/* ===== FSC咨询工作平台 · 全局样式 ===== */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+SC:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  /* 非颜色变量（不随主题变化） */
  --mono:         'IBM Plex Mono', monospace;
  --sans:         'IBM Plex Sans SC', sans-serif;
  --radius:       6px;
  --radius-lg:    10px;
  --transition:   all 0.18s ease;

  /* 深色主题（默认）*/
  --bg:           #0f1117;
  --bg-surface:   #16191f;
  --bg-card:      #1c2029;
  --bg-hover:     #232834;
  --border:       #2a2f3d;
  --border-light: #353c4e;
  --text:         #e2e6f0;
  --text-muted:   #7a8299;
  --text-dim:     #4a5168;
  --accent:       #2e7d52;
  --accent-light: #3a9e68;
  --accent-glow:  rgba(46,125,82,0.15);
  --warn:         #c17d2a;
  --warn-light:   #e8943a;
  --danger:       #b5312a;
  --danger-light: #d94035;
  --info:         #2a6db5;
  --on-accent:    #ffffff;
  --on-danger:    #ffffff;
  --badge-green-bg:      rgba(46,125,82,0.15);
  --badge-green-fg:      #4caf82;
  --badge-green-border:  rgba(46,125,82,0.30);
  --badge-yellow-bg:     rgba(193,125,42,0.15);
  --badge-yellow-fg:     #e8943a;
  --badge-yellow-border: rgba(193,125,42,0.30);
  --badge-orange-bg:     rgba(200,80,30,0.15);
  --badge-orange-fg:     #e06a30;
  --badge-orange-border: rgba(200,80,30,0.30);
  --badge-red-bg:        rgba(181,49,42,0.15);
  --badge-red-fg:        #e05050;
  --badge-red-border:    rgba(181,49,42,0.30);
  --badge-blue-bg:       rgba(42,109,181,0.15);
  --badge-blue-fg:       #5b9bd5;
  --badge-blue-border:   rgba(42,109,181,0.30);
  --badge-gray-bg:       rgba(122,130,153,0.10);
  --cert-ok:             #4caf82;
  --cert-warn:           #e8943a;
  --cert-urgent:         #e06a30;
  --cert-expired:        #e05050;
  --shadow:       0 2px 12px rgba(0,0,0,0.4);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.5);
  --modal-backdrop: rgba(0,0,0,0.7);
  --select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237a8299' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
}

/* 浅色主题 */
[data-theme="light"] {
  --bg:           #fafbfc;
  --bg-surface:   #f3f5f8;
  --bg-card:      #ffffff;
  --bg-hover:     #eef1f5;
  --border:       #d8dde6;
  --border-light: #e8ecf2;
  --text:         #1a1d24;
  --text-muted:   #5a6175;
  --text-dim:     #8893a8;
  --accent:       #1f6b3f;
  --accent-light: #2a8455;
  --accent-glow:  rgba(31,107,63,0.12);
  --warn:         #a05e1d;
  --warn-light:   #c17d2a;
  --danger:       #9c2620;
  --danger-light: #b5312a;
  --info:         #1d5396;
  --on-accent:    #ffffff;
  --on-danger:    #ffffff;
  --badge-green-bg:      rgba(31,107,63,0.10);
  --badge-green-fg:      #1f6b3f;
  --badge-green-border:  rgba(31,107,63,0.25);
  --badge-yellow-bg:     rgba(160,94,29,0.10);
  --badge-yellow-fg:     #a05e1d;
  --badge-yellow-border: rgba(160,94,29,0.25);
  --badge-orange-bg:     rgba(193,125,42,0.10);
  --badge-orange-fg:     #c17d2a;
  --badge-orange-border: rgba(193,125,42,0.25);
  --badge-red-bg:        rgba(156,38,32,0.10);
  --badge-red-fg:        #9c2620;
  --badge-red-border:    rgba(156,38,32,0.25);
  --badge-blue-bg:       rgba(29,83,150,0.10);
  --badge-blue-fg:       #1d5396;
  --badge-blue-border:   rgba(29,83,150,0.25);
  --badge-gray-bg:       rgba(90,97,117,0.08);
  --cert-ok:             #1f6b3f;
  --cert-warn:           #c17d2a;
  --cert-urgent:         #d96c1a;
  --cert-expired:        #9c2620;
  --shadow:       0 2px 12px rgba(20,30,50,0.08);
  --shadow-lg:    0 8px 32px rgba(20,30,50,0.12);
  --modal-backdrop: rgba(0,0,0,0.45);
  --select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235a6175' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: var(--sans);
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== 布局 ===== */
.app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ===== 侧边栏 ===== */
.sidebar {
  width: 220px;
  min-width: 220px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo .logo-mark {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--accent-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sidebar-logo .logo-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-top: 4px;
}

.sidebar-logo .logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.sidebar-nav { padding: 12px 0; flex: 1; }

.nav-section-label {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 12px 18px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  font-size: 13px;
  font-weight: 400;
  border-left: 2px solid transparent;
  text-decoration: none;
}

.nav-item:hover { background: var(--bg-hover); color: var(--text); }
.nav-item.active { color: var(--accent-light); border-left-color: var(--accent-light); background: var(--accent-glow); }

.nav-item .nav-icon { font-size: 14px; width: 18px; text-align: center; }

.sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-dim);
}

/* ===== 主内容区 ===== */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  height: 52px;
  min-height: 52px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}

.topbar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  flex: 1;
}

.topbar-breadcrumb .crumb-sep { color: var(--text-dim); }
.topbar-breadcrumb .crumb-current { color: var(--text); font-weight: 500; }

.topbar-actions { display: flex; align-items: center; gap: 10px; }

.page-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

/* ===== 卡片 ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title .title-tag {
  font-size: 10px;
  font-family: var(--mono);
  background: var(--accent-glow);
  color: var(--accent-light);
  border: 1px solid var(--badge-green-border);
  padding: 1px 6px;
  border-radius: 3px;
  font-weight: 400;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-light); }
.btn-secondary { background: var(--bg-hover); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--border-light); background: var(--bg-surface); }
.btn-danger { background: transparent; color: var(--danger-light); border: 1px solid var(--danger); }
.btn-danger:hover { background: var(--danger); color: var(--on-danger); }
.btn-ghost { background: transparent; color: var(--text-muted); border: 1px solid transparent; }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text); }
.btn-sm { padding: 4px 10px; font-size: 11px; }
.btn-icon { padding: 6px; width: 30px; height: 30px; justify-content: center; }

/* ===== 表单 ===== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.form-grid-2 { grid-template-columns: repeat(2, 1fr); }
.form-grid-3 { grid-template-columns: repeat(3, 1fr); }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.span-2 { grid-column: span 2; }
.form-group.span-3 { grid-column: span 3; }

.form-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-label .field-id {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-dim);
}

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

.form-input, .form-select, .form-textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--sans);
  font-size: 13px;
  padding: 8px 12px;
  transition: var(--transition);
  width: 100%;
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder { color: var(--text-dim); }
.form-input:disabled { opacity: 0.5; cursor: not-allowed; }

.form-select { appearance: none; cursor: pointer; background-image: var(--select-arrow); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }

.form-textarea { resize: vertical; min-height: 80px; }

.form-hint { font-size: 11px; color: var(--text-dim); }
.form-error { font-size: 11px; color: var(--danger-light); }

.form-section {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.form-section:last-child { border-bottom: none; margin-bottom: 0; }

.form-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ===== 表格 ===== */
.data-table { width: 100%; border-collapse: collapse; }

.data-table th {
  text-align: left;
  font-size: 10px;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--bg-hover); }

/* ===== 状态标签 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 500;
  font-family: var(--mono);
}

.badge-green  { background: var(--badge-green-bg);  color: var(--badge-green-fg);  border: 1px solid var(--badge-green-border); }
.badge-yellow { background: var(--badge-yellow-bg); color: var(--badge-yellow-fg); border: 1px solid var(--badge-yellow-border); }
.badge-orange { background: var(--badge-orange-bg); color: var(--badge-orange-fg); border: 1px solid var(--badge-orange-border); }
.badge-red    { background: var(--badge-red-bg);    color: var(--badge-red-fg);    border: 1px solid var(--badge-red-border); }
.badge-gray   { background: var(--badge-gray-bg);   color: var(--text-muted);      border: 1px solid var(--border); }
.badge-blue   { background: var(--badge-blue-bg);   color: var(--badge-blue-fg);   border: 1px solid var(--badge-blue-border); }

/* ===== 证书有效期颜色逻辑 ===== */
.cert-status-ok     { color: var(--cert-ok); }
.cert-status-warn   { color: var(--cert-warn); }
.cert-status-urgent { color: var(--cert-urgent); }
.cert-status-expired{ color: var(--cert-expired); }

/* ===== 客户卡片 ===== */
.client-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.client-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.client-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: var(--accent);
  opacity: 0;
  transition: var(--transition);
}

.client-card:hover { border-color: var(--border-light); background: var(--bg-hover); }
.client-card:hover::before { opacity: 1; }

.client-card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  padding-right: 60px;
}

.client-card-id {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.client-card-certs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.client-card-nc { display: flex; align-items: center; gap: 6px; margin-bottom: 12px; }
.client-card-site { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.client-card-tm   { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.client-card-ap   { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.client-card-cw   { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }

.cert-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 11px;
}

.cert-chip-type {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--accent-light);
}

.cert-chip-expiry { color: var(--text-muted); }

.client-card-actions {
  position: absolute;
  top: 14px;
  right: 14px;
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: var(--transition);
}

.client-card:hover .client-card-actions { opacity: 1; }

/* ===== 空状态 ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state-icon { font-size: 36px; margin-bottom: 12px; opacity: 0.4; }
.empty-state-title { font-size: 14px; font-weight: 500; color: var(--text-muted); margin-bottom: 6px; }
.empty-state-desc { font-size: 12px; color: var(--text-dim); }

/* ===== 模态框 ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 600px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(10px);
  transition: transform 0.2s;
}

.modal-overlay.open .modal { transform: translateY(0); }
.modal-lg { width: 820px; }
.modal-xl { width: 1000px; }

.modal-header {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 1;
}

.modal-title { font-size: 14px; font-weight: 600; color: var(--text); }
.modal-body { padding: 20px; }

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  position: sticky;
  bottom: 0;
  background: var(--bg-card);
}

/* ===== 通知 ===== */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 12px;
  color: var(--text);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: slideIn 0.2s ease;
  min-width: 220px;
}

.toast-success { border-left: 3px solid var(--accent-light); }
.toast-error   { border-left: 3px solid var(--danger-light); }
.toast-warn    { border-left: 3px solid var(--warn-light); }

@keyframes slideIn { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ===== 页面标题 ===== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.page-title { font-size: 18px; font-weight: 600; color: var(--text); }
.page-subtitle { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ===== 分割线 ===== */
.divider { height: 1px; background: var(--border); margin: 20px 0; }

/* ===== 搜索框 ===== */
.search-box {
  position: relative;
  width: 240px;
}

.search-box input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--sans);
  font-size: 12px;
  padding: 7px 12px 7px 32px;
  outline: none;
  transition: var(--transition);
}

.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.search-box .search-icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-dim); font-size: 13px; pointer-events: none; }

/* ===== 标签页 ===== */
.tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 20px; }

.tab-item {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: var(--transition);
  font-weight: 400;
}

.tab-item:hover { color: var(--text); }
.tab-item.active { color: var(--accent-light); border-bottom-color: var(--accent-light); font-weight: 500; }

/* ===== 加载 ===== */
.loading { display: flex; align-items: center; justify-content: center; padding: 40px; color: var(--text-muted); gap: 10px; font-size: 13px; }
.spinner { width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--accent-light); border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ===== 主题切换控件（sidebar 底部）===== */
.sidebar-theme-toggle {
  margin: auto 14px 14px;   /* margin-top: auto 配合 sidebar flex column 推到底部 */
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-shrink: 0;
}
.theme-toggle-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px 0;
  font-size: 14px;
  cursor: pointer;
  border-radius: 4px;
  transition: var(--transition);
  font-family: inherit;
}
.theme-toggle-btn:hover { background: var(--bg-hover); color: var(--text); }
.theme-toggle-btn.active { background: var(--bg-surface); color: var(--accent-light); }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; }
  .client-grid { grid-template-columns: 1fr; }
}