:root {
  color-scheme: dark;

  /* Plans et encres — palette de visualisation validée (mode sombre) */
  --plane:          #0d0d0d;
  --surface:        #1a1a19;
  --surface-hi:     #232322;
  --ink:            #ffffff;
  --ink-2:          #c3c2b7;
  --ink-muted:      #898781;
  --grid:           #2c2c2a;
  --axis:           #383835;
  --border:         rgba(255, 255, 255, 0.10);

  /* Séries catégorielles, ordre fixe (jamais recyclé) */
  --series-1:       #3987e5;  /* couloir */
  --series-2:       #d95926;  /* arriere */
  --series-3:       #199e70;  /* balcon  */

  /* États — réservés, jamais réutilisés comme couleur de série */
  --good:           #0ca30c;
  --warning:        #fab219;
  --serious:        #ec835a;
  --critical:       #d03b3b;

  --radius:         14px;
  --gap:            14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--plane);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100dvh;
  padding-bottom: env(safe-area-inset-bottom);
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--gap);
  padding-bottom: 40px;
}

a { color: inherit; text-decoration: none; }

/* ── Barre du haut ───────────────────────────────────────────────────────── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: calc(env(safe-area-inset-top) + 10px) var(--gap) 10px;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 650;
  letter-spacing: -0.01em;
  font-size: 1.02rem;
}

.brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 0 4px rgba(12, 163, 12, 0.16);
}

.topbar nav { display: flex; align-items: center; gap: 4px; }
.inline { display: inline; margin: 0; }

.icon-btn {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
}
.icon-btn:active { background: var(--surface-hi); }
.icon-btn svg { width: 21px; height: 21px; fill: currentColor; }

/* ── Cartes caméra ───────────────────────────────────────────────────────── */

.cards { display: flex; flex-direction: column; gap: var(--gap); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.shot {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000 center/cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.shot.empty {
  display: grid;
  place-items: center;
  color: var(--ink-muted);
  font-size: 0.82rem;
  background: repeating-linear-gradient(45deg, #151514, #151514 10px, #191918 10px, #191918 20px);
}

.shot img { width: 100%; height: 100%; object-fit: cover; display: block; }

.shot-age {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 4px 8px;
  border-radius: 7px;
  background: rgba(0, 0, 0, 0.62);
  color: var(--ink-2);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 13px var(--gap) 0;
}

.cam-name { font-size: 1.06rem; font-weight: 650; letter-spacing: -0.01em; }
.cam-sub { margin-top: 3px; font-size: 0.78rem; color: var(--ink-muted); }

.card-body { padding: 11px var(--gap) var(--gap); }

/* ── Pastilles d'état ────────────────────────────────────────────────────── */

.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 11px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--surface-hi);
  border: 1px solid var(--border);
  font-size: 0.76rem;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}

.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-muted); }
.chip.awake .dot { background: var(--good); }
.chip.asleep .dot { background: var(--ink-muted); }
.chip.motion .dot { background: var(--warning); }
.chip.low .dot { background: var(--critical); }

/* ── Batterie ────────────────────────────────────────────────────────────── */

.batt { display: flex; align-items: center; gap: 9px; }
.batt-bar {
  position: relative;
  width: 46px;
  height: 9px;
  border-radius: 4px;
  background: var(--axis);
  overflow: hidden;
}
.batt-fill { position: absolute; inset: 0 auto 0 0; border-radius: 4px; background: var(--good); }
.batt-fill.warn { background: var(--warning); }
.batt-fill.crit { background: var(--critical); }

/* ── Actions ─────────────────────────────────────────────────────────────── */

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 13px; }

.btn {
  flex: 1 1 auto;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: var(--surface-hi);
  color: var(--ink);
  font: inherit;
  font-size: 0.87rem;
  font-weight: 550;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: 0.45; pointer-events: none; }
.btn svg { width: 17px; height: 17px; fill: currentColor; }
.btn.primary { background: var(--series-1); border-color: transparent; color: #fff; }
.btn.danger { color: var(--critical); }
.btn.on { background: var(--warning); border-color: transparent; color: #1a1a19; }
.btn.ghost { background: transparent; }
.btn.sm { min-height: 38px; font-size: 0.82rem; flex: 0 0 auto; }

.presets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 11px; }

/* ── Pavé directionnel ───────────────────────────────────────────────────── */

.pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  max-width: 260px;
  margin: 4px auto 0;
}
.pad button {
  aspect-ratio: 1;
  min-height: 0;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-hi);
  color: var(--ink);
  font-size: 1.15rem;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.pad button:active { background: var(--series-1); }
.pad .spacer { visibility: hidden; }

.zoom-row { display: flex; gap: 8px; max-width: 260px; margin: 8px auto 0; }
.zoom-row .btn { flex: 1; }

/* ── Sections ────────────────────────────────────────────────────────────── */

.section { margin-top: 22px; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

h2 { margin: 0; font-size: 0.93rem; font-weight: 650; letter-spacing: -0.01em; }
.hint { font-size: 0.76rem; color: var(--ink-muted); }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--gap);
}

/* ── Graphique ───────────────────────────────────────────────────────────── */

.chart-wrap { position: relative; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 10px; }
.legend-item { display: inline-flex; align-items: center; gap: 7px; font-size: 0.78rem; color: var(--ink-2); }
.legend-swatch { width: 10px; height: 10px; border-radius: 3px; }
svg.chart { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid-line { stroke: var(--grid); stroke-width: 1; }
.chart .axis-line { stroke: var(--axis); stroke-width: 1; }
.chart .tick { fill: var(--ink-muted); font-size: 10px; font-variant-numeric: tabular-nums; }
.chart .serie { fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.chart .crosshair { stroke: var(--ink-muted); stroke-width: 1; stroke-dasharray: 3 3; }
.chart .hit { fill: transparent; }

.tooltip {
  position: absolute;
  pointer-events: none;
  padding: 8px 10px;
  border-radius: 9px;
  background: rgba(35, 35, 34, 0.97);
  border: 1px solid var(--border);
  font-size: 0.76rem;
  color: var(--ink);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  opacity: 0;
  transition: opacity 0.12s;
  z-index: 5;
}
.tooltip.show { opacity: 1; }
.tooltip .tt-row { display: flex; align-items: center; gap: 7px; }
.tooltip .tt-date { color: var(--ink-muted); margin-bottom: 4px; }

.empty-note { color: var(--ink-muted); font-size: 0.8rem; text-align: center; padding: 22px 0; }

/* ── Journal ─────────────────────────────────────────────────────────────── */

.events { list-style: none; margin: 0; padding: 0; }
.events li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}
.events li:last-child { border-bottom: 0; }
.ev-time { color: var(--ink-muted); font-size: 0.74rem; font-variant-numeric: tabular-nums; flex: 0 0 auto; }
.ev-cam { color: var(--ink-2); flex: 0 0 auto; }
.ev-text { color: var(--ink); }

/* ── Connexion ───────────────────────────────────────────────────────────── */

.login-wrap { min-height: 100dvh; display: grid; place-items: center; padding: var(--gap); }
.login-card { width: 100%; max-width: 360px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; }
.login-card h1 { margin: 0 0 4px; font-size: 1.25rem; letter-spacing: -0.02em; }
.login-card p { margin: 0 0 20px; color: var(--ink-muted); font-size: 0.82rem; }

label { display: block; font-size: 0.78rem; color: var(--ink-2); margin: 13px 0 6px; }

input[type=text], input[type=password] {
  width: 100%;
  min-height: 46px;
  padding: 11px 13px;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: var(--surface-hi);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
}
input:focus { outline: 2px solid var(--series-1); outline-offset: 1px; }

.alert { margin-top: 14px; padding: 10px 12px; border-radius: 10px; font-size: 0.8rem; }
.alert.error { background: rgba(208, 59, 59, 0.14); color: #f2a3a3; }
.alert.ok { background: rgba(12, 163, 12, 0.14); color: #86d986; }

.warn-note {
  display: flex;
  gap: 9px;
  padding: 11px 12px;
  border-radius: 10px;
  background: rgba(250, 178, 25, 0.10);
  border: 1px solid rgba(250, 178, 25, 0.28);
  font-size: 0.79rem;
  color: #f0d49a;
  margin-top: 12px;
}

/* ── Toast ───────────────────────────────────────────────────────────────── */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + 20px);
  transform: translate(-50%, 16px);
  padding: 11px 17px;
  border-radius: 11px;
  background: var(--surface-hi);
  border: 1px solid var(--border);
  color: var(--ink);
  font-size: 0.85rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
  z-index: 50;
  max-width: calc(100vw - 32px);
  text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.back { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-muted); font-size: 0.83rem; margin-bottom: 14px; }
.back svg { width: 15px; height: 15px; fill: currentColor; }

.spin { animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}