:root {
  color-scheme: dark;
  --bg: #07090d;
  --sidebar: #0b0e14;
  --panel: #10151d;
  --panel-2: #141b24;
  --line: #202b38;
  --text: #f3f7fb;
  --muted: #8593a3;
  --soft: #b5c1cc;
  --mint: #69f0d0;
  --cyan: #55c9ff;
  --amber: #f8c768;
  --red: #ff7185;
  --green: #4ee59b;
  --radius: 18px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); }
button, select, input, a { font: inherit; }
button, select { color: inherit; }
[hidden] { display: none !important; }
.bad-text { color: var(--red) !important; }

.shell { min-height: 100vh; display: grid; grid-template-columns: 292px minmax(0, 1fr); }
.sidebar {
  position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column;
  padding: 24px 18px 18px; background: linear-gradient(180deg, #0d1118, #090c11);
  border-right: 1px solid var(--line); overflow: hidden;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 0 6px 24px; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; color: #07110e; background: var(--mint); font-weight: 900; box-shadow: 0 0 30px #69f0d033; }
.brand strong { display: block; letter-spacing: .12em; font-size: 13px; }
.brand span { display: block; color: var(--muted); margin-top: 3px; font-size: 11px; }

.city-switcher { display: block; padding: 14px; border: 1px solid var(--line); background: #121821; border-radius: 14px; }
.city-switcher > span { display: block; color: var(--muted); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 8px; }
.city-switcher select, #market-date { width: 100%; border: 0; outline: 0; background: transparent; font-weight: 750; }
.sidebar-meta { display: flex; justify-content: space-between; align-items: baseline; padding: 20px 8px 10px; }
.sidebar-meta span { font-size: 12px; font-weight: 800; color: var(--mint); }
.sidebar-meta small { color: var(--muted); font-size: 10px; }
.city-list { min-height: 0; overflow-y: auto; padding-right: 4px; scrollbar-width: thin; }
.city-item { width: 100%; display: grid; grid-template-columns: 10px 1fr auto; gap: 10px; align-items: center; border: 0; background: transparent; padding: 10px 9px; border-radius: 12px; text-align: left; cursor: pointer; }
.city-item:hover { background: #151c25; }
.city-item.active { background: #18222c; box-shadow: inset 0 0 0 1px #2a3a47; }
.city-dot { width: 7px; height: 7px; border-radius: 50%; background: #3d4956; }
.city-dot.good { background: var(--green); box-shadow: 0 0 12px #4ee59b88; }
.city-dot.warn { background: var(--amber); }
.city-dot.bad { background: var(--red); }
.city-name { display: block; font-size: 12px; font-weight: 700; }
.city-source { display: block; color: var(--muted); font-size: 9px; margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 150px; }
.city-temp { color: var(--soft); font-size: 11px; font-variant-numeric: tabular-nums; }
.sidebar-footer { margin-top: 12px; padding: 14px 10px 4px; border-top: 1px solid var(--line); display: flex; gap: 10px; align-items: center; }
.pulse-dot { width: 8px; height: 8px; background: var(--mint); border-radius: 50%; box-shadow: 0 0 0 5px #69f0d014; }
.sidebar-footer strong, .sidebar-footer small { display: block; }
.sidebar-footer strong { font-size: 11px; }
.sidebar-footer small { color: var(--muted); margin-top: 2px; font-size: 9px; }

.main { min-width: 0; padding: 30px clamp(22px, 3.5vw, 54px) 60px; }
.topbar { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; margin-bottom: 24px; }
.eyebrow { color: var(--mint); letter-spacing: .16em; font-size: 10px; font-weight: 800; }
h1 { margin: 8px 0 4px; font-size: clamp(34px, 4vw, 58px); line-height: .98; letter-spacing: -.045em; }
.topbar p { margin: 10px 0 0; color: var(--muted); max-width: 760px; font-size: 13px; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.range-control { display: flex; border: 1px solid var(--line); padding: 3px; border-radius: 12px; background: var(--panel); }
.range-control button { border: 0; background: transparent; color: var(--muted); border-radius: 8px; padding: 8px 10px; cursor: pointer; font-size: 10px; font-weight: 800; }
.range-control button.active { color: var(--text); background: #26313e; }
.export-link { color: var(--mint); text-decoration: none; border: 1px solid #2d4e48; border-radius: 12px; padding: 10px 12px; font-size: 10px; font-weight: 900; }
.account-button { display: flex; align-items: center; gap: 7px; padding: 5px 9px 5px 5px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); cursor: pointer; }
.account-button span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 9px; background: #18342f; color: var(--mint); font-size: 11px; font-weight: 900; }
.account-button small { max-width: 92px; overflow: hidden; color: var(--soft); font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.data-notice { margin: -8px 0 18px; padding: 11px 14px; border: 1px solid #5a4927; border-radius: 12px; background: #2d2617; color: var(--amber); font-size: 11px; line-height: 1.5; }

.hero-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(250px, 1fr) minmax(220px, .8fr); gap: 14px; }
.hero-card, .panel, .source-step { background: linear-gradient(145deg, #121821, #0e131a); border: 1px solid var(--line); border-radius: var(--radius); }
.hero-card { min-height: 225px; padding: 22px; position: relative; overflow: hidden; }
.hero-card.primary:after { content: ""; position: absolute; width: 220px; height: 220px; right: -80px; top: -100px; border-radius: 50%; background: #69f0d00d; box-shadow: 0 0 80px #69f0d020; }
.card-label { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 11px; font-weight: 700; }
.status-chip { display: inline-flex; align-items: center; border: 1px solid #2d5048; background: #17342e; color: var(--mint); border-radius: 99px; padding: 5px 8px; font-size: 9px; font-weight: 900; }
.status-chip.bad { border-color: #5c2d37; background: #301820; color: #ff9baa; }
.status-chip.warn { border-color: #5a4927; background: #2d2617; color: var(--amber); }
.status-chip.neutral { border-color: #314151; background: #17202a; color: var(--cyan); }
.hero-value { margin-top: 18px; font-size: clamp(54px, 6vw, 82px); font-weight: 820; letter-spacing: -.07em; line-height: .95; }
.hero-caption { color: var(--muted); font-size: 11px; margin-top: 8px; }
.mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 21px; }
.mini-grid div { padding-top: 12px; border-top: 1px solid var(--line); }
.mini-grid span, .mini-grid strong { display: block; }
.mini-grid span { color: var(--muted); font-size: 9px; }
.mini-grid strong { font-size: 17px; margin-top: 5px; }
.rule-score { display: flex; align-items: baseline; margin: 22px 0 6px; }
.rule-score strong { font-size: 48px; letter-spacing: -.05em; }
.rule-score span { color: var(--muted); }
.rule-card p, .market-card p { color: var(--muted); font-size: 11px; line-height: 1.5; }
.rule-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 13px; }
.rule-tags span { padding: 5px 7px; border: 1px solid #263443; border-radius: 7px; color: var(--soft); font-size: 9px; }
.market-kpi { display: flex; align-items: baseline; gap: 8px; margin-top: 23px; }
.market-kpi.secondary { margin-top: 4px; }
.market-kpi strong { font-size: 38px; letter-spacing: -.05em; }
.market-kpi span { color: var(--muted); font-size: 11px; }

.source-ladder { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }
.source-step { padding: 17px 18px; display: grid; grid-template-columns: 28px 1fr; gap: 12px; }
.step-index { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 9px; background: #1b2731; color: var(--mint); font-size: 10px; font-weight: 900; }
.source-step strong, .source-step small { display: block; }
.source-step strong { font-size: 12px; }
.source-step small { margin-top: 5px; color: var(--muted); font-size: 10px; line-height: 1.4; }

.monitor-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: 14px; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--line); }
.monitor-strip article { min-width: 0; padding: 14px 16px; background: #0f151d; }
.monitor-strip span, .monitor-strip strong, .monitor-strip small { display: block; }
.monitor-strip span { color: var(--muted); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.monitor-strip strong { margin-top: 6px; overflow: hidden; color: var(--soft); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; font-variant-numeric: tabular-nums; }
.monitor-strip small { margin-top: 4px; overflow: hidden; color: var(--muted); font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.monitor-strip .quality-good { color: var(--green); }
.monitor-strip .quality-warn { color: var(--amber); }
.monitor-strip .quality-bad { color: var(--red); }

.content-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(300px, .8fr); gap: 14px; margin-top: 14px; }
.panel { padding: 22px; }
.panel-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 18px; }
.panel-heading h2 { margin: 5px 0 0; font-size: 17px; }
.legend { display: flex; gap: 8px; color: var(--muted); font-size: 9px; flex-wrap: wrap; justify-content: flex-end; }
.legend button { position: relative; border: 0; padding: 2px 0; background: transparent; color: var(--muted); font: inherit; cursor: pointer; }
.legend button[data-tooltip]::after { content: attr(data-tooltip); position: absolute; right: 0; bottom: calc(100% + 8px); z-index: 10; width: 250px; padding: 8px 10px; border: 1px solid rgba(255,255,255,.14); border-radius: 8px; background: #111827; color: #dbeafe; font-size: 11px; line-height: 1.45; text-align: left; opacity: 0; pointer-events: none; transform: translateY(3px); transition: opacity .15s ease, transform .15s ease; }
.legend button[data-tooltip]:hover::after, .legend button[data-tooltip]:focus-visible::after { opacity: 1; transform: translateY(0); }
.legend button.is-muted { opacity: .35; text-decoration: line-through; }
.chart-meta { display: grid; justify-items: end; gap: 7px; }
.chart-meta small { color: var(--muted); font-size: 9px; font-variant-numeric: tabular-nums; }
.legend button:before { content: ""; display: inline-block; width: 20px; height: 6px; margin-right: 6px; vertical-align: middle; background: linear-gradient(var(--mint), var(--mint)) center / 100% 2px no-repeat; }
.legend .signal-line:before { background: repeating-linear-gradient(90deg, var(--amber) 0 6px, transparent 6px 10px) center / 100% 2px no-repeat; }
.legend .range-line:before {
  background:
    repeating-linear-gradient(90deg, #ff7185 0 9px, transparent 9px 13px) top / 100% 2px no-repeat,
    repeating-linear-gradient(90deg, #55c9ff 0 6px, transparent 6px 9px, #55c9ff 9px 11px, transparent 11px 15px) bottom / 100% 2px no-repeat;
}
.legend .legacy-line:before { background: radial-gradient(circle, #7b8493 0 1px, transparent 1.3px) center / 6px 3px repeat-x; }
.chart-stage { position: relative; min-width: 0; }
#chart { width: 100%; height: 330px; display: block; cursor: crosshair; touch-action: pan-y; }
.chart-crosshair { position: absolute; z-index: 6; width: 0; border-left: 1px dashed rgba(196,210,226,.55); pointer-events: none; }
.chart-crosshair span { position: absolute; left: -5px; width: 9px; height: 9px; border: 2px solid var(--mint); border-radius: 50%; background: #0b1118; transform: translateY(-50%); }
.chart-tooltip { position: absolute; z-index: 8; min-width: 180px; max-width: 260px; padding: 9px 11px; border: 1px solid rgba(105,240,208,.24); border-radius: 9px; background: rgba(8,13,19,.96); box-shadow: 0 12px 28px rgba(0,0,0,.32); color: var(--text); font-size: 10px; line-height: 1.45; pointer-events: none; }
.chart-tooltip strong, .chart-tooltip span { display: block; }
.chart-tooltip strong { color: #f0f7ff; font-size: 11px; font-variant-numeric: tabular-nums; }
.chart-tooltip span { margin-top: 2px; color: var(--muted); }
.chart-tooltip .chart-tooltip-delta { color: var(--soft); }
.source-details { display: grid; grid-template-columns: 95px 1fr; gap: 12px 10px; margin: 0; font-size: 11px; }
.source-details dt { color: var(--muted); }
.source-details dd { margin: 0; line-height: 1.5; overflow-wrap: anywhere; }
.source-details a { color: var(--mint); }

.bucket-panel { margin-top: 14px; }
#market-date { width: auto; min-width: 130px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; background: #151c25; }
.bucket-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.bucket-columns h3 { color: var(--soft); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.bucket-list { display: grid; gap: 7px; }
.bucket { display: grid; grid-template-columns: minmax(130px, 1fr) 1fr 112px; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid #1d2834; border-radius: 10px; background: #0d1218; }
.bucket.current { border-color: #3f7568; background: #10241f; }
.bucket.eliminated { opacity: .38; }
.bucket-label { font-size: 11px; font-weight: 750; }
.probability { width: 100%; height: 5px; border: 0; border-radius: 9px; background: #202a35; overflow: hidden; appearance: none; }
.probability::-webkit-progress-bar { background: #202a35; border-radius: 9px; }
.probability::-webkit-progress-value { background: linear-gradient(90deg, var(--mint), var(--cyan)); border-radius: 9px; }
.probability::-moz-progress-bar { background: linear-gradient(90deg, var(--mint), var(--cyan)); border-radius: 9px; }
.probability.is-missing { display: block; background: repeating-linear-gradient(90deg, #202a35 0 5px, #151c24 5px 10px); }
.bucket-price { text-align: right; color: var(--soft); font-size: 10px; font-variant-numeric: tabular-nums; }
.bucket-price strong, .bucket-price small { display: block; }
.bucket-price small { color: var(--muted); margin-top: 2px; font-size: 8px; }
.empty { padding: 24px; color: var(--muted); text-align: center; border: 1px dashed #26313c; border-radius: 12px; font-size: 11px; }

@media (max-width: 1100px) {
  .shell { grid-template-columns: 245px minmax(0, 1fr); }
  .hero-grid { grid-template-columns: 1.2fr 1fr; }
  .market-card { grid-column: 1 / -1; min-height: auto; }
  .content-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .shell { display: block; }
  .sidebar { position: relative; width: 100%; height: auto; padding: 16px; border-right: 0; border-bottom: 1px solid var(--line); }
  .brand { padding-bottom: 14px; }
  .sidebar-meta, .city-list { display: none; }
  .sidebar-footer { position: absolute; right: 14px; bottom: 16px; border: 0; }
  .sidebar-footer div { display: none; }
  .main { padding: 22px 14px 44px; }
  .topbar { display: block; }
  .top-actions { margin-top: 18px; justify-content: space-between; }
  .hero-grid, .source-ladder, .bucket-columns { grid-template-columns: 1fr; }
  .monitor-strip { grid-template-columns: 1fr 1fr; }
  .market-card { grid-column: auto; }
  .source-details { grid-template-columns: 82px 1fr; }
  .bucket { grid-template-columns: 100px 1fr 94px; }
}

@media (max-width: 440px) {
  .monitor-strip { grid-template-columns: 1fr; }
  .range-control { max-width: calc(100vw - 84px); overflow-x: auto; }
}
/* Authentication and account management. The API remains unreadable without
   its HttpOnly session cookie; these controls never receive a database key. */
.login-gate { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; background: radial-gradient(circle at 50% 20%, rgba(105,240,208,.1), transparent 36%), rgba(7, 12, 24, .96); backdrop-filter: blur(14px); }
.login-gate[hidden] { display: none; }
.login-card { width: min(410px, calc(100vw - 40px)); padding: 32px; border: 1px solid rgba(255,255,255,.12); border-radius: 22px; background: linear-gradient(145deg, #131c27, #0d131c); box-shadow: 0 24px 80px rgba(0,0,0,.5); color: #f8fafc; }
.login-card h1 { margin: 14px 0 4px; font-size: 26px; }
.login-card p { margin: 0 0 18px; color: #94a3b8; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; border: 1px solid #293747; border-radius: 11px; background: #0a1018; }
.auth-tabs button { margin: 0; padding: 9px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); cursor: pointer; font-size: 12px; font-weight: 750; }
.auth-tabs button.active { background: #1b2a35; color: var(--text); }
.login-card label { display: grid; gap: 7px; margin-top: 14px; color: #cbd5e1; font-size: 13px; }
.login-card input { box-sizing: border-box; width: 100%; padding: 11px 12px; border: 1px solid #334155; border-radius: 9px; background: #0f172a; color: #f8fafc; }
.login-card form > small { display: block; margin-top: 8px; color: var(--muted); font-size: 10px; line-height: 1.5; }
.primary-button, .secondary-button { padding: 10px 13px; border-radius: 9px; cursor: pointer; font-weight: 800; }
.primary-button { border: 0; background: linear-gradient(135deg, var(--mint), var(--cyan)); color: #082f32; }
.secondary-button { border: 1px solid #334155; background: #111a24; color: var(--soft); }
.login-card form > .primary-button { width: 100%; margin-top: 22px; }
.login-error { min-height: 20px; margin-top: 12px; color: #fda4af; font-size: 13px; }

.account-overlay { position: fixed; inset: 0; z-index: 90; display: grid; justify-items: end; }
.account-backdrop { position: absolute; inset: 0; width: 100%; border: 0; background: rgba(2,6,12,.72); backdrop-filter: blur(8px); cursor: default; }
.account-card { position: relative; width: min(620px, 100vw); height: 100%; overflow-y: auto; padding: 28px; border-left: 1px solid var(--line); background: linear-gradient(160deg, #121923, #090d13 70%); box-shadow: -20px 0 70px rgba(0,0,0,.45); }
.account-card > header, .section-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.account-card h2, .account-card h3 { margin: 5px 0 0; }
.icon-button { width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 10px; background: #111a24; color: var(--soft); cursor: pointer; font-size: 22px; }
.account-summary { display: grid; grid-template-columns: 1.5fr .7fr .8fr; gap: 10px; margin-top: 24px; }
.account-summary div { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: 13px; background: #0d131b; }
.account-summary span, .account-summary strong { display: block; }
.account-summary span { color: var(--muted); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.account-summary strong { margin-top: 7px; overflow: hidden; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.account-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.account-message { min-height: 22px; margin-top: 12px; color: var(--amber); font-size: 11px; }
.admin-section { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.admin-create-user { display: grid; grid-template-columns: 1.2fr 1fr 100px auto; gap: 8px; margin-top: 16px; }
.admin-create-user input, .admin-create-user select { min-width: 0; padding: 10px; border: 1px solid #2b3948; border-radius: 9px; background: #0c121a; color: var(--text); }
.admin-users { display: grid; gap: 8px; margin-top: 14px; }
.admin-user { display: grid; grid-template-columns: minmax(0,1fr) 70px 78px auto; gap: 8px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: 11px; background: #0d131b; }
.admin-user strong, .admin-user small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-user strong { font-size: 11px; }
.admin-user small { margin-top: 3px; color: var(--muted); font-size: 9px; }
.admin-user .status-chip { justify-self: start; }
.admin-user-actions { display: flex; gap: 5px; }
.admin-user-actions button { padding: 6px 8px; border: 1px solid #334155; border-radius: 7px; background: #121b25; color: var(--soft); cursor: pointer; font-size: 9px; }

@media (max-width: 720px) {
  .account-card { padding: 20px 15px; }
  .account-summary { grid-template-columns: 1fr; }
  .admin-create-user { grid-template-columns: 1fr; }
  .admin-user { grid-template-columns: minmax(0,1fr) auto; }
  .admin-user > :nth-child(3) { display: none; }
  .top-actions { flex-wrap: wrap; }
}