textarea {
  width: 100%;
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  outline: none;
}
.textarea { min-height: 180px; resize: vertical; }
.input:focus, .select:focus, .textarea:focus { border-color: rgba(108,124,255,0.6); box-shadow: 0 0 0 4px rgba(108,124,255,0.14); }

.table-wrap {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--line);
}
.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 920px;
  background: rgba(6, 13, 24, 0.35);
}
.table th, .table td {
  padding: 14px 14px;
  border-bottom: 1px solid rgba(133, 154, 192, 0.1);
  text-align: left;
  vertical-align: top;
}
.table th {
  background: rgba(255,255,255,0.03);
  color: #c8d7ef;
  font-size: 0.92rem;
}
.table tbody tr:hover { background: rgba(108,124,255,0.07); }
.table .muted { color: var(--muted); }
.table .thumb {
  width: 72px;
  height: 48px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}
.table .title-cell {
  font-weight: 700;
  margin-bottom: 4px;
}
.table .meta { color: var(--muted); font-size: 0.88rem; }

.flash {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 16px;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.flash.success { background: rgba(40, 215, 165, 0.12); border-color: rgba(40,215,165,0.25); color: #bff7e7; }
.flash.error { background: rgba(255, 107, 129, 0.12); border-color: rgba(255,107,129,0.25); color: #ffd3da; }
.flash .dot { width: 10px; height: 10px; border-radius: 50%; background: currentColor; flex: 0 0 auto; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}
.form-grid .span-6 { grid-column: span 6; }
.form-grid .span-12 { grid-column: span 12; }
.form-grid .span-4 { grid-column: span 4; }
.form-grid .span-8 { grid-column: span 8; }
.help { color: var(--muted); font-size: 0.9rem; margin-top: 8px; }
.preview-box {
  border: 1px dashed rgba(133, 154, 192, 0.35);
  border-radius: 18px;
  padding: 14px;
  background: rgba(255,255,255,0.02);
}
.preview-box img {
  display: block;
  width: 100%;
  max-height: 240px;
  object-fit: cover;
  border-radius: 14px;
  margin-top: 10px;
}

.pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-top: 16px;
}
.pager .pages { display: flex; flex-wrap: wrap; gap: 8px; }
.pager .page {
  min-width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}
.pager .page.active { background: linear-gradient(135deg, var(--accent), #8b5cf6); border-color: transparent; }

.empty {
  text-align: center;
  padding: 42px 20px;
  color: var(--muted);
}
.empty strong { color: var(--text); display: block; margin-bottom: 6px; }

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}
.login-card {
  width: min(480px, 100%);
  background: linear-gradient(180deg, rgba(15, 25, 46, 0.96), rgba(7, 13, 24, 0.98));
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow);
  padding: 28px;
}
.login-card h1 { margin: 10px 0 8px; }
.login-card p { margin: 0 0 18px; color: var(--muted); }
.login-card .actions { justify-content: space-between; align-items: center; }
.small-note { color: var(--muted); font-size: 0.9rem; }
.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--muted);
  user-select: none;
}
.switch input { accent-color: var(--accent); }

@media (max-width: 960px) {
  .card { grid-column: span 6; }
  .filters { grid-template-columns: 1fr 1fr; }
  .form-grid .span-6, .form-grid .span-8, .form-grid .span-4 { grid-column: span 12; }
}

@media (max-width: 720px) {
  .topbar, .panel-header, .pager { flex-direction: column; align-items: stretch; }
  .card { grid-column: span 12; }
  .filters { grid-template-columns: 1fr; }
  .shell { width: min(100% - 20px, 1240px); }
  .panel { padding: 16px; }
}