/**
 * 云策金科 CRM — Design System v1
 * 深墨侧栏 + 青绿强调 + 轻动效；覆盖旧紫渐变主题。
 */

@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Syne:wght@600;700;800&display=swap");

:root {
  --yc-ink: #0b1220;
  --yc-ink-soft: #141c2e;
  --yc-ink-muted: #1c2740;
  --yc-accent: #0f9d8a;
  --yc-accent-hover: #0d8a79;
  --yc-accent-soft: rgba(15, 157, 138, 0.12);
  --yc-sky: #1a6fb5;
  --yc-sky-soft: rgba(26, 111, 181, 0.1);
  --yc-surface: #ffffff;
  --yc-canvas: #eef2f7;
  --yc-canvas-2: #e6edf5;
  --yc-border: rgba(15, 23, 42, 0.08);
  --yc-border-strong: rgba(15, 23, 42, 0.14);
  --yc-text: #0f172a;
  --yc-text-secondary: #475569;
  --yc-text-muted: #64748b;
  --yc-success: #059669;
  --yc-warning: #d97706;
  --yc-danger: #dc2626;
  --yc-info: #0284c8;

  --yc-sidebar-width: 16.5rem;
  --yc-sidebar-collapsed: 4.75rem;
  --yc-header-height: 4rem;
  --yc-radius: 12px;
  --yc-radius-sm: 8px;
  --yc-radius-lg: 16px;

  --yc-font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --yc-font-display: "Syne", "Noto Sans SC", sans-serif;

  --yc-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --yc-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
  --yc-shadow-hover: 0 4px 12px rgba(15, 23, 42, 0.08), 0 16px 40px rgba(15, 23, 42, 0.1);

  /* 兼容旧变量名，压制紫渐变 */
  --sidebar-width: var(--yc-sidebar-width);
  --sidebar-collapsed-width: var(--yc-sidebar-collapsed);
  --header-height: var(--yc-header-height);
  --gradient-primary: linear-gradient(160deg, var(--yc-ink) 0%, var(--yc-ink-soft) 100%);
  --primary-500: var(--yc-accent);
  --primary-600: var(--yc-accent-hover);
  --bg-primary: var(--yc-ink);
  --bg-secondary: var(--yc-canvas);
  --bg-card: var(--yc-surface);
  --font-family-sans: var(--yc-font);
}

/* ─── Page shell ─── */
html {
  scroll-behavior: smooth;
}

body.yc-app,
body {
  font-family: var(--yc-font) !important;
  color: var(--yc-text);
  background-color: var(--yc-canvas) !important;
  background-image:
    radial-gradient(ellipse 80% 50% at 100% -10%, rgba(15, 157, 138, 0.09), transparent 55%),
    radial-gradient(ellipse 60% 40% at -10% 30%, rgba(26, 111, 181, 0.07), transparent 50%),
    linear-gradient(180deg, var(--yc-canvas) 0%, var(--yc-canvas-2) 100%) !important;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

body::before {
  display: none !important;
}

/* ─── Sidebar ─── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: var(--yc-sidebar-width);
  background: var(--yc-ink) !important;
  background-image:
    radial-gradient(ellipse 120% 80% at 0% 0%, rgba(15, 157, 138, 0.18), transparent 55%),
    radial-gradient(ellipse 80% 60% at 100% 100%, rgba(26, 111, 181, 0.12), transparent 50%),
    linear-gradient(180deg, var(--yc-ink) 0%, #070b14 100%) !important;
  color: #e8eef7 !important;
  z-index: 1000;
  transition: width 0.35s var(--yc-ease);
  overflow-x: hidden;
  overflow-y: auto;
  border-right: 1px solid rgba(255, 255, 255, 0.06) !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}

.sidebar::before,
.sidebar::after {
  display: none !important;
}

.sidebar.collapsed {
  width: var(--yc-sidebar-collapsed);
}

.sidebar-header {
  padding: 1.25rem 1rem !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
  background: transparent !important;
  backdrop-filter: none !important;
  text-align: left !important;
}

.sidebar-header h4 {
  margin: 0;
  font-family: var(--yc-font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: #f8fafc;
  text-shadow: none !important;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  justify-content: flex-start !important;
}

.yc-brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--yc-accent), #0b7f8f);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
  font-family: var(--yc-font-display);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: -0.04em;
}

.yc-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  min-width: 0;
}

.yc-brand-text strong {
  font-size: 0.95rem;
  font-weight: 700;
}

.yc-brand-text small {
  font-family: var(--yc-font);
  font-size: 0.65rem;
  font-weight: 500;
  color: rgba(226, 232, 240, 0.55);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sidebar.collapsed .yc-brand-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.sidebar.collapsed .menu-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
  white-space: nowrap;
}

.sidebar.collapsed .menu-link {
  justify-content: center;
  padding-left: 0.65rem !important;
  padding-right: 0.65rem !important;
}

.sidebar.collapsed .menu-icon {
  margin-right: 0 !important;
}

.sidebar.collapsed .menu-group-title .menu-text,
.sidebar.collapsed .menu-group-arrow {
  display: none;
}

.sidebar.collapsed .submenu {
  display: none !important;
}

.sidebar-menu {
  padding: 0.75rem 0 1.5rem;
}

.menu-item {
  margin: 0.1rem 0;
}

.menu-link {
  display: flex;
  align-items: center;
  padding: 0.65rem 0.85rem !important;
  color: rgba(226, 232, 240, 0.72) !important;
  text-decoration: none;
  border-radius: var(--yc-radius-sm) !important;
  margin: 0.15rem 0.65rem !important;
  transition: background 0.2s var(--yc-ease), color 0.2s var(--yc-ease), transform 0.2s var(--yc-ease);
  position: relative;
  overflow: hidden;
  backdrop-filter: none !important;
  border-left: none !important;
  box-shadow: none !important;
  transform: none !important;
}

.menu-link::before,
.menu-link::after {
  display: none !important;
}

.menu-link:hover {
  background: rgba(255, 255, 255, 0.06) !important;
  color: #fff !important;
  transform: none !important;
  box-shadow: none !important;
}

.menu-link.active {
  background: var(--yc-accent-soft) !important;
  color: #5eead4 !important;
  box-shadow: inset 3px 0 0 var(--yc-accent) !important;
  border-left: none !important;
}

.menu-icon {
  width: 18px !important;
  height: 18px !important;
  margin-right: 0.7rem !important;
  opacity: 0.85;
  filter: brightness(0) invert(1);
  flex-shrink: 0;
}

.menu-link.active .menu-icon {
  opacity: 1;
  filter: brightness(0) saturate(100%) invert(78%) sepia(28%) saturate(531%) hue-rotate(121deg);
}

.menu-group-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  margin: 0.35rem 0.65rem 0.15rem;
  color: rgba(226, 232, 240, 0.55);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: var(--yc-radius-sm);
  transition: background 0.2s var(--yc-ease), color 0.2s var(--yc-ease);
}

.menu-group-title:hover {
  background: rgba(255, 255, 255, 0.04);
  color: rgba(248, 250, 252, 0.9);
}

.menu-group-title .menu-icon {
  width: 16px !important;
  height: 16px !important;
  margin-right: 0.5rem !important;
}

.menu-group-arrow {
  width: 14px;
  height: 14px;
  opacity: 0.5;
  filter: brightness(0) invert(1);
  transition: transform 0.25s var(--yc-ease);
  flex-shrink: 0;
}

.menu-group.open .menu-group-arrow,
.menu-group.expanded .menu-group-arrow {
  transform: rotate(90deg);
}

/* 二级菜单：默认收起，仅 expanded/open 时展开 */
.menu-group > .submenu {
  display: none;
  padding-left: 0.25rem;
  overflow: hidden;
}

.menu-group.expanded > .submenu,
.menu-group.open > .submenu {
  display: block;
  animation: yc-submenu-in 0.22s var(--yc-ease) both;
}

@keyframes yc-submenu-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.submenu .menu-link {
  padding-left: 1.1rem !important;
  font-size: 0.9rem;
}

/* 三级菜单（若存在） */
.submenu-group > .sub-submenu {
  display: none;
  padding-left: 0.5rem;
}

.submenu-group.expanded > .sub-submenu {
  display: block;
}

/* ─── Main + header ─── */
.main-content {
  margin-left: var(--yc-sidebar-width);
  min-height: 100vh;
  transition: margin-left 0.35s var(--yc-ease);
  display: flex;
  flex-direction: column;
}

.sidebar.collapsed + .main-content,
body.sidebar-collapsed .main-content {
  margin-left: var(--yc-sidebar-collapsed);
}

.top-navbar {
  height: var(--yc-header-height);
  padding: 0 1.5rem !important;
  background: rgba(255, 255, 255, 0.78) !important;
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--yc-border) !important;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: none !important;
}

.top-navbar h5 {
  font-family: var(--yc-font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--yc-text);
  margin: 0;
}

.sidebar-toggle {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--yc-radius-sm);
  border: 1px solid var(--yc-border);
  background: var(--yc-surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s var(--yc-ease), border-color 0.2s var(--yc-ease);
}

.sidebar-toggle:hover {
  background: var(--yc-accent-soft);
  border-color: rgba(15, 157, 138, 0.35);
}

.content-wrapper {
  padding: 1.5rem 1.75rem 2.5rem;
  flex: 1;
  animation: yc-page-in 0.45s var(--yc-ease) both;
}

@keyframes yc-page-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Cards (global Bootstrap + custom) ─── */
.card,
.yc-card {
  background: var(--yc-surface) !important;
  border: 1px solid var(--yc-border) !important;
  border-radius: var(--yc-radius) !important;
  box-shadow: var(--yc-shadow) !important;
  transition: transform 0.3s var(--yc-ease), box-shadow 0.3s var(--yc-ease), border-color 0.3s var(--yc-ease);
  overflow: hidden;
}

.card:hover,
.yc-card:hover {
  box-shadow: var(--yc-shadow-hover) !important;
  border-color: var(--yc-border-strong) !important;
}

.card-header {
  background: transparent !important;
  border-bottom: 1px solid var(--yc-border) !important;
  padding: 1rem 1.25rem !important;
  font-weight: 600;
  color: var(--yc-text);
}

.card-body {
  padding: 1.25rem !important;
}

.yc-card-interactive:hover {
  transform: translateY(-3px);
}

.yc-stagger > * {
  animation: yc-rise 0.5s var(--yc-ease) both;
}

.yc-stagger > *:nth-child(1) { animation-delay: 0.04s; }
.yc-stagger > *:nth-child(2) { animation-delay: 0.08s; }
.yc-stagger > *:nth-child(3) { animation-delay: 0.12s; }
.yc-stagger > *:nth-child(4) { animation-delay: 0.16s; }
.yc-stagger > *:nth-child(5) { animation-delay: 0.2s; }
.yc-stagger > *:nth-child(6) { animation-delay: 0.24s; }
.yc-stagger > *:nth-child(7) { animation-delay: 0.28s; }
.yc-stagger > *:nth-child(8) { animation-delay: 0.32s; }

@keyframes yc-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Buttons ─── */
.btn-primary {
  background: var(--yc-accent) !important;
  border-color: var(--yc-accent) !important;
  border-radius: var(--yc-radius-sm) !important;
  font-weight: 600;
  box-shadow: none !important;
  transition: background 0.2s var(--yc-ease), transform 0.2s var(--yc-ease);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--yc-accent-hover) !important;
  border-color: var(--yc-accent-hover) !important;
  transform: translateY(-1px);
}

.btn-outline-primary {
  color: var(--yc-accent) !important;
  border-color: rgba(15, 157, 138, 0.45) !important;
  border-radius: var(--yc-radius-sm) !important;
}

.btn-outline-primary:hover {
  background: var(--yc-accent-soft) !important;
  color: var(--yc-accent-hover) !important;
  border-color: var(--yc-accent) !important;
}

.btn-outline-secondary {
  border-radius: var(--yc-radius-sm) !important;
  border-color: var(--yc-border-strong) !important;
  color: var(--yc-text-secondary) !important;
}

.btn {
  border-radius: var(--yc-radius-sm);
  font-weight: 500;
}

/* ─── Tables ─── */
.table {
  --bs-table-bg: transparent;
  color: var(--yc-text);
}

.table thead th {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--yc-text-muted) !important;
  border-bottom-width: 1px !important;
  background: rgba(238, 242, 247, 0.6) !important;
  white-space: nowrap;
}

.table tbody tr {
  transition: background 0.15s var(--yc-ease);
}

.table tbody tr:hover {
  background: rgba(15, 157, 138, 0.04) !important;
}

.table-responsive,
.yc-panel {
  background: var(--yc-surface);
  border: 1px solid var(--yc-border);
  border-radius: var(--yc-radius);
  box-shadow: var(--yc-shadow);
}

.yc-panel {
  padding: 0;
  overflow: hidden;
}

.yc-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--yc-border);
}

.yc-panel-header h2,
.yc-panel-header h3,
.yc-panel-title {
  margin: 0;
  font-family: var(--yc-font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ─── Forms ─── */
.form-control,
.form-select {
  border-radius: var(--yc-radius-sm) !important;
  border-color: var(--yc-border-strong) !important;
  transition: border-color 0.2s var(--yc-ease), box-shadow 0.2s var(--yc-ease);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--yc-accent) !important;
  box-shadow: 0 0 0 3px var(--yc-accent-soft) !important;
}

/* ─── Alerts / badges ─── */
.alert {
  border-radius: var(--yc-radius) !important;
  border: 1px solid var(--yc-border);
  animation: yc-rise 0.35s var(--yc-ease) both;
}

.badge {
  font-weight: 600;
  border-radius: 6px !important;
  padding: 0.35em 0.55em;
}

.bg-primary {
  background-color: var(--yc-accent) !important;
}

.text-primary {
  color: var(--yc-accent) !important;
}

/* ─── Page toolbar ─── */
.yc-page-toolbar,
.page-header,
.d-flex.justify-content-between.align-items-center.mb-4 {
  margin-bottom: 1.25rem;
}

.yc-page-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.15rem;
  background: var(--yc-surface);
  border: 1px solid var(--yc-border);
  border-radius: var(--yc-radius);
  box-shadow: var(--yc-shadow);
}

.yc-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.yc-stat-card {
  position: relative;
  background: var(--yc-surface);
  border: 1px solid var(--yc-border);
  border-radius: var(--yc-radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--yc-shadow);
  overflow: hidden;
  transition: transform 0.3s var(--yc-ease), box-shadow 0.3s var(--yc-ease);
}

.yc-stat-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--yc-accent);
  opacity: 0.85;
}

.yc-stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--yc-shadow-hover);
}

.yc-stat-card .yc-stat-label {
  font-size: 0.8rem;
  color: var(--yc-text-muted);
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.yc-stat-card .yc-stat-value {
  font-family: var(--yc-font-display);
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--yc-text);
  line-height: 1.2;
}

.yc-stat-card .yc-stat-meta {
  margin-top: 0.45rem;
  font-size: 0.78rem;
  color: var(--yc-text-secondary);
}

.yc-stat-card .yc-stat-meta.up {
  color: var(--yc-success);
}

.yc-stat-card .yc-stat-meta.down {
  color: var(--yc-danger);
}

/* ─── Scroll buttons ─── */
.scroll-btn {
  background: var(--yc-ink) !important;
  border: none !important;
  color: #fff !important;
  border-radius: var(--yc-radius-sm) !important;
  box-shadow: var(--yc-shadow) !important;
  transition: transform 0.2s var(--yc-ease), background 0.2s var(--yc-ease) !important;
}

.scroll-btn:hover {
  background: var(--yc-accent) !important;
  transform: translateY(-2px);
}

/* ─── Mobile ─── */
@media (max-width: 991.98px) {
  .main-content {
    margin-left: 0 !important;
  }

  .sidebar {
    transform: translateX(-105%);
  }

  .sidebar.show {
    transform: translateX(0);
  }

  .content-wrapper {
    padding: 1rem;
  }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}