/* 管理台主题：深色侧栏 + 浅灰主区 + 蓝色强调（参考现代 Next/Tailwind 控制台风格） */
:root {
  --sidebar-bg: #152238;
  --sidebar-hover: #1e3049;
  --sidebar-active: #2563eb;
  --sidebar-text: #e8edf5;
  --sidebar-muted: #94a3b8;
  --page-bg: #eef1f6;
  --card-bg: #ffffff;
  --card-border: #e5e7eb;
  --text-primary: #0f172a;
  --text-muted: #64748b;
  --accent-blue: #2563eb;
  --accent-orange: #ea580c;
  --radius-lg: 14px;
  --radius-md: 10px;
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

body.admin-app {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--page-bg);
  color: var(--text-primary);
}

.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
}

.admin-logo {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 24px;
  text-align: center;
}

.admin-logo .brand-cn {
  font-weight: 700;
  font-size: 15px;
  color: #0f172a;
  letter-spacing: 0.02em;
}

.admin-logo .brand-en {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.admin-nav a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  color: var(--sidebar-text);
  text-decoration: none;
  margin-bottom: 6px;
  transition: background 0.15s ease;
}

.admin-nav a:hover {
  background: var(--sidebar-hover);
}

.admin-nav a.active {
  background: var(--sidebar-active);
  color: #fff;
}

.admin-nav .nav-main {
  font-size: 14px;
  font-weight: 600;
}

.admin-nav .nav-sub {
  font-size: 11px;
  color: var(--sidebar-muted);
  line-height: 1.3;
}

.admin-nav a.active .nav-sub {
  color: rgba(255, 255, 255, 0.75);
}

.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.admin-topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--card-border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.admin-search-wrap {
  flex: 1;
  min-width: 200px;
  max-width: 420px;
  position: relative;
}

.admin-search-wrap input {
  width: 100%;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 10px 16px 10px 40px;
  font-size: 14px;
  outline: none;
  background: #f8fafc;
}

.admin-search-wrap input:focus {
  border-color: var(--accent-blue);
  background: #fff;
}

.admin-search-wrap .icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
}

.admin-topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.admin-pill {
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  background: #fff;
  color: var(--text-muted);
}

.admin-user {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 600;
}

.btn-logout {
  border: none;
  border-radius: var(--radius-md);
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  background: #1e293b;
  color: #fff;
}

.btn-logout:hover {
  background: #334155;
}

.admin-content {
  padding: 24px 28px 40px;
  flex: 1;
}

.page-title-row {
  margin-bottom: 22px;
}

.page-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 6px;
}

.page-subtitle {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--card-border);
}

.stat-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.1;
}

.stat-value.accent-orange { color: var(--accent-orange); }
.stat-value.accent-blue { color: var(--accent-blue); }

.card-panel {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--card-border);
  overflow: hidden;
}

.card-panel-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--card-border);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.card-panel-body {
  padding: 0;
}

.table-modern {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table-modern th,
.table-modern td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid #f1f5f9;
}

.table-modern th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 700;
  background: #fafbfc;
}

.table-modern tbody tr:hover {
  background: #f8fafc;
}

.status-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.status-PENDING { background: #e2e8f0; color: #475569; }
.status-BOOKING { background: #dbeafe; color: #1d4ed8; }
.status-PREBOOKING_RECEIVED { background: #cffafe; color: #0e7490; }
.status-DATA_PREPARING { background: #ffedd5; color: #c2410c; }
.status-DECLARATION_RECEIVED { background: #dcfce7; color: #166534; }
.status-MANIFEST_GENERATED { background: #fee2e2; color: #b91c1c; }
.status-COMPLETED { background: #d1fae5; color: #047857; }

.project-row-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  margin: 12px 16px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.15s, border-color 0.15s;
}

.project-row-link:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-card);
}

.project-row-link .chev {
  color: var(--text-muted);
  font-size: 18px;
}

.config-section-title {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 14px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

/* 配置页：一行多列（主内容区常 <900px，断点不能过大，否则会被误判为「每项一行」） */
.form-row-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  margin-bottom: 14px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px 20px;
  margin-bottom: 14px;
  width: 100%;
  box-sizing: border-box;
}

.form-row-3 > div {
  min-width: 0;
}

/* IMAP/SMTP：四个字段同一行（窄屏再折行） */
.form-row-4 {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) 110px minmax(0, 1.4fr) 110px;
  gap: 16px 20px;
  margin-bottom: 14px;
  width: 100%;
  box-sizing: border-box;
}

.form-row-4 > div {
  min-width: 0;
}

.form-row-actions {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) auto;
  gap: 16px 20px;
  align-items: end;
  margin-bottom: 8px;
}

/* 仅极窄屏才单列；中等宽度仍保持多列并排 */
@media (max-width: 720px) {
  .form-row-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .form-row-2,
  .form-row-3,
  .form-row-4 {
    grid-template-columns: 1fr;
  }
  .form-row-actions {
    grid-template-columns: 1fr;
  }
}

.btn-primary-theme {
  border: none;
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  background: var(--accent-blue);
  color: #fff;
}

.btn-primary-theme:hover {
  filter: brightness(1.05);
}

.btn-primary-theme:disabled,
.btn-secondary-theme:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: none;
  pointer-events: none;
}

.btn-secondary-theme {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  background: #fff;
}

pre.json-pre {
  max-height: 360px;
  overflow: auto;
  background: #f8fafc;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 12px;
  white-space: pre-wrap;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 22px;
  align-items: start;
}

@media (max-width: 900px) {
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; }
  .admin-nav { display: flex; flex-wrap: wrap; width: 100%; }
  .admin-nav a { flex: 1 1 45%; }
  .detail-grid { grid-template-columns: 1fr; }
}