/* Layout: single mobile-first column — saisie, graphique, historique —
     posée sur un fond clinique calme ; identité IBM Plex (sans + mono). */
  :root {
    --bg: #eef2f5;
    --surface: #ffffff;
    --surface-2: #f3f6f8;
    --border: #d9e1e7;
    --fg: #1a2732;
    --muted: #5d6c7a;
    --accent: #0f766e;
    --accent-ink: #ffffff;
    --sys: #c83c56;
    --dia: #2563a8;
    --pulse: #7b53a6;
    --ok: #2f8f5b;
    --warn: #c4590e;
    --note: #5560b8;
    --bad: #c83c56;
    --shadow: 0 1px 2px rgba(20,40,55,.06), 0 6px 20px rgba(20,40,55,.06);
    --radius: 14px;
    --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
    color-scheme: light;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --bg: #0e1518;
      --surface: #172128;
      --surface-2: #1d2a31;
      --border: #2a3a43;
      --fg: #e7eef3;
      --muted: #94a5b2;
      --accent: #2dd4bf;
      --accent-ink: #06201d;
      --sys: #ef6d82;
      --dia: #5d9bdd;
      --pulse: #b093dc;
      --ok: #52b67f;
      --warn: #f0974a; --note: #98a4f0;
      --bad: #ef6d82;
      --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
      color-scheme: dark;
    }
  }
  :root[data-theme="dark"] {
    --bg: #0e1518;
    --surface: #172128;
    --surface-2: #1d2a31;
    --border: #2a3a43;
    --fg: #e7eef3;
    --muted: #94a5b2;
    --accent: #2dd4bf;
    --accent-ink: #06201d;
    --sys: #ef6d82;
    --dia: #5d9bdd;
    --pulse: #b093dc;
    --ok: #52b67f;
    --warn: #f0974a; --note: #98a4f0;
    --bad: #ef6d82;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
    color-scheme: dark;
  }

  * { box-sizing: border-box; }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
  }
  .wrap {
    max-width: 680px;
    margin: 0 auto;
    padding-top: calc(18px + env(safe-area-inset-top, 0px));
    padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px));
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  header.app { display: flex; flex-direction: column; gap: 2px; padding: 2px 2px 0; }
  header.app h1 { margin: 0; font-size: 1.45rem; font-weight: 600; letter-spacing: -.01em; }
  header.app p { margin: 0; color: var(--muted); font-size: .86rem; }

  .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
  }
  .card h2 {
    margin: 0 0 12px;
    font-size: .78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--muted);
  }

  /* ---- Formulaire de saisie ---- */
  .field-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
  .field.full { grid-column: 1 / -1; }
  .field label { font-size: .74rem; font-weight: 600; color: var(--muted); letter-spacing: .02em; }
  .field label .dot { font-size: .9em; }
  input, textarea {
    width: 100%;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--fg);
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 11px 12px;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
  }
  .field input[inputmode="numeric"] { font-family: var(--font-mono); font-size: 1.25rem; font-weight: 600; text-align: center; letter-spacing: .01em; }
  input:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
  textarea { resize: vertical; min-height: 46px; }

  .form-actions { display: flex; gap: 10px; margin-top: 14px; align-items: center; flex-wrap: wrap; }
  button {
    font-family: var(--font-sans);
    font-size: .95rem;
    font-weight: 600;
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 11px 16px;
    cursor: pointer;
    transition: transform .05s, background .15s, border-color .15s, color .15s;
  }
  button:active { transform: translateY(1px); }
  button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
  .btn-primary { background: var(--accent); color: var(--accent-ink); flex: 1; min-width: 150px; }
  .btn-primary:hover { filter: brightness(1.05); }
  .btn-ghost { background: transparent; color: var(--muted); border-color: var(--border); }
  .btn-ghost:hover { color: var(--fg); border-color: var(--muted); }

  .hint { color: var(--muted); font-size: .8rem; margin-top: 10px; }
  .err { color: var(--bad); font-size: .82rem; margin-top: 10px; min-height: 1em; }

  /* ---- Bandeau d'état (connexion / import) ---- */
  .banner { font-size: .85rem; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); color: var(--muted); }
  .banner.warn { border-color: color-mix(in srgb, var(--warn) 50%, var(--border)); color: var(--fg); }

  /* ---- Dernière mesure ---- */
  .latest { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
  .latest .bp { font-family: var(--font-mono); font-size: 2.2rem; font-weight: 600; letter-spacing: -.01em; line-height: 1; }
  .latest .bp small { font-size: .9rem; color: var(--muted); font-weight: 500; }
  .latest .meta { display: flex; flex-direction: column; gap: 2px; }
  .latest .meta .when { font-size: .85rem; color: var(--muted); }
  .pill { display: inline-flex; align-items: center; gap: 6px; font-size: .76rem; font-weight: 600; padding: 3px 9px; border-radius: 999px; background: color-mix(in srgb, var(--cat, var(--muted)) 16%, transparent); color: var(--cat, var(--muted)); border: 1px solid color-mix(in srgb, var(--cat, var(--muted)) 35%, transparent); }
  .pulse-badge { font-family: var(--font-mono); color: var(--pulse); font-weight: 600; }

  /* ---- Graphique ---- */
  .chart-controls { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
  .seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 3px; gap: 2px; }
  .seg button { background: transparent; color: var(--muted); border: none; padding: 6px 11px; font-size: .82rem; border-radius: 7px; }
  .seg button.active { background: var(--surface); color: var(--fg); box-shadow: 0 1px 2px rgba(0,0,0,.08); }
  .chart-box { position: relative; height: 300px; }
  .legend { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 12px; font-size: .8rem; color: var(--muted); }
  .legend span { display: inline-flex; align-items: center; gap: 6px; }
  .legend i { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }
  .empty-chart { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--muted); font-size: .9rem; padding: 20px; }
  .chart-hint { color: var(--muted); font-size: .78rem; margin: 10px 0 0; }

  /* Détail d'une journée (clic sur un point) */
  .day-detail { margin-top: 14px; border-top: 1px solid var(--border); padding-top: 14px; }
  .dd-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 10px; }
  .dd-head strong { font-size: .95rem; }
  .dd-avg { font-family: var(--font-mono); font-size: .78rem; color: var(--muted); }
  .dd-rows { display: flex; flex-direction: column; gap: 6px; }
  .dd-row { display: grid; grid-template-columns: auto auto 1fr; align-items: center; gap: 10px; padding: 8px 11px; background: color-mix(in srgb, var(--cat, var(--surface-2)) 12%, var(--surface-2)); border: 1px solid color-mix(in srgb, var(--cat, var(--border)) 40%, var(--border)); border-radius: 9px; font-size: .86rem; }
  .dd-bar { width: 4px; align-self: stretch; border-radius: 3px; background: var(--cat, var(--muted)); }
  .dd-time { font-family: var(--font-mono); color: var(--muted); }
  .dd-nums { font-family: var(--font-mono); font-weight: 600; }
  .dd-nums .pu { color: var(--muted); font-weight: 500; }
  .dd-evt { font-weight: 500; overflow-wrap: anywhere; }
  .dd-note { grid-column: 1 / -1; color: var(--fg); overflow-wrap: anywhere; }

  /* ---- Historique ---- */
  .hist-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; }
  .hist-head h2 { margin: 0; }
  .count { font-size: .78rem; color: var(--muted); font-family: var(--font-mono); }
  .rows { display: flex; flex-direction: column; gap: 8px; }
  .row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 11px 12px;
    border: 1px solid color-mix(in srgb, var(--cat, var(--border)) 40%, var(--border));
    border-radius: 11px;
    background: color-mix(in srgb, var(--cat, var(--surface-2)) 12%, var(--surface-2));
  }
  .row .cat-bar { width: 6px; align-self: stretch; border-radius: 3px; background: var(--cat, var(--muted)); }
  .row.event { --cat: var(--note); border-style: dashed; }
  .tag-note { display: inline-block; font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--note); }
  .row .vals { min-width: 0; }
  .row .vals .nums { font-family: var(--font-mono); font-weight: 600; font-size: 1.05rem; }
  .row .vals .nums .pu { color: var(--muted); font-weight: 500; }
  .over { color: var(--warn); }
  .row .vals .when { font-size: .78rem; color: var(--muted); }
  .row .vals .note { font-size: .84rem; margin-top: 3px; overflow-wrap: anywhere; }
  .row .acts { display: flex; gap: 6px; }
  .icon-btn { background: transparent; border: 1px solid var(--border); color: var(--muted); padding: 7px 9px; border-radius: 9px; font-size: .8rem; font-weight: 600; }
  .icon-btn:hover { color: var(--fg); border-color: var(--muted); }
  .icon-btn.danger { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 40%, var(--border)); }
  .empty-hist { text-align: center; color: var(--muted); padding: 26px 10px; font-size: .9rem; }

  .file-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 4px; }
  .import-status { font-size: .82rem; color: var(--muted); }
  input[type="file"] { display: none; }
  .btn-file { display: inline-block; font-size: .95rem; font-weight: 600; padding: 11px 16px; border-radius: 10px; cursor: pointer; background: var(--surface-2); color: var(--fg); border: 1px solid var(--border); }
  .btn-file:hover { border-color: var(--muted); }

  footer.note { text-align: center; color: var(--muted); font-size: .76rem; padding: 4px 10px 0; line-height: 1.5; }

  @media (max-width: 420px) {
    .latest .bp { font-size: 1.9rem; }
    .row { grid-template-columns: auto 1fr; }
    .row .acts { grid-column: 2; justify-content: flex-end; }
  }

/* ---- Version autonome ---- */
[hidden] { display: none !important; }
.main { display: flex; flex-direction: column; gap: 16px; }
.app-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.user { display: flex; align-items: center; gap: 10px; min-width: 0; }
.user-email { font-size: .78rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 200px; }
.btn-small { padding: 7px 11px; font-size: .8rem; }
.field-grid.one-col { grid-template-columns: 1fr; }
.seg-spaced { margin-bottom: 12px; }
.chart-controls-spaced { margin-top: 14px; }
.hint-first { margin-top: 0; }
.dot-sys { color: var(--sys); } .dot-dia { color: var(--dia); } .dot-pulse { color: var(--pulse); }
.sw-sys { background: var(--sys); } .sw-dia { background: var(--dia); } .sw-pulse { background: var(--pulse); } .sw-note { background: var(--note); }
.latest .meta .pill { align-self: flex-start; }