:root {
  --bg: #f3f6f6; --card: #fff; --text: #1f2937; --muted: #6b7280; --line: #e5e7eb;
  --accent: #0f766e; --accent-soft: #d1fae5; --warn: #b45309; --warn-soft: #fef3c7;
  --danger: #b91c1c; --danger-soft: #fee2e2; --heat: #dc2626; --cool: #2563eb;
  --radius: 14px; --shadow: 0 1px 3px rgba(0,0,0,.08);
}
@media (prefers-color-scheme: dark) {
  :root { --bg:#111827; --card:#1f2937; --text:#f3f4f6; --muted:#9ca3af; --line:#374151;
          --accent-soft:#064e3b; --warn-soft:#451a03; --danger-soft:#450a0a; --shadow:none; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif; background: var(--bg); color: var(--text); padding-bottom: env(safe-area-inset-bottom); }
a { color: var(--accent); }
h1, h2, h3, h4 { margin: .3em 0; }
.muted { color: var(--muted); } .small { font-size: .85em; }
.error { color: var(--danger); background: var(--danger-soft); padding: .5rem .8rem; border-radius: 8px; }

/* Barre haute */
.topbar { position: sticky; top: 0; z-index: 10; background: var(--card); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: .6rem; padding: .5rem .8rem; padding-top: calc(.5rem + env(safe-area-inset-top)); flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.15rem; }
.tabs { display: flex; gap: .2rem; flex: 1; overflow-x: auto; }
.tabs button { background: none; border: 0; padding: .5rem .8rem; border-radius: 999px; font-size: .95rem; color: var(--muted); cursor: pointer; white-space: nowrap; }
.tabs button.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.userbox { margin-left: auto; display: flex; gap: .5rem; align-items: center; }
.userbox a { text-decoration: none; font-size: 1.2rem; }

main { max-width: 1000px; margin: 0 auto; padding: .8rem; }
.tab { display: none; } .tab.active { display: block; }
.globalbar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: .8rem; }

/* Boutons */
.btn { border: 1px solid var(--line); background: var(--card); color: var(--text); padding: .5rem .9rem; border-radius: 10px; font-size: .95rem; cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.btn.danger { color: var(--danger); }
.btn.small { padding: .3rem .6rem; font-size: .85rem; }
.btn.wide { width: 100%; }
.btn:disabled { opacity: .5; cursor: default; }
select, input[type=text], input[type=number], input[type=time], input[type=password], input:not([type]) { border: 1px solid var(--line); background: var(--card); color: var(--text); padding: .5rem .6rem; border-radius: 10px; font-size: 1rem; }

/* Cartes des clims */
.units { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: .9rem 1rem; border: 1px solid var(--line); }
.card.off { opacity: .85; }
.card .head { display: flex; align-items: baseline; gap: .5rem; flex-wrap: wrap; }
.card .head h3 { margin: 0; font-size: 1.1rem; flex: 1; }
.badge { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .78rem; font-weight: 600; background: var(--line); }
.badge.on { background: var(--accent-soft); color: var(--accent); }
.badge.heat { background: #fee2e2; color: var(--heat); } .badge.cool { background: #dbeafe; color: var(--cool); }
.badge.warn { background: var(--warn-soft); color: var(--warn); } .badge.err { background: var(--danger-soft); color: var(--danger); }
.temps { display: flex; gap: 1.2rem; margin: .6rem 0; align-items: flex-end; }
.temps .big { font-size: 2.2rem; font-weight: 700; line-height: 1; }
.temps .lbl { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.quick { display: flex; gap: .4rem; flex-wrap: wrap; margin: .5rem 0; }
.quick .btn { flex: 1; min-width: 60px; text-align: center; }
.unit-meta { display: grid; grid-template-columns: auto 1fr; gap: .3rem .6rem; font-size: .9rem; margin-top: .6rem; align-items: center; }
.unit-meta select { padding: .3rem .5rem; font-size: .9rem; }
.notice { font-size: .85rem; padding: .35rem .6rem; border-radius: 8px; margin-top: .5rem; }
.notice.warn { background: var(--warn-soft); color: var(--warn); }
.notice.info { background: var(--accent-soft); color: var(--accent); }

/* Scénarios */
.scenario { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem 1rem; margin-bottom: .8rem; }
.scenario .head { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.scenario .head h3 { margin: 0; flex: 1; }
.rules { margin: .6rem 0 0; padding: 0; list-style: none; }
.rule { display: flex; gap: .6rem; align-items: center; padding: .5rem 0; border-top: 1px solid var(--line); flex-wrap: wrap; }
.rule.disabled { opacity: .5; }
.rule .when { min-width: 150px; font-weight: 600; }
.rule .what { flex: 1; }
.rule .days { font-family: ui-monospace, monospace; font-size: .8rem; letter-spacing: .1em; color: var(--muted); }
.rule .days b { color: var(--accent); }

/* Journal */
.log { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.log .entry { padding: .5rem .9rem; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 110px 1fr; gap: .2rem .8rem; font-size: .9rem; }
.log .entry:last-child { border-bottom: 0; }
.log .ts { color: var(--muted); font-variant-numeric: tabular-nums; }
.log .src { font-size: .75rem; padding: 0 .4rem; border-radius: 4px; background: var(--line); margin-right: .3rem; }
.log .src.rule { background: var(--accent-soft); color: var(--accent); } .log .src.error { background: var(--danger-soft); color: var(--danger); }
.log .src.manual, .log .src.override { background: #dbeafe; color: var(--cool); }

/* Historique */
.chart-wrap { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .6rem; height: 340px; }

/* Modales */
dialog { border: 0; border-radius: var(--radius); padding: 0; max-width: 520px; width: calc(100% - 2rem); background: var(--card); color: var(--text); box-shadow: 0 10px 40px rgba(0,0,0,.3); }
dialog::backdrop { background: rgba(0,0,0,.4); }
.form { padding: 1rem 1.2rem; display: flex; flex-direction: column; gap: .7rem; }
.form label { display: flex; flex-direction: column; gap: .25rem; font-size: .9rem; color: var(--muted); flex: 1; }
.form label.check { flex-direction: row; align-items: center; gap: .5rem; color: var(--text); margin-top: 1.4rem; }
.form .row { display: flex; gap: .8rem; }
.form fieldset { border: 1px solid var(--line); border-radius: 10px; padding: .4rem .6rem; display: flex; gap: .4rem; flex-wrap: wrap; }
.form fieldset legend { font-size: .85rem; color: var(--muted); }
.form fieldset label { flex-direction: row; align-items: center; gap: .2rem; color: var(--text); flex: 0; }
.form .actions { display: flex; justify-content: flex-end; gap: .5rem; margin-top: .4rem; }

/* Toast */
.toast { position: fixed; left: 50%; bottom: calc(1rem + env(safe-area-inset-bottom)); transform: translateX(-50%); background: #111; color: #fff; padding: .6rem 1rem; border-radius: 10px; z-index: 100; max-width: 90%; font-size: .95rem; }
.toast.err { background: var(--danger); }

/* Login */
.login-page { display: flex; min-height: 100vh; align-items: center; justify-content: center; padding: 1rem; }
.login-box { background: var(--card); padding: 1.5rem; border-radius: var(--radius); width: 100%; max-width: 360px; box-shadow: var(--shadow); text-align: center; }
.login-box form { display: flex; flex-direction: column; gap: .8rem; text-align: left; margin-top: 1rem; }
.login-box label { display: flex; flex-direction: column; gap: .3rem; font-size: .9rem; color: var(--muted); }

@media (max-width: 520px) {
  .tabs button { padding: .45rem .55rem; font-size: .9rem; }
  .brand span { display: none; }
  .form .row { flex-direction: column; gap: .5rem; }
  .form label.check { margin-top: 0; }
  .log .entry { grid-template-columns: 1fr; }
}