/* ============================================================
   FII Scanner — refined dark utility
   ============================================================ */

:root {
  --bg:           #0d0f12;
  --bg-elev:      #15181d;
  --bg-elev-2:    #1c2026;
  --border:       #262a31;
  --border-strong:#363b44;

  --text:         #e8e9ea;
  --text-muted:   #9ca1a8;
  --text-dim:     #6b7079;

  --accent:       #d4a14a;
  --accent-soft:  rgba(212, 161, 74, 0.12);
  --accent-line:  rgba(212, 161, 74, 0.32);

  --good:         #4ade80;
  --bad:          #ef4444;
  --info:         #7aa2f7;

  --serif:        "Instrument Serif", Georgia, "Times New Roman", serif;
  --sans:         "Geist", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --mono:         "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
}

/* ============================================================
   Reset & base
   ============================================================ */

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.005em;
}

body {
  /* very subtle noise + tight vignette */
  background-image:
    radial-gradient(1100px 600px at 80% -10%, rgba(212, 161, 74, 0.05), transparent 60%),
    radial-gradient(800px 600px at -10% 120%, rgba(122, 162, 247, 0.04), transparent 60%);
  min-height: 100vh;
}

a {
  color: var(--text);
  text-decoration: none;
  transition: color 120ms ease;
}
a:hover { color: var(--accent); }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0;
}

h1 { font-size: 38px; line-height: 1.1; }
h1 em { font-style: italic; color: var(--accent); }

h2 { font-size: 22px; }
h3 { font-size: 16px; font-family: var(--sans); font-weight: 500; letter-spacing: 0; color: var(--text-muted); text-transform: uppercase; font-size: 11px; letter-spacing: 0.12em; }

p { margin: 0 0 1em; }

button {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

input, button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ============================================================
   Shell
   ============================================================ */

.shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 28px 32px 80px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.brand-mark {
  font-family: var(--serif);
  font-style: italic;
  font-size: 26px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.brand-mark em {
  color: var(--accent);
  font-style: italic;
}
.brand-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav a {
  color: var(--text-muted);
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 120ms ease, border-color 120ms ease;
}
.nav a.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}
.nav a:hover { color: var(--text); }

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  cursor: pointer;
  transition: all 120ms ease;
  text-decoration: none;
}
.btn:hover {
  background: var(--bg-elev-2);
  border-color: var(--text-dim);
  color: var(--text);
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent);
  color: #1a1410;
  border-color: var(--accent);
  font-weight: 600;
}
.btn-primary:hover {
  background: #e0b15a;
  border-color: #e0b15a;
  color: #1a1410;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 5px 11px;
  font-size: 12px;
}
.btn-ghost:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

.btn-icon-pre::before {
  content: "→";
  font-family: var(--serif);
  font-style: italic;
  margin-right: 2px;
}

/* ============================================================
   Stat strip
   ============================================================ */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 36px;
}
.stat {
  background: var(--bg-elev);
  padding: 22px 24px;
}
.stat-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 10px;
}
.stat-value {
  font-family: var(--serif);
  font-size: 34px;
  line-height: 1;
  color: var(--text);
  letter-spacing: -0.015em;
}
.stat-value.accent { color: var(--accent); }
.stat-sub {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

/* ============================================================
   Section heading
   ============================================================ */

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 0 0 16px;
}
.section-head h2 {
  font-family: var(--serif);
  font-style: italic;
  font-size: 24px;
  color: var(--text);
}
.section-head h2 em {
  font-style: normal;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-left: 12px;
}

/* ============================================================
   Tables
   ============================================================ */

.table-wrap {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

thead th {
  text-align: left;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  position: sticky;
  top: 0;
}
thead th.right { text-align: right; }

tbody td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
  white-space: nowrap;
}
tbody td.right { text-align: right; }
tbody td.num { font-family: var(--mono); font-size: 13px; }
tbody td.muted { color: var(--text-muted); }
tbody td.dim { color: var(--text-dim); }

tbody tr {
  transition: background 100ms ease;
}
tbody tr:hover { background: var(--bg-elev-2); }
tbody tr.opp { background: var(--accent-soft); }
tbody tr.opp:hover { background: rgba(212, 161, 74, 0.18); }
tbody tr.inactive td { color: var(--text-dim); }

tbody tr:last-child td { border-bottom: none; }

.ticker-cell {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.04em;
}
.ticker-cell a {
  color: var(--text);
  border-bottom: 1px solid transparent;
}
.ticker-cell a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent-line);
}

/* ============================================================
   Score chip
   ============================================================ */

.score {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 22px;
  padding: 0 7px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid var(--border-strong);
  border-radius: 1px;
  color: var(--text-muted);
  background: var(--bg);
}
.score.s-1 { color: var(--info); border-color: rgba(122, 162, 247, 0.35); }
.score.s-2, .score.s-3, .score.s-4 {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* status pills */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  background: currentColor;
}
.pill-alert  { color: var(--accent); }
.pill-active { color: var(--good); }
.pill-inactive {
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.signal-tag {
  display: inline-block;
  padding: 2px 7px;
  margin-right: 4px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 1px;
}

/* ============================================================
   Forms
   ============================================================ */

.add-form {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
.add-form input[type="text"],
.add-form input:not([type]) {
  flex: 0 0 200px;
  padding: 8px 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 2px;
  outline: none;
  transition: border-color 120ms ease;
}
.add-form input:focus {
  border-color: var(--accent);
}
.add-form input::placeholder {
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.inline-form { display: inline; }

/* ============================================================
   Notice / banner
   ============================================================ */

.notice {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  margin-bottom: 24px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-left: 3px solid var(--accent);
  font-size: 13px;
  color: var(--text);
}
.notice .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.alert-bad {
  background: rgba(239, 68, 68, 0.1);
  border-left: 3px solid var(--bad);
  border-color: rgba(239, 68, 68, 0.3);
}
.alert-bad .label { color: var(--bad); }

/* ============================================================
   Empty state
   ============================================================ */

.empty {
  padding: 80px 40px;
  text-align: center;
  background: var(--bg-elev);
  border: 1px solid var(--border);
}
.empty-mark {
  font-family: var(--serif);
  font-style: italic;
  font-size: 32px;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.empty-text {
  color: var(--text-muted);
  font-size: 14px;
}
.empty-text strong { color: var(--text); font-weight: 500; }

/* ============================================================
   Ticker detail header
   ============================================================ */

.detail-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 20px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.detail-head .crumb a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.detail-head .crumb a:hover { color: var(--text); }
.detail-head .ticker-name {
  font-family: var(--serif);
  font-size: 64px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 6px 0 0;
}
.detail-head .meta {
  text-align: right;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  line-height: 1.7;
}
.detail-head .meta strong {
  font-weight: 500;
  color: var(--text);
}

/* ============================================================
   Chart
   ============================================================ */

.chart-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 22px 26px 26px;
  margin-bottom: 32px;
}
.chart-card .section-head { margin-bottom: 18px; }

.chart-svg {
  display: block;
  width: 100%;
  height: auto;
}
.chart-svg .grid { stroke: var(--border); stroke-width: 1; }
.chart-svg .axis-label {
  fill: var(--text-dim);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
}
.chart-svg .price-line {
  fill: none;
  stroke: #d4a14a;
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.chart-svg .price-area {
  fill: url(#chart-fill);
  opacity: 0.45;
}
.chart-svg .last-dot {
  fill: var(--accent);
}
.chart-svg .last-label {
  fill: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
}
.chart-svg .div-tick {
  stroke: var(--info);
  stroke-width: 1;
  stroke-dasharray: 2 2;
  opacity: 0.5;
}

.chart-empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* range toggle */
.range-tabs {
  display: inline-flex;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  overflow: hidden;
  background: var(--bg);
}
.range-tab {
  padding: 6px 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-right: 1px solid var(--border-strong);
  text-decoration: none;
  transition: background 100ms ease, color 100ms ease;
}
.range-tab:last-child { border-right: none; }
.range-tab:hover { color: var(--text); background: var(--bg-elev-2); }
.range-tab.active {
  background: var(--accent);
  color: #1a1410;
  font-weight: 600;
}
.range-tab.active:hover {
  background: var(--accent);
  color: #1a1410;
}

.div-summary {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}
.div-summary .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.div-summary .val {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--info);
}

/* ============================================================
   Fund description card (on /history/<ticker>)
   ============================================================ */

.fund-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 26px 28px;
  margin-bottom: 32px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 36px;
  align-items: start;
}
.fund-card .meta-col dt {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.fund-card .meta-col dd {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text);
  margin: 0 0 16px 0;
  line-height: 1.45;
}
.fund-card .meta-col dd:last-child { margin-bottom: 0; }
.fund-card .meta-col dd .kind-tag {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border-strong);
  color: var(--accent);
  border-color: var(--accent-line);
  background: var(--accent-soft);
  border-radius: 1px;
}

.fund-card .desc-col h2 {
  font-family: var(--serif);
  font-size: 28px;
  font-style: italic;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.fund-card .desc-col p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  max-width: 65ch;
}
.fund-card .desc-col .nodesc {
  color: var(--text-dim);
  font-style: italic;
  font-family: var(--serif);
  font-size: 18px;
}

@media (max-width: 800px) {
  .fund-card { grid-template-columns: 1fr; gap: 20px; }
  .fund-card .desc-col h2 { font-size: 22px; }
}

/* ============================================================
   About page
   ============================================================ */

.about-lead {
  max-width: 70ch;
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 16px 0 40px;
}
.about-lead strong { color: var(--text); font-weight: 500; }

.signal-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 36px;
}
.signal-card {
  background: var(--bg-elev);
  padding: 24px 26px 26px;
  display: flex;
  flex-direction: column;
}
.signal-card .num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 36px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 10px;
}
.signal-card h3 {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text);
  text-transform: none;
  margin-bottom: 8px;
}
.signal-card .formula {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  padding: 6px 10px;
  margin-bottom: 12px;
  display: inline-block;
  border-radius: 1px;
  align-self: flex-start;
}
.signal-card p {
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.65;
  margin: 0;
}
.signal-card .source {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.about-block {
  margin-bottom: 44px;
}
.about-block h2 {
  font-family: var(--serif);
  font-style: italic;
  font-size: 26px;
  color: var(--text);
  margin-bottom: 14px;
}
.about-block p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  max-width: 70ch;
}

.kv-table {
  width: 100%;
  margin-top: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
}
.kv-table tr td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.kv-table tr:last-child td { border-bottom: none; }
.kv-table tr td:first-child {
  width: 40%;
  color: var(--text-muted);
}
.kv-table tr td:nth-child(2) {
  font-family: var(--mono);
  color: var(--text);
}

@media (max-width: 800px) {
  .signal-list { grid-template-columns: 1fr; }
}

/* ============================================================
   Footer
   ============================================================ */

.foot {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 800px) {
  .shell { padding: 20px 18px 60px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat-value { font-size: 26px; }
  .topbar { flex-direction: column; align-items: flex-start; gap: 16px; }
  .nav { gap: 18px; }
  .detail-head { flex-direction: column; align-items: flex-start; }
  .detail-head .meta { text-align: left; }
  .detail-head .ticker-name { font-size: 48px; }
  table { font-size: 12px; }
  thead th, tbody td { padding: 10px 12px; }
}