:root{--blue:#0b68ff;--cyan:#17c9e8;--mint:#26e6a6;--violet:#7a2cff;--ink:#10213f;--muted:#71809b;--bg:#f4f7fb;--line:#e5ebf3;--white:#fff;--danger:#d94a5c}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}.topbar{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:10px;font-size:22px}.brand img{width:38px;height:38px;border-radius:11px}.top-actions{display:flex;align-items:center;gap:16px}.shell{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 70px)}.sidebar{background:#fff;border-right:1px solid var(--line);padding:22px 14px}.sidebar nav{display:grid;gap:6px}.sidebar a{padding:12px 14px;border-radius:12px;color:var(--muted);font-weight:650}.sidebar a:hover,.sidebar a.active{background:#eef5ff;color:var(--blue)}.content{padding:34px;max-width:1180px;width:100%;margin:0 auto}.content.wide{max-width:1400px}.hero{background:linear-gradient(135deg,#0b68ff,#17c9e8 56%,#26e6a6);color:#fff;border-radius:24px;padding:32px;box-shadow:0 18px 50px rgba(11,104,255,.17)}h1{margin:0 0 8px;font-size:34px}h2{margin-top:0}.hero p{margin:0;opacity:.9}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:20px}.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 10px 30px rgba(16,33,63,.04)}.pill{display:inline-flex;background:#e9f9f2;color:#15865d;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:750;margin-bottom:14px}.pill.upcoming{background:#f1edff;color:#6c43d8}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 10%,#e9f3ff,transparent 42%),radial-gradient(circle at 90% 0%,#e9fff8,transparent 35%),var(--bg)}.auth-card{width:min(430px,100%);text-align:center}.brand-icon{width:86px;height:86px;border-radius:24px;margin-bottom:8px}.muted{color:var(--muted)}.small{font-size:13px}form{display:grid;gap:14px}label{display:grid;gap:7px;text-align:left;font-weight:650;font-size:14px}input,select{width:100%;border:1px solid #dce4ee;border-radius:12px;padding:13px 14px;font:inherit;background:#fff;outline:none}input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,104,255,.1)}button,.button{border:0;border-radius:12px;background:var(--blue);color:#fff;padding:12px 16px;font-weight:750;font:inherit;cursor:pointer;display:inline-flex;justify-content:center;align-items:center}.ghost{background:#eef3f9;color:var(--ink);padding:9px 12px}.ghost-link{background:#eef3f9;color:var(--ink)}.error,.notice{padding:12px 14px;border-radius:12px;margin:14px 0;text-align:left}.error{background:#fff0f1;color:#b92f42}.notice{background:#edf9f4;color:#187556}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.span-2{grid-column:1/-1}.page-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:16px}.table-card{margin-top:20px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:14px;border-bottom:1px solid var(--line);vertical-align:middle}th{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.status{display:inline-flex;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:700}.status.active{background:#e8f8f0;color:#198057}.status.suspended{background:#fff0f1;color:#b92f42}.small-btn{padding:8px 10px;background:#eef3f9;color:var(--ink);font-size:13px}@media(max-width:760px){.shell{grid-template-columns:1fr}.sidebar{display:none}.content{padding:18px}.grid{grid-template-columns:1fr}.topbar{padding:0 16px}.top-actions>span{display:none}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}h1{font-size:28px}.hero{padding:24px}}
/* Phase 2 · Messagerie */
.chat-shell{height:calc(100vh - 70px);display:grid;grid-template-columns:340px 1fr;background:#fff}.chat-list{border-right:1px solid var(--line);min-width:0;background:#fff;display:flex;flex-direction:column}.chat-list-head{display:flex;align-items:center;justify-content:space-between;padding:22px 18px 12px}.chat-list-head h2{margin:0;font-size:24px}.round-btn{width:40px;height:40px;border-radius:14px;padding:0;font-size:24px}.chat-search{margin:0 16px 14px;width:calc(100% - 32px);background:#f5f8fc}.conv-items{overflow:auto}.conv-item{display:grid;grid-template-columns:48px 1fr auto;gap:12px;align-items:center;padding:12px 16px;border-left:3px solid transparent}.conv-item:hover,.conv-item.active{background:#f2f7ff}.conv-item.active{border-left-color:var(--blue)}.avatar{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:grid;place-items:center;font-weight:800}.avatar.group{background:linear-gradient(135deg,var(--violet),var(--cyan))}.small-avatar{width:38px;height:38px;border-radius:13px}.conv-copy{min-width:0;display:grid}.conv-copy strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-copy span{font-size:12px;color:var(--muted)}.unread{min-width:24px;height:24px;padding:0 7px;border-radius:999px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:12px}.chat-panel{min-width:0;background:linear-gradient(180deg,#f8fbff,#f4f7fb);display:flex;flex-direction:column}.chat-head{height:76px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px}.chat-head h2{margin:0;font-size:20px}.chat-head span{font-size:12px;color:var(--muted)}.message-list{flex:1;overflow:auto;padding:24px 6vw;display:flex;flex-direction:column;gap:9px}.message-row{display:flex}.message-row.mine{justify-content:flex-end}.message-bubble{max-width:min(680px,78%);background:#fff;border:1px solid var(--line);box-shadow:0 5px 18px rgba(16,33,63,.04);border-radius:18px 18px 18px 5px;padding:10px 12px}.message-row.mine .message-bubble{background:#eaf3ff;border-color:#d8e8ff;border-radius:18px 18px 5px 18px}.message-author{font-size:12px;font-weight:800;color:var(--blue);margin-bottom:4px}.message-row.mine .message-author{display:none}.message-text{line-height:1.42;word-break:break-word}.message-meta{display:flex;gap:10px;justify-content:flex-end;align-items:center;margin-top:6px;color:var(--muted);font-size:11px}.receipt-link{background:none;color:var(--muted);padding:0;font-size:11px;font-weight:650}.receipt-link:hover{color:var(--blue)}.composer{display:grid;grid-template-columns:46px 1fr auto;gap:10px;padding:14px 18px;background:#fff;border-top:1px solid var(--line)}.composer textarea{resize:none;border:1px solid #dce4ee;border-radius:16px;padding:12px 14px;font:inherit;max-height:130px;outline:none}.attach-btn{width:46px;height:46px;border-radius:15px;background:#eef5ff;color:var(--blue);display:grid;place-items:center;font-size:25px;cursor:pointer}.file-hint{background:#fff;padding:0 76px 8px;color:var(--muted);font-size:12px}.attachment-card{display:flex;align-items:center;gap:10px;padding:10px;margin-top:8px;border-radius:14px;background:rgba(255,255,255,.8);border:1px solid #dbe7f6}.attachment-card span:nth-child(2){display:grid}.attachment-card small{color:var(--muted)}.attachment-icon{font-size:22px}.empty-chat{margin:auto;text-align:center;padding:40px}.empty-chat img{width:96px;border-radius:26px}.modal{border:0;padding:0;border-radius:22px;box-shadow:0 30px 100px rgba(16,33,63,.25);width:min(540px,92vw)}.modal::backdrop{background:rgba(10,25,50,.35);backdrop-filter:blur(3px)}.modal-card{padding:22px;background:#fff;display:block}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal-head h2{margin:0}.icon-close{background:#eef3f9;color:var(--ink);width:36px;height:36px;padding:0;border-radius:12px;font-size:22px}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:#f1f5fa;padding:5px;border-radius:14px;margin-bottom:16px}.seg{background:transparent;color:var(--muted)}.seg.active{background:#fff;color:var(--blue);box-shadow:0 3px 12px rgba(16,33,63,.08)}.people-list{max-height:320px;overflow:auto;margin:14px 0}.person-row{display:grid;grid-template-columns:auto 38px 1fr;align-items:center;gap:10px;padding:9px 4px}.person-row input{width:18px}.person-row span:last-child{display:grid}.person-row small{color:var(--muted)}.receipt-section h3{font-size:14px;color:var(--muted);margin:18px 0 8px}.receipt-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}
@media(max-width:820px){.chat-shell{grid-template-columns:1fr}.chat-list{display:block}.chat-panel[data-conversation="0"]{display:none}.chat-panel:not([data-conversation="0"]){position:fixed;inset:70px 0 0 0;z-index:7}.message-list{padding:18px 12px}.message-bubble{max-width:88%}.chat-head{padding:0 14px}.composer{padding:10px;grid-template-columns:42px 1fr auto}.composer button{padding:10px 12px}.file-hint{padding-left:62px}.top-actions .button{display:none}}