:root {
  --color-bg: #f4f7fb;
  --color-surface: #ffffff;
  --color-surface-subtle: #f8fafc;
  --color-text: #172033;
  --color-text-secondary: #526174;
  --color-text-muted: #8491a3;
  --color-border: #dde5ef;
  --color-border-strong: #cbd8e8;
  --color-primary: #002fa7;
  --color-primary-hover: #002785;
  --color-primary-soft: #eef2ff;
  --color-success: #15803d;
  --color-success-soft: #ecfdf3;
  --color-warning: #c2410c;
  --color-warning-soft: #fff7ed;
  --color-danger: #dc2626;
  --color-danger-soft: #fef2f2;
  --radius-control: 8px;
  --radius-card: 12px;
  --radius-panel: 16px;
  --shadow-card: 0 4px 14px rgba(30, 55, 90, .055);
  --shadow-raised: 0 12px 28px rgba(37, 99, 235, .13);
  --header-height: 60px;
  --sidebar-width: 216px;
  --sidebar-collapsed-width: 72px;
  --content-gap: 20px;
  --topic-color: #5b67d8;
  --topic-strong: #404bb5;
  --topic-soft: #f0f2ff;
  --topic-area: #e8ebff;
  --topic-mean: #9a6fe8;
  --topic-mean-text: #7043b5;
  --topic-shadow: rgba(91, 103, 216, .16);
}

/* Module semantic colors: Klein blue remains the brand frame; topics color data. */
#portalView[data-topic="query-demand"] { --topic-color:#6657c8; --topic-strong:#4f3fa9; --topic-soft:#f2f0ff; --topic-area:#ebe8ff; --topic-mean:#a878df; --topic-mean-text:#7445aa; --topic-shadow:rgba(102,87,200,.17); }
#portalView[data-topic="resource-supply"] { --topic-color:#168b83; --topic-strong:#0f6f69; --topic-soft:#eaf8f6; --topic-area:#ddf4f1; --topic-mean:#55a98a; --topic-mean-text:#28785e; --topic-shadow:rgba(22,139,131,.16); }
#portalView[data-topic="price-coverage"] { --topic-color:#cb7a16; --topic-strong:#a95c08; --topic-soft:#fff6e8; --topic-area:#ffeed2; --topic-mean:#e4a340; --topic-mean-text:#9b5c09; --topic-shadow:rgba(203,122,22,.17); }
#portalView[data-topic="price-advantage"] { --topic-color:#bd4a68; --topic-strong:#96364f; --topic-soft:#fff0f4; --topic-area:#fde5ec; --topic-mean:#d6869b; --topic-mean-text:#9f405a; --topic-shadow:rgba(189,74,104,.16); }
#portalView[data-topic="hotel-sales"] { --topic-color:#258657; --topic-strong:#176b42; --topic-soft:#edf9f2; --topic-area:#e0f4e8; --topic-mean:#70ad62; --topic-mean-text:#477e3e; --topic-shadow:rgba(37,134,87,.16); }
#portalView[data-topic="service-quality"] { --topic-color:#db702f; --topic-strong:#b7531d; --topic-soft:#fff3eb; --topic-area:#fee8d9; --topic-mean:#e8a14b; --topic-mean-text:#a25b1d; --topic-shadow:rgba(219,112,47,.16); }
#portalView[data-topic="technical-metrics"] { --topic-color:#c44750; --topic-strong:#9d3039; --topic-soft:#fff0f1; --topic-area:#fce3e5; --topic-mean:#d97a72; --topic-mean-text:#a3443f; --topic-shadow:rgba(196,71,80,.16); }

* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body {
  color: var(--color-text);
  background: var(--color-bg);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button { color: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid rgba(37, 99, 235, .22);
  outline-offset: 2px;
}
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.muted, .subline { color: var(--color-text-secondary); }
.error { min-height: 22px; color: var(--color-danger); }

/* Login */
.login-page { position: relative; min-height: 100vh; min-height: 100dvh; overflow-y: auto; background-color: #eef4fa; background-image: image-set(url('/login-background.webp') type('image/webp'), url('/login-background.jpg') type('image/jpeg')); background-position: center; background-size: cover; background-repeat: no-repeat; }
.login-brand-panel { position: absolute; top: 25%; left: 16.5%; width: min(540px, 44vw); color: #172033; }
.login-lockup { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.login-v { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; color: #fff; background: var(--color-primary); font-size: 18px; font-weight: 900; box-shadow: 0 7px 18px rgba(0,47,167,.2); }
.login-lockup > span:last-child { display: grid; line-height: 1; }
.login-lockup b { font-size: 18px; }
.login-lockup small { margin-top: 5px; color: #40506a; font-size: 8px; font-weight: 850; letter-spacing: .24em; }
.login-brand-panel .brand { color: var(--color-primary); }
.login-brand-panel h1 { max-width: 500px; margin: 12px 0 6px; font-size: clamp(42px, 4.2vw, 64px); line-height: 1.08; letter-spacing: -.06em; }
.login-brand-panel h3 { margin: 0 0 12px; color: #23334b; font-size: 15px; letter-spacing: .18em; }
.login-brand-panel p { max-width: 520px; margin: 0; color: #526174; font-size: 14px; line-height: 1.85; }
.login-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.login-pills span { padding: 5px 10px; border: 1px solid #d4deec; border-radius: 999px; color: #334155; background: rgba(255,255,255,.8); font-size: 11px; font-weight: 750; }
.login-pills span::before { content: ""; display: inline-block; width: 5px; height: 5px; margin-right: 6px; border-radius: 50%; background: #3b82f6; vertical-align: 1px; }
.login-brand-panel footer { margin-top: 34px; color: #334155; font-size: 11px; font-weight: 800; }
.login-form-panel { position: absolute; top: 50%; right: 9.3%; width: 360px; transform: translateY(-50%); }
.login-card {
  width: 360px;
  margin: 0;
  padding: 34px 30px;
  border: 0;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 14px 46px rgba(42, 72, 108, .13);
}
.brand { color: var(--color-primary); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.login-eyebrow { margin-bottom: 12px; color: var(--color-primary); font-size: 11px; font-weight: 850; letter-spacing: .16em; }
.login-card h2 { margin: 0 0 8px; font-size: 24px; line-height: 1.35; letter-spacing: -.025em; }
.form { display: grid; gap: 16px; margin-top: 24px; }
.form label { display: grid; gap: 7px; color: #334155; font-size: 13px; font-weight: 700; }
.form input, .form select { min-height: 42px; padding: 0 12px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-control); background: #fff; }
.form .checkbox { display: flex; align-items: center; gap: 8px; }
.checkbox input { min-height: auto; }
.primary { min-height: 40px; padding: 8px 16px; border: 1px solid var(--color-primary); border-radius: var(--radius-control); color: #fff; background: var(--color-primary); font-weight: 800; cursor: pointer; }
.primary:hover { background: var(--color-primary-hover); }
.login-notice { margin-top: 16px; padding: 11px 12px; border: 1px solid #dbe5f6; border-radius: 9px; background: #f7faff; }
.login-notice strong { display: block; margin-bottom: 4px; color: var(--color-primary-hover); font-size: 11px; }
.login-notice p { margin: 0; color: #526174; font-size: 10px; line-height: 1.6; }

/* Application frame */
.page { min-height: 100vh; }
.hero {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 20px 0 14px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 1px 8px rgba(30, 55, 90, .035);
  backdrop-filter: blur(12px);
}
.hero-brand { display: flex; align-items: center; min-width: 0; gap: 12px; }
.hero h1 { margin: 0; font-size: 20px; white-space: nowrap; }
.subtitle { min-width: 0; overflow: hidden; color: var(--color-text-secondary); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-toggle, .logout-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 36px;
  padding: 7px 11px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: #fff;
  color: var(--color-text-secondary);
  font-weight: 750;
  cursor: pointer;
}
.sidebar-toggle:hover, .logout-btn:hover { border-color: #b9cdf0; background: var(--color-primary-soft); color: var(--color-primary-hover); }
.account-actions { display:flex; align-items:center; justify-content:flex-end; gap:10px; min-width:0; }
.account-meta { max-width:min(46vw, 620px); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; text-align:right; }
.header-action { min-height:36px; padding:7px 12px; border:1px solid #b9cdf0; border-radius:var(--radius-control); color:var(--color-primary-hover); background:#fff; font-weight:750; cursor:pointer; }
.modal-backdrop { position:fixed; inset:0; z-index:100; display:grid; place-items:center; padding:20px; background:rgba(15,23,42,.46); }
.modal-card { width:min(440px, 100%); padding:22px; border-radius:var(--radius-panel); background:#fff; box-shadow:0 24px 70px rgba(15,23,42,.25); }
.modal-title-row { display:flex; align-items:center; justify-content:space-between; gap:12px; }
.modal-title-row h2 { margin:0; }
.modal-close { width:34px; height:34px; border:0; border-radius:50%; color:#64748b; background:#f1f5f9; font-size:22px; cursor:pointer; }
.password-form { display:grid; gap:14px; margin-top:18px; }
.password-form label { display:grid; gap:6px; color:#334155; font-size:13px; font-weight:800; }
.password-form input { height:42px; padding:0 11px; border:1px solid var(--color-border-strong); border-radius:var(--radius-control); }
.modal-actions { display:flex; justify-content:flex-end; gap:10px; }
.modal-actions button { min-height:38px; padding:8px 14px; border-radius:var(--radius-control); }
.modal-actions .primary { color:#fff; border:1px solid var(--color-primary); background:var(--color-primary); }
.cockpit-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  height: calc(100vh - var(--header-height));
  overflow: hidden;
  transition: grid-template-columns .18s ease;
}
.sidebar-collapsed .cockpit-shell { grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr); }
.cockpit-sidebar {
  height: 100%;
  overflow: auto;
  padding: 18px 12px;
  border-right: 1px solid var(--color-border);
  background: linear-gradient(180deg, #f8faff 0%, #f5f8fc 100%);
}
.nav-title { display:grid; gap:3px; width: 100%; margin: 0 0 12px; padding: 5px 10px 11px; border: 0; border-bottom: 1px solid #e4eaf3; background: transparent; color: #69778b; text-align: left; font-size: 11px; font-weight: 850; letter-spacing: .06em; }
.nav-title small { color:#a0aaba; font-size:7px; letter-spacing:.16em; line-height:1; }
.nav-items { display: grid; gap: 5px; }
.nav-items button {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 10px;
  align-items: center;
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: #344256;
  text-align: left;
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}
.nav-items button span { display:block; overflow:hidden; text-overflow:ellipsis; }
.nav-items button span { grid-column:2; grid-row:1; line-height:1.25; }
.nav-items button small { grid-column:2; grid-row:2; display:block; margin:2px 0 0; overflow:hidden; color:color-mix(in srgb, var(--nav-accent,#6b7b91) 68%, #68758a); font-size:7px; font-weight:800; letter-spacing:.08em; line-height:1; text-overflow:ellipsis; }
.nav-items button[data-topic="query-demand"] { --nav-accent:#6657c8; --nav-soft:#f0edff; }
.nav-items button[data-topic="resource-supply"] { --nav-accent:#168b83; --nav-soft:#e8f7f5; }
.nav-items button[data-topic="price-coverage"] { --nav-accent:#cb7a16; --nav-soft:#fff4e2; }
.nav-items button[data-topic="price-advantage"] { --nav-accent:#bd4a68; --nav-soft:#feecf1; }
.nav-items button[data-topic="hotel-sales"] { --nav-accent:#258657; --nav-soft:#eaf7ef; }
.nav-items button[data-topic="service-quality"] { --nav-accent:#db702f; --nav-soft:#fff0e7; }
.nav-items button[data-topic="technical-metrics"] { --nav-accent:#c44750; --nav-soft:#fdecED; }
.nav-items button::before {
  grid-column:1;
  grid-row:1 / 3;
  content: attr(data-short);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-right: 0;
  border-radius: 8px;
  background: var(--nav-soft, #eaf1fb);
  color: var(--nav-accent, #31598f);
  font-size: 12px;
  font-weight: 850;
  vertical-align: middle;
}
.nav-items button:hover:not([disabled]) { background: #fff; border-color: #d8e0ec; color: #172033; }
.nav-items button.active { border-color: color-mix(in srgb, var(--nav-accent, var(--color-primary)) 28%, white); color: #172033; background: var(--nav-soft, #eef2ff); box-shadow: 0 5px 14px rgba(42, 60, 92, .08); }
.nav-items button.active::after { content:""; position:absolute; left:-1px; top:9px; bottom:9px; width:3px; border-radius:0 4px 4px 0; background:var(--nav-accent, var(--color-primary)); }
.nav-items button.active::before { color: #fff; background: var(--nav-accent, var(--color-primary)); box-shadow:0 4px 10px color-mix(in srgb, var(--nav-accent, var(--color-primary)) 25%, transparent); }
.nav-items button[disabled] { opacity: .42; cursor: not-allowed; }
.sidebar-collapsed .cockpit-sidebar { padding-inline: 9px; }
.sidebar-collapsed .nav-title { display: none; }
.sidebar-collapsed .nav-items button { display:flex; justify-content:center; padding-inline: 8px; font-size: 0; text-align: center; }
.sidebar-collapsed .nav-items button::before { margin-right: 0; }
.sidebar-collapsed .nav-items button span, .sidebar-collapsed .nav-items button small { display:none; }
.cockpit-content { height: 100%; min-width: 0; overflow: auto; padding: 16px 20px 32px; }
#analyticsPanel, .admin-panel { width: min(100%, 1760px); margin-inline: auto; }

/* Filters and headings */
.cockpit-datebar {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 62px;
  margin-bottom: 18px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}
.date-title { flex: 0 0 auto; font-weight: 850; }
.quick-ranges { display: flex; align-items: center; gap: 6px; overflow-x: auto; scrollbar-width: thin; }
.quick, .apply-btn {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-control);
  background: #fff;
  color: #334155;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}
.quick:hover, .apply-btn:hover { border-color: #9ebbea; color: var(--color-primary-hover); background: var(--color-primary-soft); }
.quick.active { border-color: var(--color-primary); color: #fff; background: var(--color-primary); }
.date-custom { display: flex; align-items: center; gap: 7px; margin-left: auto; color: var(--color-text-secondary); font-size: 12px; white-space: nowrap; }
.date-custom input, .date-custom select { height: 34px; padding: 0 9px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-control); background: #fff; color: #334155; }
.apply-btn { border-color: #b9cdf0; color: var(--color-primary-hover); background: var(--color-primary-soft); }
.analysis-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin: 0 2px 8px; }
.analysis-head h2 { margin: 0 0 4px; font-size: 24px; line-height: 1.3; letter-spacing: -.02em; }
.analysis-head p { margin: 0; color: var(--color-text-secondary); font-size: 13px; }
.section-eyebrow, .section-en { display:block; margin:0; color:var(--topic-color); font-size:8px; font-weight:850; letter-spacing:.13em; line-height:1; }
.page-title-line { display:flex; align-items:baseline; flex-wrap:wrap; gap:10px; }
.page-title-line .section-eyebrow { color:color-mix(in srgb, var(--topic-color) 78%, #64748b); font-size:9px; letter-spacing:.16em; }
.bilingual-heading { display:flex; align-items:baseline; flex-wrap:wrap; gap:7px; }
.bilingual-heading .section-en, .trend-head .section-en { color:color-mix(in srgb, var(--topic-color) 74%, #64748b); }
.analysis-range { flex: 0 0 auto; padding-top: 5px; color: #334155; font-size: 13px; font-weight: 800; font-variant-numeric: tabular-nums; }
.status { min-height: 20px; margin: 4px 2px 8px; color: var(--color-text-secondary); font-size: 12px; }
.status:empty { display: none; }
.status.error { color: var(--color-danger); }

/* Shared panels and section headings */
.trend-card, .method-card, .facts-section, .factors-section, .list-section, .admin-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}
.section-title-row, .factor-head, .trend-head, .factor-detail-head, .method-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.section-title-row { margin-bottom: 14px; }
.section-title-row h3, .factor-head h3, .trend-head h3, .method-head h3, .list-section h3 { margin: 0; font-size: 18px; line-height: 1.35; }
.subline { margin: 5px 0 0; font-size: 12px; line-height: 1.55; }
.section-chip, .fact-badge, .card-badge, .method-head span {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

/* Metric cards */
.metric-row-focus {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 10px;
  margin: 12px 0 20px;
  overflow-x: auto;
  padding: 2px 0 8px;
  scroll-snap-type: x proximity;
}
.metric-card {
  position: relative;
  flex: 1 1 0;
  min-width: 210px;
  min-height: 160px;
  padding: 14px 15px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 14px;
  background: linear-gradient(#fff, #fff) padding-box, linear-gradient(115deg, #f8dfb0, #f1c9a4, #f7e8ca) border-box;
  box-shadow: var(--shadow-card);
  scroll-snap-align: start;
  animation: card-enter .34s cubic-bezier(.2,.7,.2,1) both;
  animation-delay: calc(var(--enter-index, 0) * 35ms);
}
.metric-drill-card { cursor: pointer; transition: border-color .16s ease, box-shadow .16s ease, background-color .16s ease, transform .16s ease; }
.metric-drill-card:hover { box-shadow: 0 9px 22px rgba(194, 116, 38, .10); transform: translateY(-1px); }
.metric-drill-card.selected { background: linear-gradient(#fff, #fff) padding-box, linear-gradient(115deg, #edc17b, #e9b98b, #f4ddba) border-box; box-shadow: 0 8px 20px rgba(194, 116, 38, .10); }
.metric-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.metric-card .name { position: relative; min-width: 0; overflow: hidden; padding-right: 12px; color: #111827; font-size: 13px; font-weight: 850; text-overflow: ellipsis; white-space: nowrap; }
.metric-card .name::after { content: ""; position: absolute; top: 5px; right: 1px; width: 7px; height: 7px; border-radius: 50%; background: #efbd72; box-shadow: 0 0 0 4px #fff7e8; }
.card-badge { color: var(--color-success); background: var(--color-success-soft); }
.metric-card .value { display: flex; align-items: flex-end; gap: 5px; min-height: 36px; margin: 12px 0 5px; line-height: 1; }
.metric-card .num { overflow: hidden; color: #101827; font-size: clamp(27px, 2vw, 34px); font-weight: 900; letter-spacing: -.045em; font-variant-numeric: tabular-nums; text-overflow: ellipsis; white-space: nowrap; }
.metric-card .unit { margin-bottom: 4px; color: var(--color-text-secondary); font-size: 12px; font-weight: 750; }
.metric-range-note { padding-bottom: 9px; color: #64748b; font-size: 10px; font-weight: 700; }
.metric-comparison { display: grid; gap: 3px; padding-top: 8px; border-top: 1px solid #edf0f4; }
.metric-period-line { display: flex; align-items: center; gap: 5px 10px; min-width: 0; }
.metric-comparison .change { display: inline-flex; align-items: center; gap: 4px; min-width: 0; padding: 0; color: var(--color-text-secondary); background: transparent; font-size: 10px; font-weight: 750; white-space: nowrap; }
.metric-comparison .change b { flex: 0 0 auto; color: #26354a; }
.metric-comparison .change em { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.metric-comparison .change b { color: #334155; }
.metric-comparison .change em { font-style: normal; }
.metric-comparison .change.up { color: #64748b; background: transparent; }
.metric-comparison .change.down { color: #64748b; background: transparent; }
.metric-week-line { display: flex; align-items: center; gap: 5px; color: var(--color-primary); font-size: 10px; font-weight: 800; }
.metric-week-line b { font-weight: 850; }
.metric-week-line em { font-style: normal; }
.metric-week-line.up, .metric-week-line.down, .metric-week-line.flat { color: var(--color-primary); }

/* Trend and methodology */
.trend-section { display: grid; grid-template-columns: minmax(0, 2.25fr) minmax(300px, .75fr); gap: 16px; margin-bottom: var(--content-gap); }
.trend-card { min-width: 0; padding: 18px; }
.trend-head { margin-bottom: 12px; }
.grain-switch, .factor-tabs { display: inline-flex; flex: 0 0 auto; align-items: center; overflow-x: auto; border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-surface-subtle); }
.grain-switch button, .factor-tabs button { min-height: 34px; padding: 7px 12px; border: 0; border-left: 1px solid var(--color-border); background: transparent; color: var(--color-text-secondary); font-size: 12px; font-weight: 800; white-space: nowrap; cursor: pointer; }
.grain-switch button:first-child, .factor-tabs button:first-child { border-left: 0; }
.grain-switch button.active, .factor-tabs button.active { color: #fff; background: var(--topic-color); }
.method-card { padding: 18px; border-top: 3px solid var(--topic-color); }
.method-head { align-items: center; margin-bottom: 12px; }
.method-head span { color: var(--color-text-muted); background: var(--color-surface-subtle); }
.method-list { display: grid; gap: 9px; }
.method-item { min-height: 74px; padding: 11px 12px; border: 1px solid color-mix(in srgb, var(--topic-color) 20%, white); border-radius: 10px; background: var(--topic-soft); }
.method-item strong { display: block; margin-bottom: 5px; color: var(--topic-strong); font-size: 12px; }
.method-item p { margin: 0; color: #475569; font-size: 12px; line-height: 1.55; }
.trend-table { min-width: 0; }
.chart-legend { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 18px; margin-bottom: 8px; color: #334155; font-size: 12px; font-weight: 800; }
.legend-key { position: relative; padding-left: 20px; }
.legend-key::before { content: ""; position: absolute; left: 0; top: 50%; width: 13px; border-top: 3px solid var(--topic-color); transform: translateY(-50%); }
.legend-key.mean-key::before { border-top: 2px dashed var(--topic-mean); }
.trend-tooltip { position: absolute; z-index: 4; display: block; width: 220px; padding: 0; overflow: hidden; border: 1px solid color-mix(in srgb, var(--topic-color) 35%, white); border-radius: 10px; color: var(--color-text-secondary); background: #fff; box-shadow: 0 14px 32px var(--topic-shadow); font-size: 11px; line-height: 1.4; pointer-events: none; opacity: 0; transform: translate(-50%, calc(-100% - 16px)); transition: opacity .08s linear, transform .08s ease; }
.trend-tooltip.visible { opacity: 1; transform: translate(-50%, calc(-100% - 12px)); }
.trend-tooltip.visible.below { transform: translate(-50%, 14px); }
.tooltip-title { display: block; padding: 8px 11px; color: #fff; background: var(--topic-color); font-size: 12px; font-weight: 850; font-variant-numeric: tabular-nums; }
.tooltip-metric { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 11px 11px 8px; }
.tooltip-metric span { color: #526174; font-size: 11px; }
.tooltip-metric b { color: #0f172a; font-size: 19px; font-weight: 900; font-variant-numeric: tabular-nums; }
.tooltip-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #e6ecf4; background: #f8fafc; }
.tooltip-field { display: grid; gap: 3px; padding: 8px 11px; white-space: nowrap; }
.tooltip-field + .tooltip-field { border-left: 1px solid #e6ecf4; }
.tooltip-field b { color: #7a8798; font-size: 10px; font-weight: 700; }
.tooltip-field em { color: var(--color-text); font-size: 12px; font-style: normal; font-weight: 850; font-variant-numeric: tabular-nums; }
.trend-viewport { position: relative; width: 100%; overflow: visible; border: 1px solid var(--color-border); border-radius: 11px; background: #fff; line-height: 0; }
.trend-svg { display: block; width: 100%; height: clamp(300px, 25vw, 360px); }
.grid-line { stroke: #e7edf5; stroke-width: 1; stroke-dasharray: 3 5; vector-effect: non-scaling-stroke; }
.trend-area { fill: var(--topic-area); opacity: 1; }
.trend-reveal-rect { transform-box: fill-box; transform-origin: left center; animation: area-reveal 1.24s cubic-bezier(.22,.72,.2,1) both; }
.trend-line { fill: none; stroke: var(--topic-color); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; stroke-dasharray: 1800; stroke-dashoffset: 1800; animation: line-draw 1.18s cubic-bezier(.22,.72,.2,1) forwards; }
.mean-line { stroke: var(--topic-mean); stroke-width: 2; stroke-dasharray: 7 6; vector-effect: non-scaling-stroke; }
.mean-label { fill: var(--topic-mean-text); font-size: 11px; font-weight: 800; paint-order: stroke; stroke: #fff; stroke-width: 4px; }
.trend-hit { fill: transparent; stroke: transparent; cursor: pointer; }
.trend-dot { fill: var(--topic-color); stroke: #fff; stroke-width: 3; vector-effect: non-scaling-stroke; }
.trend-point:hover .trend-dot, .trend-point:focus .trend-dot, .trend-point.active .trend-dot { r: 7; fill: var(--topic-strong); stroke: var(--topic-soft); stroke-width: 5; }
.trend-point:focus { outline: none; }
.axis-label { fill: #64748b; font-size: 11px; font-variant-numeric: tabular-nums; }
.x-axis-label { font-size: 10px; }
.y-axis-label, .trend-value-label { paint-order: stroke; stroke: #fff; stroke-width: 4px; }
.trend-value-label { fill: #172033; font-size: 10px; font-weight: 800; pointer-events: none; }

/* Business facts */
.facts-section, .factors-section, .list-section { margin-bottom: var(--content-gap); padding: 18px; }
.fact-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.fact-card { min-width: 0; min-height: 108px; padding: 14px; border: 1px solid #dbe7f7; border-radius: var(--radius-card); background: #f8fbff; }
.fact-card.red { border-color: #f7d0d0; background: #fff8f8; }
.fact-top { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.fact-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--topic-color); box-shadow: 0 0 0 4px var(--topic-shadow); }
.fact-card.red .fact-dot { background: var(--color-danger); box-shadow: 0 0 0 4px rgba(220, 38, 38, .08); }
.fact-top strong { min-width: 0; font-size: 13px; }
.fact-badge { margin-left: auto; color: var(--color-text-secondary); background: #fff; }
.fact-card p { display: -webkit-box; margin: 0; overflow: hidden; color: #475569; font-size: 12px; line-height: 1.6; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }

/* Factors */
.factor-head { margin-bottom: 14px; }
.factor-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 11px; }
.factor-card { position: relative; min-width: 0; min-height: 122px; padding: 15px; border: 1px solid #cfd9e8; border-radius: var(--radius-card); background: #fff; box-shadow: var(--shadow-card); animation: card-enter .32s cubic-bezier(.2,.7,.2,1) both; animation-delay:calc(var(--enter-index, 0) * 38ms); }
.factor-drill-card { cursor: pointer; transition: border-color .16s ease, box-shadow .16s ease, background-color .16s ease, transform .16s ease; }
.factor-drill-card:hover { border-color: var(--topic-color); box-shadow: 0 10px 24px var(--topic-shadow); transform: translateY(-2px); }
.factor-drill-card.selected { border-color: var(--topic-color); background: var(--topic-soft); box-shadow: inset 3px 0 0 var(--topic-color), 0 10px 24px var(--topic-shadow); }
.factor-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.factor-card .name { display: -webkit-box; min-width: 0; min-height: 42px; overflow: hidden; color: #26354a; font-size: 13px; font-weight: 800; line-height: 1.55; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.factor-dot { flex: 0 0 auto; width: 8px; height: 8px; margin-top: 6px; border-radius: 50%; background: var(--topic-color); box-shadow: 0 0 0 4px var(--topic-shadow); }
.factor-card .value { display: inline-block; margin-top: 7px; color: #0f172a; font-size: 28px; font-weight: 850; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.factor-unit { margin-left: 5px; color: var(--color-text-secondary); font-size: 12px; font-weight: 750; }
.factor-card .meta { margin-top: 7px; padding-top: 7px; overflow: hidden; border-top: 1px solid #edf1f6; color: var(--color-text-secondary); font-size: 11px; line-height: 1.55; text-overflow: ellipsis; white-space: nowrap; }
.factor-comparison { display: inline-flex; margin: 7px 0 1px; padding: 4px 7px; border-radius: 999px; color: var(--color-text-secondary); background: #f1f5f9; font-size: 11px; font-weight: 750; }
.factor-comparison.up { color: var(--color-danger); background: var(--color-danger-soft); }
.factor-comparison.down { color: var(--color-success); background: var(--color-success-soft); }
.factor-detail { margin-top: 16px; padding: 0; border: 0; background: transparent; }
.factor-detail h4 { margin: 0; font-size: 17px; }
.factor-detail-head { margin-bottom: 12px; }
.factor-detail-grid { display: grid; grid-template-columns: minmax(0, 2.25fr) minmax(300px, .75fr); gap: 16px; }
.factor-detail-grid .trend-card, .factor-detail-grid .method-card { min-width: 0; padding: 18px; }
.factor-detail-grid aside .method-list { grid-template-columns: 1fr; }
.detail-close { min-height: 32px; padding: 5px 10px; border: 1px solid var(--color-border); border-radius: var(--radius-control); background: #fff; color: var(--color-text-secondary); font-size: 12px; font-weight: 750; cursor: pointer; }

/* Data table */
.supplier-list, .admin-accounts { max-width: 100%; overflow: auto; border: 1px solid var(--color-border); border-radius: var(--radius-card); }
.table { width: 100%; min-width: 760px; border-collapse: collapse; background: #fff; }
.table th { position: sticky; top: 0; z-index: 1; padding: 11px 12px; border-bottom: 1px solid var(--color-border-strong); color: #475569; background: #f8fafc; text-align: left; font-size: 12px; font-weight: 800; white-space: nowrap; }
.table td { padding: 11px 12px; border-bottom: 1px solid #edf1f6; color: #334155; font-size: 12px; white-space: nowrap; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: #f7faff; }
.table td:first-child { color: var(--color-primary-hover); font-weight: 750; }
.list-pagination { display: flex; align-items: center; justify-content: flex-end; gap: 8px; margin-top: 12px; color: var(--color-text-secondary); font-size: 12px; font-weight: 750; }
.list-pagination button:disabled { opacity: .45; cursor: not-allowed; }
.list-pagination #pageInfo { min-width: 140px; text-align: center; font-variant-numeric: tabular-nums; }
.empty { grid-column: 1 / -1; padding: 18px; border: 1px dashed var(--color-border-strong); border-radius: var(--radius-card); color: var(--color-text-secondary); background: #fff; text-align: center; }

/* Admin */
.admin-panel { padding: 20px; }
.admin-panel h2 { margin: 0 0 6px; }
.admin-tabs { display:flex; gap:8px; margin:20px 0; padding-bottom:10px; border-bottom:1px solid var(--color-border); }
.admin-tabs button { min-height:38px; padding:8px 16px; border:1px solid var(--color-border); border-radius:var(--radius-control); color:var(--color-text-secondary); background:#fff; font-weight:800; cursor:pointer; }
.admin-tabs button.active { color:#fff; border-color:var(--color-primary); background:var(--color-primary); }
.admin-pane-title { display:flex; align-items:center; justify-content:space-between; gap:16px; }
.admin-pane-title h3 { margin:0 0 6px; }
.admin-filter { display:grid; grid-template-columns:minmax(260px, 2fr) minmax(140px, .7fr) auto auto; gap:10px; margin:12px 0; }
.admin-filter input, .admin-filter select, .admin-filter button { min-height:40px; padding:0 10px; border:1px solid var(--color-border-strong); border-radius:var(--radius-control); background:#fff; }
.admin-filter button.primary { color:#fff; border-color:var(--color-primary); background:var(--color-primary); }
.admin-list-pagination { display:flex; justify-content:flex-end; align-items:center; gap:10px; margin-top:12px; color:var(--color-text-secondary); font-size:12px; font-weight:750; }
.admin-list-pagination button:disabled { opacity:.45; cursor:not-allowed; }
.admin-form { display: grid; grid-template-columns: repeat(4, minmax(160px, 1fr)); gap: 13px; align-items: end; margin: 18px 0; }
.admin-form label { display: grid; gap: 6px; color: #334155; font-size: 12px; font-weight: 800; }
.admin-form input, .admin-form select { height: 40px; padding: 0 10px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-control); background: #fff; }
.admin-form button { height: 40px; }
.admin-accounts tbody tr { cursor: pointer; }
.admin-head-actions, .admin-form-actions, .admin-row-actions { display:flex; align-items:center; gap:8px; }
.admin-form-actions { align-self:end; }
.admin-row-actions { white-space:nowrap; }
.admin-link { padding:3px 7px; border:0; border-radius:6px; color:var(--color-primary); background:transparent; font-size:12px; font-weight:750; cursor:pointer; }
.admin-link:hover { background:var(--color-primary-soft); }
.admin-link.danger { color:var(--color-danger); }
.admin-link.danger:hover { background:var(--color-danger-soft); }
.admin-form input[readonly] { color:#64748b; background:#f1f5f9; cursor:not-allowed; }

/* Responsive */
@keyframes card-enter { from { opacity:0; transform:translateY(7px); } to { opacity:1; transform:translateY(0); } }
@keyframes line-draw { to { stroke-dashoffset:0; } }
@keyframes area-reveal { from { transform:scaleX(0); } to { transform:scaleX(1); } }
@media (max-width: 1439px) {
  .cockpit-content { padding-inline: 16px; }
  .trend-section { grid-template-columns: minmax(0, 1.8fr) minmax(280px, .8fr); }
  .fact-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .date-custom { width: 100%; margin-left: 0; justify-content: flex-end; }
}
@media (max-width: 1023px) {
  .cockpit-shell { grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr); }
  .cockpit-sidebar { padding-inline: 9px; }
  .nav-title { display: none; }
  .nav-items button { padding-inline: 8px; font-size: 0; text-align: center; }
  .nav-items button::before { margin-right: 0; }
  .trend-section { grid-template-columns: 1fr; }
  .factor-detail-grid { grid-template-columns: 1fr; }
  .method-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-form { grid-template-columns: repeat(2, minmax(160px, 1fr)); }
}
@media (max-width: 767px) {
  :root { --header-height: 64px; }
  .hero { padding-inline: 10px; }
  .hero h1 { font-size: 18px; }
  .hero .subtitle { display: none; }
  .sidebar-toggle { display: none; }
  .cockpit-shell, .sidebar-collapsed .cockpit-shell { display: block; height: auto; overflow: visible; }
  .cockpit-sidebar { position: sticky; top: 0; z-index: 8; height: auto; padding: 8px; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--color-border); background: rgba(249, 251, 254, .97); }
  .nav-items { display: flex; min-width: max-content; }
  .nav-items button, .sidebar-collapsed .nav-items button { width: auto; min-width: 54px; padding: 7px 10px; font-size: 0; text-align: center; }
  .cockpit-content { height: auto; overflow: visible; padding: 12px 10px 24px; }
  .cockpit-datebar { align-items: flex-start; overflow: hidden; }
  .date-title { display: none; }
  .quick-ranges { width: 100%; }
  .date-custom { justify-content: flex-start; overflow-x: auto; }
  .analysis-head { display: grid; gap: 6px; }
  .analysis-head h2 { font-size: 21px; }
  .analysis-range { padding-top: 0; }
  .metric-row-focus { display: flex; overflow-x: auto; scroll-snap-type: x proximity; }
  .metric-row-focus .metric-card { flex: 0 0 min(78vw, 270px); scroll-snap-align: start; }
  .trend-head, .factor-head { display: grid; }
  .grain-switch, .factor-tabs { width: 100%; }
  .grain-switch button, .factor-tabs button { flex: 1 0 auto; }
  .method-list, .fact-grid, .factor-detail-grid aside .method-list { grid-template-columns: 1fr; }
  .trend-svg { height: 280px; }
  .login-brand-panel { display: none; }
  .login-page { background-image: image-set(url('/login-background-mobile.webp') type('image/webp'), url('/login-background.jpg') type('image/jpeg')); }
  .login-form-panel { top: 50%; right: auto; left: 50%; width: min(360px, calc(100% - 32px)); transform: translate(-50%, -50%); }
  .login-card { width: 100%; }
  .factor-grid { grid-template-columns: 1fr; }
  .list-pagination { justify-content: center; flex-wrap: wrap; }
  .admin-form { grid-template-columns: 1fr; }
}
@media (max-width: 430px) {
  .login-card { padding: 28px 22px; }
  .cockpit-datebar { padding: 10px; }
  .date-custom input { width: 130px; }
  .trend-card, .method-card, .facts-section, .factors-section, .list-section { padding: 14px; }
  .trend-svg { height: 250px; }
  .fact-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto; transition-duration: .01ms; animation-duration: .01ms; animation-delay:0ms; animation-iteration-count: 1; }
}