:root{--ink:#13233f;--muted:#718096;--line:#e6eaf0;--bg:#f5f7fa;--green:#1faa74;--green-dark:#14845a;--nav:#132943;--danger:#d63c4a;--shadow:0 12px 34px rgba(19,35,63,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}button,input,textarea{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:220px 1fr}aside{position:sticky;top:0;height:100vh;padding:28px 20px;background:var(--nav);color:#fff;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;font-size:18px}.brand-mark{width:52px;height:52px;border-radius:16px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:24px;font-weight:800;box-shadow:0 9px 24px rgba(31,170,116,.25)}.brand-mark.small{width:34px;height:34px;border-radius:10px;font-size:15px}nav{display:grid;gap:7px;margin-top:42px}nav a,.logout{color:#b9c6d5;text-decoration:none;padding:11px 13px;border-radius:9px}nav a.active,nav a:hover{background:rgba(31,170,116,.16);color:#7ee3b7}.logout{margin-top:auto}.content{width:min(1120px,100%);padding:40px;margin:0 auto}header,.toolbar,.section-title,.modal-head,.modal-actions{display:flex;align-items:center;justify-content:space-between;gap:20px}h1,h2,h3,p{margin-top:0}h1{font-size:28px;margin-bottom:0}h2{font-size:20px;margin-bottom:5px}h3{font-size:15px}.eyebrow{font-size:11px;letter-spacing:.12em;color:var(--green-dark);font-weight:800;margin-bottom:7px}.muted{color:var(--muted);font-size:13px}.status{font-size:12px;padding:8px 12px;background:#fff;border:1px solid var(--line);border-radius:999px}.status:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#a7b0bd;margin-right:7px}.status.online:before{background:var(--green)}.card,.empty-state{background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);margin-top:24px}.card{padding:24px}.empty-state{text-align:center;padding:58px 20px}.empty-icon{width:55px;height:55px;background:#e8f8f1;color:var(--green);border-radius:18px;display:grid;place-items:center;margin:0 auto 20px;font-size:27px}.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:8px;padding:10px 15px;text-decoration:none;font-weight:700;font-size:13px;cursor:pointer}.button.primary{border-color:var(--green);background:var(--green);color:#fff}.button.primary:hover{background:var(--green-dark)}.danger-outline{color:var(--danger);border-color:#f0c8cc;margin-top:15px}.toolbar input{width:min(270px,100%)}input,textarea{width:100%;border:1px solid #dbe1e9;border-radius:8px;padding:10px 12px;background:#fff;color:var(--ink);outline:none}input:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(31,170,116,.11)}label{display:grid;gap:7px;font-size:12px;font-weight:700}table{width:100%;border-collapse:collapse;margin-top:18px}th,td{text-align:left;padding:14px 12px;border-top:1px solid var(--line);font-size:13px}th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.05em}td small{display:block;color:var(--muted);margin-top:3px}.center{text-align:center}.settings-card{margin-top:28px}.settings-form{display:grid;gap:22px}.form-section{display:grid;gap:13px;padding:18px 0;border-top:1px solid var(--line)}.grid{display:grid;gap:14px}.grid.two{grid-template-columns:repeat(2,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}details{margin-top:5px}summary{cursor:pointer;color:var(--green-dark);font-size:13px;font-weight:700;margin-bottom:14px}.alert{padding:13px 15px;border-radius:9px;margin-top:20px;font-size:13px}.alert.success{background:#e9f8f1;color:#126c4c}.alert.danger{background:#fff0f1;color:#a6212e}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,#e3f7ef,transparent 30%),var(--bg);padding:20px}.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:18px;padding:40px;box-shadow:var(--shadow)}.login-card .brand-mark{margin-bottom:26px}.stack{display:grid;gap:17px;margin-top:25px}dialog{width:min(520px,calc(100% - 30px));border:0;border-radius:16px;padding:0;box-shadow:0 30px 80px rgba(19,35,63,.25)}dialog::backdrop{background:rgba(9,22,37,.55)}.chat-form{display:grid;gap:18px;padding:25px}.icon-button{border:0;background:transparent;font-size:28px;color:var(--muted);cursor:pointer}.modal-actions{justify-content:flex-end}.table-wrap{overflow:auto}
@media(max-width:760px){.app-shell{display:block}aside{position:static;height:auto;padding:15px 20px;flex-direction:row;align-items:center}.brand strong,aside nav{display:none}.logout{margin:0 0 0 auto}.content{padding:24px 16px}header{align-items:flex-start;flex-direction:column}.card{padding:18px}.toolbar{align-items:stretch;flex-direction:column}.toolbar input{width:100%}.grid.two,.grid.three{grid-template-columns:1fr}th:first-child,td:first-child{min-width:150px}.login-card{padding:28px}}