/* ==========================================================================
   恒易泰 · 设计系统基座（公开站与客户门户共用）
   ========================================================================== */

/* ---------- 设计令牌 / Design tokens ---------- */
:root {
  /* 品牌色 */
  --brand-950: #04182b;
  --brand-900: #07253f;
  --brand-800: #0a3355;
  --brand-700: #0d4470;
  --brand-600: #10588f;
  --brand-500: #1268a8;
  --brand-300: #6ea8d4;
  --brand-100: #dceaf6;
  --brand-50: #f2f7fc;

  --accent: #17b8c8;
  --accent-dark: #0f8f9c;
  --accent-light: #5fd8e4;
  --accent-soft: rgba(23, 184, 200, 0.12);

  --ok: #16a34a;
  --ok-soft: rgba(22, 163, 74, 0.12);
  --warn: #f59e0b;
  --warn-soft: rgba(245, 158, 11, 0.14);
  --danger: #ef4444;
  --danger-soft: rgba(239, 68, 68, 0.12);
  --critical: #d92d20;
  --info: #3b82f6;

  /* 中性色（浅色主题） */
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --bg-mute: #eef2f7;
  --panel: #ffffff;
  --panel-2: #f9fbfd;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f2038;
  --text-2: #4a5b70;
  --text-3: #8296ab;
  --text-inv: #ffffff;

  /* 排版 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei",
    "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "Cascadia Mono", Consolas, "Liberation Mono", monospace;

  /* 尺寸 */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --shadow-sm: 0 1px 2px rgba(15, 32, 56, 0.06);
  --shadow: 0 4px 16px rgba(15, 32, 56, 0.08);
  --shadow-lg: 0 14px 40px rgba(15, 32, 56, 0.14);
  --header-h: 68px;
  --maxw: 1240px;
  --tr: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 深色主题（客户门户：控制室风格） */
[data-theme="dark"] {
  --bg: #0a1420;
  --bg-soft: #0e1b2a;
  --bg-mute: #132335;
  --panel: #101f30;
  --panel-2: #16283c;
  --border: #1e344b;
  --border-strong: #2a4763;
  --text: #e8f1fa;
  --text-2: #a3b8ce;
  --text-3: #6d849c;
  --brand-50: #0e1b2a;
  --brand-100: #14283c;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow: 0 6px 22px rgba(0, 0, 0, 0.42);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.5);
  color-scheme: dark;
}

/* ---------- 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--brand-600); text-decoration: none; transition: color var(--tr); }
a:hover { color: var(--accent-dark); }
[data-theme="dark"] a { color: var(--accent-light); }
h1, h2, h3, h4, h5 { margin: 0 0 0.6em; font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.9rem, 3.6vw, 3rem); }
h2 { font-size: clamp(1.4rem, 2.4vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
button, input, select, textarea { font: inherit; color: inherit; }
code, pre, .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--accent-soft); }

/* ---------- 布局 ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.container-narrow { max-width: 880px; }
.section { padding: 74px 0; }
.section-sm { padding: 44px 0; }
.section-soft { background: var(--bg-soft); }
.row { display: flex; gap: 16px; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.row-wrap { flex-wrap: wrap; }
.col { display: flex; flex-direction: column; gap: 16px; }
.center { text-align: center; }
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.spacer { flex: 1; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; } .mt-4 { margin-top: 34px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 34px; }
.muted { color: var(--text-2); }
.dim { color: var(--text-3); }
.small { font-size: 0.86rem; }
.tiny { font-size: 0.78rem; }
.strong { font-weight: 600; }
.nowrap { white-space: nowrap; }
.hidden { display: none !important; }
.text-accent { color: var(--accent-dark); }
[data-theme="dark"] .text-accent { color: var(--accent-light); }

/* ---------- 区块标题 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent-dark); margin-bottom: 12px;
}
[data-theme="dark"] .eyebrow { color: var(--accent-light); }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; border-radius: 2px; }
.section-title { margin-bottom: 12px; }
.section-lead { color: var(--text-2); max-width: 760px; font-size: 1.03rem; }
.center .section-lead { margin-left: auto; margin-right: auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--radius); border: 1px solid transparent;
  background: var(--bg-mute); color: var(--text);
  font-weight: 600; font-size: 0.94rem; line-height: 1.2; cursor: pointer;
  transition: transform var(--tr), background var(--tr), border-color var(--tr), box-shadow var(--tr), opacity var(--tr);
  white-space: nowrap; text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-primary { background: linear-gradient(135deg, var(--brand-600), var(--brand-500)); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: linear-gradient(135deg, var(--brand-500), var(--accent-dark)); color: #fff; }
.btn-accent { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: #04222a; }
.btn-accent:hover { color: #04222a; filter: brightness(1.06); }
.btn-outline { background: transparent; border-color: var(--border-strong); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent-dark); }
[data-theme="dark"] .btn-outline:hover { color: var(--accent-light); }
.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--bg-mute); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { color: #fff; background: #dc2626; }
.btn-sm { padding: 6px 13px; font-size: 0.84rem; border-radius: var(--radius-sm); }
.btn-lg { padding: 14px 30px; font-size: 1.03rem; border-radius: var(--radius-lg); }
.btn-block { width: 100%; }
.btn-group { display: inline-flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 22px; box-shadow: var(--shadow-sm); transition: box-shadow var(--tr), border-color var(--tr), transform var(--tr);
}
.card-hover:hover { box-shadow: var(--shadow); border-color: var(--border-strong); transform: translateY(-3px); }
.card-flush { padding: 0; overflow: hidden; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 16px; }
.card-head h3, .card-head h2 { margin: 0; }
.card-title { font-size: 1.02rem; font-weight: 700; margin: 0; }
.card-sub { font-size: 0.84rem; color: var(--text-3); }
.card-body { padding: 18px 20px; }
.card-accent { border-top: 3px solid var(--accent); }

/* ---------- 徽标 / 状态 ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 999px; font-size: 0.76rem; font-weight: 700;
  background: var(--bg-mute); color: var(--text-2); white-space: nowrap; line-height: 1.7;
}
.badge-ok { background: var(--ok-soft); color: #157f3c; }
.badge-warn { background: var(--warn-soft); color: #a15c07; }
.badge-danger { background: var(--danger-soft); color: #b91c1c; }
.badge-critical { background: rgba(217, 45, 32, 0.15); color: #d92d20; }
.badge-info { background: rgba(59, 130, 246, 0.13); color: #1d4ed8; }
.badge-accent { background: var(--accent-soft); color: var(--accent-dark); }
.badge-ghost { background: transparent; border: 1px solid var(--border-strong); }
[data-theme="dark"] .badge-ok { color: #4ade80; }
[data-theme="dark"] .badge-warn { color: #fbbf24; }
[data-theme="dark"] .badge-danger { color: #f87171; }
[data-theme="dark"] .badge-critical { color: #ff7b72; }
[data-theme="dark"] .badge-info { color: #7cb2ff; }
[data-theme="dark"] .badge-accent { color: var(--accent-light); }

.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-3); flex: none; }
.dot-ok { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); }
.dot-warn { background: var(--warn); box-shadow: 0 0 0 3px var(--warn-soft); }
.dot-danger { background: var(--danger); box-shadow: 0 0 0 3px var(--danger-soft); }
.dot-idle { background: var(--text-3); }
.dot-live { animation: pulse 2s infinite; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(23, 184, 200, 0.55); }
  50% { box-shadow: 0 0 0 6px rgba(23, 184, 200, 0); }
}

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); }
table.table { width: 100%; border-collapse: collapse; font-size: 0.89rem; }
table.table th, table.table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.table th {
  background: var(--bg-soft); font-weight: 700; font-size: 0.8rem; letter-spacing: 0.03em;
  color: var(--text-2); text-transform: uppercase; position: sticky; top: 0; z-index: 1;
}
table.table tbody tr:last-child td { border-bottom: none; }
table.table tbody tr:hover { background: var(--bg-soft); }
table.table td.num, table.table th.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.table-compact th, .table-compact td { padding: 7px 11px; }

/* ---------- 表单 ---------- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.label { font-size: 0.86rem; font-weight: 600; color: var(--text-2); }
.label .req { color: var(--danger); margin-left: 3px; }
.input, .select, .textarea {
  width: 100%; padding: 10px 13px; border: 1px solid var(--border-strong); border-radius: var(--radius);
  background: var(--bg); color: var(--text); transition: border-color var(--tr), box-shadow var(--tr);
}
[data-theme="dark"] .input, [data-theme="dark"] .select, [data-theme="dark"] .textarea { background: var(--bg-soft); }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.textarea { min-height: 116px; resize: vertical; }
.input::placeholder, .textarea::placeholder { color: var(--text-3); }
.input-group { display: flex; gap: 10px; align-items: center; }
.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 0.9rem; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }
.form-error { color: var(--danger); font-size: 0.85rem; margin-top: 4px; }
.hint { font-size: 0.8rem; color: var(--text-3); }

/* ---------- 提示条 ---------- */
.alert { padding: 12px 15px; border-radius: var(--radius); border: 1px solid; font-size: 0.9rem; margin-bottom: 16px; }
.alert-info { background: rgba(59, 130, 246, 0.08); border-color: rgba(59, 130, 246, 0.3); color: var(--text-2); }
.alert-warn { background: var(--warn-soft); border-color: rgba(245, 158, 11, 0.4); }
.alert-danger { background: var(--danger-soft); border-color: rgba(239, 68, 68, 0.4); }
.alert-ok { background: var(--ok-soft); border-color: rgba(22, 163, 74, 0.35); }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(4, 16, 28, 0.6); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 200;
  opacity: 0; pointer-events: none; transition: opacity var(--tr);
}
.modal-mask.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--panel); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  width: 100%; max-width: 520px; max-height: 88vh; overflow: auto;
  transform: translateY(10px) scale(0.98); transition: transform var(--tr);
}
.modal-mask.open .modal { transform: none; }
.modal-head { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-head h3 { margin: 0; font-size: 1.06rem; }
.modal-body { padding: 20px 22px; }
.modal-foot { padding: 16px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }
.modal-close { background: none; border: none; font-size: 1.4rem; line-height: 1; cursor: pointer; color: var(--text-3); padding: 0 4px; }
.modal-close:hover { color: var(--text); }
.modal-wide { max-width: 760px; }

/* ---------- 轻提示 ---------- */
#toasts { position: fixed; right: 20px; bottom: 20px; z-index: 300; display: flex; flex-direction: column; gap: 10px; max-width: 360px; }
.toast {
  background: var(--panel); border: 1px solid var(--border); border-left: 4px solid var(--accent);
  border-radius: var(--radius); padding: 12px 16px; box-shadow: var(--shadow-lg);
  animation: toastIn 0.22s ease-out; font-size: 0.9rem;
}
.toast.ok { border-left-color: var(--ok); }
.toast.err { border-left-color: var(--danger); }
.toast.warn { border-left-color: var(--warn); }
.toast-title { font-weight: 700; margin-bottom: 2px; }
@keyframes toastIn { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: none; } }

/* ---------- 空态 / 加载 ---------- */
.empty { text-align: center; padding: 52px 20px; color: var(--text-3); }
.empty-icon { font-size: 2.4rem; margin-bottom: 10px; opacity: 0.6; }
.skeleton {
  background: linear-gradient(90deg, var(--bg-mute) 25%, var(--bg-soft) 37%, var(--bg-mute) 63%);
  background-size: 400% 100%; animation: shimmer 1.3s ease-in-out infinite; border-radius: var(--radius-sm);
}
@keyframes shimmer { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }
.spinner {
  width: 18px; height: 18px; border: 2px solid var(--border-strong); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 标签页 ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; overflow-x: auto; }
.tab {
  padding: 9px 16px; border: none; background: none; cursor: pointer; font-weight: 600; font-size: 0.9rem;
  color: var(--text-3); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap;
  transition: color var(--tr), border-color var(--tr);
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent-dark); border-bottom-color: var(--accent); }
[data-theme="dark"] .tab.active { color: var(--accent-light); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- 数据展示 ---------- */
.kpi-value { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 2rem; font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
.kpi-label { font-size: 0.82rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.kpi-unit { font-size: 0.9rem; color: var(--text-3); font-weight: 600; margin-left: 4px; }
.metric-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.metric-row:last-child { border-bottom: none; }
.metric-name { font-size: 0.88rem; color: var(--text-2); }
.metric-val { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 700; font-size: 1rem; }
.trend-up { color: var(--danger); }
.trend-down { color: var(--ok); }

/* ---------- 页头（公开站） ---------- */
/* 语言切换 */
.lang-switch { display: inline-flex; border: 1px solid var(--border-strong); border-radius: 999px; overflow: hidden; }
.lang-switch button {
  border: none; background: transparent; padding: 4px 11px; font-size: 0.78rem; font-weight: 700;
  cursor: pointer; color: var(--text-3); transition: background var(--tr), color var(--tr);
}
.lang-switch button.active { background: var(--accent); color: #04222a; }

/* ---------- 工具类 ---------- */
.scroll-y { overflow-y: auto; }
.divider { height: 1px; background: var(--border); margin: 20px 0; border: none; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.link-plain { color: inherit; }
.link-plain:hover { color: var(--accent-dark); }
.aspect { position: relative; padding-top: 56.25%; }
.aspect > * { position: absolute; inset: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  body { font-size: 14.5px; }
  .section { padding: 52px 0; }
  .container { padding: 0 16px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
  .card { padding: 18px; }
  #toasts { right: 12px; left: 12px; bottom: 12px; max-width: none; }
  .row-between { flex-wrap: wrap; }
}

@media print {
  .no-print { display: none !important; }
  body { background: #fff; }
}