:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-2: #fafbfc;
  --border: #e6e9ef;
  --text: #1f2733;
  --text-muted: #8a94a6;
  --primary: #2f6bff;
  --primary-dark: #1f54e0;
  --primary-soft: #eaf1ff;
  --up: #e23c3c;
  --down: #1a9d54;
  --warn: #e8920c;
  --danger: #e23c3c;
  --shadow: 0 2px 12px rgba(20, 35, 70, 0.06);
  --radius: 12px;
  --sidebar-w: 220px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0; font-weight: 600; }
button { font-family: inherit; cursor: pointer; appearance: none; -webkit-appearance: none; }
input, select, textarea { font-family: inherit; }

.app { display: flex; min-height: 100vh; min-height: 100dvh; }

.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 18px 12px;
  font-size: 18px;
  font-weight: 700;
}
.brand-logo { font-size: 22px; }

.sidebar-head {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

#backup-quick { font-size: 12px; padding: 4px 10px; margin-left: 2px; flex-shrink: 0; }
.nav { padding: 12px 10px; flex: 1; overflow-y: auto; }
.nav-item {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  color: var(--text);
  padding: 11px 14px;
  border-radius: 9px;
  font-size: 14px;
  margin-bottom: 4px;
  transition: background 0.15s, color 0.15s;
}
.nav-item:hover { background: var(--surface-2); }
.nav-item.active { background: var(--primary-soft); color: var(--primary-dark); font-weight: 600; }
.sidebar-footer { padding: 14px 18px; font-size: 12px; color: var(--text-muted); border-top: 1px solid var(--border); }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 18px; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.company-name { color: var(--text-muted); font-size: 13px; }
.menu-toggle { display: none; border: none; background: transparent; font-size: 22px; color: var(--text); }

.view-container { padding: 24px; max-width: 1200px; width: 100%; }


.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-head h3 { font-size: 15px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
}
.stat-label { color: var(--text-muted); font-size: 13px; }
.stat-value { font-size: 24px; font-weight: 700; margin-top: 6px; }
.stat-sub { color: var(--text-muted); font-size: 12px; margin-top: 4px; }
.stat-card.green { border-top: 3px solid var(--down); }
.stat-card.blue { border-top: 3px solid var(--primary); }

.muted { color: var(--text-muted); font-size: 13px; }


.btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 9px 16px;
  border-radius: 9px;
  font-size: 14px;
  line-height: 1.4;
  transition: all 0.15s;
  -webkit-appearance: none;
  appearance: none;
}
.btn:hover { border-color: #cfd6e4; }
.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 7px; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-ghost { background: var(--surface-2); }
.btn-danger { background: #fff; border-color: #f3c2c2; color: var(--danger); }
.btn-danger:hover { background: #fff0f0; }
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }
.summary-inline { color: var(--text-muted); font-size: 13px; margin-right: auto; }
.summary-inline b { color: var(--text); }


.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.toolbar .search { max-width: 280px; margin-right: auto; }
.date-range { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; color: var(--text-muted); }
.date-range .form-input { width: auto; }


.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table th { color: var(--text-muted); font-weight: 600; background: var(--surface-2); position: sticky; top: 0; z-index: 2; }
.table td:first-child, .table th:first-child { position: sticky; left: 0; z-index: 1; background: var(--surface); }
.table th:first-child { background: var(--surface-2); z-index: 3; }
.table tbody tr:hover { background: var(--surface-2); }
.table .actions { display: flex; gap: 6px; white-space: nowrap; }
.empty { text-align: center; color: var(--text-muted); padding: 28px 0; }
.td-sticky { position: sticky; left: 0; background: var(--surface); }


.form { display: block; }
.form-row { margin-bottom: 14px; }
.form-row.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--text); font-weight: 500; }
.form-input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.form-input:disabled { background: var(--surface-2); color: var(--text-muted); }
.form-hint { color: var(--text-muted); font-size: 12px; margin-top: 6px; }
.check-row { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); cursor: pointer; }


.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.badge.normal { background: #e7f6ee; color: var(--down); }
.badge.low { background: #fdf0db; color: var(--warn); }
.badge.out { background: #fdeaea; color: var(--danger); }


.up { color: var(--up); font-weight: 600; }
.down { color: var(--down); font-weight: 600; }
.warn-text { color: var(--warn); font-weight: 600; }


.chart-bars { display: flex; align-items: flex-end; gap: 8px; height: 160px; padding-top: 10px; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; }
.bar { width: 60%; background: linear-gradient(180deg, var(--primary), #6a96ff); border-radius: 5px 5px 0 0; min-height: 2px; transition: height 0.3s; }
.bar-label { font-size: 11px; color: var(--text-muted); margin-top: 6px; }

.rank-list { display: flex; flex-direction: column; gap: 12px; }
.rank-row { display: flex; align-items: center; gap: 12px; }
.rank-name { width: 120px; flex-shrink: 0; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-bar-wrap { flex: 1; display: flex; align-items: center; gap: 10px; }
.rank-bar { height: 22px; background: linear-gradient(90deg, var(--primary), #6a96ff); border-radius: 5px; min-width: 2px; transition: width 0.3s; }
.rank-val { font-size: 13px; color: var(--text-muted); white-space: nowrap; }

.danger-zone { border-color: #f3c2c2; }
.danger-zone .card-head h3 { color: var(--danger); }


.modal-overlay {
  position: fixed; inset: 0; background: rgba(20, 30, 50, 0.4);
  display: flex; align-items: center; justify-content: center; z-index: 1000;
  opacity: 0; transition: opacity 0.2s; padding: 16px;
  padding-left: calc(16px + env(safe-area-inset-left, 0));
  padding-right: calc(16px + env(safe-area-inset-right, 0));
}
.modal-overlay.show { opacity: 1; }
.modal {
  background: var(--surface); border-radius: 14px; width: 100%;
  max-height: 90vh; overflow-y: auto; box-shadow: 0 12px 48px rgba(0, 0, 0, 0.18);
  transform: translateY(8px); transition: transform 0.2s;
}
.modal-overlay.show .modal { transform: translateY(0); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-head h3 { font-size: 16px; }
.modal-close { border: none; background: transparent; font-size: 18px; color: var(--text-muted); }
.modal-body { padding: 18px 20px; }
.modal-foot { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--border); }
.confirm-text { margin: 0; font-size: 14px; }

/* 自定义分类下拉（替代原生 datalist，避免被模态框裁切只显示一条） */
.lg-cat-pop {
  z-index: 1100;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 10px 34px rgba(20, 35, 70, 0.18);
  max-height: 220px;
  overflow-y: auto;
  padding: 6px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  -webkit-overflow-scrolling: touch;
}
.lg-cat-pop[hidden] { display: none; }
.lg-cat-pop button {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 6px;
  font-size: 13px;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
}
.lg-cat-pop button:hover,
.lg-cat-pop button:active { border-color: var(--primary); background: var(--primary-soft); }


.toast-root { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); z-index: 2000; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: #2b3445; color: #fff; padding: 10px 18px; border-radius: 10px;
  font-size: 13px; box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
  opacity: 0; transform: translateY(-10px); transition: all 0.3s; max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { background: #1a9d54; }
.toast-warn { background: #e8920c; }
.toast-info { background: #2b3445; }


@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; z-index: 500;
    height: 100%; height: 100dvh;
    transform: translateX(-100%); transition: transform 0.25s; box-shadow: 2px 0 16px rgba(0, 0, 0, 0.15);
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display: block; }
  .view-container { padding: 16px; }
  .table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; white-space: nowrap; }
  .form-row.two { grid-template-columns: 1fr; }
  .rank-name { width: 80px; }
  .topbar { padding: 12px 14px; gap: 10px; }
  .nav-item { padding: 13px 14px; }
  .btn { font-size: 16px; padding: 10px 16px; }
  .toolbar { gap: 10px; flex-wrap: wrap; }
  .toolbar .search { max-width: 100%; width: 100%; }
  /* iOS 在聚焦 <16px 的输入框时会自动放大整个页面，这里统一提到 16px 规避 */
  .form-input, textarea, input, select { font-size: 16px; }
}





.topnav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding-top: env(safe-area-inset-top, 0);
}

.topnav-inner {
  position: relative;
  max-width: 1200px; margin: 0 auto; padding: 10px 24px;
  display: flex; align-items: center; gap: 12px 16px; flex-wrap: wrap;
}
.tn-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; color: var(--text); text-decoration: none; }
.tn-logo { font-size: 20px; }

.tn-links { margin-left: auto; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.tn-link { padding: 8px 6px; border-radius: 8px; color: var(--text-muted); text-decoration: none; font-size: 14px; white-space: nowrap; transition: background 0.2s, color 0.2s; }
.tn-link:hover { background: var(--surface-2); color: var(--text); }
.tn-link.active { background: var(--primary-soft); color: var(--primary-dark); font-weight: 600; }


#site-footer { border-top: 1px solid var(--border); background: var(--surface); margin-top: 40px; }
.foot-inner { max-width: 1200px; margin: 0 auto; padding: 18px 24px; padding-bottom: calc(18px + env(safe-area-inset-bottom, 0)); display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--text-muted); font-size: 13px; flex-wrap: wrap; }

.sidebar-scrim {
  position: fixed; inset: 0; background: rgba(15, 23, 42, 0.4);
  z-index: 400; opacity: 0; visibility: hidden;
  transition: opacity 0.25s ease;
}
.sidebar-scrim.show { opacity: 1; visibility: visible; }
.foot-link { color: var(--primary); text-decoration: none; }


body.landing { background: linear-gradient(180deg, #eef3ff, #f7f9fc 40%, #fdf6ef); }
.hero { position: relative; overflow: hidden; padding: 56px 24px 20px; }
.blob { position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.5; z-index: 0; }
.blob-1 { width: 340px; height: 340px; background: #6a96ff; top: -80px; left: -60px; animation: float1 14s ease-in-out infinite; }
.blob-2 { width: 300px; height: 300px; background: #1a9d54; bottom: -100px; right: -40px; animation: float2 16s ease-in-out infinite; }
.blob-3 { width: 260px; height: 260px; background: #e8920c; top: 120px; right: 20%; animation: float3 18s ease-in-out infinite; }
@keyframes float1 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(40px, 30px); } }
@keyframes float2 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-30px, -30px); } }
@keyframes float3 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-20px, 40px); } }

.hero-inner { position: relative; z-index: 1; max-width: 1000px; margin: 0 auto; text-align: center; }
.hero-badge { display: inline-block; padding: 6px 14px; border-radius: 20px; background: #fff; border: 1px solid var(--border); color: var(--primary-dark); font-size: 13px; font-weight: 600; box-shadow: var(--shadow); }
.hero-title { font-size: 42px; font-weight: 800; margin: 18px 0 12px; line-height: 1.2; }
.grad-text { background: linear-gradient(90deg, var(--primary), #1a9d54); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { color: var(--text-muted); font-size: 16px; max-width: 640px; margin: 0 auto 30px; }

.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 20px auto 10px; }
.module-card {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 8px;
  padding: 26px 22px; border-radius: 18px; background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--border); text-decoration: none; color: var(--text);
  box-shadow: var(--shadow); transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s; overflow: hidden;
}
.module-card:hover { transform: translateY(-8px); border-color: var(--primary); }
.mc-icon { font-size: 40px; }
.mc-title { font-size: 22px; font-weight: 700; }
.mc-desc { color: var(--text-muted); font-size: 14px; line-height: 1.6; }
.mc-go { margin-top: auto; color: var(--primary); font-weight: 600; font-size: 14px; }
.mc-jxc:hover { box-shadow: 0 18px 40px rgba(47, 107, 255, 0.20); }
.mc-ledger:hover { box-shadow: 0 18px 40px rgba(26, 157, 84, 0.20); }
.mc-notepad:hover { box-shadow: 0 18px 40px rgba(232, 146, 12, 0.20); }

.intro { margin: 48px auto 10px; max-width: 1000px; text-align: left; }
.intro-title { font-size: 22px; margin-bottom: 18px; text-align: center; }
.intro-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.intro-item { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 18px; box-shadow: var(--shadow); }
.intro-item .ii-ico { font-size: 26px; }
.intro-item b { display: block; margin: 6px 0 4px; font-size: 15px; }
.intro-item p { color: var(--text-muted); font-size: 13px; line-height: 1.6; margin: 0; }
.intro-tip { text-align: center; color: var(--text-muted); font-size: 13px; margin-top: 20px; }


.page { max-width: 1080px; margin: 0 auto; padding: 24px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-title { font-size: 24px; }
.page-sub { color: var(--text-muted); font-size: 14px; margin: 4px 0 0; }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }


.query-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.query-bar .form-input { width: auto; min-width: 150px; }
.query-bar .muted { white-space: nowrap; }


.note-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.note-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 16px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 8px; }
.note-top { display: flex; align-items: center; justify-content: space-between; }
.note-date { color: var(--text-muted); font-size: 12px; }
.note-title { font-weight: 700; font-size: 15px; word-break: break-all; }
.note-body { color: var(--text-muted); font-size: 13px; line-height: 1.6; white-space: pre-wrap; word-break: break-all; }


.help-list { margin: 0; padding-left: 20px; line-height: 1.9; font-size: 14px; }
.help-list li { margin-bottom: 6px; }
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; background: var(--surface-2); }
.faq-q { font-weight: 600; margin-bottom: 4px; }
.faq-a { color: var(--text-muted); font-size: 13px; line-height: 1.6; }




@media (max-width: 860px) {
  .module-grid { grid-template-columns: 1fr; }
  .intro-grid { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .hero-title { font-size: 30px; }
}
@media (max-width: 720px) {
  .intro-grid { grid-template-columns: 1fr; }
  .query-bar .form-input { width: 100%; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .topbar-right .company-name { display: none; }
  .hero-title { font-size: 26px; }
  .hero { padding: 40px 18px 16px; }
  .stat-value { font-size: 20px; }
  .stat-card { padding: 14px; }
  .modal-overlay { padding: 10px; }
  .card { padding: 14px; }
  .toast-root { top: calc(12px + env(safe-area-inset-top, 0)); }
  .page { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .blob-1, .blob-2, .blob-3 { animation: none; }
}

* {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
input, textarea, select {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}
img {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
}
::selection { background: transparent; }
::-moz-selection { background: transparent; }