:root {
  color-scheme: light;
  --bg: #f4f5f8;
  --surface: #ffffff;
  --surface-2: #f8f9fb;
  --border: #e2e5ec;
  --ink: #0b1430;
  --ink-2: #4d5570;
  --ink-3: #7a8197;
  --brand: #05164d;
  --accent: #f9b000;
  --primary: #1b3a8c;
  --danger: #c0392b;
  --grid: #e8eaf0;
  --s-p: #2a78d6;      /* Points */
  --s-qp: #eb6834;     /* Qualifying Points */
  --s-hon: #1baf7a;    /* HON Circle Points */
  --c-flight: #2a78d6;
  --c-upgrade: #6250d6;
  --c-co2: #1baf7a;
  --st-FTL: #8a93a6;
  --st-SEN: #c99a00;
  --st-HON: #111827;
  --planned-bg: #fff8e6;
  --on-primary: #ffffff;
  --logo-bg: #05164d;
  --logo-ring: transparent;
  --logo-fg: #f9b000;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(10, 20, 50, .06), 0 4px 16px rgba(10, 20, 50, .05);
}
/* Dark palette. data-theme is always resolved to "light" or "dark" by the inline script in index.html (System follows the OS). */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e1220;
  --surface: #161b2c;
  --surface-2: #1c2236;
  --border: #2a3149;
  --ink: #eef0f6;
  --ink-2: #b8bdcf;
  --ink-3: #8a90a6;
  --brand: #eef0f6;
  --primary: #7aa2ff;
  --danger: #ff7b6b;
  --grid: #252c42;
  --s-p: #3987e5;
  --s-qp: #d95926;
  --s-hon: #199e70;
  --c-flight: #3987e5;
  --c-upgrade: #9085e9;
  --c-co2: #199e70;
  --st-FTL: #a7afc2;
  --st-SEN: #e0b52a;
  --st-HON: #f4f4f4;
  --planned-bg: #2a2614;
  --on-primary: #0e1220;
  --logo-bg: #1b3a8c;
  --logo-ring: rgba(255, 255, 255, .18);
  --logo-fg: #f9b000;
  --shadow: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  padding: env(safe-area-inset-top, 0) 0 env(safe-area-inset-bottom, 0);
}
[hidden] { display: none !important; }
h1, h2, h3 { margin: 0; line-height: 1.2; }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px;
  padding: 12px max(16px, 3vw);
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--brand); }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand .logo-tile { fill: var(--logo-bg); stroke: var(--logo-ring); stroke-width: 1; }
.brand .logo-mark { fill: var(--logo-fg); }
.brand h1 { font-size: 17px; }
.brand p { margin: 0; font-size: 12px; color: var(--ink-3); }
.tabs { display: flex; gap: 4px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 3px; }
.tabs button {
  border: 0; background: none; color: var(--ink-2); font: inherit; font-weight: 600;
  padding: 6px 14px; border-radius: 7px; cursor: pointer;
}
.tabs button[aria-selected="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
.toolbar { margin-left: auto; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.year-pick { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--ink-2); }

/* ---------- controls ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  font: inherit; font-weight: 600; color: var(--ink);
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 12px; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--ink-3); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 4px 9px; font-size: 13px; }
.icon-btn { border: 0; background: none; color: var(--ink-3); font-size: 18px; cursor: pointer; padding: 4px 8px; border-radius: 6px; }
.icon-btn:hover { background: var(--surface-2); color: var(--ink); }
input, select {
  font: inherit; color: var(--ink); background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 9px; min-width: 0;
}
input:focus, select:focus, .btn:focus-visible, .tabs button:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }
input[readonly] { background: var(--surface-2); color: var(--ink-2); }
label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; font-weight: 600; color: var(--ink-2); }
label.check { flex-direction: row; align-items: center; gap: 8px; font-size: 13px; color: var(--ink); align-self: end; padding-bottom: 8px; }
label.check small { color: var(--ink-3); font-weight: 400; }
.hint { font-size: 12px; color: var(--ink-3); margin: 6px 0 0; }

/* ---------- layout ---------- */
main { padding: 20px max(16px, 3vw) 32px; max-width: 1500px; margin: 0 auto; }
.view > * + * { margin-top: 18px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px; }
.card h2 { font-size: 15px; }
.card-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin-bottom: 10px; }
.card-head .sub { color: var(--ink-3); font-size: 12px; }
.card-head .right { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.cols { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.cols-3 { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.empty { text-align: center; padding: 40px 16px; color: var(--ink-2); }
.empty h2 { font-size: 18px; color: var(--ink); margin-bottom: 6px; }
.empty .btns { display: flex; gap: 8px; justify-content: center; margin-top: 14px; flex-wrap: wrap; }

/* ---------- KPI tiles ---------- */
.kpis { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.kpi { padding: 14px 16px; }
.kpi .label { font-size: 12px; font-weight: 600; color: var(--ink-3); text-transform: uppercase; letter-spacing: .04em; }
.kpi .value { font-size: 26px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi .meta { font-size: 12px; color: var(--ink-2); margin-top: 2px; }

.badge { white-space: nowrap;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; padding: 2px 9px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--ink);
}
.badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--dot, var(--ink-3)); }
.badge.FTL { --dot: var(--st-FTL); }
.badge.SEN { --dot: var(--st-SEN); }
.badge.HON { --dot: var(--st-HON); }
.badge.NONE { --dot: transparent; }
.badge.NONE::before { border: 1px solid var(--ink-3); }
.pill { font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); color: var(--ink-2); white-space: nowrap; }
.pill.planned { background: var(--planned-bg); border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); color: var(--ink); }
.pill.warn { color: var(--danger); }

/* ---------- status progress ---------- */
.progress-list { display: grid; gap: 16px; }
.prog-row { display: grid; gap: 6px; }
.prog-top { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; }
.prog-top .name { font-weight: 700; }
.prog-top .vals { color: var(--ink-2); font-size: 12px; margin-left: auto; font-variant-numeric: tabular-nums; }
.bar { position: relative; height: 12px; background: var(--grid); border-radius: 6px; overflow: hidden; }
.bar .fc, .bar .ac { position: absolute; inset: 0 auto 0 0; border-radius: 6px; }
.bar .fc { background: repeating-linear-gradient(135deg, var(--c) 0 4px, transparent 4px 8px); opacity: .55; }
.bar .ac { background: var(--c); }
.prog-sub { font-size: 12px; color: var(--ink-3); }

/* ---------- charts ---------- */
.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text { font: 11px system-ui, sans-serif; fill: var(--ink-3); }
.chart .lbl { fill: var(--ink-2); font-weight: 600; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .axis { stroke: var(--border); }
.chart .thr { stroke: var(--ink-3); stroke-dasharray: 4 4; stroke-width: 1; }
.chart .today { stroke: var(--accent); stroke-width: 1.5; }
.chart .cross { stroke: var(--ink-3); stroke-width: 1; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 12px; color: var(--ink-2); margin-top: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 14px; height: 3px; border-radius: 2px; background: var(--c); display: inline-block; }
.legend i.sq { width: 10px; height: 10px; border-radius: 3px; }
.legend i.dash { background: repeating-linear-gradient(90deg, var(--c) 0 4px, transparent 4px 7px); }
.tooltip {
  position: fixed; z-index: 50; pointer-events: none;
  background: var(--surface); color: var(--ink); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 6px 24px rgba(0,0,0,.15); padding: 8px 10px; font-size: 12px; max-width: 280px;
}
.tooltip b { display: block; margin-bottom: 4px; }
.tooltip .row { display: flex; gap: 12px; justify-content: space-between; }
.tooltip .row i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; background: var(--c); margin-right: 6px; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; margin: 0 -18px; padding: 0 18px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { white-space: nowrap; padding: 8px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); font-weight: 700; white-space: nowrap; position: sticky; top: 0; background: var(--surface); }
tbody tr:hover { background: var(--surface-2); }
tbody tr.planned { background: var(--planned-bg); }
tbody tr.excluded { opacity: .5; }
tbody tr { cursor: pointer; }
tfoot td { font-weight: 700; border-bottom: 0; border-top: 2px solid var(--border); }
td .route { font-weight: 700; letter-spacing: .02em; white-space: nowrap; }
td .muted, .muted { color: var(--ink-3); font-size: 12px; }
td .cls { white-space: nowrap; }
td .up { color: var(--primary); font-weight: 600; }
.sep-row td { background: var(--surface-2); font-size: 11px; font-weight: 700; color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; padding: 6px 8px; cursor: default; }

/* ---------- dialog ---------- */
dialog {
  width: min(760px, calc(100vw - 24px)); max-height: calc(100vh - 24px);
  padding: 0; border: 1px solid var(--border); border-radius: 14px;
  background: var(--surface); color: var(--ink); box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
dialog::backdrop { background: rgba(5, 12, 35, .45); }
dialog form { display: flex; flex-direction: column; max-height: calc(100vh - 26px); }
.dlg-head, .dlg-foot { display: flex; align-items: center; gap: 8px; padding: 14px 18px; }
.dlg-head { border-bottom: 1px solid var(--border); }
.dlg-head h2 { font-size: 16px; flex: 1; }
.dlg-foot { border-top: 1px solid var(--border); }
.dlg-foot .spacer { flex: 1; }
.dlg-body { padding: 16px 18px; overflow-y: auto; display: grid; gap: 14px; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr)); }
fieldset { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px 12px; margin: 0; display: grid; gap: 10px; }
legend { font-size: 12px; font-weight: 700; color: var(--ink-2); padding: 0 4px; }
.route-line { display: flex; flex-wrap: wrap; align-items: end; gap: 10px; }
.route-line label { width: 90px; }
.route-line input { text-transform: uppercase; font-weight: 700; letter-spacing: .05em; }
.route-line .arrow { padding-bottom: 8px; color: var(--ink-3); }
.earn-preview { display: flex; flex-wrap: wrap; gap: 8px 18px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; font-size: 13px; }
.earn-preview b { font-variant-numeric: tabular-nums; }
.earn-preview .k { color: var(--ink-3); font-size: 12px; }

/* ---------- settings ---------- */
.settings-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); }
.settings-grid table input { width: 90px; text-align: right; }

.toast {
  position: fixed; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); left: 50%; transform: translateX(-50%); z-index: 60;
  background: var(--ink); color: var(--surface); padding: 10px 16px; border-radius: 10px; font-weight: 600; box-shadow: 0 8px 30px rgba(0,0,0,.25);
}

@media (max-width: 720px) {
  .toolbar { margin-left: 0; width: 100%; }
  .kpi .value { font-size: 22px; }
}
.year-pick, label.btn { flex-direction: row; }
label.btn { font-size: 14px; color: var(--ink); }

/* ---------- theme switch ---------- */
.theme-switch { display: inline-flex; gap: 2px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 2px; }
.theme-switch button {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 30px; border: 0; border-radius: 6px; background: none; color: var(--ink-3); cursor: pointer;
}
.theme-switch button svg { width: 16px; height: 16px; }
.theme-switch button:hover { color: var(--ink); }
.theme-switch button[aria-pressed="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
.theme-switch button:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }

/* ---------- footer ---------- */
.site-foot { max-width: 1500px; margin: 0 auto; padding: 0 max(16px, 3vw) 32px; }
.site-foot p { margin: 0; padding-top: 16px; border-top: 1px solid var(--border); font-size: 12px; color: var(--ink-3); }
.site-foot a { color: var(--ink-2); }

/* ---------- date field (YYYY/MM/DD text + native calendar) ---------- */
.label-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.date-field { position: relative; display: flex; }
.date-field input[name="date"] { flex: 1; padding-right: 40px; font-variant-numeric: tabular-nums; }
.date-btn {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 28px; border: 0; border-radius: 6px; background: none; color: var(--ink-3); cursor: pointer;
}
.date-btn:hover { color: var(--ink); background: var(--surface-2); }
.date-btn:focus-visible { outline: 2px solid var(--primary); }
.date-btn svg { width: 16px; height: 16px; }
.date-native { position: absolute; right: 0; bottom: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; border: 0; padding: 0; }