:root {
  --bg: #f3efe4;
  --bg-strong: #faf6ec;
  --ink: #18211f;
  --muted: #5f6761;
  --line: rgba(24, 33, 31, 0.12);
  --card: rgba(255, 251, 244, 0.88);
  --card-strong: rgba(255, 255, 255, 0.92);
  --accent: #b44f31;
  --accent-deep: #8f341d;
  --accent-soft: rgba(180, 79, 49, 0.1);
  --success: #1c7657;
  --warning: #b37d18;
  --danger: #a12d1a;
  --shadow: 0 26px 70px rgba(86, 63, 39, 0.14);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 0% 0%, rgba(235, 195, 152, 0.44), transparent 30%),
    radial-gradient(circle at 100% 0%, rgba(50, 90, 75, 0.18), transparent 28%),
    linear-gradient(180deg, #f8f2e6 0%, #efe6d7 100%);
}

.aurora {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.62), transparent 24%),
    radial-gradient(circle at 82% 10%, rgba(180, 79, 49, 0.12), transparent 18%);
}

.shell {
  position: relative;
  max-width: 1500px;
  margin: 0 auto;
  padding: 30px 24px 40px;
}

.hero,
.panel,
.summary-card,
.toolbar,
.status-banner,
.mini-panel,
.auth-card {
  backdrop-filter: blur(16px);
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 420px);
  gap: 28px;
  padding: 32px;
  border-radius: calc(var(--radius-lg) + 4px);
}

.eyebrow,
.panel-kicker,
.summary-label,
.card-kicker {
  margin: 0 0 10px;
  color: var(--accent-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero h1,
.panel h2,
.auth-card h2,
.mini-panel h3 {
  margin: 0;
  font-family: "Aptos Display", "Segoe UI", sans-serif;
  letter-spacing: -0.03em;
}

.hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.8rem);
  line-height: 0.96;
}

.hero-text,
.card-text,
.gate-message {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 780px;
  margin: 18px 0 0;
  font-size: 16px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-points span,
.badge,
.preview-cap {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: rgba(255, 255, 255, 0.7);
  color: var(--accent-deep);
  border: 1px solid rgba(180, 79, 49, 0.12);
}

.hero-side {
  display: flex;
  align-items: stretch;
}

.auth-card {
  width: 100%;
  padding: 24px;
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(248, 238, 227, 0.92));
}

.auth-card.hidden {
  display: none;
}

.stack-form,
.filter-group label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stack-form {
  gap: 14px;
}

.stack-form.compact {
  gap: 12px;
}

.stack-form span,
.filter-group span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.session-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 20px 0;
}

.session-stats div {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(24, 33, 31, 0.07);
}

.session-stats dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.session-stats dd {
  margin: 8px 0 0;
  font-size: 1.1rem;
  font-weight: 700;
}

input,
select,
button,
textarea {
  font: inherit;
}

input,
select {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
}

input:focus,
select:focus {
  outline: none;
  border-color: rgba(180, 79, 49, 0.55);
  box-shadow: 0 0 0 4px rgba(180, 79, 49, 0.12);
}

.hero-buttons,
.toolbar-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  min-height: 46px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  color: #fff7f2;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  box-shadow: 0 14px 28px rgba(143, 52, 29, 0.22);
}

.btn-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(24, 33, 31, 0.08);
}

.btn-ghost {
  color: var(--muted);
  background: transparent;
  border: 1px dashed rgba(24, 33, 31, 0.16);
}

.btn-danger {
  color: #fff6f4;
  background: linear-gradient(135deg, #c9583b 0%, #972918 100%);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.summary-card {
  padding: 22px 22px 18px;
  border-radius: var(--radius-md);
}

.summary-card strong {
  display: block;
  font-family: "Aptos Display", "Segoe UI", sans-serif;
  font-size: clamp(1.8rem, 2.6vw, 2.8rem);
  letter-spacing: -0.04em;
}

.summary-card small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.summary-card.accent {
  background: linear-gradient(135deg, rgba(180, 79, 49, 0.94), rgba(123, 43, 25, 0.96));
  color: #fff7f2;
}

.summary-card.accent .summary-label,
.summary-card.accent small {
  color: rgba(255, 247, 242, 0.86);
}

.status-banner {
  margin-top: 16px;
  border-radius: var(--radius-md);
  padding: 14px 18px;
}

.status-banner.hidden,
.hidden {
  display: none !important;
}

.status-banner.info {
  background: rgba(255, 252, 246, 0.88);
}

.status-banner.success {
  background: rgba(28, 118, 87, 0.12);
  color: #15503b;
}

.status-banner.error {
  background: rgba(180, 79, 49, 0.14);
  color: #7a2816;
}

.panel {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.panel-head,
.mini-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
}

.panel-head {
  padding: 22px 24px 16px;
}

.mini-panel-head {
  margin-bottom: 14px;
}

.table-hint {
  color: var(--muted);
  font-size: 14px;
}

.gate-panel,
.admin-panel,
.toolbar,
.workspace {
  margin-top: 20px;
}

.gate-panel {
  padding: 6px 0 24px;
}

.gate-message {
  padding: 0 24px 8px;
}

.admin-panel {
  padding-bottom: 24px;
}

.admin-grid {
  display: grid;
  grid-template-columns: 1.1fr repeat(3, minmax(240px, 0.85fr));
  gap: 16px;
  padding: 0 24px;
}

.mini-panel {
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--card-strong);
}

.admin-list-panel {
  min-height: 100%;
}

.admin-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.admin-empty {
  margin: 0;
  color: var(--muted);
}

.admin-item {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(244, 237, 226, 0.9);
  border: 1px solid rgba(24, 33, 31, 0.08);
}

.admin-item-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.admin-item strong {
  font-size: 1.02rem;
}

.admin-item dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 10px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.admin-item dt {
  font-weight: 700;
}

.toolbar {
  padding: 18px;
  border-radius: var(--radius-md);
  display: flex;
  gap: 18px;
  justify-content: space-between;
  align-items: end;
}

.filter-group {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr 1fr 0.9fr;
  gap: 12px;
  flex: 1;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(360px, 0.95fr);
  gap: 20px;
}

.table-wrap {
  overflow: auto;
  border-top: 1px solid rgba(24, 33, 31, 0.08);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

th,
td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(24, 33, 31, 0.07);
  vertical-align: top;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: rgba(249, 245, 235, 0.96);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

tbody tr {
  transition: background 0.18s ease;
}

tbody tr:hover {
  background: rgba(180, 79, 49, 0.05);
}

tbody tr.is-active {
  background: rgba(180, 79, 49, 0.1);
}

.check-col {
  width: 44px;
}

.empty-cell {
  color: var(--muted);
  text-align: center;
  padding: 42px 24px;
}

.pill,
.type-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.pill {
  background: rgba(24, 33, 31, 0.06);
  color: var(--ink);
}

.pill.imported {
  background: rgba(179, 125, 24, 0.14);
  color: #7f5b09;
}

.pill.registered {
  background: rgba(28, 118, 87, 0.14);
  color: #15503b;
}

.pill.unknown {
  background: rgba(180, 79, 49, 0.14);
  color: #7c2917;
}

.type-chip {
  background: rgba(24, 33, 31, 0.06);
  color: var(--muted);
}

.type-chip.child {
  background: rgba(180, 79, 49, 0.1);
  color: var(--accent-deep);
}

.row-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.row-actions button,
.row-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(24, 33, 31, 0.08);
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
}

.row-actions .delete-btn {
  color: #8a2515;
}

.preview-panel {
  display: grid;
  grid-template-rows: auto auto minmax(280px, 1fr);
}

.preview-meta {
  padding: 0 24px 16px;
  border-top: 1px solid rgba(24, 33, 31, 0.08);
  border-bottom: 1px solid rgba(24, 33, 31, 0.08);
  background: rgba(255, 255, 255, 0.54);
}

.preview-meta dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 10px 12px;
  margin: 16px 0;
}

.preview-meta dt {
  color: var(--muted);
  font-weight: 700;
}

.preview-meta dd {
  margin: 0;
  word-break: break-word;
}

.preview-empty {
  margin: 16px 0;
  color: var(--muted);
}

.preview-content {
  margin: 0;
  padding: 20px 24px 24px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 13px;
  line-height: 1.55;
  background: rgba(32, 37, 35, 0.95);
  color: #f4f0e6;
  min-height: 280px;
}

@media (max-width: 1260px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .summary-grid,
  .admin-grid,
  .workspace {
    grid-template-columns: 1fr;
  }

  .filter-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 760px) {
  .shell {
    padding: 16px 14px 28px;
  }

  .hero,
  .summary-card,
  .toolbar,
  .panel,
  .mini-panel,
  .auth-card {
    border-radius: 20px;
  }

  .hero {
    padding: 22px;
  }

  .summary-grid,
  .admin-grid {
    gap: 14px;
  }

  .filter-group {
    grid-template-columns: 1fr;
  }

  .panel-head,
  .hero-buttons,
  .toolbar-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .session-stats {
    grid-template-columns: 1fr;
  }
}