/* ═══════════════════════════════════════════
   科技馆餐厅经营数据驾驶舱 — 样式 v3
   深空科技风 · 毛玻璃(10% 透明) · 宇宙元素
   ---------------------------------------------------------------
   说明:本次仅改「样式层」。所有类名/结构/JS 依赖的 id 一律保持原样,
        宇宙背景全部用 body 的多层 background 绘制(不新增 DOM),
        因此不影响数据呈现、筛选与图表交互。
   ═══════════════════════════════════════════ */

/* ─── 设计变量 ─── */
:root {
  /* 深空底色 */
  --space-1: #04060E;
  --space-2: #070C1A;
  --space-3: #0A1122;

  /* 毛玻璃:不透明度 10%(按需求设定) */
  --glass: rgba(255, 255, 255, 0.10);
  --glass-strong: rgba(255, 255, 255, 0.14);
  --glass-soft: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.16);
  --glass-border-hi: rgba(140, 200, 255, 0.34);
  --glass-inner: rgba(3, 7, 18, 0.30);   /* 图表区极淡内衬(保可读性) */
  --blur: 16px;

  /* 文字 */
  --text: #E9EFFB;
  --text-secondary: #A5B4CD;
  --text-light: #6E7F9B;

  /* 科技色(深底上整体提亮) */
  --primary: #38BDF8;
  --primary-2: #818CF8;
  --primary-3: #22D3EE;
  --cyan: #22D3EE;
  --green: #34D399;
  --orange: #FBBF24;
  --red: #F87171;
  --pink: #F472B6;
  --purple: #A78BFA;

  /* 涨跌语义色 */
  --up: #34D399;
  --down: #F87171;

  /* 兼容旧变量名(多处引用,必须保留) */
  --bg: rgba(255, 255, 255, 0.05);
  --card-bg: var(--glass);
  --card-border: var(--glass-border);

  /* 渐变与阴影 */
  --grad-main: linear-gradient(135deg, #4F46E5 0%, #7C3AED 50%, #22D3EE 100%);
  --grad-topbar: linear-gradient(135deg, rgba(22, 30, 56, 0.72) 0%, rgba(14, 20, 40, 0.62) 55%, rgba(32, 27, 78, 0.58) 100%);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.30);
  --shadow-md: 0 8px 26px rgba(0, 0, 0, 0.42);
  --shadow-lg: 0 16px 44px rgba(0, 0, 0, 0.55);
}

/* ─── 浅色主题(点右上角切换;仍保持玻璃质感) ─── */
[data-theme="light"] {
  --glass: rgba(255, 255, 255, 0.70);
  --glass-strong: rgba(255, 255, 255, 0.82);
  --glass-soft: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(15, 23, 42, 0.10);
  --glass-border-hi: rgba(37, 99, 235, 0.30);
  --glass-inner: rgba(255, 255, 255, 0.42);
  --text: #0F172A;
  --text-secondary: #475569;
  --text-light: #94A3B8;
  --bg: rgba(15, 23, 42, 0.04);
  --card-bg: rgba(255, 255, 255, 0.72);
  --card-border: rgba(15, 23, 42, 0.08);
  --primary: #2563EB;
  --cyan: #0891B2;
  --green: #10B981;
  --orange: #F59E0B;
  --red: #EF4444;
  --up: #059669;
  --down: #DC2626;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06), 0 4px 12px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 12px 24px -6px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px -12px rgba(79, 70, 229, 0.22);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s, color 0.3s;
  /* ─── 深空背景:行星光环 + 行星 + 星云 + 星野 + 科技网格(全部一层搞定,无额外 DOM) ─── */
  background-color: var(--space-1);
  background-image:
    /* 行星光环 */
    radial-gradient(ellipse 132px 30px at 86% 74%, transparent 58%, rgba(167, 139, 250, 0.40) 66%, rgba(167, 139, 250, 0.10) 78%, transparent 86%),
    /* 行星本体 */
    radial-gradient(circle 78px at 86% 74%, rgba(129, 140, 248, 0.42) 0 40%, rgba(79, 70, 229, 0.20) 62%, transparent 74%),
    /* 星云 A(紫) */
    radial-gradient(900px 520px at 80% -6%, rgba(124, 58, 237, 0.20), transparent 62%),
    /* 星云 B(青) */
    radial-gradient(780px 480px at 6% 106%, rgba(6, 182, 212, 0.16), transparent 64%),
    /* 星野:近星(较大较亮) */
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='760' height='760'%3E%3Cg fill='%23ffffff'%3E%3Ccircle cx='52' cy='96' r='1.6' opacity='.5'/%3E%3Ccircle cx='198' cy='40' r='1.4' opacity='.42'/%3E%3Ccircle cx='344' cy='128' r='1.8' opacity='.55'/%3E%3Ccircle cx='490' cy='64' r='1.5' opacity='.45'/%3E%3Ccircle cx='636' cy='140' r='1.7' opacity='.5'/%3E%3Ccircle cx='120' cy='268' r='1.4' opacity='.4'/%3E%3Ccircle cx='266' cy='332' r='1.9' opacity='.6'/%3E%3Ccircle cx='412' cy='244' r='1.5' opacity='.45'/%3E%3Ccircle cx='558' cy='352' r='1.6' opacity='.5'/%3E%3Ccircle cx='704' cy='286' r='1.4' opacity='.4'/%3E%3Ccircle cx='64' cy='468' r='1.7' opacity='.52'/%3E%3Ccircle cx='210' cy='532' r='1.5' opacity='.45'/%3E%3Ccircle cx='356' cy='462' r='1.4' opacity='.4'/%3E%3Ccircle cx='502' cy='556' r='1.8' opacity='.55'/%3E%3Ccircle cx='648' cy='488' r='1.5' opacity='.45'/%3E%3Ccircle cx='140' cy='672' r='1.6' opacity='.48'/%3E%3Ccircle cx='286' cy='712' r='1.4' opacity='.42'/%3E%3Ccircle cx='432' cy='656' r='1.7' opacity='.52'/%3E%3Ccircle cx='578' cy='708' r='1.5' opacity='.45'/%3E%3Ccircle cx='700' cy='632' r='1.4' opacity='.4'/%3E%3C/g%3E%3C/svg%3E"),
    /* 星野:远星(细密) */
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='520' height='520'%3E%3Cg fill='%23ffffff'%3E%3Ccircle cx='18' cy='42' r='.9' opacity='.7'/%3E%3Ccircle cx='73' cy='18' r='.7' opacity='.5'/%3E%3Ccircle cx='128' cy='86' r='1' opacity='.8'/%3E%3Ccircle cx='186' cy='32' r='.8' opacity='.55'/%3E%3Ccircle cx='241' cy='110' r='.9' opacity='.7'/%3E%3Ccircle cx='297' cy='26' r='.7' opacity='.45'/%3E%3Ccircle cx='352' cy='74' r='1.1' opacity='.85'/%3E%3Ccircle cx='408' cy='40' r='.8' opacity='.6'/%3E%3Ccircle cx='462' cy='96' r='.9' opacity='.7'/%3E%3Ccircle cx='497' cy='18' r='.7' opacity='.5'/%3E%3Ccircle cx='44' cy='148' r='.8' opacity='.6'/%3E%3Ccircle cx='101' cy='196' r='1' opacity='.75'/%3E%3Ccircle cx='158' cy='142' r='.7' opacity='.45'/%3E%3Ccircle cx='214' cy='208' r='.9' opacity='.68'/%3E%3Ccircle cx='270' cy='156' r='.8' opacity='.55'/%3E%3Ccircle cx='326' cy='214' r='1.1' opacity='.8'/%3E%3Ccircle cx='382' cy='168' r='.7' opacity='.5'/%3E%3Ccircle cx='438' cy='226' r='.9' opacity='.7'/%3E%3Ccircle cx='492' cy='178' r='.8' opacity='.6'/%3E%3Ccircle cx='26' cy='262' r='.9' opacity='.65'/%3E%3Ccircle cx='82' cy='318' r='.7' opacity='.45'/%3E%3Ccircle cx='138' cy='268' r='1' opacity='.78'/%3E%3Ccircle cx='194' cy='332' r='.8' opacity='.58'/%3E%3Ccircle cx='250' cy='286' r='.9' opacity='.7'/%3E%3Ccircle cx='306' cy='344' r='.7' opacity='.5'/%3E%3Ccircle cx='362' cy='298' r='1.1' opacity='.82'/%3E%3Ccircle cx='418' cy='352' r='.8' opacity='.6'/%3E%3Ccircle cx='474' cy='306' r='.9' opacity='.68'/%3E%3Ccircle cx='36' cy='398' r='.7' opacity='.5'/%3E%3Ccircle cx='92' cy='446' r='1' opacity='.75'/%3E%3Ccircle cx='148' cy='394' r='.8' opacity='.6'/%3E%3Ccircle cx='204' cy='452' r='.9' opacity='.7'/%3E%3Ccircle cx='260' cy='410' r='.7' opacity='.48'/%3E%3Ccircle cx='316' cy='468' r='1.1' opacity='.8'/%3E%3Ccircle cx='372' cy='420' r='.8' opacity='.58'/%3E%3Ccircle cx='428' cy='478' r='.9' opacity='.7'/%3E%3Ccircle cx='484' cy='430' r='.7' opacity='.5'/%3E%3Ccircle cx='58' cy='494' r='.9' opacity='.7'/%3E%3Ccircle cx='170' cy='498' r='.8' opacity='.6'/%3E%3Ccircle cx='286' cy='502' r='.7' opacity='.5'/%3E%3C/g%3E%3C/svg%3E"),
    /* 科技网格 */
    repeating-linear-gradient(0deg, rgba(120, 170, 255, 0.045) 0 1px, transparent 1px 58px),
    repeating-linear-gradient(90deg, rgba(120, 170, 255, 0.045) 0 1px, transparent 1px 58px),
    /* 深空底色 */
    linear-gradient(160deg, var(--space-1) 0%, var(--space-2) 48%, var(--space-3) 100%);
  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat, repeat, repeat, repeat, repeat, no-repeat;
  background-size: auto, auto, auto, auto, 760px 760px, 520px 520px, auto, auto, auto;
  background-position: center, center, center, center, 0 0, 0 0, 0 0, 0 0, center;
  background-attachment: fixed;
}
[data-theme="light"] body {
  background-color: #EEF2F7;
  background-image:
    radial-gradient(900px 480px at 82% -8%, rgba(124, 58, 237, 0.10), transparent 62%),
    radial-gradient(700px 420px at 4% 106%, rgba(56, 189, 248, 0.10), transparent 64%),
    linear-gradient(160deg, #F7F9FC 0%, #EEF2F7 55%, #E8EEF7 100%);
  background-repeat: no-repeat, no-repeat, no-repeat;
  background-size: auto, auto, auto;
}

/* 不支持毛玻璃的浏览器:提高不透明度,保证可读 */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  :root {
    --glass: rgba(14, 20, 38, 0.88);
    --glass-strong: rgba(18, 25, 46, 0.92);
    --glass-soft: rgba(14, 20, 38, 0.80);
    --glass-border: rgba(140, 180, 255, 0.22);
    --card-bg: rgba(14, 20, 38, 0.88);
  }
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: rgba(140, 180, 255, 0.28); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(140, 180, 255, 0.45); }
::-webkit-scrollbar-track { background: transparent; }

/* ═══ 顶部导航(两种主题下都保持深色,保证白字可读) ═══ */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 24px;                 /* 保持 63px 总高,filter-bar 的 top 依赖它 */
  background: var(--grad-topbar);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  color: #fff;
  position: sticky; top: 0; z-index: 200;
  border-bottom: 1px solid rgba(120, 190, 255, 0.22);
  box-shadow: 0 6px 26px rgba(0, 0, 0, 0.45), 0 1px 0 rgba(120, 190, 255, 0.08);
}
.topbar::after {                       /* 底部扫描光带(动效限制在顶栏内,不干扰其它元素) */
  content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background-image: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.85), rgba(167, 139, 250, 0.75), transparent);
  background-size: 38% 100%; background-repeat: no-repeat;
  animation: scan 7s linear infinite;
  pointer-events: none;
}
@keyframes scan { 0% { background-position: -40% 0; } 100% { background-position: 140% 0; } }
.topbar-left { display: flex; align-items: center; gap: 18px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-badge {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, #4F46E5, #7C3AED 55%, #22D3EE);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  box-shadow: 0 0 18px rgba(99, 102, 241, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.logo-text { font-size: 19px; font-weight: 800; letter-spacing: 0.5px; }
.logo-sub {
  font-size: 11px; color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.10);
  padding: 3px 10px; border-radius: 20px; font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.data-freshness {
  display: flex; align-items: center; gap: 7px;
  font-size: 12px; color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.10);
  padding: 5px 12px; border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.data-freshness .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #34D399; box-shadow: 0 0 10px #34D399;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
.topbar-right { display: flex; align-items: center; gap: 10px; }

/* 对比开关 */
.compare-switch {
  display: flex; gap: 3px; background: rgba(255, 255, 255, 0.10);
  border-radius: 10px; padding: 3px; border: 1px solid rgba(255, 255, 255, 0.14);
}
.cmp-btn {
  border: none; background: transparent; color: rgba(255, 255, 255, 0.75);
  padding: 5px 12px; border-radius: 7px; cursor: pointer; font-size: 12px;
  transition: all 0.2s; font-weight: 500;
}
.cmp-btn:hover { color: #fff; }
.cmp-btn.active { background: var(--grad-main); color: #fff; box-shadow: 0 0 14px rgba(99, 102, 241, 0.55); }

.preset-group { display: flex; gap: 3px; background: rgba(255, 255, 255, 0.10); border-radius: 10px; padding: 3px; border: 1px solid rgba(255, 255, 255, 0.14); }
.preset-btn {
  border: none; background: transparent; color: rgba(255, 255, 255, 0.75);
  padding: 5px 12px; border-radius: 7px; cursor: pointer; font-size: 12px;
  transition: all 0.2s;
}
.preset-btn:hover { color: #fff; }
.preset-btn.active { background: rgba(56, 189, 248, 0.28); color: #fff; box-shadow: inset 0 0 0 1px rgba(120, 200, 255, 0.35); }

.top-btn {
  border: 1px solid rgba(255, 255, 255, 0.2); background: rgba(255, 255, 255, 0.10);
  color: #fff; padding: 6px 12px; border-radius: 8px; cursor: pointer; font-size: 12px;
  transition: all 0.2s;
}
.top-btn:hover { background: rgba(255, 255, 255, 0.2); border-color: rgba(120, 200, 255, 0.45); }

/* ═══ 筛选条(毛玻璃 + sticky) ═══ */
.filter-bar {
  background: rgba(9, 14, 30, 0.55);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--glass-border);
  padding: 12px 24px;
  position: sticky; top: 63px; z-index: 150;
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.35);
}
[data-theme="light"] .filter-bar { background: rgba(255, 255, 255, 0.62); }
.filter-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.filter-row + .filter-row { margin-top: 10px; }

/* ── 自定义下拉筛选器 ── */
.dropdown { position: relative; min-width: 140px; }
.dropdown-trigger {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 8px 12px;
  background: var(--glass-soft);
  border: 1.5px solid var(--glass-border);
  border-radius: 10px;
  cursor: pointer; transition: all 0.2s;
  font-size: 13px; color: var(--text);
  box-shadow: var(--shadow-sm);
}
.dropdown-trigger:hover { border-color: var(--glass-border-hi); box-shadow: var(--shadow-md); }
.dropdown-trigger.open { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18), 0 0 18px rgba(56, 189, 248, 0.22); }
.dd-icon { font-size: 15px; }
.dd-label { font-size: 11px; color: var(--text-light); font-weight: 600; display: block; line-height: 1.1; }
.dd-value {
  font-size: 12px; color: var(--text-secondary); font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 120px;
  display: block; line-height: 1.2;
}
.dd-arrow { margin-left: auto; color: var(--text-light); font-size: 10px; transition: transform 0.2s; }
.dropdown-trigger.open .dd-arrow { transform: rotate(180deg); }

.dropdown-panel {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 300;
  min-width: 220px; max-width: 300px;
  background: rgba(9, 14, 30, 0.92);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.55);
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: ddIn 0.15s ease;
}
[data-theme="light"] .dropdown-panel { background: rgba(255, 255, 255, 0.94); }
.dropdown-panel.open { display: flex; }
@keyframes ddIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

.dd-search { padding: 8px; border-bottom: 1px solid var(--card-border); }
.dd-search input {
  width: 100%; padding: 6px 10px;
  border: 1px solid var(--card-border); border-radius: 8px;
  background: var(--bg); color: var(--text); font-size: 12px;
  outline: none;
}
.dd-search input:focus { border-color: var(--primary); }

.dd-options {
  max-height: 220px; overflow-y: auto; padding: 4px;
}
.dd-option {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px; border-radius: 8px; cursor: pointer;
  font-size: 13px; color: var(--text); transition: background 0.15s;
}
.dd-option:hover { background: var(--bg); }
.dd-option input[type="checkbox"] {
  accent-color: var(--primary); width: 15px; height: 15px; cursor: pointer;
}
.dd-option .dd-opt-count { margin-left: auto; font-size: 11px; color: var(--text-light); }

.dd-footer {
  display: flex; gap: 6px; padding: 8px;
  border-top: 1px solid var(--card-border);
  background: var(--bg);
}
.dd-footer button {
  flex: 1; border: none; padding: 5px 0; border-radius: 6px;
  font-size: 11px; cursor: pointer; font-weight: 600;
  background: var(--glass-soft); color: var(--text-secondary);
  border: 1px solid var(--card-border); transition: all 0.15s;
}
.dd-footer button:hover { border-color: var(--primary); color: var(--primary); }

/* 门店对比标签 */
.compare-badge {
  font-size: 10px; color: #fff; background: var(--grad-main);
  padding: 1px 7px; border-radius: 10px; font-weight: 600;
  animation: pulse 1.5s infinite;
}

/* 日期范围 */
.date-range {
  display: flex; align-items: center; gap: 6px;
  background: var(--glass-soft);
  border: 1.5px solid var(--glass-border);
  border-radius: 10px; padding: 6px 10px;
  box-shadow: var(--shadow-sm);
}
.date-range input {
  border: none; background: transparent; color: var(--text);
  font-size: 12px; outline: none; width: 105px;
  color-scheme: dark;                 /* 让日期选择器弹窗也变深色 */
}
[data-theme="light"] .date-range input { color-scheme: light; }
.date-sep { color: var(--text-light); font-size: 12px; }

/* 节假日快捷筛选按钮 */
.holiday-quick { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.holiday-btn {
  border: 1.5px solid var(--glass-border); background: var(--glass-soft);
  color: var(--text-secondary); padding: 6px 13px; border-radius: 8px; cursor: pointer;
  font-size: 12px; font-weight: 600; transition: all 0.2s;
}
.holiday-btn:hover { border-color: var(--primary); color: var(--primary); }
.holiday-btn.active {
  background: rgba(56, 189, 248, 0.20); border-color: var(--primary); color: var(--primary);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}
[data-theme="light"] .holiday-btn.active { background: rgba(37, 99, 235, 0.10); border-color: #2563EB; color: #2563EB; }

/* 下钻详情弹窗 */
.drill-overlay {
  position: fixed; inset: 0; z-index: 8000;
  display: flex; align-items: center; justify-content: center;
  background: rgba(3, 6, 14, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 20px;
}
.drill-overlay[hidden] { display: none; }
.drill-card {
  width: 560px; max-width: 92vw; max-height: 80vh;
  overflow-y: auto;
  background: rgba(12, 18, 36, 0.92);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  color: var(--text);
}
[data-theme="light"] .drill-card { background: rgba(255, 255, 255, 0.96); }
.drill-head {
  position: sticky; top: 0; z-index: 1;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--glass-border);
  background: inherit;
}
.drill-title { font-size: 15px; font-weight: 800; }
.drill-close {
  border: none; background: var(--glass-soft); color: var(--text-secondary);
  width: 30px; height: 30px; border-radius: 8px; cursor: pointer; font-size: 18px; line-height: 1;
  transition: all 0.2s;
}
.drill-close:hover { color: var(--red); border-color: var(--red); }
.drill-body { padding: 14px 18px 18px; }
.drill-kpis { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.drill-kpi { flex: 1 1 110px; background: var(--glass-soft); border: 1px solid var(--glass-border); border-radius: 10px; padding: 10px 12px; }
.drill-kpi .dk-label { font-size: 11px; color: var(--text-light); }
.drill-kpi .dk-value { font-size: 17px; font-weight: 800; margin-top: 3px; color: var(--text); }
.drill-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.drill-table th { color: var(--text-secondary); text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--glass-border); font-weight: 600; }
.drill-table td { padding: 7px 8px; border-bottom: 1px solid var(--glass-border); color: var(--text); }
.drill-table tr:last-child td { border-bottom: none; }

/* 淡旺季对比表 */
.season-table { padding: 4px; }
.season-tbl td, .season-tbl th { white-space: nowrap; }
.season-tbl .hot { color: var(--orange); font-weight: 700; }

/* 敏感性分析:结论区 */
.sens-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 4px; }
.sens-note {
  background: var(--glass-soft);
  border: 1px solid var(--glass-border);
  border-left: 3px solid var(--primary);
  border-radius: 10px; padding: 10px 12px;
  font-size: 12.5px; line-height: 1.65; color: var(--text-secondary);
}
.sens-note b { color: var(--text); }
@media (max-width: 900px) { .sens-notes { grid-template-columns: 1fr; } }

/* 敏感性分析:数据校验条 */
.sens-verify {
  display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center;
  background: var(--glass-soft); border: 1px solid var(--glass-border);
  border-radius: 12px; padding: 10px 14px; font-size: 12px; color: var(--text-secondary);
}
.sens-verify b { color: var(--text); }
.sens-verify-badge {
  font-size: 11.5px; font-weight: 700; padding: 3px 10px; border-radius: 8px;
}
.sens-verify-badge.ok { background: rgba(52, 211, 153, 0.18); color: #6EE7B7; border: 1px solid rgba(52, 211, 153, 0.35); }
.sens-verify-badge.warn { background: rgba(248, 113, 113, 0.18); color: #FCA5A5; border: 1px solid rgba(248, 113, 113, 0.35); }

/* 敏感性分析:交互试算控件 */
.sens-actions { display: flex; align-items: center; gap: 8px; }
.sens-btn {
  border: 1px solid var(--glass-border); background: var(--glass-soft); color: var(--text-secondary);
  padding: 4px 12px; border-radius: 8px; cursor: pointer; font-size: 12px; transition: all 0.2s;
}
.sens-btn:hover { border-color: var(--primary); color: var(--primary); }
/* 目标口径切换(目标毛利 / 目标收入) */
.sens-switch { display: inline-flex; gap: 4px; padding: 2px; border-radius: 10px; background: var(--glass-soft); border: 1px solid var(--glass-border); }
.sens-switch .sens-btn { border: none; background: transparent; padding: 3px 10px; border-radius: 8px; font-size: 11.5px; }
.sens-switch .sens-btn.on { background: var(--primary); color: #fff; font-weight: 700; }
.sens-switch .sens-btn.on:hover { color: #fff; }
.sens-controls { display: flex; flex-direction: column; gap: 14px; padding-top: 4px; }
.sens-row-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 4px; }
.sens-name { font-size: 12.5px; color: var(--text-secondary); }
.sens-val { font-size: 13px; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
.sens-row-foot { display: flex; justify-content: space-between; font-size: 10px; color: var(--text-light); margin-top: 2px; }
.sens-delta { font-weight: 700; }
.sens-delta.up { color: var(--up); }
.sens-delta.down { color: var(--down); }
.sens-range {
  -webkit-appearance: none; appearance: none; width: 100%; height: 5px; border-radius: 3px;
  background: rgba(140, 180, 255, 0.22); outline: none; cursor: pointer;
}
.sens-range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 16px; height: 16px; border-radius: 50%;
  background: var(--primary); border: 2px solid #0A1122; cursor: pointer;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.65);
}
.sens-range::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%; background: var(--primary);
  border: 2px solid #0A1122; cursor: pointer;
}

/* 敏感性分析:试算结果 */
.sens-result { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }
.sens-kv { display: flex; justify-content: space-between; align-items: baseline; font-size: 12.5px; color: var(--text-secondary); }
.sens-kv b { font-size: 15px; color: var(--text); font-variant-numeric: tabular-nums; }
.sens-kv i { font-style: normal; font-size: 12px; font-weight: 700; }
.sens-kv i.up { color: var(--up); }
.sens-kv i.down { color: var(--down); }

/* 敏感性分析:目标反推 */
.sens-target-label { font-size: 11.5px; color: var(--text-light); display: flex; align-items: center; gap: 6px; }
.sens-target {
  width: 90px; padding: 4px 8px; border-radius: 8px; font-size: 12.5px;
  background: var(--glass-soft); border: 1px solid var(--glass-border); color: var(--text); outline: none;
}
.sens-target:focus { border-color: var(--primary); }
.sens-target-out { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 4px; }
.sens-tk {
  background: var(--glass-soft); border: 1px solid var(--glass-border);
  border-radius: 10px; padding: 10px 12px; display: flex; flex-direction: column; gap: 3px;
}
.sens-tk span { font-size: 11.5px; color: var(--text-light); }
.sens-tk b { font-size: 15px; color: var(--text); font-variant-numeric: tabular-nums; }
.sens-tk b.down { color: var(--down); }
.sens-tk em { font-style: normal; font-size: 11px; color: var(--primary); font-weight: 600; }
.sens-tk-hint { grid-column: 1 / -1; font-size: 11.5px; color: var(--text-light); line-height: 1.6; }
@media (max-width: 900px) { .sens-target-out { grid-template-columns: 1fr 1fr; } }

/* 四象限经营策略面板 */
.quad-strategy { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.q-cell { background: var(--glass-soft); border: 1px solid var(--glass-border); border-radius: 10px; padding: 12px; display: flex; flex-direction: column; gap: 6px; }
.q-head { display: flex; align-items: center; gap: 6px; }
.q-emoji { font-size: 18px; }
.q-count { margin-left: auto; font-size: 11px; color: var(--text-light); }
.q-desc { font-size: 12px; color: var(--text-secondary); }
.q-act { font-size: 12px; color: var(--text); font-weight: 600; }
.q-chips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 2px; }
.q-chip { font-size: 10px; border: 1px solid; border-radius: 6px; padding: 1px 6px; }
@media (max-width: 900px) { .quad-strategy { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .quad-strategy { grid-template-columns: 1fr; } }

/* 筛选摘要 */
.filter-summary {
  flex: 1; min-width: 200px;
  font-size: 12px; color: var(--text-secondary);
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.16), rgba(34, 211, 238, 0.10));
  border: 1px dashed rgba(120, 200, 255, 0.32);
  border-radius: 10px; padding: 9px 14px;
  line-height: 1.5;
}
.filter-summary b { color: var(--primary); }
[data-theme="light"] .filter-summary { background: linear-gradient(135deg, rgba(79, 70, 229, 0.06), rgba(236, 72, 153, 0.06)); border-color: rgba(79, 70, 229, 0.25); }

/* ═══ 主体 ═══ */
.main { display: flex; flex: 1; min-height: 0; }

.sidebar {
  width: 200px;
  background: var(--glass-soft);
  backdrop-filter: blur(var(--blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
  border-right: 1px solid var(--glass-border);
  display: flex; flex-direction: column;
  padding: 14px 10px;
}
.nav { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; border-radius: 10px;
  color: var(--text-secondary); text-decoration: none; font-size: 13.5px;
  cursor: pointer; transition: all 0.2s; font-weight: 500;
  position: relative;
  border: 1px solid transparent;
}
.nav-item:hover { background: rgba(255, 255, 255, 0.07); color: var(--text); transform: translateX(2px); }
[data-theme="light"] .nav-item:hover { background: rgba(15, 23, 42, 0.05); }
.nav-item.active {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.55), rgba(34, 211, 238, 0.28));
  color: #fff; font-weight: 700;
  border-color: rgba(140, 200, 255, 0.38);
  box-shadow: 0 0 22px rgba(56, 189, 248, 0.26), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.nav-icon { font-size: 16px; width: 22px; text-align: center; }
.nav-item.active::after {
  content: ''; position: absolute; right: -10px; top: 50%; transform: translateY(-50%);
  border: 6px solid transparent; border-left-color: var(--primary);
}
.sidebar-footer {
  padding: 12px 10px; font-size: 11px; color: var(--text-light);
  border-top: 1px solid var(--card-border); line-height: 1.7;
}
.sidebar-footer b { color: var(--primary); }

.content {
  flex: 1; padding: 22px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 18px;
  background: none;                   /* 让深空背景透出来 */
}

/* ═══ 页面 ═══ */
.page { display: none; flex-direction: column; gap: 18px; }
.page.active { display: flex; }
.page-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.page-title {
  font-size: 20px; font-weight: 800; color: var(--text);
  background: linear-gradient(135deg, #E9EFFB 0%, #7DD3FC 55%, #A78BFA 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 14px rgba(56, 189, 248, 0.22));
}
[data-theme="light"] .page-title {
  background: linear-gradient(135deg, #0F172A 0%, #2563EB 55%, #7C3AED 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  filter: none;
}
.page-desc { font-size: 13px; color: var(--text-secondary); margin-top: 3px; }

/* ═══ KPI 卡片:玻璃底 + 彩色发光描边(保留各指标语义色相) ═══ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
/* 总览页 KPI:固定 4 列(8 个指标 = 2 行 × 4 列,整齐不换行错位) */
.kpi-overview { grid-template-columns: repeat(4, 1fr); }
.kpi-card {
  position: relative; overflow: hidden;
  border-radius: 16px; padding: 16px 18px;
  background: var(--glass);
  backdrop-filter: blur(var(--blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
  border: 1px solid var(--glass-border);
  color: var(--text);
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.07);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.10);
}
.kpi-card::after {
  content: ''; position: absolute; right: -20px; top: -20px;
  width: 90px; height: 90px; border-radius: 50%;
  background: rgba(var(--accent-rgb, 255, 255, 255), 0.10);
  pointer-events: none;
}
.kpi-card::before {
  content: ''; position: absolute; right: 10px; bottom: -30px;
  width: 70px; height: 70px; border-radius: 50%;
  background: rgba(var(--accent-rgb, 255, 255, 255), 0.07);
  pointer-events: none;
}
/* 六种指标的色相(转成 RGB 供发光描边使用) */
.kpi-card.g1 { --accent-rgb: 129, 140, 248; }
.kpi-card.g2 { --accent-rgb: 56, 189, 248; }
.kpi-card.g3 { --accent-rgb: 52, 211, 153; }
.kpi-card.g4 { --accent-rgb: 251, 191, 36; }
.kpi-card.g5 { --accent-rgb: 248, 113, 113; }
.kpi-card.g6 { --accent-rgb: 244, 114, 182; }
.kpi-card.g1, .kpi-card.g2, .kpi-card.g3, .kpi-card.g4, .kpi-card.g5, .kpi-card.g6 {
  border-color: rgba(var(--accent-rgb), 0.42);
  box-shadow: 0 0 24px rgba(var(--accent-rgb), 0.20), var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.07);
}
/* 预算指标预实卡(可点击切换) */
.bm-card { cursor: pointer; opacity: 0.62; transition: all 0.2s; }
.bm-card:hover { transform: translateY(-2px); opacity: 0.9; }
.bm-card.active {
  opacity: 1;
  box-shadow: 0 0 0 2px rgba(var(--accent-rgb), 0.55), 0 0 28px rgba(var(--accent-rgb), 0.28), var(--shadow-lg);
}
.bm-card .bm-badge { display: inline-block; background: rgba(var(--accent-rgb, 255, 255, 255), 0.22); padding: 1px 8px; border-radius: 8px; font-size: 10px; margin-left: 6px; color: #fff; }
.bm-card .bm-rate { font-size: 13px; font-weight: 800; margin-top: 2px; }
.bm-card .bm-row { display: flex; justify-content: space-between; font-size: 10.5px; opacity: 0.85; margin-top: 2px; }
.kpi-label { font-size: 12px; color: var(--text-secondary); font-weight: 500; display: flex; align-items: center; gap: 6px; }
.kpi-icon { font-size: 14px; }
.kpi-value {
  font-size: 26px; font-weight: 800; margin: 8px 0 4px;
  color: #F4F8FF;
  font-variant-numeric: tabular-nums; letter-spacing: -0.5px;
  text-shadow: 0 0 20px rgba(var(--accent-rgb, 56, 189, 248), 0.30);
}
[data-theme="light"] .kpi-value { color: #0F172A; text-shadow: none; }
.kpi-sub { font-size: 11px; color: var(--text-light); }
.kpi-compare { display: flex; gap: 8px; margin-top: 8px; }
.kpi-cmp {
  font-size: 10.5px; background: rgba(255, 255, 255, 0.10);
  color: var(--text-secondary);
  padding: 2px 8px; border-radius: 10px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.10);
}
.kpi-cmp.up { background: rgba(52, 211, 153, 0.22); color: #A7F3D0; border-color: rgba(52, 211, 153, 0.35); }
.kpi-cmp.down { background: rgba(248, 113, 113, 0.22); color: #FECACA; border-color: rgba(248, 113, 113, 0.35); }
[data-theme="light"] .kpi-cmp { background: rgba(15, 23, 42, 0.06); }
[data-theme="light"] .kpi-cmp.up { background: rgba(16, 185, 129, 0.16); color: #065F46; }
[data-theme="light"] .kpi-cmp.down { background: rgba(239, 68, 68, 0.14); color: #991B1B; }

/* ═══ 图表卡片(毛玻璃 + 角落光 + 顶部彩条) ═══ */
.chart-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.chart-card {
  background-color: var(--glass);
  /* 角落光:右上青、左下紫;内联 background:transparent 的嵌套卡片会自动不显示 */
  background-image:
    linear-gradient(225deg, rgba(56, 189, 248, 0.13), transparent 58%),
    linear-gradient(135deg, rgba(139, 92, 246, 0.10), transparent 62%);
  background-repeat: no-repeat, no-repeat;
  background-position: top right, bottom left;
  background-size: 88px 88px, 130px 130px;
  backdrop-filter: blur(var(--blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: 16px; padding: 16px;
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  display: flex; flex-direction: column;
  transition: box-shadow 0.2s, border-color 0.2s;
  position: relative; overflow: hidden;
}
.chart-card:hover {
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.09);
  border-color: var(--glass-border-hi);
}
.chart-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  opacity: 0.75;
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.45);
}
.chart-card.c2::before { background: linear-gradient(90deg, #FBBF24, #F87171); box-shadow: 0 0 14px rgba(251, 191, 36, 0.40); }
.chart-card.c3::before { background: linear-gradient(90deg, #34D399, #22D3EE); box-shadow: 0 0 14px rgba(52, 211, 153, 0.40); }
.chart-card.c4::before { background: linear-gradient(90deg, #A78BFA, #F472B6); box-shadow: 0 0 14px rgba(167, 139, 250, 0.40); }
.chart-card.w-12 { grid-column: span 12; }
.chart-card.w-8 { grid-column: span 8; }
.chart-card.w-6 { grid-column: span 6; }
.chart-card.w-4 { grid-column: span 4; }
.chart-card.w-3 { grid-column: span 3; }
.chart-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 4px; }
.chart-title { font-size: 14.5px; font-weight: 700; color: var(--text); }
.chart-sub { font-size: 11px; color: var(--text-light); margin-top: 2px; }
.chart-body {
  flex: 1; min-height: 280px;
  border-radius: 12px;
  /* 极淡内衬:卡片仍是 10% 玻璃,这里只让图表线条/坐标数字更清晰 */
  background: linear-gradient(180deg, rgba(3, 7, 18, 0.30), rgba(3, 7, 18, 0.20));
}
[data-theme="light"] .chart-body { background: linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.38)); }
[data-theme="light"] .chart-card { background-image: none; }

/* 对比图例说明 */
.cmp-legend { display: flex; gap: 14px; font-size: 11px; color: var(--text-secondary); }
.cmp-legend span { display: flex; align-items: center; gap: 5px; }
.cmp-line { width: 16px; height: 3px; border-radius: 2px; display: inline-block; }
.cmp-line.cur { background: #38BDF8; }
.cmp-line.pre { background: #FBBF24; border-top: 1px dashed #FBBF24; }

/* 加载 */
.loading {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 100px 0; color: var(--text-secondary); gap: 14px;
}
.spinner {
  width: 42px; height: 42px; border-radius: 50%;
  border: 3px solid rgba(56, 189, 248, 0.18);
  border-top-color: var(--primary);
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.30);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 响应式 */
@media (max-width: 1400px) {
  .chart-card.w-8, .chart-card.w-6 { grid-column: span 12; }
  .chart-card.w-4 { grid-column: span 6; }
  .kpi-overview { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  :root { --blur: 10px; }              /* 移动端降模糊,保流畅 */
  body { background-size: auto, auto, auto, auto, 560px 560px, 400px 400px, auto, auto, auto; }
  .topbar { flex-wrap: wrap; gap: 8px; }
  .filter-bar { position: static; }

  /* ── 移动端导航:把侧栏改成「顶部横向可滑动标签栏」──
     只改样式,不改 DOM、不改 JS:导航项仍是 .nav-item[data-page],
     点击绑定逻辑完全不变,手机上终于能切换 9 个页面了。 */
  .main { flex-direction: column; }
  .sidebar {
    width: 100%; height: auto;
    flex-direction: row; align-items: center;
    padding: 8px 10px; gap: 8px;
    border-right: none;
    border-bottom: 1px solid var(--glass-border);
    overflow-x: auto; overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
  .sidebar::-webkit-scrollbar { height: 4px; }
  .sidebar::-webkit-scrollbar-thumb { background: rgba(140, 180, 255, 0.35); }
  .nav { flex: 0 0 auto; flex-direction: row; flex-wrap: nowrap; gap: 6px; }
  .nav-item {
    flex: 0 0 auto; white-space: nowrap;
    padding: 9px 13px; font-size: 13px; min-height: 36px;
  }
  .nav-item:hover { transform: none; }
  .nav-item.active::after { display: none; }   /* 横向排列时去掉右侧小箭头 */
  .sidebar-footer { display: none; }           /* 顶栏已显示数据日期,省空间 */

  /* 手机上一律单列,避免图表被挤成半宽 */
  .chart-card.w-3, .chart-card.w-4, .chart-card.w-6, .chart-card.w-8 { grid-column: span 12; }
  .kpi-grid { grid-template-columns: repeat(auto-fit, minmax(148px, 1fr)); gap: 12px; }
  .content { padding: 14px; gap: 14px; }
  .page { gap: 14px; }
  .page-title { font-size: 18px; }
  .login-card { padding: 34px 24px 24px; }
}

/* 尊重系统「减少动态效果」设置 */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
  .data-freshness .dot, .compare-badge, .spinner { animation: none !important; }
}

/* ═══ 登录权限层(深空 + 星野 + 轨道环) ═══ */
.login-overlay {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background-color: var(--space-1);
  background-image:
    radial-gradient(700px 420px at 78% -6%, rgba(124, 58, 237, 0.30), transparent 62%),
    radial-gradient(620px 400px at 12% 108%, rgba(6, 182, 212, 0.24), transparent 64%),
    radial-gradient(ellipse 460px 130px at 50% 50%, transparent 54%, rgba(167, 139, 250, 0.28) 60%, rgba(167, 139, 250, 0.06) 72%, transparent 80%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='520' height='520'%3E%3Cg fill='%23ffffff'%3E%3Ccircle cx='18' cy='42' r='1' opacity='.8'/%3E%3Ccircle cx='128' cy='86' r='1.2' opacity='.85'/%3E%3Ccircle cx='241' cy='110' r='1' opacity='.75'/%3E%3Ccircle cx='352' cy='74' r='1.3' opacity='.9'/%3E%3Ccircle cx='462' cy='96' r='1' opacity='.75'/%3E%3Ccircle cx='101' cy='196' r='1.1' opacity='.8'/%3E%3Ccircle cx='214' cy='208' r='1' opacity='.7'/%3E%3Ccircle cx='326' cy='214' r='1.2' opacity='.85'/%3E%3Ccircle cx='438' cy='226' r='1' opacity='.75'/%3E%3Ccircle cx='26' cy='262' r='1' opacity='.7'/%3E%3Ccircle cx='138' cy='268' r='1.2' opacity='.85'/%3E%3Ccircle cx='250' cy='286' r='1' opacity='.75'/%3E%3Ccircle cx='362' cy='298' r='1.3' opacity='.9'/%3E%3Ccircle cx='474' cy='306' r='1' opacity='.7'/%3E%3Ccircle cx='82' cy='318' r='1.1' opacity='.8'/%3E%3Ccircle cx='194' cy='332' r='1' opacity='.72'/%3E%3Ccircle cx='306' cy='344' r='1.2' opacity='.85'/%3E%3Ccircle cx='418' cy='352' r='1' opacity='.75'/%3E%3Ccircle cx='36' cy='398' r='1' opacity='.7'/%3E%3Ccircle cx='148' cy='394' r='1.2' opacity='.85'/%3E%3Ccircle cx='260' cy='410' r='1' opacity='.75'/%3E%3Ccircle cx='372' cy='420' r='1.3' opacity='.9'/%3E%3Ccircle cx='484' cy='430' r='1' opacity='.7'/%3E%3Ccircle cx='92' cy='446' r='1.1' opacity='.8'/%3E%3Ccircle cx='204' cy='452' r='1' opacity='.72'/%3E%3Ccircle cx='316' cy='468' r='1.2' opacity='.85'/%3E%3Ccircle cx='428' cy='478' r='1' opacity='.75'/%3E%3Ccircle cx='58' cy='494' r='1' opacity='.7'/%3E%3Ccircle cx='170' cy='498' r='1.2' opacity='.85'/%3E%3Ccircle cx='286' cy='502' r='1' opacity='.75'/%3E%3C/g%3E%3C/svg%3E"),
    linear-gradient(150deg, #04060E 0%, #070C1A 45%, #120E2C 100%);
  background-repeat: no-repeat, no-repeat, no-repeat, repeat, no-repeat;
  background-size: auto, auto, auto, 520px 520px, auto;
  opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s;
}
.login-overlay.show { opacity: 1; visibility: visible; }
.login-card {
  position: relative;
  width: 380px; max-width: 90vw;
  background: rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.20);
  border-radius: 20px;
  padding: 42px 38px 30px;
  text-align: center;
  color: #fff;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.login-card::before {                  /* 轨道环装饰 */
  content: ''; position: absolute; inset: -52px -26px;
  border-radius: 50%;
  border: 1px solid rgba(140, 200, 255, 0.16);
  transform: rotate(-16deg);
  pointer-events: none;
}
.login-card::after {                   /* 轨道上的小卫星 */
  content: ''; position: absolute; top: -44px; left: 50%;
  width: 7px; height: 7px; border-radius: 50%;
  background: #7DD3FC;
  box-shadow: 0 0 12px #38BDF8;
  animation: pulse 3s ease-in-out infinite;
  pointer-events: none;
}
.login-logo {
  width: 68px; height: 68px; margin: 0 auto 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, #4F46E5, #7C3AED 55%, #22D3EE);
  display: flex; align-items: center; justify-content: center;
  font-size: 34px;
  box-shadow: 0 0 26px rgba(99, 102, 241, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.login-title { font-size: 22px; font-weight: 800; letter-spacing: 1px; }
.login-sub { font-size: 13px; color: rgba(255, 255, 255, 0.65); margin: 6px 0 28px; }
.login-form { display: flex; flex-direction: column; gap: 12px; }
.login-input {
  padding: 13px 16px;
  border-radius: 10px;
  border: 1.5px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.10);
  color: #fff; font-size: 15px;
  outline: none; text-align: center; letter-spacing: 2px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.login-input::placeholder { color: rgba(255, 255, 255, 0.4); letter-spacing: 0; }
.login-input:focus { border-color: var(--primary-3); box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18), 0 0 18px rgba(34, 211, 238, 0.25); }
.login-error {
  font-size: 12px; color: #FCA5A5;
  background: rgba(239, 68, 68, 0.18);
  border: 1px solid rgba(248, 113, 113, 0.32);
  padding: 7px; border-radius: 8px;
}
.login-btn {
  padding: 13px;
  border: none; border-radius: 10px;
  background: linear-gradient(135deg, #4F46E5, #7C3AED 55%, #22D3EE);
  color: #fff; font-size: 15px; font-weight: 700;
  cursor: pointer; letter-spacing: 4px;
  transition: transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 0 22px rgba(99, 102, 241, 0.45);
}
.login-btn:hover { transform: translateY(-1px); box-shadow: 0 0 30px rgba(99, 102, 241, 0.65); }
.login-btn:active { transform: translateY(0); }
.login-tip { font-size: 11px; color: rgba(255, 255, 255, 0.4); margin-top: 20px; }