:root {
  color-scheme: light;
  --ink: #172126;
  --muted: #637078;
  --line: #dce3e6;
  --paper: #f4f7f6;
  --surface: #ffffff;
  --accent: #0d6b5f;
  --accent-soft: #dff3ed;
  --warning: #a14d17;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); }
.login-view { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login-view.hidden { display: none; }
.login-card { width: min(28rem, 100%); overflow: hidden; border: 1px solid var(--line); border-radius: .9rem; background: white; box-shadow: 0 20px 55px rgba(23,33,38,.12); }
.login-heading { padding: 1.5rem; background: #132d2b; color: white; }
.login-heading p:last-child { margin: .75rem 0 0; color: #c6d5d2; }
.login-fields { display: grid; gap: 1rem; padding: 1.5rem; }
.login-fields label { display: grid; gap: .35rem; color: var(--ink); font-weight: 700; }
.login-fields input { border-color: #9aabad; }
.app-header { display: flex; align-items: end; justify-content: space-between; gap: 2rem; padding: 1.5rem clamp(1rem, 4vw, 4rem); background: #132d2b; color: white; }
.current-user { font-size: .8rem; color: #c6d5d2; }
.main-nav { display: flex; gap: .15rem; overflow-x: auto; padding: 0 clamp(1rem, 4vw, 4rem); background: #132d2b; }
.main-nav button { min-width: 7rem; flex: 0 0 auto; border: 0; border-radius: .6rem .6rem 0 0; background: transparent; color: #c6d5d2; }
.main-nav button[aria-current="page"] { background: var(--paper); color: #13443d; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(1.5rem, 3vw, 2.35rem); letter-spacing: -0.04em; }
h2 { margin-bottom: 0; font-size: 1.1rem; }
.eyebrow { margin-bottom: .35rem; color: #76c9b9; font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.header-actions { display: flex; align-items: center; gap: .65rem; flex-wrap: wrap; }
label { font-size: .8rem; color: #c6d5d2; }
select, input, textarea, button { border: 1px solid #42615c; border-radius: .6rem; padding: .65rem .8rem; font: inherit; }
select, input, button { min-height: 42px; }
select { background: #203f3b; color: white; }
button { cursor: pointer; background: #e8fff8; color: #13443d; font-weight: 750; }
button:hover { background: white; }
button:focus-visible, select:focus-visible { outline: 3px solid #79d9c6; outline-offset: 2px; }
input:focus-visible, textarea:focus-visible { outline: 3px solid #79d9c6; outline-offset: 2px; }
main { max-width: 1500px; margin: 0 auto; padding: 1.25rem clamp(1rem, 4vw, 4rem) 4rem; }
.page-heading { display: flex; justify-content: space-between; align-items: end; margin-bottom: 1rem; }
.page-heading p:last-child { margin: .5rem 0 0; color: var(--muted); }
.status { color: var(--muted); font-size: .85rem; }
.status.error { color: #a52b2b; font-weight: 700; }
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.card { min-height: 130px; padding: 1.15rem; border: 1px solid var(--line); border-radius: .9rem; background: var(--surface); box-shadow: 0 10px 30px rgba(27, 48, 46, .04); }
.card-primary { background: var(--accent-soft); border-color: #a8d9cf; }
.card span, .card small { display: block; color: var(--muted); }
.card strong { display: block; margin: .45rem 0; font-size: clamp(1.55rem, 3vw, 2.25rem); font-variant-numeric: tabular-nums; }
.meter-heading { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.meter-status { padding: .3rem .55rem; border: 1px solid #8bcfc1; border-radius: 99rem; background: rgba(255,255,255,.55); color: var(--accent) !important; font-size: .67rem; font-weight: 800; white-space: nowrap; }
.meter-status.warning { border-color: #dfb58f; color: var(--warning) !important; }
.meter-comparison { display: grid; grid-template-columns: repeat(3, 1fr); margin: .75rem -1.15rem 0; border-top: 1px solid #b8ddd6; border-bottom: 1px solid #b8ddd6; }
.meter-comparison > div { min-width: 0; padding: .65rem .7rem; border-right: 1px solid #b8ddd6; }
.meter-comparison > div:last-child { border-right: 0; }
.meter-comparison span { font-size: .62rem; font-weight: 800; letter-spacing: .03em; text-transform: uppercase; }
.meter-comparison b { display: block; margin-top: .25rem; font-size: .88rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.meter-comparison .meter-reset-at { margin-top: .18rem; font-size: .61rem; line-height: 1.2; white-space: nowrap; }
.meter-verdict { margin: .7rem 0 -.1rem; line-height: 1.35; }
.card-primary { min-height: 218px; }
.panel { margin-top: 1rem; border: 1px solid var(--line); border-radius: .9rem; background: var(--surface); overflow: hidden; }
.panel-heading { display: flex; justify-content: space-between; align-items: end; gap: 1rem; padding: 1rem 1.15rem; border-bottom: 1px solid var(--line); }
.panel-heading p:last-child { max-width: 36rem; margin-bottom: 0; color: var(--muted); font-size: .8rem; }
.panel-heading .eyebrow { color: var(--accent); }
.chart-panel { position: relative; }
.chart-controls { display: flex; align-items: end; flex-wrap: wrap; gap: .65rem; padding: .75rem 1.15rem 0; }
.chart-controls label { display: grid; gap: .25rem; color: var(--muted); }
.chart-controls select { min-width: 10rem; background: white; color: var(--ink); border-color: var(--line); }
.chart-legend { display: flex; flex-wrap: wrap; gap: .65rem 1rem; padding: .75rem 1.15rem 0; color: var(--muted); font-size: .76rem; }
.legend-item { display: inline-flex; align-items: center; gap: .35rem; }
.legend-swatch { width: .7rem; height: .7rem; border-radius: .2rem; }
.swatch-0 { background: #0d6b5f; } .swatch-1 { background: #3f86a8; } .swatch-2 { background: #7c5ca5; }
.swatch-3 { background: #d18b37; } .swatch-4 { background: #bd4f6c; } .swatch-5 { background: #637078; }
.swatch-meter { background: #a14d17; }
.timeline-chart { min-height: 300px; padding: .5rem 1rem 1rem; overflow-x: auto; }
.timeline-chart svg { display: block; width: 100%; min-width: 620px; height: 300px; }
.chart-grid { stroke: #e6ecec; stroke-width: 1; }
.chart-axis { fill: var(--muted); font-size: 11px; }
.chart-area { opacity: .82; }
.meter-line { fill: none; stroke: #a14d17; stroke-width: 2.5; vector-effect: non-scaling-stroke; }
.chart-hit { fill: transparent; cursor: crosshair; }
.chart-tooltip { position: absolute; z-index: 2; max-width: 19rem; padding: .65rem .75rem; border: 1px solid var(--line); border-radius: .55rem; background: #172126; color: white; box-shadow: 0 8px 24px rgba(0,0,0,.2); font-size: .76rem; pointer-events: none; }
.chart-empty { display: grid; place-items: center; min-height: 280px; color: var(--muted); }
.budget-heading { align-items: center; }
.budget-heading > div:first-child { flex: 1; }
.budget-heading h2 + p { margin: .45rem 0 0; }
.budget-badges { display: flex; flex-wrap: wrap; gap: .5rem; }
.badge { padding: .4rem .7rem; border: 1px solid #9bd4c8; border-radius: 99rem; background: var(--accent-soft); color: var(--accent); font-size: .75rem; font-weight: 750; white-space: nowrap; }
.badge-warning { border-color: #e8bd94; background: #fff7ee; color: var(--warning); }
.budget-summary { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.budget-summary > div { display: grid; gap: .35rem; padding: 1rem 1.15rem; border-right: 1px solid var(--line); }
.budget-summary > div:last-child { border-right: 0; }
.budget-summary span, .budget-summary small { color: var(--muted); font-size: .76rem; }
.budget-summary strong { font-size: 1.4rem; font-variant-numeric: tabular-nums; }
.budget-footer { display: flex; align-items: start; justify-content: space-between; gap: 1rem; padding: 1rem 1.15rem; background: #f8faf9; color: var(--muted); font-size: .78rem; }
.budget-footer p { margin: 0; }
.budget-footer details { max-width: 42rem; }
.budget-footer summary { min-height: 42px; padding: .65rem .8rem; border: 1px solid var(--line); border-radius: .6rem; color: var(--ink); cursor: pointer; font-weight: 750; text-align: center; list-style-position: inside; }
.budget-footer details p { padding-top: .75rem; line-height: 1.5; }
.budget-empty { padding: 1rem 1.15rem; color: var(--muted); border-bottom: 1px solid var(--line); }
.enrollment-form { display: grid; grid-template-columns: minmax(14rem, 2fr) minmax(10rem, 1fr) minmax(9rem, .8fr) auto; align-items: end; gap: .75rem; padding: 1rem 1.15rem; }
.enrollment-form label, .enrollment-result > label { display: grid; gap: .35rem; color: var(--muted); font-size: .8rem; }
.platform-tabs { min-width: 0; margin: 0; padding: 0; border: 0; }
.platform-tabs legend { margin-bottom: .35rem; color: var(--muted); font-size: .8rem; }
.platform-tabs div { display: flex; }
.platform-tabs button { flex: 1; border-radius: 0; background: white; color: var(--muted); border-color: var(--line); }
.platform-tabs button:first-child { border-radius: .45rem 0 0 .45rem; }
.platform-tabs button:last-child { margin-left: -1px; border-radius: 0 .45rem .45rem 0; }
.platform-tabs button[aria-selected="true"] { position: relative; background: var(--ink); color: white; border-color: var(--ink); }
.enrollment-form input, .enrollment-form select, .enrollment-result input { border-color: var(--line); background: white; color: var(--ink); }
.enrollment-warning { margin: 0; padding: 0 1.15rem 1rem; color: var(--warning); font-size: .8rem; }
.enrollment-result { padding: 0 1.15rem 1.15rem; }
.enrollment-command { width: 100%; margin-top: .35rem; font: .78rem/1.45 ui-monospace, SFMono-Regular, Consolas, monospace; }
.enrollment-token-label { margin-top: 1rem; }
.enrollment-token { width: 100%; margin-top: .35rem; font: .82rem/1.45 ui-monospace, SFMono-Regular, Consolas, monospace; }
.enrollment-actions { display: flex; gap: .65rem; margin-top: .65rem; }
.account-form { display: grid; grid-template-columns: 2fr 1fr auto; align-items: end; gap: .75rem; padding: 1rem 1.15rem; }
.account-form label { display: grid; gap: .35rem; color: var(--muted); }
.account-form input, .account-form select, .secret-result textarea { background: white; color: var(--ink); border-color: var(--line); }
.secret-result { display: grid; grid-template-columns: 1fr 2fr auto; align-items: center; gap: .75rem; padding: 1rem 1.15rem; border-top: 1px solid #a8d9cf; background: var(--accent-soft); }
.panel-status { padding: 0 1rem 1rem; }
.danger-button { background: #fff3f3; color: #8d2424; border-color: #e4b4b4; }
.secondary-button { background: white; border-color: var(--line); color: var(--ink); }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .84rem; }
th, td { padding: .78rem 1rem; border-bottom: 1px solid #edf0f1; text-align: left; white-space: nowrap; }
th { color: var(--muted); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; }
td.numeric { font-variant-numeric: tabular-nums; text-align: right; }
.identity { display: flex; align-items: center; gap: .65rem; }
.dot { width: .55rem; height: .55rem; border-radius: 50%; background: var(--accent); flex: none; }
.secondary { display: block; margin-top: .15rem; color: var(--muted); font-size: .72rem; }
.bar { width: 7rem; height: .38rem; border: 0; border-radius: 1rem; overflow: hidden; background: #e4e9ea; }
.bar::-webkit-progress-bar { background: #e4e9ea; }
.bar::-webkit-progress-value { background: var(--accent); }
.bar::-moz-progress-bar { background: var(--accent); }
.two-columns { display: grid; grid-template-columns: 1.25fr .75fr; gap: 1rem; }
.empty { margin-top: 1rem; padding: 3rem; border: 1px dashed #aab6ba; border-radius: .9rem; text-align: center; color: var(--muted); }
.hidden { display: none; }
@media (max-width: 900px) { .cards { grid-template-columns: repeat(2, 1fr); } .two-columns { grid-template-columns: 1fr; } .enrollment-form, .account-form { grid-template-columns: 1fr 1fr; } .secret-result { grid-template-columns: 1fr; } }
@media (max-width: 620px) { .app-header { align-items: start; flex-direction: column; } .cards, .budget-summary { grid-template-columns: 1fr; } .budget-summary > div { border-right: 0; border-bottom: 1px solid var(--line); } .budget-summary > div:last-child { border-bottom: 0; } .budget-footer { flex-direction: column; } .budget-footer details { width: 100%; } .panel-heading { align-items: start; flex-direction: column; } .enrollment-form, .account-form { grid-template-columns: 1fr; } .meter-comparison > div { padding-inline: .55rem; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; } }

/* Pagination commune aux sessions et à l'alternative accessible du graphique. */
.pagination { display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:12px; padding:16px 20px; color:var(--muted, #637078); }
.pagination > div { display:flex; gap:8px; }
.family-link { background:transparent; color:inherit; text-align:left; padding:0; border:0; text-decoration:underline; }
.chart-data { margin-top:16px; }
.chart-data summary { cursor:pointer; padding:12px; }

.meter-reset { stroke-dasharray: 5 4; }

.meter-status.indicative { border-color: #f2a29b; background: #fff1f0; color: #b42318 !important; }