/* ============================================================
 * 矩算 CRM 主题系统 theme.css
 * 一套结构，四套皮肤：data-theme = dark(商务深蓝) / light(明亮轻盈·默认) / indigo(靛蓝企业) / night(暗夜护眼)
 * 通过 CSS 变量切换；旧组件类在此统一 token 化覆盖，保证整站随皮肤变色
 * ============================================================ */

/* ---------- 主题一：商务深蓝（深色侧栏） ---------- */
:root,
[data-theme="dark"] {
  --brand:#2563eb; --brand-d:#1d4ed8; --brand-soft:#eaf1ff; --brand-txt:#1d4ed8;
  --brand-grad:linear-gradient(135deg,#3b82f6,#2563eb);
  --logo-grad:linear-gradient(135deg,#3b82f6,#2563eb);
  --nav-bg:#0e1a2b; --nav-bg-2:#0c1626;
  --nav-txt:#aebfd6; --nav-group:#5f7293; --nav-hover:#1b2d4d;
  --nav-active-bg:#2563eb; --nav-active-txt:#fff; --nav-active-bar:#60a5fa;
  --nav-badge-bg:rgba(255,255,255,.16); --nav-badge-txt:#fff;
  --top-bg:#fff; --top-txt:#1c2735;
  --bg:#f4f6fa; --card:#ffffff; --line:#e7ebf2; --line-2:#eef1f6;
  --txt:#1c2735; --txt-2:#5b6779; --txt-3:#8a94a6;
  --input-bg:#f7f9fc;
  --green:#10b981; --green-soft:#e7f8f1; --green-txt:#059669;
  --amber:#f59e0b; --amber-soft:#fef4e2; --amber-txt:#d97706;
  --red:#ef4444;   --red-soft:#fdecec;  --red-txt:#dc2626;
  --violet:#8b5cf6; --violet-soft:#f1ecfe; --violet-txt:#7c3aed;
  --blue:#3b82f6; --blue-soft:#eaf1ff; --blue-txt:#2563eb;
  --cyan:#0891b2;
  --radius:12px; --radius-sm:9px; --radius-pill:9px;
  --shadow:0 1px 2px rgba(16,29,52,.04),0 4px 16px rgba(16,29,52,.06);
  --shadow-pop:0 8px 28px rgba(16,29,52,.16);
  --shadow-brand:0 4px 14px rgba(37,99,235,.30);
  --top-h:62px; --nav-w:236px;
  --nav-style:dark;
}

/* ---------- 主题二：明亮轻盈（默认） ---------- */
[data-theme="light"] {
  --brand:#0ea5b7; --brand-d:#0e8aa0; --brand-soft:#e6f8fb; --brand-txt:#0e8aa0;
  --brand-grad:linear-gradient(135deg,#22d3ee,#0ea5b7);
  --logo-grad:linear-gradient(135deg,#22d3ee,#0ea5b7);
  --nav-bg:#ffffff; --nav-bg-2:#ffffff;
  --nav-txt:#5a6781; --nav-group:#9aa4b8; --nav-hover:#f2f7fb;
  --nav-active-bg:linear-gradient(135deg,#22d3ee,#0ea5b7); --nav-active-txt:#fff; --nav-active-bar:transparent;
  --nav-badge-bg:#edf1f7; --nav-badge-txt:#5a6781;
  --top-bg:rgba(255,255,255,.86); --top-txt:#16233a;
  --bg:#f6f8fb; --card:#ffffff; --line:#eef1f6; --line-2:#e7ebf2;
  --txt:#16233a; --txt-2:#5a6781; --txt-3:#94a0b4;
  --input-bg:#f6f8fb;
  --green:#12b886; --green-soft:#e6f9f2; --green-txt:#0ca678;
  --amber:#f59f00; --amber-soft:#fff4e0; --amber-txt:#e8890c;
  --red:#fa5252;   --red-soft:#ffe8e8;  --red-txt:#e03131;
  --violet:#7950f2; --violet-soft:#f0ebfe; --violet-txt:#6741d9;
  --blue:#339af0; --blue-soft:#e7f4ff; --blue-txt:#1c7ed6;
  --cyan:#0ea5b7;
  --radius:16px; --radius-sm:12px; --radius-pill:12px;
  --shadow:0 2px 10px rgba(22,35,58,.04),0 10px 30px rgba(22,35,58,.05);
  --shadow-pop:0 10px 36px rgba(22,35,58,.16);
  --shadow-brand:0 8px 22px rgba(14,165,183,.28);
  --nav-style:light;
}

/* ---------- 主题三：靛蓝企业 ---------- */
[data-theme="indigo"] {
  --brand:#4f46e5; --brand-d:#4338ca; --brand-soft:#eef2ff; --brand-txt:#4338ca;
  --brand-grad:#4f46e5;
  --logo-grad:#4f46e5;
  --nav-bg:#fbfbfd; --nav-bg-2:#fbfbfd;
  --nav-txt:#4b5264; --nav-group:#9aa0b2; --nav-hover:#f1f2f8;
  --nav-active-bg:#eef2ff; --nav-active-txt:#4338ca; --nav-active-bar:#4f46e5;
  --nav-badge-bg:#eceef4; --nav-badge-txt:#4b5264;
  --top-bg:#fff; --top-txt:#1f2430;
  --bg:#f3f4f8; --card:#fff; --line:#e8eaf0; --line-2:#eff1f6;
  --txt:#1f2430; --txt-2:#545b6c; --txt-3:#9098a8;
  --input-bg:#f7f8fa;
  --green:#16a34a; --green-soft:#eaf7ee; --green-txt:#15803d;
  --amber:#d97706; --amber-soft:#fef3e2; --amber-txt:#b45309;
  --red:#dc2626;   --red-soft:#fee2e2;  --red-txt:#b91c1c;
  --violet:#7c3aed; --violet-soft:#f1ecfe; --violet-txt:#6d28d9;
  --blue:#2563eb; --blue-soft:#eaf1ff; --blue-txt:#1d4ed8;
  --cyan:#0891b2;
  --radius:10px; --radius-sm:8px; --radius-pill:8px;
  --shadow:0 1px 2px rgba(31,36,48,.05);
  --shadow-pop:0 8px 26px rgba(31,36,48,.14);
  --shadow-brand:0 4px 12px rgba(79,70,229,.22);
  --nav-style:light;
}


/* ---------- 主题四：暗夜护眼（黑灰藏蓝，冷色深色） ---------- */
[data-theme="night"] {
  --brand:#5b8df6; --brand-d:#4872d4; --brand-soft:#1a2340; --brand-txt:#7ba3ff;
  --brand-grad:linear-gradient(135deg,#5b8df6,#3d6ce0);
  --logo-grad:linear-gradient(135deg,#5b8df6,#3d6ce0);
  --nav-bg:#0f1219; --nav-bg-2:#0b0e15;
  --nav-txt:#7c8499; --nav-group:#4a5168; --nav-hover:#1a1e2c;
  --nav-active-bg:#3d6ce0; --nav-active-txt:#fff; --nav-active-bar:#5b8df6;
  --nav-badge-bg:rgba(91,141,246,.14); --nav-badge-txt:#7ba3ff;
  --top-bg:#161a24; --top-txt:#d0d5e0;
  --bg:#13151c; --card:#1a1e2c; --line:#282d3c; --line-2:#222636;
  --txt:#d0d5e0; --txt-2:#8890a4; --txt-3:#5a6178;
  --input-bg:#1e2232;
  --green:#34d399; --green-soft:#132b22; --green-txt:#6ee7b7;
  --amber:#f0b429; --amber-soft:#2b2415; --amber-txt:#f7c948;
  --red:#f87171;   --red-soft:#2a1619;  --red-txt:#fca5a5;
  --violet:#a78bfa; --violet-soft:#221c3a; --violet-txt:#c4b5fd;
  --blue:#5b8df6; --blue-soft:#1a2340; --blue-txt:#7ba3ff;
  --cyan:#22d3ee;
  --radius:12px; --radius-sm:9px; --radius-pill:9px;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 4px 16px rgba(0,0,0,.35);
  --shadow-pop:0 8px 28px rgba(0,0,0,.55);
  --shadow-brand:0 4px 14px rgba(61,108,224,.3);
  --nav-style:dark;
}

/* ================= 基础重置 / Token 化 ================= */
* { box-sizing:border-box; }
body {
  font-family:'PingFang SC','Microsoft YaHei',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg); color:var(--txt); font-size:14px; line-height:1.55;
  -webkit-font-smoothing:antialiased; margin:0;
  transition:background .22s ease, color .22s ease;
}
a { color:var(--brand); text-decoration:none; }
a:hover { color:var(--brand-d); }
h1,h2,h3,h4 { color:var(--txt); font-weight:650; }
hr { border:none; border-top:1px solid var(--line); }

/* ================= 应用骨架 ================= */
.app-shell { min-height:100vh; }
.sidebar {
  width:var(--nav-w); position:fixed; top:0; left:0; bottom:0; z-index:40;
  background:var(--nav-bg);
  display:flex; flex-direction:column;
  border-right:1px solid var(--line);
  transition:transform .22s ease, background .22s ease;
}
[data-theme="dark"] .sidebar, [data-theme="night"] .sidebar { background-image:linear-gradient(180deg,var(--nav-bg) 0%,var(--nav-bg-2) 100%); border-right:none; }

.side-brand { display:flex; align-items:center; gap:11px; padding:18px 18px 14px; }
.brand-logo {
  width:36px; height:36px; border-radius:10px; background:var(--logo-grad);
  display:flex; align-items:center; justify-content:center; color:#fff;
  font-weight:800; font-size:17px; letter-spacing:-1px; flex-shrink:0; box-shadow:var(--shadow-brand);
}
.brand-name { font-size:15.5px; font-weight:750; color:var(--txt); line-height:1.2; white-space:nowrap; }
.brand-sub { font-size:11px; color:var(--nav-group); margin-top:2px; }
[data-theme="dark"] .brand-name, [data-theme="night"] .brand-name { color:#fff; }

.side-scroll { flex:1; overflow-y:auto; padding:6px 10px 14px; }
.side-scroll::-webkit-scrollbar { width:0; }
.nav-group { margin-top:12px; }
.nav-group-title {
  font-size:11px; font-weight:650; color:var(--nav-group); letter-spacing:.6px;
  padding:6px 12px 5px; text-transform:uppercase; white-space:nowrap;
}
.nav-menu { list-style:none; margin:0; padding:0; display:block !important; }
.nav-item { list-style:none; margin:1px 0; }
.nav-item a, .nav-link {
  position:relative; display:flex; align-items:center; gap:11px;
  padding:9px 12px; border-radius:var(--radius-pill);
  color:var(--nav-txt); font-size:13.5px; font-weight:500; white-space:nowrap;
  transition:background .15s,color .15s; text-decoration:none;
}
.nav-ic { width:18px; height:18px; flex-shrink:0; display:flex; stroke-width:1.9; }
.nav-ic svg { width:18px; height:18px; }
.nav-text { flex:1; }
.nav-item a:hover { background:var(--nav-hover); color:var(--brand-d); }
[data-theme="dark"] .nav-item a:hover, [data-theme="night"] .nav-item a:hover { color:#fff; }
[data-theme="dark"] .nav-item a:hover, [data-theme="night"] .nav-item a:hover { color:#fff; }
.nav-item.active a, .nav-item a.active {
  background:var(--nav-active-bg); color:var(--nav-active-txt); font-weight:600;
  box-shadow:var(--nav-style) == dark ? 0 4px 12px rgba(37,99,235,.35) : var(--shadow-brand);
}
[data-theme="indigo"] .nav-item.active a { box-shadow:none; }
.nav-item.active a::before {
  content:""; position:absolute; left:-10px; top:50%; transform:translateY(-50%);
  width:3px; height:18px; border-radius:0 3px 3px 0; background:var(--nav-active-bar);
}
[data-theme="light"] .nav-item.active a::before { display:none; }
.nav-item.active .nav-ic, .nav-item a.active .nav-ic { color:#fff; }
[data-theme="indigo"] .nav-item.active .nav-ic { color:var(--brand-d); }
.nav-badge {
  margin-left:auto; font-size:11px; font-weight:700; border-radius:20px;
  padding:0 7px; line-height:17px; min-width:18px; text-align:center;
  background:var(--nav-badge-bg); color:var(--nav-badge-txt);
}
.nav-item.active .nav-badge { background:rgba(255,255,255,.25); color:#fff; }
[data-theme="indigo"] .nav-item.active .nav-badge { background:var(--brand); color:#fff; }
.nav-badge.hot { background:var(--red-soft); color:var(--red-txt); }
.nav-item.active .nav-badge.hot { background:rgba(255,255,255,.25); color:#fff; }
.side-foot { padding:10px 14px 14px; border-top:1px solid var(--line); font-size:11.5px; color:var(--nav-group); display:flex; align-items:center; gap:7px; }
[data-theme="dark"] .side-foot, [data-theme="night"] .side-foot { border-top-color:rgba(255,255,255,.08); }
.live-dot { width:7px; height:7px; border-radius:50%; background:var(--green); box-shadow:0 0 0 3px rgba(16,185,129,.18); flex-shrink:0; }

/* 顶栏 */
.main-area { margin-left:var(--nav-w); min-height:100vh; display:flex; flex-direction:column; }
.topbar {
  height:var(--top-h); background:var(--top-bg);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  display:flex; align-items:center; gap:16px; padding:0 26px;
  position:sticky; top:0; z-index:30;
}
[data-theme="dark"] .topbar { background:#fff; }
.topbar-title { font-size:16px; font-weight:700; color:var(--txt); white-space:nowrap; }
.global-search { position:relative; flex:1; max-width:420px; }
.global-search svg { position:absolute; left:12px; top:50%; transform:translateY(-50%); width:16px; height:16px; color:var(--txt-3); }
.global-search input {
  width:100%; height:38px; border:1px solid var(--line); background:var(--input-bg);
  border-radius:var(--radius-pill); padding:0 14px 0 38px; font-size:13px; outline:none; color:var(--txt);
  transition:.16s;
}
.global-search input:focus { border-color:var(--brand); background:var(--card); box-shadow:0 0 0 3px var(--brand-soft); }
.global-search kbd { position:absolute; right:10px; top:50%; transform:translateY(-50%); font-size:11px; color:var(--txt-3); border:1px solid var(--line); border-radius:5px; padding:1px 6px; background:var(--card); }
.top-actions { margin-left:auto; display:flex; align-items:center; gap:8px; }
.icon-btn {
  width:38px; height:38px; border-radius:var(--radius-pill); display:flex; align-items:center; justify-content:center;
  color:var(--txt-2); cursor:pointer; position:relative; background:transparent; border:none; transition:.15s;
}
.icon-btn svg { width:19px; height:19px; }
.icon-btn:hover { background:var(--nav-hover); color:var(--brand-d); }
.icon-badge { position:absolute; top:6px; right:6px; width:8px; height:8px; background:var(--red); border-radius:50%; border:2px solid var(--card); }
.tenant-tag { font-size:12px; color:var(--txt-2); background:var(--brand-soft); color:var(--brand-txt); padding:4px 11px; border-radius:20px; font-weight:600; }
.role-chip { font-size:11.5px; font-weight:600; padding:3px 10px; border-radius:20px; background:var(--violet-soft); color:var(--violet-txt); }
.user-chip { display:flex; align-items:center; gap:9px; padding:4px 8px 4px 4px; border-radius:30px; cursor:pointer; }
.user-chip:hover { background:var(--nav-hover); }
.avatar {
  width:34px; height:34px; border-radius:var(--radius-pill); background:var(--brand-grad);
  color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:13px; flex-shrink:0;
}
.user-meta { line-height:1.25; }
.user-meta .uname { font-size:13px; font-weight:650; color:var(--txt); }
.user-meta .uphone { font-size:11px; color:var(--txt-3); }
.btn-logout {
  display:inline-flex; align-items:center; gap:5px; font-size:12.5px; color:var(--txt-2);
  padding:6px 11px; border-radius:var(--radius-pill); border:1px solid var(--line); background:var(--card);
}
.btn-logout:hover { color:var(--red-txt); border-color:var(--red-soft); background:var(--red-soft); }

.content { flex:1; padding:26px 28px 40px; margin-left:0 !important; min-height:calc(100vh - var(--top-h)); }

/* ================= 换肤器 ================= */
.skin-pop {
  position:absolute; top:48px; right:0; width:248px; background:var(--card);
  border:1px solid var(--line); border-radius:var(--radius-sm); box-shadow:var(--shadow-pop);
  padding:14px; z-index:60; display:none;
}
.skin-pop.open { display:block; }
.skin-pop h4 { margin:0 0 4px; font-size:13.5px; }
.skin-pop .skin-hint { font-size:11.5px; color:var(--txt-3); margin:0 0 12px; }
.skin-opt {
  display:flex; align-items:center; gap:11px; padding:9px 10px; border-radius:var(--radius-sm);
  cursor:pointer; border:2px solid transparent; margin-bottom:6px; transition:.15s;
}
.skin-opt:hover { background:var(--bg); }
.skin-opt.cur { border-color:var(--brand); background:var(--brand-soft); }
.skin-swatch { width:34px; height:34px; border-radius:9px; flex-shrink:0; position:relative; overflow:hidden; box-shadow:inset 0 0 0 1px rgba(0,0,0,.06); }
.skin-swatch .sw-bar { position:absolute; left:0; top:0; bottom:0; width:11px; }
.skin-swatch .sw-accent { position:absolute; left:13px; top:8px; width:16px; height:6px; border-radius:3px; }
.skin-swatch .sw-accent2 { position:absolute; left:13px; top:19px; width:9px; height:6px; border-radius:3px; }
.skin-opt .skin-name { font-size:13px; font-weight:600; color:var(--txt); }
.skin-opt .skin-desc { font-size:11px; color:var(--txt-3); }
.skin-check { margin-left:auto; color:var(--brand); display:none; }
.skin-opt.cur .skin-check { display:block; }

/* ================= 通用组件 token 化 ================= */
.page-header { margin-bottom:20px; }
.page-header h2 { font-size:20px; margin:0; font-weight:700; }
.page-header .page-sub { font-size:12.5px; color:var(--txt-3); margin-top:3px; }
.header-actions { display:flex; gap:9px; align-items:center; flex-wrap:wrap; }

.detail-card, .form-card, .filter-bar, .chart-card {
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.detail-card { padding:20px; margin-bottom:16px; }
.detail-card h3 { font-size:15px; margin:0 0 14px; }
.form-card, .filter-bar { padding:16px 18px; margin-bottom:16px; }
.chart-card { padding:18px; }

.btn, .btn-primary, .btn-secondary, .btn-sm, .btn-primary-sm, .btn-filter, .btn-back {
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  border-radius:var(--radius-pill); font-size:13.5px; font-weight:550; cursor:pointer;
  border:1px solid var(--line); background:var(--card); color:var(--txt);
  padding:8px 16px; transition:.15s; text-decoration:none; line-height:1.4;
}
.btn:hover, .btn-back:hover, .btn-filter:hover { border-color:var(--brand); color:var(--brand-d); background:var(--brand-soft); }
.btn-primary, .btn-primary-sm {
  background:var(--brand); border-color:var(--brand); color:#fff; box-shadow:var(--shadow-brand);
}
.btn-primary:hover, .btn-primary-sm:hover { background:var(--brand-d); border-color:var(--brand-d); color:#fff; }
.btn-secondary { background:var(--card); }
.btn-sm, .btn-primary-sm { padding:5px 12px; font-size:12.5px; }
.btn-danger-sm, .btn-danger-text { color:var(--red-txt); }
.btn-danger-sm { border:1px solid var(--red-soft); background:var(--card); border-radius:var(--radius-pill); padding:5px 12px; font-size:12.5px; cursor:pointer; }
.btn-danger-sm:hover { background:var(--red-soft); }
.btn-danger-text:hover { color:var(--red); }
.btn-link { color:var(--brand); }
.action-btn, .action-buttons a, .action-buttons button { border-radius:var(--radius-sm); }

input[type=text], input[type=password], input[type=email], input[type=number], input[type=date],
input[type=search], input[type=tel], select, textarea,
.form-input-sm, .form-select-sm, .filter-input, .followup-form input, .followup-form select, .followup-form textarea {
  border:1px solid var(--line-2); background:var(--input-bg); color:var(--txt);
  border-radius:var(--radius-sm); padding:8px 12px; font-size:13.5px; outline:none; transition:.15s;
}
input:focus, select:focus, textarea:focus, .form-input-sm:focus, .filter-input:focus {
  border-color:var(--brand); background:var(--card); box-shadow:0 0 0 3px var(--brand-soft);
}
.form-group label { font-size:13px; color:var(--txt-2); font-weight:550; }
.crud-form .form-group { margin-bottom:15px; }
textarea { min-height:80px; }

.data-table { width:100%; border-collapse:separate; border-spacing:0; background:var(--card); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); border:1px solid var(--line); }
.data-table th {
  background:var(--bg); color:var(--txt-2); font-size:12.5px; font-weight:650;
  text-align:left; padding:12px 16px; border-bottom:1px solid var(--line); white-space:nowrap;
}
.data-table td { padding:12px 16px; border-bottom:1px solid var(--line-2); font-size:13.5px; color:var(--txt); }
.data-table tr:last-child td { border-bottom:none; }
.data-table tbody tr { transition:background .12s; }
.data-table tbody tr:hover { background:var(--brand-soft); }

.flash-msg { border-radius:var(--radius-sm); padding:11px 15px; margin-bottom:14px; font-size:13.5px; border:1px solid; }
.flash-success { background:var(--green-soft); color:var(--green-txt); border-color:transparent; }
.flash-error { background:var(--red-soft); color:var(--red-txt); border-color:transparent; }
.flash-info { background:var(--brand-soft); color:var(--brand-txt); border-color:transparent; }
.error-msg { color:var(--red-txt); font-size:12.5px; }
.success-msg { color:var(--green-txt); font-size:12.5px; }

.count-badge, .key-badge { background:var(--brand-soft); color:var(--brand-txt); border-radius:20px; padding:1px 9px; font-size:12px; font-weight:600; }
.empty-state, .empty-hint { text-align:center; color:var(--txt-3); padding:40px 20px; }
.empty-icon { font-size:38px; opacity:.5; }
.dot { border-radius:50%; display:inline-block; }

/* 分页 */
.pagination { display:flex; gap:5px; align-items:center; margin-top:18px; flex-wrap:wrap; }
.page-btn, .page-link {
  min-width:34px; height:34px; padding:0 10px; border:1px solid var(--line); background:var(--card);
  border-radius:var(--radius-sm); color:var(--txt-2); display:inline-flex; align-items:center; justify-content:center; font-size:13px; cursor:pointer;
}
.page-btn:hover, .page-link:hover { border-color:var(--brand); color:var(--brand-d); }
.page-active { background:var(--brand); border-color:var(--brand); color:#fff; }
.page-ellipsis { border:none; background:transparent; }
.page-info { color:var(--txt-3); font-size:12.5px; }

/* ================= 登录页（未登录壳） ================= */
.login-page, .login-container {
  min-height:100vh; background:
    radial-gradient(1100px 500px at 12% -8%, var(--brand-soft), transparent 60%),
    radial-gradient(900px 480px at 108% 12%, var(--violet-soft), transparent 55%),
    var(--bg);
}
.login-box {
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  box-shadow:var(--shadow-pop);
}
.btn-login { background:var(--brand); border-color:var(--brand); color:#fff; border-radius:var(--radius-pill); box-shadow:var(--shadow-brand); }
.btn-login:hover { background:var(--brand-d); }
.btn-send-code { border-radius:var(--radius-pill); }

/* ================= 响应式：窄屏折叠侧栏 ================= */
.side-toggle { display:none; }
@media (max-width: 960px) {
  .sidebar { transform:translateX(-100%); box-shadow:var(--shadow-pop); }
  .sidebar.open { transform:translateX(0); }
  .main-area { margin-left:0; }
  .side-toggle { display:inline-flex; }
  .global-search { display:none; }
  .user-meta { display:none; }
}

/* ===== 个人设置：界面皮肤卡片 ===== */
.theme-picker { display:flex; gap:16px; flex-wrap:wrap; }
.theme-card { width:200px; box-sizing:border-box; border:2px solid var(--line,#e6e8ee); border-radius:12px; padding:10px; cursor:pointer;
  display:flex; flex-direction:column;
  background:var(--card,#fff); transition:border-color .15s, box-shadow .15s, transform .1s; }
.theme-card:hover { transform:translateY(-2px); box-shadow:var(--shadow,0 6px 18px rgba(16,24,40,.08)); }
.theme-card.cur { border-color:var(--brand,#2563eb); box-shadow:0 0 0 3px var(--brand-soft,rgba(37,99,235,.12)); }
.theme-thumb { position:relative; display:block; width:100%; box-sizing:border-box; height:84px; border-radius:8px; overflow:hidden; border:1px solid rgba(0,0,0,.07); margin:0 0 10px; }
.theme-thumb .tt-bar { position:absolute; left:0; top:0; bottom:0; width:30%; display:block; }
.theme-thumb .tt-a { position:absolute; left:36%; top:16px; width:46%; height:9px; border-radius:5px; display:block; }
.theme-thumb .tt-b { position:absolute; left:36%; top:34px; width:30%; height:9px; border-radius:5px; display:block; }
.tt-dark { background:#eef2f8; }
.tt-dark .tt-bar { background:#0e1a2b; } .tt-dark .tt-a { background:#2563eb; } .tt-dark .tt-b { background:#aebfd6; }
.tt-light { background:#f4f8fa; }
.tt-light .tt-bar { background:#fff; border-right:1px solid #e6e8ee; } .tt-light .tt-a { background:#0ea5b7; } .tt-light .tt-b { background:#9fb0c3; }
.tt-indigo { background:#f1f0fb; }
.tt-indigo .tt-bar { background:#fbfbfd; border-right:1px solid #ececf3; } .tt-indigo .tt-a { background:#4f46e5; } .tt-indigo .tt-b { background:#9aa0b2; }
.tt-night { background:#1a1e2c; border-color:#282d3c; }
.tt-night .tt-bar { background:#0f1219; } .tt-night .tt-a { background:#5b8df6; } .tt-night .tt-b { background:#7c8499; }

.theme-meta { display:flex; align-items:center; justify-content:space-between; padding:10px 4px 2px; }
.theme-meta b { font-size:14px; color:var(--txt,#1f2433); }
.theme-check { width:20px; height:20px; border-radius:50%; background:var(--brand,#2563eb); color:#fff;
  font-style:normal; font-size:12px; display:none; align-items:center; justify-content:center; }
.theme-card.cur .theme-check { display:inline-flex; }

/* ===== 工作台 KPI 线性图标卡（替换原 emoji） ===== */
.stat-icon { width:46px; height:46px; border-radius:12px; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.stat-icon svg { width:24px; height:24px; }
.si-blue  { background:#eaf1ff; color:#3b82f6; }
.si-cyan  { background:#e6fafd; color:#06b6d4; }
.si-green { background:var(--green-soft); color:var(--green-txt); }
.si-amber { background:var(--amber-soft); color:var(--amber-txt); }
.si-red   { background:var(--red-soft); color:var(--red-txt); }
.stat-card-alert .si-red { animation:none; }

/* 图表配色跟随当前皮肤主色 */
.bar-fill { background:var(--brand-grad) !important; }
.bar-col:hover .bar-fill { background:var(--brand-d) !important; }
.hbar-fill { background:var(--brand-grad) !important; }
.dot-0 { background:var(--brand) !important; }
.bar-val { color:var(--txt-2); }

/* 快捷操作：线性图标对齐 */
.action-btn svg { width:17px; height:17px; vertical-align:-3px; margin-right:5px; }
.action-btn span { display:inline-flex; }

/* 顶栏退出按钮：修复竖排 */
.btn-logout { display:inline-flex; align-items:center; gap:5px; white-space:nowrap; padding:6px 13px; line-height:1; }
.btn-logout svg { width:15px; height:15px; flex-shrink:0; }

/* ---------- 暗夜专属微调 ---------- */
[data-theme="night"] .skin-opt { border-color:#2a2f40; background:#1e2232; color:var(--txt); }
[data-theme="night"] .skin-opt.cur { border-color:#5b8df6; background:#1a2340; }
[data-theme="night"] .skin-opt:hover { border-color:#5b8df6; background:#222840; }
[data-theme="night"] .skin-hint { color:var(--txt-3); }
[data-theme="night"] .skin-desc { color:var(--txt-2); }
[data-theme="night"] .skin-swatch { border-color:#2a2f40; }
[data-theme="night"] .theme-thumb { border-color:#2a2f40; }
[data-theme="night"] h1, [data-theme="night"] h2, [data-theme="night"] h3, [data-theme="night"] h4 { color:var(--txt); }
[data-theme="night"] .detail-card,
[data-theme="night"] .card-panel,
[data-theme="night"] .chart-card { background:var(--card); border-color:var(--line); }
[data-theme="night"] .icon-btn:hover { background:#1a2340; color:#7ba3ff; }
[data-theme="night"] .icon-btn { color:var(--txt-2); }
[data-theme="night"] .icon-btn svg { stroke:currentColor; }
[data-theme="night"] .btn-logout { border-color:#2a2f40; color:var(--txt-2); background:transparent; }
[data-theme="night"] .btn-logout:hover { border-color:#5b8df6; color:#7ba3ff; background:#1a2340; }
[data-theme="night"] .global-search input { border-color:#2a2f40; color:var(--txt); background:var(--input-bg); }
[data-theme="night"] .global-search input:focus { border-color:#5b8df6; background:var(--card); box-shadow:0 0 0 3px rgba(91,141,246,.18); }
[data-theme="night"] .global-search kbd { border-color:#2a2f40; background:var(--card); color:var(--txt-3); }
[data-theme="night"] .tenant-tag { background:rgba(91,141,246,.14); color:#7ba3ff; }

/* ---------- 暗夜主题：统计卡片深色化 ---------- */
[data-theme="night"] .stat-card {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 1px 3px rgba(0,0,0,.3);
}
[data-theme="night"] .stat-number { color: var(--txt); }
[data-theme="night"] .stat-label { color: var(--txt-2); }

/* 图标背景色调整为冷色调 */
[data-theme="night"] .si-blue  { background: #1a2340; color: #5b8df6; }
[data-theme="night"] .si-cyan  { background: #0f2530; color: #22d3ee; }
[data-theme="night"] .si-green { background: #132b22; color: #34d399; }
[data-theme="night"] .si-amber { background: #2a2520; color: #d4a574; }
[data-theme="night"] .si-red   { background: #2a1f25; color: #f87171; }

/* ---------- 暗夜主题：横向柱状图深色化 ---------- */
[data-theme="night"] .hbar-track {
  background: var(--line-2);
}
[data-theme="night"] .hbar-fill {
  background: linear-gradient(90deg, #3d6ce0, #5b8df6);
}
[data-theme="night"] .hbar-count {
  color: var(--txt-2);
}

/* ---------- 暗夜主题：其他白色背景元素 ---------- */
[data-theme="night"] .section-card,
[data-theme="night"] .card-panel,
[data-theme="night"] .chart-card,
[data-theme="night"] .detail-card {
  background: var(--card);
  border-color: var(--line);
}