/* Matrix — feuille de style unique, sans dépendance externe. Contrastes AA vérifiés. */
:root {
    --bg: #f6f7f9;
    --surface: #ffffff;
    --text: #1d2430;
    --muted: #5b6573;
    --border: #d9dee6;
    --primary: #1f3a5f;
    --primary-contrast: #ffffff;
    --accent: #2f6fb3;
    --focus: #d97706;
    --q1: #b3261e;
    --q1-bg: #fbe9e7;
    --q2: #1f6f43;
    --q2-bg: #e6f4ea;
    --q3: #9a5b00;
    --q3-bg: #fff3dc;
    --q4: #4f5b6b;
    --q4-bg: #eef0f3;
    --success: #1f6f43;
    --error: #b3261e;
    --warning: #9a5b00;
    --radius: 6px;
    --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { font-size: 100%; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.5; }
a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--primary); color: #fff; padding: .5rem 1rem; z-index: 100; }
.skip-link:focus { left: 0; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 1rem; }

.site-header { background: var(--primary); color: var(--primary-contrast); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 56px; gap: 1rem; flex-wrap: wrap; }
.brand { color: #fff; text-decoration: none; font-weight: 700; font-size: 1.2rem; display: inline-flex; align-items: center; gap: .4rem; }
.brand-mark { font-size: 1.4rem; }
.site-nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.site-nav a { color: #fff; }
.site-nav .user { opacity: .9; }
.site-footer { margin-top: 3rem; padding: 1.5rem 0; color: var(--muted); font-size: .9rem; border-top: 1px solid var(--border); }

.subnav { background: var(--surface); border-bottom: 1px solid var(--border); }
.subnav .container { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; padding-top: .4rem; padding-bottom: .4rem; }
.subnav-title { font-weight: 700; }
.subnav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem; }
.subnav a { display: inline-block; padding: .35rem .6rem; border-radius: var(--radius); text-decoration: none; color: var(--text); }
.subnav a:hover { background: var(--bg); }
.subnav a[aria-current="page"] { background: var(--primary); color: #fff; }
.subnav-settings { margin-left: auto; }

main { padding: 1.5rem 0; }
h1 { font-size: 1.7rem; margin: .5rem 0 1rem; }
h2 { font-size: 1.3rem; margin: 1.75rem 0 .75rem; }
h3 { font-size: 1.1rem; margin: 1.25rem 0 .5rem; }
p.lead { color: var(--muted); font-size: 1.05rem; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; margin-bottom: 1rem; }
.card h2:first-child, .card h3:first-child { margin-top: 0; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.kpis { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .75rem 1rem; }
.kpi .kpi-value { font-size: 1.6rem; font-weight: 700; display: block; }
.kpi .kpi-label { color: var(--muted); font-size: .9rem; }

.btn { display: inline-block; padding: .5rem .9rem; border-radius: var(--radius); border: 1px solid var(--primary); background: var(--primary); color: #fff; text-decoration: none; font: inherit; cursor: pointer; line-height: 1.2; }
.btn:hover { background: #17304f; }
.btn-secondary { background: var(--surface); color: var(--primary); }
.btn-secondary:hover { background: var(--bg); }
.btn-danger { background: var(--error); border-color: var(--error); }
.btn-danger:hover { background: #8f1d17; }
.btn-small { padding: .25rem .55rem; font-size: .9rem; }
.inline-form { display: inline-flex; gap: .3rem; align-items: center; }

.flash { padding: .75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; border: 1px solid; }
.flash-success { background: #e6f4ea; border-color: var(--success); color: #12452a; }
.flash-error { background: #fbe9e7; border-color: var(--error); color: #6e1510; }
.flash-warning, .flash-planning_warnings { background: #fff3dc; border-color: var(--warning); color: #5c3700; }
.flash-info { background: #e8f0fb; border-color: var(--accent); color: #173a63; }

table.data { width: 100%; border-collapse: collapse; background: var(--surface); font-size: .93rem; }
table.data caption { text-align: left; font-weight: 600; padding: .5rem 0; color: var(--muted); }
table.data th, table.data td { border: 1px solid var(--border); padding: .45rem .55rem; vertical-align: top; text-align: left; }
table.data thead th { background: #eef1f5; position: sticky; top: 0; }
table.data tbody tr:nth-child(even) { background: #fafbfc; }
.table-wrap { overflow-x: auto; }
td.num, th.num { text-align: right; white-space: nowrap; }
.nowrap { white-space: nowrap; }
.small { font-size: .88rem; color: var(--muted); }

.badge { display: inline-block; padding: .1rem .45rem; border-radius: 999px; font-size: .78rem; font-weight: 600; border: 1px solid transparent; }
.badge.q1 { background: var(--q1-bg); color: var(--q1); border-color: var(--q1); }
.badge.q2 { background: var(--q2-bg); color: var(--q2); border-color: var(--q2); }
.badge.q3 { background: var(--q3-bg); color: var(--q3); border-color: var(--q3); }
.badge.q4 { background: var(--q4-bg); color: var(--q4); border-color: var(--q4); }
.badge-muted { background: var(--q4-bg); color: var(--q4); }
.badge-warn { background: var(--q3-bg); color: var(--q3); }
.badge-danger { background: var(--q1-bg); color: var(--q1); }
.badge-status { background: #e8f0fb; color: #173a63; }

.matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.quadrant { border-radius: var(--radius); border: 2px solid; padding: 1rem; background: var(--surface); }
.quadrant h2 { margin-top: 0; font-size: 1.1rem; }
.quadrant.q1 { border-color: var(--q1); } .quadrant.q1 h2 { color: var(--q1); }
.quadrant.q2 { border-color: var(--q2); } .quadrant.q2 h2 { color: var(--q2); }
.quadrant.q3 { border-color: var(--q3); } .quadrant.q3 h2 { color: var(--q3); }
.quadrant.q4 { border-color: var(--q4); } .quadrant.q4 h2 { color: var(--q4); }
.quadrant .instruction { color: var(--muted); margin: 0 0 .75rem; font-size: .9rem; }
.task-card { border: 1px solid var(--border); border-radius: var(--radius); padding: .6rem .75rem; margin-bottom: .6rem; background: var(--bg); }
.task-card .task-title { font-weight: 600; }
.task-card dl { margin: .4rem 0 0; display: grid; grid-template-columns: max-content 1fr; gap: .15rem .6rem; font-size: .88rem; }
.task-card dt { color: var(--muted); }
.task-card dd { margin: 0; }
.move-form { margin-top: .4rem; }

.form-row { margin-bottom: 1rem; }
.form-label { display: block; font-weight: 600; margin-bottom: .25rem; }
.form-help { margin: .25rem 0 0; font-size: .88rem; color: var(--muted); }
.form-errors { margin: .25rem 0 0; padding-left: 1.2rem; color: var(--error); font-size: .9rem; }
.has-error input, .has-error select, .has-error textarea { border-color: var(--error); }
.required { color: var(--error); }
input[type="text"], input[type="email"], input[type="password"], input[type="date"], input[type="time"], input[type="number"], select, textarea {
    width: 100%; max-width: 100%; padding: .5rem .6rem; border: 1px solid #8a94a3; border-radius: var(--radius); font: inherit; background: #fff; color: var(--text);
}
textarea { resize: vertical; }
select[multiple] { min-height: 7rem; }
.form-grid { display: grid; gap: 0 1.5rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.form-row-check { display: grid; grid-template-columns: auto 1fr; gap: .2rem .5rem; align-items: center; }
.form-row-check .form-help, .form-row-check .form-errors { grid-column: 2; }
.choice-group { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .4rem 1rem; }
.choice-item { display: inline-flex; gap: .3rem; align-items: center; }
.choice-item .form-label { font-weight: 400; margin: 0; }
fieldset.section { border: 1px solid var(--border); border-radius: var(--radius); padding: .75rem 1rem 0; margin: 0 0 1.25rem; }
fieldset.section legend { font-weight: 700; padding: 0 .4rem; }
.form-actions { display: flex; gap: .75rem; align-items: center; margin-top: 1rem; }

.login-box { max-width: 420px; margin: 3rem auto; }

.planning-day { margin-bottom: 1.25rem; }
.planning-day h3 { margin-bottom: .4rem; }
.slot-kind-deep_work td:first-child { border-left: 4px solid var(--q2); }
.slot-kind-commitment { color: var(--muted); }
.slot-kind-buffer { color: var(--muted); font-style: italic; }
.slot-kind-review { background: #e8f0fb; }

.synthesis { background: #fffbea; border: 1px solid #f0d58a; border-radius: var(--radius); padding: 1rem 1.25rem; }
.synthesis ol { margin: .5rem 0 0; padding-left: 1.25rem; }
.report section { margin-bottom: 2rem; }
.report h2 { border-bottom: 2px solid var(--border); padding-bottom: .3rem; }
.toc ul { columns: 2; list-style: none; padding: 0; }
.toc li { margin: .2rem 0; }
.empty { color: var(--muted); font-style: italic; }
pre.wrap { white-space: pre-wrap; word-break: break-word; background: var(--bg); padding: .75rem; border-radius: var(--radius); }
details summary { cursor: pointer; font-weight: 600; }
.progress { height: 10px; background: var(--q4-bg); border-radius: 999px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--q2); }

@media (max-width: 800px) {
    .matrix { grid-template-columns: 1fr; }
    .toc ul { columns: 1; }
    .subnav-settings { margin-left: 0; }
}
@media print {
    .site-header, .subnav, .site-footer, .actions, .flash, form { display: none !important; }
    body { background: #fff; }
    .card, .quadrant { break-inside: avoid; }
}
meter { width: 140px; height: 12px; vertical-align: middle; }