:root{--bg:#f6f8fb;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--green:#16a34a;--red:#dc2626;--orange:#ea580c;--blue:#2563eb;--shadow:0 16px 40px rgba(15,23,42,.10)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#eef6ff 0,#f8fafc 40%,#fff 100%);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink)}button,input,select,textarea{font:inherit}button{border:0;cursor:pointer}textarea{resize:vertical}.login-screen{min-height:100dvh;display:grid;place-items:center;padding:20px}.login-card{width:min(430px,100%);background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border:1px solid rgba(226,232,240,.9);border-radius:30px;padding:28px;box-shadow:var(--shadow)}.brand-mark{width:56px;height:56px;border-radius:18px;background:#0f172a;color:#22c55e;display:grid;place-items:center;font-weight:950;letter-spacing:-1px}.login-card h1{margin:16px 0 8px;font-size:30px}.muted{color:var(--muted);line-height:1.45}.login-card label{display:block;margin:16px 0 6px;font-size:13px;font-weight:800;color:#334155}.login-card input,.login-card select,.quick-form input,.quick-form select,.quick-form textarea{width:100%;border:1px solid var(--line);border-radius:16px;background:#fff;padding:13px 14px;outline:none}.login-card input:focus,.login-card select:focus,.quick-form input:focus,.quick-form textarea:focus{border-color:#60a5fa;box-shadow:0 0 0 4px rgba(96,165,250,.16)}.primary{width:100%;margin-top:18px;border-radius:18px;background:linear-gradient(135deg,#0f172a,#1e293b);color:white;padding:14px 16px;font-weight:900;box-shadow:0 10px 22px rgba(15,23,42,.2)}.primary:active,.soft:active,.ghost:active{transform:scale(.98)}.error{color:#dc2626;font-weight:800}.app{max-width:760px;margin:0 auto;min-height:100dvh;padding:14px 14px 98px}.topbar{position:sticky;top:0;z-index:10;background:rgba(246,248,251,.88);backdrop-filter:blur(14px);padding:10px 0;display:flex;justify-content:space-between;align-items:center}.identity{display:flex;gap:12px;align-items:center}.identity img{width:48px;height:48px;border-radius:16px;background:#fff;object-fit:contain;border:1px solid var(--line);padding:4px}.identity strong{display:block;font-size:18px}.identity span{display:block;color:var(--muted);font-size:12px}.ghost,.soft{border-radius:999px;padding:9px 13px;background:#fff;border:1px solid var(--line);color:#334155;font-weight:800}.sync-strip{display:flex;gap:8px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px 12px;color:var(--muted);font-size:13px;box-shadow:0 8px 20px rgba(15,23,42,.04)}#syncDot{width:9px;height:9px;border-radius:50%;background:#f59e0b}.sync-strip.ok #syncDot{background:#22c55e}.sync-strip.err #syncDot{background:#ef4444}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin:14px 0}.stats-grid article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:13px 8px;text-align:center;box-shadow:0 8px 18px rgba(15,23,42,.045)}.stats-grid b{display:block;font-size:22px}.stats-grid span{font-size:11px;color:var(--muted);font-weight:800}.tabs{position:fixed;left:50%;bottom:10px;transform:translateX(-50%);width:min(732px,calc(100% - 20px));display:grid;grid-template-columns:repeat(4,1fr);gap:6px;background:rgba(15,23,42,.92);backdrop-filter:blur(16px);padding:8px;border-radius:24px;z-index:20;box-shadow:0 18px 50px rgba(15,23,42,.25)}.tabs button{background:transparent;color:#cbd5e1;border-radius:17px;padding:11px 5px;font-size:12px;font-weight:900}.tabs button.active{background:#fff;color:#0f172a}.panel{display:none}.panel.active{display:block}.section-head{display:flex;justify-content:space-between;align-items:center;margin:18px 0 10px}.section-head h2{font-size:22px;margin:0}.quick-form{display:grid;gap:9px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:12px;margin-bottom:12px;box-shadow:0 8px 22px rgba(15,23,42,.045)}.quick-form .primary{margin-top:0}.list{display:grid;gap:10px}.card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:14px;box-shadow:0 10px 24px rgba(15,23,42,.055)}.card.done{background:#ecfdf5;border-color:#86efac}.card.urgent{border-color:#fecaca;box-shadow:0 10px 24px rgba(220,38,38,.08)}.card.retard{background:#fff7ed;border-color:#fed7aa}.card-title{font-weight:900;line-height:1.3}.card-meta{margin-top:7px;color:var(--muted);font-size:12px;line-height:1.4}.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}.tag{font-size:11px;font-weight:900;border-radius:999px;padding:5px 8px;background:#f1f5f9;color:#334155}.tag.red{background:#fee2e2;color:#991b1b}.tag.orange{background:#ffedd5;color:#9a3412}.tag.blue{background:#dbeafe;color:#1d4ed8}.tag.green{background:#dcfce7;color:#166534}.actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}.actions button{flex:1;min-width:104px;border-radius:15px;padding:10px 11px;font-weight:900;background:#f8fafc;border:1px solid var(--line);color:#334155}.actions button.ok{background:#16a34a;color:#fff;border-color:#16a34a}.actions button.warn{background:#fff7ed;color:#9a3412;border-color:#fed7aa}.empty{padding:18px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:22px;background:rgba(255,255,255,.6)}.toast{position:fixed;left:50%;bottom:92px;transform:translateX(-50%);background:#0f172a;color:#fff;padding:12px 16px;border-radius:999px;font-weight:800;box-shadow:0 14px 36px rgba(15,23,42,.25);z-index:50;max-width:calc(100% - 28px);text-align:center}.danger-text{color:#dc2626;font-weight:900}@media(min-width:640px){.app{padding-top:22px}.quick-form{grid-template-columns:1fr auto}.quick-form textarea,.quick-form input:nth-child(1){grid-column:1/-1}.quick-form .primary{width:auto;min-width:140px}.login-card{padding:34px}.tabs{position:sticky;bottom:auto;top:78px;transform:none;left:auto;width:100%;margin:10px 0 4px}.app{padding-bottom:30px}}
/* V2 mobile personnelle : séparation perso / commun / chat */
.stats-grid{grid-template-columns:repeat(5,1fr)}
.tabs{grid-template-columns:repeat(5,1fr)}
.subhead{font-size:15px;margin:16px 2px 8px;color:#334155;text-transform:uppercase;letter-spacing:.06em}.hint{margin:-4px 0 12px;color:var(--muted);font-size:13px;line-height:1.45}.chat-form{grid-template-columns:1fr}.chat-filters{display:flex;gap:8px;margin:10px 0 12px;overflow:auto}.chat-filters button{white-space:nowrap;border-radius:999px;padding:9px 12px;font-weight:900;background:#fff;border:1px solid var(--line);color:#334155}.chat-filters button.active{background:#0f172a;color:#fff;border-color:#0f172a}.message-card.mine{background:#f8fafc}.message-card .card-title{margin-top:8px;font-weight:800}.quick-form select[hidden]{display:none!important}
@media(max-width:420px){.stats-grid{grid-template-columns:repeat(5,1fr);gap:6px}.stats-grid article{padding:10px 4px;border-radius:16px}.stats-grid b{font-size:19px}.stats-grid span{font-size:10px}.tabs{gap:4px;padding:7px;border-radius:22px}.tabs button{font-size:11px;padding:10px 3px}}
@media(min-width:640px){.chat-form{grid-template-columns:1fr 1fr auto}.chat-form textarea{grid-column:1/-1}.chat-form .primary{grid-column:auto}}


/* V2.7 - fil de chat */
.chat-list{
  max-height:52vh;
  overflow:auto;
  padding:10px 6px 18px;
  background:#f4f7fb;
  border:1px solid #e0e7f1;
  border-radius:24px;
}
.day-sep{
  width:max-content;
  max-width:80%;
  margin:12px auto;
  padding:6px 12px;
  border-radius:999px;
  background:#e7edf6;
  color:#667085;
  font-size:12px;
  font-weight:800;
  text-transform:capitalize;
}
.chat-bubble{
  max-width:84%;
  margin:8px 0;
  padding:11px 13px;
  border-radius:20px;
  box-shadow:0 8px 18px rgba(15,23,42,.08);
  clear:both;
}
.chat-bubble.mine{
  margin-left:auto;
  background:#102033;
  color:white;
  border-bottom-right-radius:7px;
}
.chat-bubble.theirs{
  margin-right:auto;
  background:white;
  color:#101828;
  border-bottom-left-radius:7px;
}
.bubble-head{
  display:flex;
  gap:8px;
  align-items:center;
  justify-content:space-between;
  font-size:11px;
  opacity:.82;
  margin-bottom:5px;
}
.bubble-head span{font-weight:700; font-size:10px; opacity:.8;}
.bubble-text{font-size:15px; line-height:1.35; white-space:pre-wrap; word-break:break-word;}
.bubble-time{font-size:10px; opacity:.7; text-align:right; margin-top:6px;}
.chat-bubble.mine .bubble-head, .chat-bubble.mine .bubble-time{color:rgba(255,255,255,.82);}
.bubble-delay{font-size:11px;opacity:.82;margin-top:6px;font-weight:700;color:#b45309;background:rgba(251,191,36,.18);border:1px solid rgba(251,191,36,.35);border-radius:999px;padding:4px 8px;display:inline-block}

/* V2.9 - notifications, rappels, challenges */
[hidden]{display:none!important}.top-actions{display:flex;gap:8px;align-items:center}.ghost.ok-alert{background:#dcfce7;color:#166534;border-color:#86efac}.stats-grid{grid-template-columns:repeat(6,1fr)}.tabs{grid-template-columns:repeat(6,1fr)}@media(max-width:480px){.stats-grid{grid-template-columns:repeat(3,1fr)}.tabs button{font-size:10.5px}.top-actions .ghost{padding:8px 9px;font-size:12px}}
.modal-layer{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:80;display:grid;place-items:center;padding:18px}.modal-card{width:min(440px,100%);background:#fff;border-radius:26px;padding:20px;box-shadow:0 24px 70px rgba(15,23,42,.28)}.modal-card h3{margin:0 0 8px;font-size:20px}.modal-card p{margin:0 0 12px;color:var(--muted)}.modal-task-list{display:grid;gap:8px;margin:12px 0}.modal-task{display:grid;gap:3px;border:1px solid var(--line);border-radius:16px;padding:10px;background:#f8fafc}.modal-task.urgent{border-color:#fecaca;background:#fff1f2}.modal-task b{font-size:12px;color:#334155}.modal-task span{font-weight:800;line-height:1.25}.challenge-card{overflow:hidden}.chal-title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.chal-title-row .soft{white-space:nowrap}.challenge-focus{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0}.challenge-focus div{background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:10px}.challenge-focus span{display:block;color:var(--muted);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.05em}.challenge-focus b{display:block;font-size:24px;margin-top:2px}.progress{height:12px;border-radius:999px;background:#e2e8f0;overflow:hidden;margin:10px 0}.progress i{display:block;height:100%;background:linear-gradient(90deg,#16a34a,#22c55e);border-radius:999px}.ranking-mini{display:grid;gap:6px;margin-top:10px}.rank-row{display:flex;justify-content:space-between;align-items:center;background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:8px 10px;font-size:13px}.rank-row.me{background:#eff6ff;border-color:#93c5fd}.rank-row b{font-size:13px}