:root{--brand: #432997;--brand-2: #785cc3;--brand-grad: linear-gradient(135deg, #432997 0%, #785cc3 100%);--card: #eae3ff;--muted: #565e6c;--bg: #f6f4fb;--surface: #ffffff;--border: rgba(67, 41, 151, .12);--danger: #c0392b;--ok: #2e7d32;--radius: 14px;--shadow: 0 6px 20px rgba(67, 41, 151, .08)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Poppins,system-ui,sans-serif;background:var(--bg);color:#1c1330;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}.shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:var(--brand-grad);color:#fff;padding:24px 16px;display:flex;flex-direction:column;gap:6px}.sidebar .logo{font-weight:700;font-size:20px;letter-spacing:.3px;margin:4px 8px 22px}.sidebar .logo span{opacity:.75;font-weight:500}.nav-item{display:flex;align-items:center;gap:10px;color:#fff;padding:11px 14px;border-radius:10px;font-size:14px;font-weight:500;opacity:.85}.nav-item:hover{background:#ffffff1f;opacity:1}.nav-item.active{background:#fff3;opacity:1}.nav-badge{margin-left:auto;background:#fff;color:var(--brand);border-radius:999px;font-size:11px;font-weight:700;padding:1px 8px}.sidebar .spacer{flex:1}.sidebar .who{font-size:12px;opacity:.8;padding:8px;word-break:break-all}.main{padding:28px 32px;overflow:auto}.page-title{font-size:24px;font-weight:700;margin:0 0 4px}.page-sub{color:var(--muted);margin:0 0 22px;font-size:14px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:26px}.stat{padding:20px}.stat .n{font-size:30px;font-weight:700;color:var(--brand)}.stat .l{color:var(--muted);font-size:13px;margin-top:2px}.btn{font-family:inherit;font-weight:600;font-size:14px;border:none;border-radius:10px;padding:11px 18px;cursor:pointer;background:var(--brand);color:#fff;transition:opacity .15s}.btn:hover{opacity:.92}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--border)}.btn.sm{padding:7px 12px;font-size:13px}.input,.textarea,.select{font-family:inherit;font-size:14px;width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:10px;background:#fff;color:inherit}.textarea{resize:vertical;min-height:96px}.input:focus,.textarea:focus,.select:focus{outline:2px solid var(--brand-2);outline-offset:-1px}.field{margin-bottom:16px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.error{color:var(--danger);font-size:13px;margin:8px 0}.notice{background:var(--card);color:var(--brand);border-radius:10px;padding:12px 14px;font-size:13px;margin:12px 0}.muted{color:var(--muted)}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--border);font-size:14px}.table th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}.badge{display:inline-block;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600}.badge.admin{background:var(--brand);color:#fff}.badge.customer{background:#ece9f5;color:var(--muted)}.badge.agent{background:#d9edf7;color:#1d6fa5}.login-wrap{min-height:100vh;display:grid;place-items:center;background:var(--brand-grad)}.login-card{width:380px;max-width:92vw;background:#fff;border-radius:18px;padding:32px;box-shadow:0 20px 60px #0003}.login-card h1{margin:0 0 4px;font-size:22px;color:var(--brand)}.login-card p{margin:0 0 22px;color:var(--muted);font-size:14px}.inbox{display:grid;grid-template-columns:340px 1fr;gap:16px;height:calc(100vh - 130px)}.conv-list{overflow:auto;padding:6px}.conv{padding:12px 14px;border-radius:10px;cursor:pointer;border:1px solid transparent}.conv:hover{background:#faf9fe}.conv.active{background:var(--card);border-color:var(--border)}.conv .top{display:flex;justify-content:space-between;align-items:center;gap:8px}.conv .name{font-weight:600;font-size:14px}.conv .preview{color:var(--muted);font-size:13px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thread{display:flex;flex-direction:column;overflow:hidden}.thread-head{padding:14px 18px;border-bottom:1px solid var(--border)}.thread-body{flex:1;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:10px;background:#faf9fe}.bubble{max-width:68%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.4}.bubble.them{align-self:flex-start;background:#fff;border:1px solid var(--border);border-bottom-left-radius:4px}.bubble.me{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:4px}.bubble .meta{font-size:11px;opacity:.7;margin-top:4px}.composer{display:flex;gap:10px;padding:14px;border-top:1px solid var(--border)}.center{display:grid;place-items:center;height:100%;color:var(--muted);font-size:14px}.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}