:root{--bg:#f4f6fb;--panel:#fff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--accent:#6d28d9;--accent2:#8b5cf6;--danger:#dc2626;--success:#059669;--warning:#d97706;--shadow:0 12px 35px rgba(17,24,39,.09)}
html[data-theme="dark"]{--bg:#0b1020;--panel:#12192b;--text:#f8fafc;--muted:#9ca3af;--line:#263044;--accent:#8b5cf6;--accent2:#a78bfa;--shadow:0 12px 35px rgba(0,0,0,.3)}
*{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(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.muted{color:var(--muted)}.auth-screen{min-height:100vh;display:grid;place-items:center;padding:22px;background:radial-gradient(circle at top right,rgba(124,58,237,.18),transparent 35%),var(--bg)}.auth-card{width:min(440px,100%);background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:var(--shadow);text-align:center}.brand-logo{width:62px;height:62px;border-radius:18px;margin:0 auto 14px;display:grid;place-items:center;background:linear-gradient(145deg,var(--accent),#111827);color:#fff;font-weight:900;font-size:26px}.brand-logo.small{width:42px;height:42px;border-radius:13px;margin:0}.form-stack{display:grid;gap:14px;text-align:left;margin-top:24px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}label{font-size:13px;font-weight:700;display:grid;gap:7px}input,select,textarea{width:100%;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:12px;padding:11px 12px;outline:none}textarea{min-height:100px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(124,58,237,.12)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line);background:var(--panel);color:var(--text);padding:10px 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12px;border-radius:12px;text-align:left}.nav.active,.nav:hover{background:var(--bg);color:var(--text)}.nav em{margin-left:auto}.sidebar-bottom{margin-top:auto;display:grid}.danger-text{color:var(--danger)}.main{min-width:0}.topbar{height:76px;position:sticky;top:0;z-index:8;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:13px 24px}html[data-theme="dark"] .topbar{background:rgba(18,25,43,.9)}.topbar h2{margin:0;font-size:20px}.topbar p{margin:3px 0 0;font-size:12px}.top-actions{display:flex;align-items:center;gap:10px}.search-field{width:250px;padding:9px 12px}.avatar{width:40px;height:40px;border-radius:50%;border:0;background:linear-gradient(135deg,var(--accent),#111827);color:#fff;font-weight:900}.icon-btn{position:relative;color:var(--text);font-size:20px}.presence{width:10px;height:10px;border-radius:50%}.presence.online{background:#22c55e}.presence.busy{background:#ef4444}.presence.away{background:#f59e0b}.presence.offline{background:#94a3b8}.content{padding:24px;max-width:1600px;margin:auto}.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 2px 9px rgba(17,24,39,.03)}.hero{background:linear-gradient(135deg,rgba(124,58,237,.16),var(--panel))}.card h3,.card h2{margin:0 0 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button{border:0;background:transparent;color:var(--muted);font-size:11px;padding:2px}.composer{padding:11px;border-top:1px solid var(--line)}.composer-row{display:flex;gap:8px}.composer-row input{flex:1}.typing{height:18px;color:var(--muted);font-size:11px;padding:0 4px}.kanban{display:grid;grid-template-columns:repeat(4,minmax(250px,1fr));gap:14px;overflow:auto}.kanban-col{background:var(--bg);border-radius:15px;padding:12px;min-height:350px}.task-card{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:12px;margin-bottom:9px}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line)}.calendar-cell{min-height:105px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:7px;background:var(--panel)}.event-chip{display:block;background:rgba(124,58,237,.14);border-radius:6px;padding:4px 6px;font-size:11px;margin-top:4px}.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.48);display:grid;place-items:center;padding:18px;z-index:100}.modal{width:min(680px,100%);max-height:90vh;overflow:auto;background:var(--panel);border-radius:20px;padding:22px;box-shadow:var(--shadow)}.modal h3{margin-top:0}.modal-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.notice{padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}.toast{position:fixed;right:20px;bottom:20px;background:#111827;color:#fff;padding:12px 16px;border-radius:12px;z-index:200;box-shadow:var(--shadow)}.mobile-nav{display:none}@media(max-width:1150px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.chat-layout{grid-template-columns:230px 1fr}.chat-details{display:none}}@media(max-width:800px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.topbar{height:68px;padding:11px 14px}.search-field{display:none}.content{padding:14px 14px 82px}.grid-4,.grid-3,.grid-2,.form-grid{grid-template-columns:1fr}.mobile-nav{display:flex;position:fixed;left:0;right:0;bottom:0;background:var(--panel);border-top:1px solid var(--line);z-index:50;justify-content:space-around;padding:8px}.mobile-nav button{border:0;background:transparent;color:var(--muted);display:grid;gap:2px;font-size:18px}.mobile-nav span{font-size:10px}.chat-layout{grid-template-columns:1fr;height:calc(100vh - 150px)}.chat-sidebar{display:none}.message{max-width:95%}.kanban{grid-template-columns:repeat(4,280px)}}