/* 全局壳层：顶栏 / 侧栏 / 主区氛围与基础组件质感 */

:root {
  --shell-ink: #121820;
  --shell-ink-mid: #1c2633;
  --shell-ink-soft: #2a3645;
  --shell-accent: #0f766e;
  --shell-accent-bright: #14b8a6;
  --shell-accent-soft: rgba(15, 118, 110, 0.12);
  --shell-accent-glow: rgba(20, 184, 166, 0.35);
  --shell-surface: #eef1f5;
  --shell-surface-elevated: #ffffff;
  --shell-border: rgba(18, 24, 32, 0.08);
  --shell-border-strong: rgba(18, 24, 32, 0.14);
  --shell-text: #1a2330;
  --shell-text-muted: #5a6b7d;
  --shell-sidebar-w: 220px;
  --shell-nav-h: 56px;
  --shell-radius: 12px;
  --shell-radius-sm: 8px;
  --shell-shadow-sm: 0 1px 2px rgba(18, 24, 32, 0.04), 0 1px 3px rgba(18, 24, 32, 0.06);
  --shell-shadow-md: 0 4px 16px rgba(18, 24, 32, 0.08), 0 1px 3px rgba(18, 24, 32, 0.04);
  --font-sans: "Plus Jakarta Sans", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body.app-body {
  padding-top: var(--shell-nav-h);
  margin: 0;
  font-family: var(--font-sans);
  color: var(--shell-text);
  background-color: var(--shell-surface);
  background-image:
    radial-gradient(1200px 500px at 10% -10%, rgba(20, 184, 166, 0.07), transparent 55%),
    radial-gradient(900px 420px at 95% 0%, rgba(37, 99, 235, 0.05), transparent 50%),
    linear-gradient(180deg, #f5f7fa 0%, var(--shell-surface) 40%, #e9eef3 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  transition: margin-left 0.3s ease;
}

/* ---------- 顶栏 ---------- */
.app-navbar {
  height: var(--shell-nav-h);
  min-height: var(--shell-nav-h);
  padding-top: 0;
  padding-bottom: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, transparent 100%),
    linear-gradient(135deg, var(--shell-ink) 0%, var(--shell-ink-mid) 55%, #162032 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 8px 24px rgba(18, 24, 32, 0.18);
  z-index: 1040;
}

.app-navbar .navbar-brand {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
  color: #f4f7fb !important;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.app-navbar .navbar-brand::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--shell-accent-bright);
  box-shadow: 0 0 0 3px var(--shell-accent-soft), 0 0 12px var(--shell-accent-glow);
  flex-shrink: 0;
}

.app-navbar .nav-link {
  color: rgba(244, 247, 251, 0.82) !important;
  font-weight: 500;
  font-size: 0.925rem;
  border-radius: 999px;
  padding: 0.35rem 0.75rem !important;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link:focus,
.app-navbar .nav-link.show {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.08);
}

.app-navbar .dropdown-menu {
  border: 1px solid var(--shell-border);
  border-radius: var(--shell-radius-sm);
  box-shadow: var(--shell-shadow-md);
  padding: 0.4rem;
  margin-top: 0.4rem !important;
}

.app-navbar .dropdown-item {
  border-radius: 6px;
  font-size: 0.9rem;
  padding: 0.45rem 0.75rem;
}

.app-navbar .dropdown-item:hover {
  background: var(--shell-accent-soft);
  color: var(--shell-accent);
}

/* ---------- 侧栏 ---------- */
.sidebar {
  position: fixed;
  top: var(--shell-nav-h);
  bottom: 0;
  left: 0;
  width: var(--shell-sidebar-w);
  padding: 1rem 0.75rem 1.5rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(248, 250, 252, 0.96) 100%);
  border-right: 1px solid var(--shell-border);
  box-shadow: 4px 0 24px rgba(18, 24, 32, 0.04);
  backdrop-filter: blur(12px);
  transition: transform 0.3s ease, width 0.3s ease;
  z-index: 1039;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar::-webkit-scrollbar {
  width: 5px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(18, 24, 32, 0.15);
  border-radius: 999px;
}

.sidebar.collapsed {
  transform: translateX(calc(-1 * var(--shell-sidebar-w)));
  width: 0;
  padding: 0;
  overflow: hidden;
  border-right: none;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
  padding: 0 0.35rem 0.75rem;
  border-bottom: 1px solid var(--shell-border);
}

.sidebar-header h5 {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--shell-text-muted);
}

.sidebar-collapse-btn {
  width: 28px;
  height: 28px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--shell-border-strong);
  background: var(--shell-surface-elevated);
  color: var(--shell-text-muted);
  box-shadow: var(--shell-shadow-sm);
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.sidebar-collapse-btn:hover {
  background: var(--shell-accent-soft);
  color: var(--shell-accent);
  border-color: rgba(15, 118, 110, 0.35);
}

.sidebar .nav-link {
  color: var(--shell-text);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--shell-radius-sm);
  padding: 0.45rem 0.65rem;
  margin-bottom: 2px;
  transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.sidebar .nav-link:hover {
  background: rgba(18, 24, 32, 0.05);
  color: var(--shell-text);
}

.sidebar-group-toggle {
  cursor: pointer;
  padding: 0.4rem 0.55rem;
  border-radius: var(--shell-radius-sm);
  font-size: 0.78rem !important;
  letter-spacing: 0.02em;
  color: var(--shell-text-muted) !important;
}

.sidebar-group-toggle:hover {
  background: rgba(18, 24, 32, 0.05);
  color: var(--shell-text) !important;
}

.sidebar-nav-group.collapsed .sidebar-group-menu {
  display: none;
}

.sidebar-group-chevron {
  font-size: 0.65rem;
  transition: transform 0.2s ease;
  color: #8a97a8;
}

.sidebar-nav-group.collapsed .sidebar-group-chevron {
  transform: rotate(-90deg);
}

.sidebar-group-menu {
  margin-left: 0.35rem !important;
  padding-left: 0.55rem;
  border-left: 2px solid rgba(18, 24, 32, 0.06);
}

.sidebar-group-menu .nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: #3d4d5f;
  padding: 0.35rem 0.6rem;
}

.sidebar-group-menu .nav-link.active {
  color: var(--shell-accent);
  font-weight: 600;
  background: var(--shell-accent-soft);
  box-shadow: inset 2px 0 0 var(--shell-accent);
}

.sidebar-divider {
  border: 0;
  border-top: 1px solid var(--shell-border);
  margin: 0.75rem 0.35rem;
  opacity: 1;
}

#sidebarToggle {
  display: none;
  position: fixed;
  z-index: 1040;
  top: calc(var(--shell-nav-h) + 10px);
  left: 10px;
  width: 36px;
  height: 36px;
  padding: 0;
  align-items: center;
  justify-content: center;
  background: var(--shell-surface-elevated);
  border: 1px solid var(--shell-border-strong);
  border-radius: 10px;
  color: var(--shell-text);
  box-shadow: var(--shell-shadow-md);
}

#sidebarToggle.is-visible {
  display: inline-flex;
}

#sidebarToggle:hover {
  background: var(--shell-accent-soft);
  color: var(--shell-accent);
  border-color: rgba(15, 118, 110, 0.35);
}

/* ---------- 主内容区 ---------- */
.main-content {
  margin-left: var(--shell-sidebar-w);
  /* 列表页标题/筛选/表格整体与侧栏留出呼吸感 */
  padding: 1.5rem 2.75rem 2.5rem;
  min-height: calc(100vh - var(--shell-nav-h));
  transition: margin-left 0.3s ease;
}

.main-content.expanded {
  margin-left: 0;
}

body:not(:has(.sidebar)) .main-content {
  margin-left: 0;
}

.content-page-wide {
  max-width: min(100%, 1600px);
}

/* ---------- 通用组件质感（全局轻量提升） ---------- */
.main-content h1,
.main-content .h1 {
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--shell-ink);
}

.main-content .text-muted {
  color: var(--shell-text-muted) !important;
}

.main-content .card {
  border: 1px solid var(--shell-border);
  border-radius: var(--shell-radius);
  background: var(--shell-surface-elevated);
  box-shadow: var(--shell-shadow-sm);
}

.main-content .card-header {
  background: linear-gradient(180deg, #fbfcfd 0%, #f5f7fa 100%);
  border-bottom: 1px solid var(--shell-border);
  font-weight: 600;
}

.main-content .table {
  --bs-table-bg: transparent;
}

.main-content .table > :not(caption) > * > * {
  border-bottom-color: var(--shell-border);
}

/* 卡片内表格首末列勿贴边（table-sm 默认仅 0.25rem） */
.main-content .card .table > :not(caption) > * > *:first-child {
  padding-left: 1.15rem;
}

.main-content .card .table > :not(caption) > * > *:last-child {
  padding-right: 1.15rem;
}

.main-content .table thead th {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--shell-text-muted);
  background: rgba(238, 241, 245, 0.7);
  border-bottom-width: 1px;
}

.main-content .btn {
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--shell-radius-sm);
}

.main-content .btn-primary {
  --bs-btn-bg: var(--shell-accent);
  --bs-btn-border-color: var(--shell-accent);
  --bs-btn-hover-bg: #0d5f59;
  --bs-btn-hover-border-color: #0d5f59;
  --bs-btn-active-bg: #0a4f4a;
  --bs-btn-active-border-color: #0a4f4a;
  --bs-btn-disabled-bg: var(--shell-accent);
  --bs-btn-disabled-border-color: var(--shell-accent);
  box-shadow: 0 1px 2px rgba(15, 118, 110, 0.25);
}

.main-content .btn-outline-primary {
  --bs-btn-color: var(--shell-accent);
  --bs-btn-border-color: rgba(15, 118, 110, 0.45);
  --bs-btn-hover-bg: var(--shell-accent);
  --bs-btn-hover-border-color: var(--shell-accent);
  --bs-btn-active-bg: #0d5f59;
  --bs-btn-active-border-color: #0d5f59;
}

.main-content .form-control,
.main-content .form-select {
  border-color: var(--shell-border-strong);
  border-radius: var(--shell-radius-sm);
  box-shadow: none;
}

.main-content .form-control:focus,
.main-content .form-select:focus {
  border-color: rgba(15, 118, 110, 0.55);
  box-shadow: 0 0 0 3px var(--shell-accent-soft);
}

.main-content .badge {
  font-weight: 600;
  letter-spacing: 0.01em;
}

.main-content .pagination .page-link {
  border-radius: 8px;
  margin: 0 2px;
  border-color: var(--shell-border-strong);
  color: var(--shell-text);
}

.main-content .pagination .page-item.active .page-link {
  background: var(--shell-accent);
  border-color: var(--shell-accent);
}

@media (max-width: 768px) {
  :root {
    --shell-sidebar-w: 250px;
  }

  .main-content {
    margin-left: 0;
    padding: 1.15rem 1.25rem 2rem;
  }

  #sidebarToggle.is-visible {
    display: inline-flex;
  }

  .sidebar {
    box-shadow: 8px 0 32px rgba(18, 24, 32, 0.18);
  }
}