:root {
  --bg: #0b0f14;
  --panel: #111820;
  --panel-2: #17202a;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.22);
  --text: #f4f7fb;
  --muted: #9aa7b5;
  --soft: #d7dde6;
  --accent: #3dffc0;
  --gold: #f6c863;
  --danger: #ff7575;
  --warn: #ffb84d;
  --success: #3dffc0;
  --radius: 8px;
  --shadow: 0 24px 72px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(3, 8, 14, 0.38), rgba(3, 8, 14, 0.92)),
    url("/assets/gdf2026/hero_bg.png") center top / cover fixed,
    var(--bg);
}

body.registration-embed {
  background: #0d0f11;
}

body.registration-embed .page-frame {
  width: 100%;
  padding: 22px;
}

body.registration-embed .form-panel {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

body.registration-embed .section-title {
  font-size: 16px;
}

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

.page-frame {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 64px;
}

.top-brand {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
}

.brand-logo {
  display: block;
  width: 168px;
  height: auto;
}

.top-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.link-button,
.button,
button.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 0 15px;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.16s ease, background 0.16s ease, opacity 0.16s ease;
}

.button:hover,
.link-button:hover {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.09);
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #06130f;
  font-weight: 700;
}

.button-primary:hover { background: #66ffd0; }
.button-danger { border-color: rgba(255, 117, 117, 0.48); color: var(--danger); }
.button-full { width: 100%; }

.layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
  gap: 28px;
  align-items: start;
}

.intro-panel,
.form-panel,
.surface-panel {
  border: 1px solid var(--line);
  background: rgba(12, 18, 24, 0.92);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.intro-panel { padding: 28px; position: sticky; top: 24px; }
.form-panel, .surface-panel { padding: 28px; }

.eyebrow {
  margin: 0 0 9px;
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
}

h1, h2, h3, p { margin-top: 0; }

.page-title {
  margin-bottom: 12px;
  font-size: 34px;
  line-height: 1.16;
  letter-spacing: 0;
}

.lead {
  color: var(--soft);
  line-height: 1.75;
  margin-bottom: 22px;
}

.meta-list {
  display: grid;
  gap: 10px;
  margin: 24px 0;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--soft);
}

.meta-row span:first-child { color: var(--muted); }
.meta-row strong { color: var(--text); font-weight: 700; text-align: right; }

.sponsor-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 22px;
}

.sponsor-strip img {
  width: 100%;
  max-height: 46px;
  object-fit: contain;
  padding: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius);
}

.section-title {
  margin: 0 0 16px;
  font-size: 19px;
  letter-spacing: 0;
}

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

.field { margin-bottom: 14px; }

label {
  display: block;
  margin-bottom: 6px;
  color: var(--soft);
  font-size: 13px;
  font-weight: 600;
}

.required { color: var(--danger); }

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(5, 9, 13, 0.76);
  color: var(--text);
  padding: 10px 12px;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(61, 255, 192, 0.5);
  box-shadow: 0 0 0 3px rgba(61, 255, 192, 0.1);
}

select { color: var(--text); }

.form-divider {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 22px 0;
}

.summary-card {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--soft);
}

.summary-row strong { color: var(--text); }
.summary-total strong { color: var(--accent); font-size: 20px; }

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.14);
}

.check-row input { width: 16px; min-height: 16px; margin-top: 2px; accent-color: var(--accent); }
.check-row label { margin: 0; line-height: 1.55; font-weight: 500; }

.attendee-list {
  display: grid;
  gap: 12px;
}

.attendee-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}

.attendee-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
}

.remove-button {
  border: 0;
  background: transparent;
  color: var(--danger);
  cursor: pointer;
}

.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }

.notice,
.errors {
  margin-bottom: 18px;
  border-radius: var(--radius);
  padding: 13px 14px;
  line-height: 1.6;
}

.notice { border: 1px solid rgba(61, 255, 192, 0.3); background: rgba(61, 255, 192, 0.08); color: var(--success); }
.errors { border: 1px solid rgba(255, 117, 117, 0.38); background: rgba(255, 117, 117, 0.08); color: #ffd5d5; }
.errors ul { margin: 0; padding-left: 18px; }

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--soft);
  font-size: 12px;
  font-weight: 700;
}

.status-badge.is-success { border-color: rgba(61, 255, 192, 0.42); color: var(--success); background: rgba(61, 255, 192, 0.08); }
.status-badge.is-warn { border-color: rgba(255, 184, 77, 0.42); color: var(--warn); background: rgba(255, 184, 77, 0.08); }
.status-badge.is-danger { border-color: rgba(255, 117, 117, 0.42); color: var(--danger); background: rgba(255, 117, 117, 0.08); }

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

th,
td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.admin-frame {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 26px 0 60px;
}

.admin-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.stat-card {
  border: 1px solid var(--line);
  background: rgba(12, 18, 24, 0.92);
  border-radius: var(--radius);
  padding: 16px;
}

.stat-card span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 7px; }
.stat-card strong { font-size: 24px; }

.filter-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 18px;
}

@media (max-width: 920px) {
  .layout-grid { grid-template-columns: 1fr; }
  .intro-panel { position: static; }
  .field-grid, .stats-grid, .filter-grid { grid-template-columns: 1fr; }
  .top-brand, .admin-nav { align-items: flex-start; flex-direction: column; }
  .sponsor-strip { grid-template-columns: 1fr; }
}

body.admin-page {
  --admin-bg: #f3f5f9;
  --admin-surface: rgba(255, 255, 255, 0.92);
  --admin-surface-strong: #ffffff;
  --admin-line: #d9e0ec;
  --admin-line-soft: #e7ebf3;
  --admin-text: #0f172a;
  --admin-muted: #64748b;
  --admin-blue: #2563eb;
  --admin-green: #16a34a;
  --admin-amber: #d97706;
  --admin-red: #dc2626;
  --admin-shadow: 0 20px 48px rgba(15, 23, 42, 0.08);
  --admin-radius: 26px;
  color: var(--admin-text);
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 28%),
    radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.08), transparent 24%),
    var(--admin-bg);
}

.admin-page a { color: inherit; text-decoration: none; }

.admin-app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 318px minmax(0, 1fr);
}

.admin-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 28px 18px;
  background: linear-gradient(180deg, rgba(255,255,255,.94), rgba(248,250,252,.98));
  border-right: 1px solid rgba(148, 163, 184, 0.18);
  backdrop-filter: blur(18px);
}

.brand-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 4px 4px 18px;
  margin-bottom: 18px;
}

.brand-copy small {
  display: block;
  color: #94a3b8;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
  line-height: 1.45;
  margin-bottom: 7px;
}

.brand-copy strong {
  display: block;
  color: var(--admin-text);
  font-size: 20px;
  line-height: 1.25;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.sidebar-group {
  display: grid;
  gap: 6px;
  margin-bottom: 24px;
}

.sidebar-label {
  padding: 8px 10px;
  color: #64748b;
  font-size: 12px;
  font-weight: 800;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 12px 14px;
  border-radius: 17px;
  color: #334155;
  transition: background .16s ease, color .16s ease, transform .16s ease;
}

.sidebar-link:hover {
  background: rgba(37, 99, 235, 0.07);
  color: var(--admin-text);
  transform: translateX(2px);
}

.sidebar-link.is-active {
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.13), rgba(37, 99, 235, 0.09));
  color: #1d4ed8;
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.08);
}

.sidebar-link.is-active .sidebar-badge {
  border-color: rgba(37, 99, 235, 0.16);
  color: #1d4ed8;
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.04);
}

.sidebar-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sidebar-link span {
  flex: 1;
  min-width: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0;
}

.sidebar-badge {
  min-width: 108px;
  padding: 4px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(148, 163, 184, 0.22);
  color: #475569;
  font-size: 14px;
  font-weight: 800;
  text-align: center;
}

.admin-stage {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.stage-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 26px 38px 18px;
}

.stage-heading {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.stage-back {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(255,255,255,.76);
  display: grid;
  place-items: center;
  color: #94a3b8;
  font-size: 34px;
  line-height: 1;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
}

.stage-heading small {
  display: block;
  color: #94a3b8;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.stage-heading h1 {
  margin: 0;
  color: var(--admin-text);
  font-size: 40px;
  line-height: 1.08;
  letter-spacing: 0;
}

.stage-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.tool-link,
.tool-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 16px;
  font-weight: 800;
}

.tool-link {
  padding: 0 18px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(255,255,255,.76);
  color: #334155;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
}

.tool-avatar {
  width: 48px;
  background: linear-gradient(135deg, #0f172a, #1d4ed8);
  color: #fff;
  box-shadow: 0 16px 28px rgba(29, 78, 216, 0.2);
}

.stage-content {
  min-width: 0;
  padding: 0 38px 38px;
}

.dashboard-stack {
  display: grid;
  gap: 20px;
}

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

.metric-card,
.surface-card {
  border: 1px solid rgba(217, 224, 236, 0.76);
  background: var(--admin-surface);
  box-shadow: var(--admin-shadow);
  backdrop-filter: blur(18px);
}

.metric-card {
  min-height: 168px;
  padding: 26px 28px;
  border-radius: 26px;
}

.metric-label {
  color: #64748b;
  font-size: 14px;
  font-weight: 800;
}

.metric-value {
  margin-top: 18px;
  color: var(--admin-text);
  font-size: 48px;
  line-height: 1;
  letter-spacing: 0;
  font-weight: 900;
}

.metric-note {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 800;
}

.note-blue { color: var(--admin-blue); }
.note-green { color: var(--admin-green); }
.note-amber { color: var(--admin-amber); }
.note-red { color: var(--admin-red); }

.chart-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, .96fr);
  gap: 20px;
}

.surface-card {
  min-width: 0;
  border-radius: var(--admin-radius);
}

.surface-card > .card-head,
.surface-card > .card-body {
  min-width: 0;
  padding: 28px 30px;
}

.surface-card > .card-head {
  border-bottom: 1px solid rgba(231, 235, 243, 0.86);
}

.chart-card > .card-head {
  border-bottom: 0;
  padding-bottom: 10px;
}

.section-kicker {
  display: inline-flex;
  margin-bottom: 10px;
  color: #94a3b8;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.admin-page .section-title {
  margin: 0;
  color: var(--admin-text);
  font-size: 28px;
  line-height: 1.14;
  letter-spacing: 0;
}

.section-desc {
  margin: 12px 0 0;
  color: var(--admin-muted);
  font-size: 14px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.chart-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.donut-wrap {
  display: grid;
  justify-items: center;
}

.donut {
  width: 250px;
  aspect-ratio: 1;
  border-radius: 50%;
  position: relative;
  display: grid;
  place-items: center;
}

.donut::before {
  content: "";
  width: 122px;
  height: 122px;
  border-radius: 50%;
  background: rgba(255,255,255,.96);
  box-shadow: inset 0 0 0 1px rgba(226, 232, 240, 0.9);
}

.donut-label {
  position: absolute;
  display: grid;
  gap: 5px;
  text-align: center;
}

.donut-label strong {
  color: var(--admin-text);
  font-size: 40px;
  line-height: 1;
  letter-spacing: 0;
  font-weight: 900;
}

.donut-label span {
  color: var(--admin-muted);
  font-size: 13px;
  font-weight: 800;
}

.legend-list {
  display: grid;
  gap: 14px;
}

.legend-item {
  display: grid;
  gap: 9px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(248, 250, 252, .82);
  border: 1px solid rgba(226, 232, 240, .92);
}

.legend-head {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--admin-text);
  font-weight: 800;
}

.legend-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-meter {
  height: 9px;
  border-radius: 999px;
  background: rgba(226, 232, 240, .92);
  overflow: hidden;
}

.legend-fill {
  height: 100%;
  min-width: 3px;
  border-radius: inherit;
}

.legend-value {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--admin-muted);
  font-size: 13px;
  line-height: 1.45;
}

.list-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.list-summary {
  flex-shrink: 0;
  min-width: 180px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(37, 99, 235, 0.07);
  border: 1px solid rgba(37, 99, 235, 0.12);
  text-align: right;
}

.list-summary strong {
  display: block;
  color: var(--admin-blue);
  font-size: 18px;
  line-height: 1.2;
}

.list-summary span {
  display: block;
  margin-top: 4px;
  color: var(--admin-muted);
  font-size: 12px;
  font-weight: 800;
}

.admin-page label {
  display: block;
  margin-bottom: 8px;
  color: #475569;
  font-size: 13px;
  font-weight: 800;
}

.admin-page input,
.admin-page select,
.admin-page textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid #d8dee9;
  border-radius: 16px;
  background: #fff;
  color: var(--admin-text);
  padding: 12px 14px;
}

.admin-page input:focus,
.admin-page select:focus,
.admin-page textarea:focus {
  outline: none;
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.admin-page .filter-grid {
  display: grid;
  grid-template-columns: minmax(260px, 2fr) minmax(180px, 1fr) minmax(180px, 1fr) auto;
  align-items: end;
  gap: 12px;
  margin-bottom: 20px;
}

.admin-page .button,
.admin-page .link-button {
  min-height: 46px;
  border-radius: 16px;
  border-color: rgba(148, 163, 184, 0.22);
  background: rgba(255, 255, 255, 0.86);
  color: #334155;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
}

.admin-page .button-primary {
  border-color: transparent;
  background: linear-gradient(135deg, #0f172a, #1d4ed8);
  color: #fff;
}

.admin-page .button-subtle {
  background: rgba(226, 232, 240, 0.82);
  color: #1e293b;
}

.admin-page select:disabled {
  color: #64748b;
  background: rgba(248, 250, 252, 0.88);
  cursor: not-allowed;
}

.registrations-card > .card-head {
  border-bottom: 0;
  padding-bottom: 18px;
}

.admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.admin-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 15px;
  font-weight: 900;
  background: rgba(226, 232, 240, 0.82);
  color: #1e293b;
}

.admin-tab.is-active {
  background: linear-gradient(135deg, #0f172a, #1d4ed8);
  color: #fff;
}

.admin-tab.is-disabled {
  color: #334155;
}

.registration-filter-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.7fr) repeat(5, minmax(130px, 1fr)) auto auto;
  align-items: end;
  gap: 12px;
  margin-bottom: 22px;
}

.registration-filter-grid .button {
  min-width: 128px;
  white-space: nowrap;
}

.registration-table-wrap table {
  min-width: 1160px;
}

.admin-page .table-wrap {
  max-width: 100%;
  min-width: 0;
  overflow: auto;
  border: 1px solid rgba(231, 235, 243, 0.9);
  border-radius: 22px;
  background: rgba(255,255,255,.75);
}

.admin-page table {
  width: 100%;
  border-collapse: collapse;
  min-width: 920px;
}

.admin-page th,
.admin-page td {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(231, 235, 243, 0.92);
  text-align: left;
  vertical-align: top;
  color: var(--admin-text);
  font-size: 14px;
}

.admin-page th {
  color: #64748b;
  background: rgba(248, 250, 252, 0.85);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.admin-page tbody tr:hover {
  background: rgba(248, 250, 252, 0.7);
}

.admin-page .muted { color: var(--admin-muted); }

.admin-page .status-badge {
  min-height: 30px;
  border-color: rgba(148, 163, 184, 0.2);
  background: #edf2fb;
  color: #1a376f;
}

.admin-page .status-badge.is-success {
  border-color: rgba(22, 163, 74, 0.2);
  background: rgba(34, 197, 94, 0.12);
  color: #15803d;
}

.admin-page .status-badge.is-warn {
  border-color: rgba(245, 158, 11, 0.24);
  background: rgba(245, 158, 11, 0.14);
  color: #b45309;
}

.admin-page .status-badge.is-danger {
  border-color: rgba(239, 68, 68, 0.22);
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
}

.admin-page .page-frame,
.admin-page .admin-frame {
  color: var(--admin-text);
}

.admin-page .admin-nav {
  align-items: center;
  margin-bottom: 20px;
}

.admin-page .eyebrow {
  color: #94a3b8;
}

.admin-page .page-title {
  color: var(--admin-text);
  letter-spacing: 0;
}

.admin-page .surface-panel {
  border: 1px solid rgba(217, 224, 236, 0.76);
  background: var(--admin-surface);
  color: var(--admin-text);
  box-shadow: var(--admin-shadow);
  border-radius: var(--admin-radius);
  backdrop-filter: blur(18px);
}

.admin-page .summary-card {
  border-color: rgba(226, 232, 240, 0.92);
  background: rgba(248, 250, 252, 0.82);
  border-radius: 18px;
}

.admin-page .summary-row {
  color: var(--admin-muted);
}

.admin-page .summary-row strong {
  color: var(--admin-text);
}

.admin-page .summary-total strong {
  color: var(--admin-blue);
}

.admin-page .form-divider {
  border-top-color: rgba(226, 232, 240, 0.92);
}

.admin-page .errors {
  border-color: rgba(239, 68, 68, 0.22);
  background: rgba(239, 68, 68, 0.1);
  color: #b91c1c;
}

.detail-card .summary-card,
.detail-card .table-wrap {
  margin-top: 18px;
}

.detail-card .section-title + .summary-card {
  margin-top: 18px;
}

.detail-card .card-body > .section-title {
  margin-top: 28px;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.detail-overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: 18px;
  align-items: start;
}

.detail-overview-grid .detail-panel:first-child {
  grid-row: span 2;
}

.detail-panel {
  min-width: 0;
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: 20px;
  background: rgba(248, 250, 252, 0.86);
  overflow: hidden;
}

.detail-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.92);
  background: rgba(255, 255, 255, 0.72);
}

.detail-panel-head span {
  display: block;
  margin-bottom: 5px;
  color: #64748b;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.detail-panel-head h3 {
  margin: 0;
  color: var(--admin-text);
  font-size: 20px;
  line-height: 1.25;
}

.detail-panel-head > strong {
  min-width: 0;
  color: #0f172a;
  font-size: 14px;
  line-height: 1.5;
  text-align: right;
  overflow-wrap: anywhere;
}

.detail-panel-actions {
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.92);
  background: rgba(255, 255, 255, 0.58);
}

.detail-kv-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(226, 232, 240, 0.92);
}

.detail-kv {
  display: grid;
  align-content: start;
  gap: 7px;
  min-width: 0;
  min-height: 88px;
  padding: 15px 16px;
  background: rgba(255, 255, 255, 0.72);
}

.detail-kv.is-wide {
  grid-column: 1 / -1;
}

.detail-kv span {
  color: #64748b;
  font-size: 12px;
  font-weight: 800;
}

.detail-kv strong {
  min-width: 0;
  color: var(--admin-text);
  font-size: 15px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.detail-total strong {
  color: var(--admin-blue);
  font-size: 22px;
  line-height: 1.2;
}

.detail-note strong {
  white-space: normal;
}

.detail-empty {
  padding: 22px 20px;
  color: var(--admin-muted);
  font-size: 14px;
  font-weight: 800;
}

.placeholder-card {
  max-width: 920px;
}

.placeholder-panel {
  display: grid;
  gap: 8px;
  min-height: 180px;
  align-content: center;
  padding: 28px;
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: 18px;
  background: rgba(248, 250, 252, 0.82);
}

.placeholder-panel strong {
  color: var(--admin-text);
  font-size: 20px;
  line-height: 1.25;
}

.placeholder-panel span {
  color: var(--admin-muted);
  font-size: 14px;
  line-height: 1.7;
}

.admin-work-card {
  max-width: 1180px;
}

.admin-alert {
  margin-bottom: 16px;
  padding: 13px 16px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 800;
}

.admin-alert.is-success {
  border: 1px solid rgba(22, 163, 74, 0.18);
  background: rgba(34, 197, 94, 0.1);
  color: #15803d;
}

.admin-alert.is-error {
  border: 1px solid rgba(239, 68, 68, 0.18);
  background: rgba(239, 68, 68, 0.1);
  color: #b91c1c;
}

.admin-panel {
  display: grid;
  gap: 16px;
  padding: 20px;
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: 18px;
  background: rgba(248, 250, 252, 0.82);
}

.admin-panel + .admin-panel,
.admin-list {
  margin-top: 18px;
}

.admin-panel h3 {
  margin: 0;
  color: var(--admin-text);
  font-size: 18px;
  line-height: 1.25;
}

.admin-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.admin-form-grid,
.admin-toolbar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: end;
}

.admin-toolbar {
  grid-template-columns: minmax(260px, 1fr) auto;
  margin-bottom: 18px;
}

.admin-field-full {
  grid-column: 1 / -1;
}

.admin-field-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.check-field {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 48px;
  margin: 0;
}

.check-field input {
  width: auto;
  min-height: 0;
}

.admin-list {
  display: grid;
  gap: 18px;
}

.admin-two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .76fr);
  gap: 18px;
}

.admin-muted-box {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(226, 232, 240, 0.92);
  background: rgba(255, 255, 255, 0.7);
  color: var(--admin-muted);
  font-size: 13px;
  line-height: 1.55;
}

.admin-muted-box strong {
  color: var(--admin-text);
}

.payment-settings-form {
  display: grid;
  gap: 24px;
}

.payment-settings-form > * {
  min-width: 0;
}

.payment-settings-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  gap: 22px;
  align-items: stretch;
}

.payment-settings-box {
  align-content: start;
  gap: 9px;
  min-height: 132px;
  padding: 22px 24px;
  border-radius: 20px;
  background: rgba(248, 250, 252, 0.82);
  font-size: 14px;
}

.payment-settings-box span {
  overflow-wrap: anywhere;
}

.payment-mode-field {
  margin: 0;
}

.payment-settings-mode-row {
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
  gap: 20px;
  align-items: end;
}

.payment-mode-help {
  margin: 0 0 10px;
  color: var(--admin-text);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.6;
}

.payment-settings-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px 22px;
  align-items: end;
}

.payment-settings-grid label {
  margin: 0;
}

.admin-policy-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.admin-policy-summary div {
  display: grid;
  gap: 8px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(226, 232, 240, 0.92);
  background: rgba(248, 250, 252, 0.82);
}

.admin-policy-summary span {
  color: var(--admin-muted);
  font-size: 12px;
  font-weight: 800;
}

.admin-policy-summary strong {
  color: var(--admin-text);
  font-size: 17px;
  line-height: 1.3;
}

.admin-empty {
  padding: 22px;
  border-radius: 18px;
  border: 1px solid rgba(226, 232, 240, 0.92);
  background: rgba(248, 250, 252, 0.82);
  color: var(--admin-muted);
  font-weight: 800;
}

.inline-form {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) auto;
  gap: 8px;
}

@media (max-width: 1320px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chart-grid { grid-template-columns: 1fr; }
  .registration-filter-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .filter-field-wide { grid-column: 1 / -1; }
}

@media (max-width: 980px) {
  .admin-app { grid-template-columns: 1fr; }
  .admin-sidebar {
    position: static;
    height: auto;
    padding: 18px;
  }
  .stage-topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 22px 20px 16px;
  }
  .stage-content { padding: 0 20px 28px; }
  .surface-card { max-width: calc(100vw - 40px); }
  .registrations-card {
    width: calc(100vw - 40px);
    overflow: hidden;
  }
  .registrations-card .section-desc {
    max-width: calc(100vw - 100px);
  }
  .chart-layout { grid-template-columns: 1fr; }
  .admin-page .filter-grid { grid-template-columns: 1fr; }
  .registration-filter-grid { grid-template-columns: 1fr; }
  .admin-form-grid,
  .admin-toolbar,
  .admin-two-column,
  .admin-policy-summary,
  .payment-settings-intro-grid,
  .payment-settings-mode-row,
  .payment-settings-grid,
  .detail-overview-grid,
  .inline-form {
    grid-template-columns: 1fr;
  }
  .detail-overview-grid .detail-panel:first-child {
    grid-row: auto;
  }
  .detail-kv-grid {
    grid-template-columns: 1fr;
  }
  .filter-field-wide { grid-column: auto; }
  .list-head { flex-direction: column; }
  .list-summary {
    width: 100%;
    text-align: left;
  }
}

@media (max-width: 640px) {
  .metric-grid { grid-template-columns: 1fr; }
  .stage-heading h1 { font-size: 34px; }
  .brand-mark { width: 40px; height: 40px; }
  .sidebar-badge { display: none; }
  .stage-tools {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
  }
  .tool-link {
    min-width: 0;
    width: 100%;
    padding: 0 12px;
  }
  .tool-avatar { display: none; }
  .donut { width: min(250px, 78vw); }
}