/* Plein Sud — l'interface prend la couleur du ciel simulé (variables mises à jour en JS). */
:root {
  --sky-a: #5f9de8;
  --sky-b: #d9e8fb;
  --panel: rgba(250, 251, 253, 0.9);
  --panel-solid: #f7f9fc;
  --ink: #1b2134;
  --muted: #5b6479;
  --line: rgba(27, 33, 52, 0.12);
  --chip: rgba(27, 33, 52, 0.06);
  --sun: #f29a2e;
  --sun-soft: #ffc24a;
  --shade: #5663a0;
  --night: #161b2e;
  --focus: #2f6fe0;
  --display: "Unbounded", "Familjen Grotesk", system-ui, sans-serif;
  --ui: "Familjen Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --gut: 16px;
  --point-w: 344px;
  color-scheme: light;
}

:root.is-night {
  --panel: rgba(17, 22, 41, 0.86);
  --panel-solid: #151b31;
  --ink: #eceff8;
  --muted: #a3abc4;
  --line: rgba(255, 255, 255, 0.12);
  --chip: rgba(255, 255, 255, 0.08);
  --focus: #8db3ff;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; }
body {
  background: linear-gradient(var(--sky-a), var(--sky-b));
  color: var(--ink);
  font: 15px/1.45 var(--ui);
  -webkit-font-smoothing: antialiased;
  transition: color .6s;
}
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
[hidden] { display: none !important; }

#scene { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }

/* Panneaux : surface claire de jour, encre de nuit à la nuit tombée */
.top .search, .modes, .point, .timebar, .heat, .loading, .toast {
  background: var(--panel);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px -12px rgba(10, 16, 40, 0.35);
  transition: background-color .6s, border-color .6s, color .6s;
}

/* --- Barre du haut --- */
.top {
  position: fixed; top: var(--gut); left: var(--gut); right: var(--gut);
  display: flex; align-items: center; gap: 12px; z-index: 5; pointer-events: none;
}
.top > * { pointer-events: auto; }
.brand {
  display: inline-flex; align-items: center; gap: 9px;
  font: 700 18px/1 var(--display); letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none; padding: 10px 4px;
  text-shadow: 0 1px 12px rgba(255, 255, 255, 0.35);
}
.brand-sun {
  width: 22px; height: 22px; border-radius: 50%; position: relative; overflow: hidden;
  background: var(--sun-soft); box-shadow: 0 0 0 3px rgba(255, 194, 74, 0.28);
}
.brand-sun::after { content: ""; position: absolute; left: -2px; right: -2px; bottom: -2px; height: 46%; background: var(--ink); }

.search { position: relative; display: flex; align-items: center; border-radius: 999px; width: min(440px, 100%); padding: 3px 4px 3px 16px; }
.search input { flex: 1; min-width: 0; border: 0; background: transparent; padding: 9px 4px; outline: none; }
.search input::placeholder { color: var(--muted); }
.search input::-webkit-search-cancel-button { display: none; }
.icon-btn { width: 36px; height: 36px; border: 0; border-radius: 50%; background: transparent; display: grid; place-items: center; }
.icon-btn:hover { background: var(--chip); }
.icon-btn svg { width: 19px; height: 19px; fill: currentColor; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.icon-btn svg circle:last-child { fill: none; }
.results {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; margin: 0; padding: 6px; list-style: none;
  background: var(--panel-solid); border: 1px solid var(--line); border-radius: 16px;
  box-shadow: 0 16px 40px -16px rgba(10, 16, 40, 0.45); max-height: 60vh; overflow: auto;
}
.results li { padding: 9px 12px; border-radius: 10px; cursor: pointer; }
.results li[aria-selected="true"], .results li:hover { background: var(--chip); }
.results li small { display: block; color: var(--muted); font-size: 12.5px; }

.modes { margin-left: auto; display: flex; padding: 3px; border-radius: 999px; }
.modes button { border: 0; background: transparent; padding: 8px 15px; border-radius: 999px; font-weight: 500; color: var(--muted); }
.modes button[aria-checked="true"] { background: var(--ink); color: var(--panel-solid); }

/* --- Panneau du point --- */
.point {
  position: fixed; top: calc(var(--gut) + 64px); right: var(--gut); width: var(--point-w);
  max-height: calc(100% - 64px - var(--gut) * 2); overflow: auto; border-radius: 20px; z-index: 4;
  padding: 16px 18px 14px; scrollbar-width: thin;
}
.point-grab { display: block; width: 100%; border: 0; background: none; text-align: left; padding: 0; cursor: default; }
.point-title { display: block; font: 600 19px/1.15 var(--display); letter-spacing: -0.015em; }
.point-sub { display: block; color: var(--muted); margin-top: 4px; font-size: 14px; }
.polar-wrap { margin: 12px -4px 4px; }
.polar { width: 100%; aspect-ratio: 1; display: block; color: var(--ink); max-width: 264px; margin: 0 auto; }
.polar-note { margin: 4px 4px 0; font-size: 12.5px; color: var(--muted); line-height: 1.35; }

.figures { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 11em); column-gap: 12px; margin: 14px 0 0; border-top: 1px solid var(--line); }
.figures dt, .figures dd { margin: 0; padding: 9px 0; border-bottom: 1px solid var(--line); }
.figures dt { color: var(--muted); font-size: 14px; }
.figures dt b { display: block; color: var(--ink); font-weight: 500; font-size: 14.5px; }
.figures dd { text-align: right; font: 600 17px/1.2 var(--display); letter-spacing: -0.01em; font-variant-numeric: tabular-nums; align-self: center; }
.figures dd small { display: block; font: 400 12px/1.3 var(--ui); color: var(--muted); letter-spacing: 0; }
.figures .big { font-size: 26px; }

.floors-wrap { margin-top: 16px; }
.floors-wrap h3 { margin: 0 0 8px; font-size: 14.5px; font-weight: 600; }
.floors { display: grid; gap: 3px; }
.floor {
  display: grid; grid-template-columns: 34px 1fr 62px 62px; align-items: center; gap: 8px;
  border: 0; background: transparent; padding: 3px 4px; border-radius: 7px; text-align: left; font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.floor:hover { background: var(--chip); }
.floor.is-current { background: var(--chip); box-shadow: inset 3px 0 0 var(--sun); }
.floor-n { color: var(--muted); }
.floor-bar { height: 9px; border-radius: 5px; background: rgba(86, 99, 160, 0.22); overflow: hidden; }
.floor-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--sun), var(--sun-soft)); border-radius: 5px; min-width: 2px; }
.floor-v { text-align: right; font-weight: 600; }
.floor-y { text-align: right; color: var(--muted); }
.hint { font-size: 12.5px; color: var(--muted); margin: 6px 0 0; }

.toggles { display: grid; gap: 8px; margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--line); }
.tog { display: flex; align-items: center; gap: 10px; font-size: 14px; cursor: pointer; }
.tog input { appearance: none; width: 34px; height: 20px; border-radius: 10px; background: var(--chip); border: 1px solid var(--line); position: relative; margin: 0; transition: background .2s; cursor: pointer; }
.tog input::after { content: ""; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 50%; background: var(--panel-solid); box-shadow: 0 1px 3px rgba(0,0,0,.3); transition: transform .2s; }
.tog input:checked { background: var(--sun); border-color: transparent; }
.tog input:checked::after { transform: translateX(14px); }

/* --- Barre du temps et calendrier solaire --- */
.timebar {
  position: fixed; left: var(--gut); bottom: var(--gut); right: calc(var(--point-w) + var(--gut) * 2);
  border-radius: 20px; padding: 12px 14px 10px; z-index: 4; max-width: 1100px;
}
.time-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; }
.play { width: 42px; height: 42px; border-radius: 50%; border: 0; background: var(--ink); color: var(--panel-solid); display: grid; place-items: center; flex: none; }
.play svg { width: 18px; height: 18px; fill: currentColor; }
.play .i-pause { display: none; }
.play[aria-pressed="true"] .i-pause { display: inline; }
.play[aria-pressed="true"] .i-play { display: none; }
.when { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.when-date { font: 600 17px/1.1 var(--display); letter-spacing: -0.015em; white-space: nowrap; }
.when-time { font: 600 17px/1.1 var(--display); color: var(--sun); font-variant-numeric: tabular-nums; white-space: nowrap; }
.sunpos { margin: 0; color: var(--muted); font-size: 14px; flex: 1; min-width: 160px; }
.quick { display: flex; gap: 4px; }
.quick button { border: 1px solid var(--line); background: transparent; border-radius: 999px; padding: 5px 11px; font-size: 13px; }
.quick button:hover { background: var(--chip); }
.calendar { display: block; width: 100%; height: 132px; color: var(--muted); cursor: crosshair; touch-action: none; border-radius: 8px; }
.cal-legend { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 6px 0 0 30px; padding: 0; list-style: none; font-size: 12.5px; color: var(--muted); }
.cal-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.k-sun { background: #ffc44d; } .k-shade { background: #5663a0; } .k-behind { background: #343d66; } .k-night { background: #161b2e; }

/* --- Légende de la carte annuelle --- */
.heat { position: fixed; top: calc(var(--gut) + 64px); left: var(--gut); width: 300px; border-radius: 18px; padding: 12px 14px; z-index: 4; }
.metrics { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 10px; }
.metrics button { border: 1px solid var(--line); background: transparent; border-radius: 999px; padding: 5px 11px; font-size: 13px; }
.metrics button[aria-checked="true"] { background: var(--ink); color: var(--panel-solid); border-color: transparent; }
.metric-note { margin: 0 0 10px; font-size: 13px; line-height: 1.35; }
.ramp { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 8px; font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.ramp-bar { grid-column: 1 / -1; height: 10px; border-radius: 5px; background: linear-gradient(90deg, rgb(26,28,61), rgb(84,51,133) 25%, rgb(189,64,99) 50%, rgb(247,140,56) 75%, rgb(255,235,158)); }
.ramp-min { grid-column: 1; } .ramp-max { grid-column: 3; }
.heat-status { margin: 8px 0 0; font-size: 12.5px; color: var(--muted); }
.heat-status progress { width: 100%; height: 4px; display: block; margin-top: 5px; accent-color: var(--sun); }

/* --- Accueil --- */
.landing {
  position: fixed; inset: 0; z-index: 3; display: grid; align-items: end;
  padding: 0 var(--gut) clamp(40px, 12vh, 140px);
  background: linear-gradient(180deg, transparent 30%, rgba(8, 12, 30, 0.35) 100%);
  pointer-events: none;
}
.landing-inner { max-width: 760px; margin-left: clamp(0px, 6vw, 90px); pointer-events: auto; color: #fff; text-shadow: 0 2px 24px rgba(8, 12, 30, 0.35); }
.landing h1 { font: 700 clamp(34px, 6.2vw, 74px)/1.02 var(--display); letter-spacing: -0.035em; margin: 0 0 18px; }
.landing p { font-size: clamp(16px, 1.6vw, 19px); max-width: 34em; margin: 0 0 22px; opacity: .95; }
.examples { display: flex; flex-wrap: wrap; gap: 8px; }
.examples button { border: 1px solid rgba(255,255,255,.55); background: rgba(255,255,255,.14); color: #fff; padding: 9px 15px; border-radius: 999px; -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); text-shadow: none; }
.examples button:hover { background: rgba(255,255,255,.28); }

/* --- Chargement --- */
.loading { position: fixed; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 6; width: min(360px, calc(100% - 32px)); border-radius: 20px; padding: 18px 20px; }
.loading-title { margin: 0 0 10px; font: 600 17px/1.2 var(--display); letter-spacing: -0.01em; }
.loading ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; font-size: 14px; }
.loading li { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); }
.loading li.done { color: var(--ink); }
.loading li.done span:last-child { color: var(--sun); }
.loading li.fail span:last-child { color: #c0453a; }

.toast { position: fixed; left: 50%; top: 84px; transform: translateX(-50%); z-index: 7; border-radius: 14px; padding: 10px 16px; margin: 0; max-width: calc(100% - 32px); }

.credits { margin: 14px 0 0; font-size: 11.5px; color: var(--muted); line-height: 1.4; }
.landing .credits { color: rgba(255,255,255,.75); margin-top: 22px; }

/* --- Écrans étroits : la barre du temps en bas, l'analyse en feuille repliable --- */
@media (max-width: 860px) {
  :root { --gut: 10px; }
  .top { flex-wrap: wrap; gap: 8px; }
  .brand { font-size: 16px; padding: 8px 2px; }
  .search { order: 3; width: 100%; }
  .modes button { padding: 7px 11px; font-size: 14px; }
  .timebar { right: var(--gut); padding: 10px 10px 8px; bottom: var(--gut); }
  .time-row { gap: 8px 10px; margin-bottom: 6px; }
  .when-date, .when-time { font-size: 15px; }
  .sunpos { order: 4; flex-basis: 100%; font-size: 13px; }
  .quick { order: 5; flex-basis: 100%; overflow-x: auto; }
  .calendar { height: 96px; }
  .cal-legend { margin-left: 0; font-size: 11.5px; gap: 2px 10px; }
  .point {
    top: auto; left: var(--gut); right: var(--gut); width: auto;
    bottom: calc(var(--timebar-h, 230px) + var(--gut) * 2);
    max-height: 62vh; padding: 12px 14px; border-radius: 18px;
  }
  .point-grab { cursor: pointer; position: relative; padding-right: 28px; }
  .point-grab::after { content: ""; position: absolute; right: 6px; top: 8px; width: 9px; height: 9px; border-right: 2px solid var(--muted); border-top: 2px solid var(--muted); transform: rotate(-45deg); transition: transform .2s; }
  .point:not(.open) .point-body { display: none; }
  .point.open .point-grab::after { transform: rotate(135deg); top: 2px; }
  .point-title { font-size: 16px; }
  .heat { top: auto; bottom: calc(var(--timebar-h, 230px) + var(--gut) * 2 + 64px); width: auto; right: var(--gut); }
  .landing { align-items: center; padding-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }