:root {
  --bg: #eef2f5;
  --surface: #ffffff;
  --surface-soft: rgba(255, 255, 255, 0.82);
  --line: rgba(15, 23, 42, 0.1);
  --ink: #111827;
  --muted: #667085;
  --accent: #0e5cad;
  --accent-2: #19b6b0;
  --danger: #c2410c;
  --success: #047857;
  --shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
  --radius: 22px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(25, 182, 176, 0.12), transparent 24%),
    linear-gradient(180deg, #eef2f5 0%, #f8f9fb 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.admin-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.admin-sidebar {
  padding: 24px 20px;
  background: rgba(9, 19, 31, 0.95);
  color: #fff;
}

.admin-brand {
  display: block;
  margin-bottom: 28px;
}

.admin-brand-logo {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  object-fit: contain;
}

.admin-nav {
  display: grid;
  gap: 8px;
}

.admin-nav a {
  padding: 12px 14px;
  border-radius: 16px;
  color: rgba(255, 255, 255, 0.82);
}

.admin-nav a:hover,
.admin-nav a.is-active {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.admin-main {
  padding: 32px;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  margin-bottom: 24px;
}

.admin-eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  font-weight: 700;
}

.admin-header h1 {
  margin: 0;
  font-size: clamp(28px, 3vw, 42px);
  letter-spacing: -0.03em;
}

.admin-user {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  box-shadow: var(--shadow);
}

.admin-user a {
  color: var(--accent);
  font-weight: 700;
}

.admin-flash {
  margin-bottom: 20px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid transparent;
}

.admin-flash.success {
  background: rgba(4, 120, 87, 0.08);
  border-color: rgba(4, 120, 87, 0.12);
  color: var(--success);
}

.admin-flash.error {
  background: rgba(194, 65, 12, 0.08);
  border-color: rgba(194, 65, 12, 0.12);
  color: var(--danger);
}

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

.admin-grid {
  grid-template-columns: minmax(360px, 430px) minmax(0, 1fr);
}

.admin-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.admin-card,
.admin-panel,
.admin-table-wrap {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.admin-card,
.admin-panel {
  padding: 22px;
}

.admin-card strong {
  display: block;
  font-size: 30px;
  margin-top: 12px;
}

.admin-card span,
.admin-panel p,
.admin-table td,
.admin-table th,
.admin-field-help {
  color: var(--muted);
}

.admin-panel h2,
.admin-table-wrap h2 {
  margin: 0 0 18px;
  font-size: 24px;
}

.admin-form {
  display: grid;
  gap: 14px;
}

.admin-field {
  display: grid;
  gap: 8px;
}

.admin-field label {
  font-weight: 700;
}

.admin-field input,
.admin-field textarea,
.admin-field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 16px;
  background: #fff;
}

.admin-field textarea {
  min-height: 120px;
  resize: vertical;
}

.admin-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.admin-actions,
.admin-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-button,
.admin-link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
}

.admin-button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}

.admin-button.secondary,
.admin-link-button {
  background: rgba(14, 92, 173, 0.08);
  border-color: rgba(14, 92, 173, 0.14);
  color: var(--accent);
}

.admin-button.danger {
  background: rgba(194, 65, 12, 0.08);
  border-color: rgba(194, 65, 12, 0.12);
  color: var(--danger);
}

.admin-table-wrap {
  overflow: hidden;
}

.admin-table-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 22px 22px 0;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 16px 22px;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.admin-table th {
  color: var(--ink);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.admin-title {
  color: var(--ink);
  font-weight: 700;
}

.admin-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(15, 23, 42, 0.06);
  color: var(--muted);
}

.admin-badge.published {
  background: rgba(4, 120, 87, 0.08);
  color: var(--success);
}

.admin-badge.draft {
  background: rgba(194, 65, 12, 0.08);
  color: var(--danger);
}

.admin-login {
  max-width: 420px;
  margin: 12vh auto 0;
}

.admin-login .admin-panel {
  padding: 28px;
}

.admin-empty {
  padding: 30px 22px;
  color: var(--muted);
}

@media (max-width: 1100px) {
  .admin-shell,
  .admin-grid,
  .admin-cards,
  .admin-row {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    padding-bottom: 12px;
  }
}

@media (max-width: 760px) {
  .admin-main {
    padding: 20px;
  }

  .admin-header,
  .admin-table-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .admin-table th,
  .admin-table td {
    padding: 14px;
  }
}