/* ═══════════════════════════════════════════════════
   CIQ Research Portal — Lighthouse Design Language
   White + accent #B85E27 · Inter + Noto Sans SC ·
   Thin-line cards · Mono micro-labels
═══════════════════════════════════════════════════ */

/* ─── Local Fonts ─────────────────────────────────── */
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('assets/fonts/inter-400.woff2') format('woff2');
  unicode-range: U+0000-007F, U+0080-00FF, U+0131, U+0152-0153, U+2013-2014, U+2018-201D, U+2022, U+2026, U+2122, U+2212, U+FEFF, U+FFFD; }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap;
  src: url('assets/fonts/inter-500.woff2') format('woff2');
  unicode-range: U+0000-007F, U+0080-00FF, U+0131, U+0152-0153, U+2013-2014, U+2018-201D, U+2022, U+2026, U+2122, U+2212, U+FEFF, U+FFFD; }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap;
  src: url('assets/fonts/inter-600.woff2') format('woff2');
  unicode-range: U+0000-007F, U+0080-00FF, U+0131, U+0152-0153, U+2013-2014, U+2018-201D, U+2022, U+2026, U+2122, U+2212, U+FEFF, U+FFFD; }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('assets/fonts/jbmono-400.woff2') format('woff2');
  unicode-range: U+0000-007F, U+0080-00FF, U+0131, U+0152-0153, U+2013-2014, U+2018-201D, U+2022, U+2026, U+2122, U+2212, U+FEFF, U+FFFD; }
@font-face { font-family: 'Noto Sans SC'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('assets/fonts/noto-sans-sc-400.woff2') format('woff2'); }
@font-face { font-family: 'Noto Sans SC'; font-style: normal; font-weight: 500; font-display: swap;
  src: url('assets/fonts/noto-sans-sc-500.woff2') format('woff2'); }
@font-face { font-family: 'Noto Sans SC'; font-style: normal; font-weight: 600; font-display: swap;
  src: url('assets/fonts/noto-sans-sc-500.woff2') format('woff2'); }

:root {
  --bg:            #FFFFFF;
  --bg-panel:      #FFFFFF;
  --bg-soft:       #FAFAFA;
  --bg-faint:      #F4F4F4;

  --ink:           #0A0A0A;
  --ink-muted:     #6B6B6B;
  --ink-disabled:  #BFBFBF;

  --line:          #E8E8E8;
  --line-faint:    #F4F4F4;

  --accent:        #B85E27;
  --accent-hover:  #A55222;
  --accent-light:  rgba(184,94,39,0.08);
  --accent-focus:  rgba(184,94,39,0.18);

  --green:  #2e7d32;
  --red:    #d32f2f;
  --amber:  #ed6c02;

  --fs-hero:   3rem;
  --fs-h1:     1.6rem;
  --fs-h2:     1.1rem;
  --fs-body:   0.93rem;
  --fs-meta:   0.82rem;
  --fs-micro:  0.72rem;

  --font-sans: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", ui-monospace, monospace;

  --sidebar-width: 260px;
  --nav-h: 56px;
  --radius: 8px;
  --radius-sm: 6px;
  --t: 150ms;

  /* Back-compat aliases for legacy class references */
  --bg-primary:   var(--bg);
  --bg-secondary: var(--bg-panel);
  --bg-tertiary:  var(--bg-soft);
  --bg-card:      var(--bg-panel);
  --bg-hover:     var(--accent-light);
  --border:       var(--line);
  --border-light: var(--line-faint);
  --text-primary:   var(--ink);
  --text-secondary: var(--ink-muted);
  --text-muted:     var(--ink-muted);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; }
body {
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
html { height: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ── Scrollbar ──────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-disabled); }

/* ── Top Nav (Lighthouse) ───────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: var(--fs-body); letter-spacing: -0.02em; font-weight: 400;
  color: var(--ink);
}
.nav-logo strong { font-weight: 600; }
.nav-slash { color: var(--ink-muted); margin: 0 8px; font-weight: 300; }
.nav-brand-icon { display: block; width: 22px; height: 22px; }
.nav-actions {
  display: flex; align-items: center; gap: 10px;
}
.nav-data-date {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding: 6px 10px;
}
.nav-data-date .val { color: var(--accent); font-weight: 500; }

/* ── Layout ─────────────────────────────────────── */
#app {
  display: flex;
  height: calc(100vh - var(--nav-h));
  margin-top: var(--nav-h);
  overflow: hidden;
}

/* ── Sidebar ────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-panel);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#sidebar-header {
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}
#sidebar-header h1 {
  font-size: var(--fs-body);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}
#sidebar-header .subtitle {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 6px;
}

/* Data date bar (retained for compatibility, subtle) */
#data-date-bar {
  padding: 8px 18px;
  background: var(--accent-light);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  flex-shrink: 0;
}

/* Search box */
#search-box {
  margin: 12px 14px;
  position: relative;
  flex-shrink: 0;
}
#search-input {
  width: 100%;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  padding: 8px 12px 8px 32px;
  font-size: var(--fs-meta);
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
  font-family: var(--font-sans);
}
#search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
#search-input::placeholder { color: var(--ink-disabled); }
.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-muted);
  font-size: 12px;
  pointer-events: none;
}

/* Company list */
#company-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0 8px;
}
.sector-group { margin-bottom: 6px; }
.sector-label {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding: 14px 18px 6px;
}
.company-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: background var(--t), color var(--t), border-color var(--t);
}
.company-item:hover { background: var(--accent-light); }
.company-item.active {
  background: var(--accent-light);
  border-left-color: var(--accent);
}
.company-item.active .company-name { color: var(--accent); font-weight: 500; }

.company-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line);
  flex-shrink: 0;
}
.company-item:hover .company-dot,
.company-item.active .company-dot { background: var(--accent); }

.company-name {
  font-size: var(--fs-meta);
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 400;
}
.company-ticker {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--ink-muted);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* Sidebar footer */
#sidebar-footer {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  flex-shrink: 0;
}
#btn-add-company {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 12px;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: var(--fs-meta);
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--t), color var(--t), background var(--t);
  font-family: var(--font-sans);
}
#btn-add-company:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

/* ── Main Content ───────────────────────────────── */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}

/* Top bar */
#top-bar {
  background: var(--bg-panel);
  border-bottom: 1px solid var(--line);
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-shrink: 0;
  gap: 10px;
}
#top-bar .data-date-label {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-right: auto;
}
#top-bar .data-date-val {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* Generic button treatments used by top-bar buttons */
#btn-refresh, #btn-bulk-export {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: var(--fs-meta);
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--t), border-color var(--t), color var(--t);
  font-family: var(--font-sans);
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}
#btn-refresh:hover, #btn-bulk-export:hover {
  border-color: var(--ink);
}
#btn-bulk-export {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
#btn-bulk-export:hover {
  background: #000;
  border-color: #000;
}

/* Empty state */
#empty-state {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: var(--ink-muted);
  padding: 40px;
}
#empty-state .icon { font-size: 40px; opacity: .5; }
#empty-state h2 {
  font-size: var(--fs-h2);
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.01em;
}
#empty-state p { font-size: var(--fs-meta); }
#empty-state code {
  background: var(--bg-faint);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
}

/* ── Company Detail ─────────────────────────────── */
#detail-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Hero */
#hero {
  background: var(--bg-panel);
  border-bottom: 1px solid var(--line);
  padding: 24px 28px 20px;
  flex-shrink: 0;
}
.hero-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.hero-left { min-width: 0; }
.hero-company {
  font-size: var(--fs-h1);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.hero-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
  flex-wrap: wrap;
}
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 4px;
  font-size: var(--fs-micro);
  font-weight: 500;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-muted);
  text-transform: uppercase;
}
.badge-ticker {
  background: var(--accent-light);
  color: var(--accent);
  border-color: rgba(184,94,39,0.25);
}
.badge-sector, .badge-exchange {
  background: var(--bg-faint);
  color: var(--ink-muted);
  border-color: var(--line);
}

.hero-right {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  flex-shrink: 0;
}
.hero-stat { text-align: right; }
.hero-stat-label {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--ink-muted);
  margin-bottom: 4px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero-stat-value {
  font-size: 20px;
  font-weight: 500;
  font-family: var(--font-mono);
  color: var(--ink);
  letter-spacing: -0.01em;
}
.hero-stat-unit {
  font-size: var(--fs-micro);
  color: var(--ink-muted);
  font-weight: 400;
  margin-left: 4px;
  font-family: var(--font-sans);
}
.hero-stat-value.price { color: var(--accent); }
.hero-stat-sub { font-size: var(--fs-micro); margin-top: 1px; }
.positive { color: var(--green); }
.negative { color: var(--red); }
.neutral  { color: var(--ink-muted); }

/* Metrics strip */
.hero-metrics {
  display: flex;
  gap: 0;
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.hero-metric {
  flex: 1;
  padding: 10px 16px;
  border-right: 1px solid var(--line);
  min-width: 0;
}
.hero-metric:last-child { border-right: none; }
.hm-label {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--ink-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hm-value {
  font-size: var(--fs-body);
  font-weight: 500;
  font-family: var(--font-mono);
  color: var(--ink);
  margin-top: 3px;
}

/* Export button in hero */
#btn-export-company {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  font-size: var(--fs-meta);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--t), border-color var(--t);
  margin-top: 12px;
  font-family: var(--font-sans);
}
#btn-export-company:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

/* ── Tabs ───────────────────────────────────────── */
#tabs-bar {
  display: flex;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--line);
  padding: 0 28px;
  gap: 0;
  flex-shrink: 0;
}
.tab-btn {
  padding: 12px 18px;
  font-size: var(--fs-meta);
  font-weight: 500;
  color: var(--ink-muted);
  cursor: pointer;
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--t), border-color var(--t);
  font-family: var(--font-sans);
  letter-spacing: 0.01em;
}
.tab-btn:hover { color: var(--ink); }
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Tab content area */
#tab-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px 32px;
  background: var(--bg);
}
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Section headings + Cards ───────────────────── */
.section-title {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 400;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
  margin-top: 4px;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 18px;
}
.card-title {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 400;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-faint);
}

/* KPI grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.kpi-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  transition: border-color var(--t);
}
.kpi-card:hover { border-color: var(--ink); }
.kpi-label {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--ink-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.kpi-value {
  font-size: var(--fs-h2);
  font-weight: 500;
  font-family: var(--font-mono);
  color: var(--ink);
  letter-spacing: -0.01em;
}
.kpi-sub  { font-size: var(--fs-micro); color: var(--ink-muted); margin-top: 3px; }
.kpi-unit { font-size: var(--fs-micro); color: var(--ink-muted); margin-top: 3px; font-weight: 400; }

/* ── Tables ─────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  margin-bottom: 18px;
  background: #fff;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-meta);
}
thead tr { background: var(--bg-faint); }
thead th {
  text-align: left;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 400;
  color: var(--ink-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
thead th:not(:first-child) { text-align: right; }

tbody tr {
  border-bottom: 1px solid var(--line-faint);
  transition: background var(--t);
}
tbody tr:hover { background: var(--accent-light); }
tbody tr:last-child { border-bottom: none; }
tbody tr:nth-child(even) { background: var(--bg-soft); }
tbody tr:nth-child(even):hover { background: var(--accent-light); }

tbody td {
  padding: 9px 14px;
  color: var(--ink);
  white-space: nowrap;
}
tbody td:not(:first-child) {
  text-align: right;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
}
.metric-name {
  color: var(--ink);
  font-size: var(--fs-meta);
  padding-left: 14px;
  font-weight: 400;
}

td.nm { color: var(--ink-disabled); font-style: italic; }
td.pos { color: var(--green); }
td.neg { color: var(--red); }

/* Growth rows */
tr.growth-row td {
  color: var(--ink-muted);
  font-style: normal;
  font-size: var(--fs-micro);
  padding-top: 4px;
  padding-bottom: 4px;
  background: transparent !important;
  border-bottom: none;
}
tr.growth-row td:not(:first-child) { font-family: var(--font-mono); }
.growth-pos { color: var(--green) !important; }
.growth-neg { color: var(--red) !important; }
.growth-label {
  color: var(--ink-muted);
  font-size: var(--fs-micro);
  padding-left: 22px !important;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* Unit hints in table headers */
thead th .unit-hint {
  font-size: 9px;
  font-weight: 400;
  color: var(--ink-disabled);
  letter-spacing: 0;
  text-transform: none;
  display: block;
  margin-top: 2px;
  font-family: var(--font-sans);
}

/* ── Valuation matrix ───────────────────────────── */
.val-matrix {
  display: grid;
  grid-template-columns: 200px repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: var(--fs-meta);
  margin-bottom: 18px;
  background: #fff;
}
.vm-header {
  background: var(--bg-faint);
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 400;
  color: var(--ink-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line-faint);
}
.vm-header:last-child { border-right: none; }
.vm-cell {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-faint);
  border-right: 1px solid var(--line-faint);
  text-align: right;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--ink);
  background: #fff;
}
.vm-cell:last-child { border-right: none; }
.vm-cell.label {
  text-align: left;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  font-weight: 400;
  background: var(--bg-soft);
}
.vm-cell.nm { color: var(--ink-disabled); font-style: italic; }
.vm-row-odd .vm-cell { background: var(--bg-soft); }
.vm-row-odd .vm-cell.label { background: var(--bg-faint); }
.vm-cell.last { border-bottom: none; }

/* ── Loading ────────────────────────────────────── */
.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--ink-muted);
  font-size: var(--fs-meta);
  gap: 8px;
}
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error-msg {
  padding: 14px 16px;
  background: rgba(211, 47, 47, .05);
  border: 1px solid rgba(211, 47, 47, .25);
  border-radius: var(--radius-sm);
  color: var(--red);
  font-size: var(--fs-meta);
  margin-bottom: 16px;
}

/* ── No-data placeholder ────────────────────────── */
.no-data {
  color: var(--ink-muted);
  font-size: var(--fs-meta);
  padding: 28px;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  margin-bottom: 18px;
  background: var(--bg-soft);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* Forecast grid */
.forecast-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}

/* ── Modal overlay ──────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,10,10,0.35);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
  animation: modal-fade-in var(--t) ease-out;
}
@keyframes modal-fade-in { from { opacity: 0 } to { opacity: 1 } }

.modal-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 34px 28px;
  width: 480px;
  max-width: 95vw;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
  animation: modal-rise 180ms ease-out;
}
@keyframes modal-rise {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.modal-title {
  font-size: var(--fs-h1);
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.modal-field { margin-bottom: 14px; }
.modal-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 400;
  color: var(--ink-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.modal-field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: var(--fs-body);
  font-family: var(--font-sans);
  color: var(--ink);
  background: #fff;
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
}
.modal-field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.modal-hint {
  font-size: var(--fs-micro);
  color: var(--ink-muted);
  margin-top: 6px;
  line-height: 1.55;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 22px;
}
.btn-cancel {
  padding: 9px 18px;
  background: #fff;
  color: var(--ink-muted);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: var(--fs-body);
  font-weight: 400;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background var(--t), color var(--t);
}
.btn-cancel:hover { background: var(--bg-faint); color: var(--ink); }
.btn-confirm {
  padding: 9px 18px;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  font-size: var(--fs-body);
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background var(--t), border-color var(--t);
}
.btn-confirm:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

/* Modal notice / success */
.modal-notice {
  margin-top: 14px;
  padding: 10px 14px;
  background: rgba(46, 125, 50, 0.06);
  border: 1px solid rgba(46, 125, 50, 0.25);
  border-radius: var(--radius-sm);
  font-size: var(--fs-meta);
  color: var(--green);
  display: none;
}

/* ── History (历史走势) charts ───────────────────── */
.history-chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}
.history-chart-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px 6px;
  background: #fff;
}
.history-chart-title {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--ink-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.history-chart-svg { display: block; }
.history-chart-svg svg { display: block; width: 100%; height: auto; }

.hist-quick {
  padding: 8px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-sans);
  color: var(--ink);
  transition: border-color var(--t), color var(--t), background var(--t);
}
.hist-quick:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 900px) {
  .forecast-grid { grid-template-columns: 1fr; }
  .hero-right { flex-wrap: wrap; gap: 12px; }
  .hero-metrics { flex-wrap: wrap; }
  .nav { padding: 0 16px; }
}

@media (max-width: 700px) {
  #sidebar { width: 220px; min-width: 220px; }
  #tab-content { padding: 16px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}