:root{
  --bg:#f4f6f5; --card:#fff; --text:#1c2b28; --muted:#6b7a76; --line:#e2e8e6;
  --primary:#0f766e; --primary-ink:#fff; --danger:#b42318; --warn-bg:#fff6e5; --warn:#b54708;
  --ok:#067647; --ok-bg:#ecfdf3; --wa:#25d366; --radius:14px;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#0f1716; --card:#172321; --text:#e6eeec; --muted:#93a39f; --line:#263633;
    --primary:#2bb3a6; --primary-ink:#04201d; --warn-bg:#2a1f0e; --warn:#f5b041; --ok:#4ade80; --ok-bg:#0f2a1c; --danger:#f97066; }
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Arabic",Tahoma,sans-serif}
a{color:var(--primary)}
h1{font-size:1.45rem;margin:.2em 0 .4em} h2{font-size:1.1rem;margin:.2em 0 .5em}
small{font-size:.82rem}
.top{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:var(--primary);color:var(--primary-ink)}
.top a{color:var(--primary-ink);text-decoration:none;font-weight:600}
.top nav{display:flex;gap:14px;font-size:.92rem}
.brand{display:flex;align-items:center;gap:8px;font-size:1.15rem}
.brand img{width:28px;height:28px;border-radius:7px}
.wrap{max-width:760px;margin:0 auto;padding:16px}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin:0 0 14px;color:inherit;text-decoration:none}
.card.narrow{max-width:420px;margin:24px auto}
.card.alert{border-color:var(--warn);background:var(--warn-bg)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.dart-card p{margin:.25em 0}
.row{display:flex;align-items:center} .between{justify-content:space-between;gap:10px} .gap{gap:10px} .grow{flex:1;min-width:0}
.wrap-row{flex-wrap:wrap;margin-top:10px}
.center{text-align:center} .mt{margin-top:12px} .muted{color:var(--muted)}
.late{color:var(--danger);font-weight:600} .ok-txt{color:var(--ok);font-weight:600}
label{display:block;margin:0 0 12px;font-weight:600;font-size:.92rem}
input,select{display:block;width:100%;margin-top:5px;padding:11px 12px;font:inherit;color:inherit;background:var(--bg);border:1px solid var(--line);border-radius:10px}
input:focus,select:focus{outline:2px solid var(--primary);outline-offset:1px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 14px;font:inherit;font-weight:600;font-size:.92rem;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:10px;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn.primary{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}
.btn.danger{color:var(--danger);border-color:var(--danger);background:transparent}
.btn.wa{background:var(--wa);border-color:var(--wa);color:#063b1d}
.btn.small{padding:6px 10px;font-size:.82rem}
.btn.block{display:flex;width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed}
summary.btn{list-style:none} summary::-webkit-details-marker{display:none}
details>summary{cursor:pointer}
.icon{width:34px;height:34px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--text);cursor:pointer;font-size:.8rem}
.icon.danger{color:var(--danger)} .icon:disabled{opacity:.3}
form.inline{display:inline-flex;gap:4px;margin:0}
.flash{padding:10px 14px;border-radius:10px;margin:0 0 14px;background:var(--ok-bg);color:var(--ok);font-weight:600}
.flash.err{background:var(--warn-bg);color:var(--danger)}
.badge{font-size:.75rem;font-weight:700;padding:3px 9px;border-radius:99px;background:var(--line);white-space:nowrap}
.badge.active{background:var(--primary);color:var(--primary-ink)} .badge.finished{background:var(--ok-bg);color:var(--ok)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:10px 0}
.stats div{background:var(--bg);border-radius:10px;padding:8px 10px}
.stats small{display:block;color:var(--muted)} .stats strong{font-size:1.02rem}
.progress{height:8px;background:var(--line);border-radius:99px;overflow:hidden;margin-top:6px}
.progress span{display:block;height:100%;background:var(--primary)}
.highlight{margin-top:10px;padding:12px;border-radius:10px;background:var(--ok-bg);color:var(--ok);font-weight:700}
ol.members,ul.members,ul.late-list,ul.payments{list-style:none;margin:0;padding:0}
.members li,.late-list li{display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.members li:last-child,.late-list li:last-child{border-bottom:0}
.members small,.late-list small{display:block}
ol.members{counter-reset:m} ol.members li{counter-increment:m}
ol.members li::before{content:counter(m);display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--primary);color:var(--primary-ink);font-weight:700;font-size:.85rem}
.add-member{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.add-member input{margin:0} .add-member input[name=name]{grid-column:1/-1}
.add-member .btn{grid-column:1/-1}
@media (min-width:640px){.add-member{grid-template-columns:2fr 1.3fr 1.6fr auto}.add-member input[name=name],.add-member .btn{grid-column:auto}}
.round{border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin:0 0 10px}
.round summary{display:flex;align-items:center;gap:10px}
.round .num{display:grid;place-items:center;width:34px;height:34px;flex:none;border-radius:50%;background:var(--bg);font-weight:700}
.round.done{opacity:.7} .round.done .num{background:var(--ok-bg);color:var(--ok)}
.round.overdue{border-color:var(--warn)} .round.overdue .num{background:var(--warn-bg);color:var(--warn)}
ul.payments{margin-top:10px}
.payments form{margin:0}
.pay{display:flex;align-items:center;gap:10px;width:100%;padding:9px 6px;font:inherit;color:inherit;background:none;border:0;border-bottom:1px solid var(--line);cursor:pointer;text-align:start}
.pay .box{display:grid;place-items:center;width:24px;height:24px;flex:none;border:2px solid var(--line);border-radius:6px;font-weight:700}
.pay.yes .box{background:var(--ok);border-color:var(--ok);color:#fff}
.table{width:100%;border-collapse:collapse;font-size:.92rem}
.table th,.table td{padding:8px 6px;border-bottom:1px solid var(--line);text-align:start}
.table tr.me{background:var(--ok-bg);font-weight:700}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:10px 16px;border-radius:10px;font-weight:600;z-index:10}

.creds{border:2px dashed var(--primary);border-radius:12px;padding:12px;margin:10px 0;background:var(--ok-bg)}
.creds p{margin:0 0 6px}
.cred{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 0;border-top:1px solid var(--line)}
.cred small{display:block}
code{font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:700;background:var(--bg);padding:1px 6px;border-radius:5px;direction:ltr;unicode-bidi:isolate}
.dart-card .highlight{margin-top:8px;padding:8px 10px;font-size:.9rem}
.cred .grow,ul.acc li .grow{flex-basis:100%}
@media (min-width:640px){.cred .grow,ul.acc li .grow{flex-basis:0}}

.tabs{display:flex;gap:4px;max-width:760px;margin:0 auto;padding:10px 16px 0}
.tabs a{flex:1;text-align:center;padding:10px 8px;border-radius:10px;text-decoration:none;color:var(--muted);font-weight:600;background:var(--card);border:1px solid var(--line)}
.tabs a.on{color:var(--primary-ink);background:var(--primary);border-color:var(--primary)}
.cred-banner{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 12px;margin:8px 0;border-radius:10px;background:var(--ok-bg);color:var(--ok);font-weight:600;font-size:.9rem}
.badge.temp{background:var(--warn-bg);color:var(--warn)}
.acct{padding:12px 14px;margin-bottom:10px}
.acct>small{display:block;margin-top:4px}
.search{margin:0 0 12px}
details.more{position:relative}
details.more summary{display:grid;place-items:center;list-style:none}
details.more .menu{position:absolute;inset-inline-end:0;top:38px;z-index:4;min-width:210px;background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:0 6px 20px rgba(0,0,0,.12);overflow:hidden}
details.more .menu form{margin:0}
details.more .menu button{display:block;width:100%;padding:11px 14px;font:inherit;text-align:start;color:var(--text);background:none;border:0;cursor:pointer}
details.more .menu button:hover{background:var(--bg)}
details.more .menu button.danger{color:var(--danger)}

.install{display:flex;align-items:center;gap:10px;padding:12px 14px;margin:0 0 14px;border-radius:12px;background:var(--card);border:1px solid var(--primary)}
.install[hidden]{display:none}
.install small{color:var(--muted);font-weight:400}
.foot{max-width:760px;margin:10px auto 0;padding:18px 16px 28px;text-align:center;font-size:.8rem;color:var(--muted);border-top:1px solid var(--line)}
.icon.plus{color:var(--primary);font-weight:700;border-color:var(--primary)}
/* Saisie en majuscules (noms) */
input[name=name]{text-transform:uppercase}
input[name=name]::placeholder{text-transform:none}