:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color-scheme:dark;--bg:#0b1020;--panel:#121a2d;--panel2:#18233b;--line:#263451;--text:#f3f6ff;--muted:#9eabc3;--accent:#65a7ff;--success:#39d98a;--danger:#ff6b7a}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#15213b 0,#0b1020 45%);color:var(--text);min-height:100vh}a{color:#b9d5ff;text-decoration:none}button,input,select,textarea{font:inherit}.topbar{display:flex;justify-content:space-between;align-items:center;padding:15px max(18px,calc((100vw - 1180px)/2));border-bottom:1px solid var(--line);background:rgba(8,13,26,.92);position:sticky;top:0;z-index:4;backdrop-filter:blur(10px)}.topbar nav{display:flex;gap:18px;align-items:center;color:var(--muted);font-size:.94rem}.badge,.algo{display:inline-block;margin-left:8px;padding:3px 8px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:.72rem}.container{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:28px 0 50px}.hero{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:8px 0 25px}.hero h1{font-size:clamp(1.8rem,4vw,2.8rem);margin:0 0 8px}.hero p{margin:0;color:var(--muted)}.clock{font-variant-numeric:tabular-nums;font-size:1.4rem;color:#c9d9f6}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}.totp-card,.panel,.empty{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:18px;box-shadow:0 20px 50px rgba(0,0,0,.18)}.totp-card{padding:20px}.card-head,.admin-item-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.card-head h2{margin:0;font-size:1.1rem}.card-head p{margin:5px 0;color:var(--muted);font-size:.9rem}.otp{text-align:center;font-size:clamp(2.6rem,10vw,4.6rem);font-weight:800;letter-spacing:.11em;font-variant-numeric:tabular-nums;margin:24px 0 18px}.timer-row{display:flex;align-items:center;gap:10px}.timer-track{height:7px;background:#273653;border-radius:99px;overflow:hidden;flex:1}.timer-fill{height:100%;background:linear-gradient(90deg,#72b7ff,#7f8cff);transition:width .25s linear}.remaining{width:32px;text-align:right;color:var(--muted);font-variant-numeric:tabular-nums}.copy-btn,.primary,.secondary,.danger-btn,.small-btn{border:0;border-radius:10px;padding:11px 14px;cursor:pointer;font-weight:650}.copy-btn,.primary{background:#e9f2ff;color:#10182a}.copy-btn{width:100%;margin-top:18px}.secondary{background:#243451;color:#e9f2ff}.danger-btn{background:#4a202b;color:#ffd8dc}.small-btn{background:#243451;color:#e9f2ff;padding:7px 10px}.security-note,.muted{color:var(--muted)}.security-note{font-size:.86rem;margin-top:22px}.empty{padding:35px;text-align:center}.empty h2{margin-top:0}.login-body{display:grid;place-items:center;padding:20px}.login-card{width:min(420px,100%);background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.3)}.login-card h1{margin:10px 0 0}.brand-mark{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:#e9f2ff;color:#111a2e;font-weight:900}label{display:block;color:#cbd5e6;font-size:.9rem;margin:14px 0 0}input,select,textarea{width:100%;margin-top:6px;background:#0b1222;color:var(--text);border:1px solid #344463;border-radius:10px;padding:11px 12px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(101,167,255,.12)}textarea{resize:vertical}.full{width:100%;margin-top:18px}.alert{padding:12px 14px;border-radius:11px;margin:12px 0;border:1px solid}.alert.success{background:#123328;border-color:#27664e}.alert.danger{background:#3e1d26;border-color:#73333f}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel{padding:22px}.panel h1{font-size:1.2rem;margin:0 0 12px}.span-all{grid-column:1/-1}.form-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}.panel button{margin-top:14px}.admin-list{display:grid;gap:14px}.admin-item{border:1px solid var(--line);border-radius:14px;padding:16px;background:#0f1728}.admin-item small{display:block;color:var(--muted);margin-top:4px}.assignment-form{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}.check-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px}.check{display:flex;align-items:center;gap:8px;padding:8px;margin:0;background:#111b30;border-radius:9px}.check input{width:auto;margin:0}.check small{display:block}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:#aebbd0;font-weight:650}code{background:#0a1120;padding:2px 5px;border-radius:5px;color:#cfe2ff}
@media(max-width:760px){.admin-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.hero{align-items:flex-start;flex-direction:column}.topbar{align-items:flex-start}.topbar nav{gap:10px;flex-wrap:wrap;justify-content:flex-end}.otp{letter-spacing:.07em}.panel{padding:17px}.container{width:min(100% - 20px,1180px)}}
.qr-status{font-size:.82rem;margin:7px 0 0}
.self-service-panel{margin-top:24px}.section-heading{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.section-heading h1{margin-bottom:6px}.two-cols{grid-template-columns:1fr 1fr}.advanced-settings{margin-top:16px;border:1px solid var(--line);border-radius:12px;background:#0f1728;padding:12px 14px}.advanced-settings summary{cursor:pointer;color:#cfe2ff;font-weight:650}.advanced-settings[open] summary{margin-bottom:4px}.remove-account-form{margin-top:8px;text-align:center}.text-danger-btn{background:transparent;border:0;color:#ff9ba6;cursor:pointer;padding:8px 10px;font:inherit;font-size:.86rem}.text-danger-btn:hover{text-decoration:underline}@media(max-width:760px){.two-cols{grid-template-columns:1fr}.section-heading{flex-direction:column}.section-heading .badge{margin-left:0}}