:root{--ink:#17202a;--muted:#687386;--brand:#5b4bff;--brand2:#12b981;--bg:#f4f6fb;--card:#fff;--danger:#d43c52;--line:#e5e9f2}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg)}a{color:inherit}.topbar{background:#111827;color:white;padding:14px 5%;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:800}.brand span{color:#72f0c4}.nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.nav a{text-decoration:none;color:#dce3ef}.container{width:min(1120px,92%);margin:28px auto}.hero{padding:75px 5%;background:linear-gradient(135deg,#171044,#5b4bff 58%,#11a97c);color:#fff}.hero-inner{width:min(1100px,100%);margin:auto}.hero h1{font-size:clamp(36px,7vw,72px);line-height:1.02;margin:0 0 20px;max-width:900px}.hero p{font-size:20px;max-width:720px;color:#e5e2ff}.btn{display:inline-block;border:0;border-radius:10px;background:var(--brand);color:#fff;padding:11px 17px;text-decoration:none;font-weight:700;cursor:pointer}.btn.light{background:#fff;color:#292058}.btn.green{background:var(--brand2)}.btn.danger{background:var(--danger)}.btn.small{padding:8px 12px;font-size:13px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 8px 30px rgba(28,38,65,.05)}.stat strong{display:block;font-size:32px}.muted{color:var(--muted)}h1,h2,h3{margin-top:0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}label{display:block;font-weight:700;font-size:14px;margin-bottom:6px}input,textarea,select{width:100%;padding:11px 12px;border:1px solid #ccd3df;border-radius:9px;font:inherit;background:#fff}textarea{min-height:110px;resize:vertical}.full{grid-column:1/-1}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;text-transform:uppercase;color:var(--muted)}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#e8ecff;color:#4134bd;font-size:12px;font-weight:700}.alert{padding:12px 15px;border-radius:10px;margin-bottom:18px}.alert.success{background:#dff8ee;color:#116b50}.alert.error{background:#ffe4e8;color:#8f1f31}.login{width:min(430px,92%);margin:70px auto}.sidebar-layout{display:grid;grid-template-columns:220px 1fr;gap:24px}.sidebar{background:#111827;color:#fff;border-radius:15px;padding:16px;height:max-content}.sidebar a{display:block;padding:10px;border-radius:8px;text-decoration:none;color:#dce3ef}.sidebar a:hover{background:#273247}.code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#eef1f6;padding:3px 6px;border-radius:5px}.chat{max-height:550px;overflow:auto}.bubble{max-width:78%;padding:10px 13px;border-radius:13px;margin:8px 0;white-space:pre-wrap}.incoming{background:#eef1f6}.outgoing{background:#dcfce7;margin-left:auto}.footer{padding:35px 5%;text-align:center;color:var(--muted)}@media(max-width:760px){.grid,.form-grid,.sidebar-layout{grid-template-columns:1fr}.hero{padding-top:50px}.sidebar{display:flex;overflow:auto}.sidebar a{white-space:nowrap}.topbar{align-items:flex-start;flex-direction:column}.full{grid-column:auto}}