:root{color-scheme:dark;--kb-bg:#0a0a0f;--kb-bg-soft:#0e0e15;--kb-panel:#101018;--kb-panel-raised:#15151f;--kb-border:#1d1d29;--kb-border-strong:#2a2a3a;--kb-text:#e8e8f0;--kb-muted:#8b8b9e;--kb-faint:#5c5c70;--kb-primary:#6366f1;--kb-primary-hover:#7679f5;--kb-primary-soft:rgba(99,102,241,0.14);--kb-green:#22c55e;--kb-green-soft:rgba(34,197,94,0.13);--kb-red:#ef4444;--kb-red-soft:rgba(239,68,68,0.13);--kb-orange:#f59e0b;--kb-orange-soft:rgba(245,158,11,0.14);--kb-gray-soft:rgba(139,139,158,0.14);--kb-radius:10px;--kb-radius-sm:7px;--kb-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;background:var(--kb-bg);color:var(--kb-text);font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--kb-primary);text-decoration:none}.mono{font-family:var(--kb-mono);letter-spacing:.02em}.muted{color:var(--kb-muted)}.faint{color:var(--kb-faint)}.nowrap{white-space:nowrap}.top-nav{position:-webkit-sticky;position:sticky;top:0;z-index:20;gap:28px;height:56px;padding:0 28px;background:rgba(10,10,15,.92);border-bottom:1px solid var(--kb-border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.top-nav,.top-nav__brand{display:flex;align-items:center}.top-nav__brand{gap:9px;font-size:15px;font-weight:600;color:var(--kb-text);letter-spacing:.02em}.top-nav__logo{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:7px;background:linear-gradient(140deg,var(--kb-primary),#a855f7);color:#fff;font-size:12px;font-weight:700}.top-nav__tabs{display:flex;align-items:center;gap:4px}.top-nav__tab{padding:6px 13px;border-radius:var(--kb-radius-sm);color:var(--kb-muted);font-size:13.5px;transition:background .15s,color .15s}.top-nav__tab:hover{color:var(--kb-text);background:rgba(255,255,255,.04)}.top-nav__tab--active{color:#fff;background:var(--kb-primary-soft);box-shadow:inset 0 0 0 1px rgba(99,102,241,.35)}.top-nav__right{display:flex;align-items:center;gap:14px;margin-left:auto}.top-nav__user{color:var(--kb-muted);font-size:13px}.page{max-width:1560px;margin:0 auto;padding:26px 28px 64px}.page-header{display:flex;align-items:flex-start;gap:16px;margin-bottom:18px}.page-header__titles{min-width:0}.page-title{margin:0;font-size:19px;font-weight:600;letter-spacing:.01em}.page-subtitle{margin:3px 0 0;color:var(--kb-muted);font-size:13px}.page-header__actions{display:flex;align-items:center;gap:10px;margin-left:auto}.card{background:var(--kb-panel);border:1px solid var(--kb-border);border-radius:var(--kb-radius);overflow:hidden}.card__header{padding:14px 18px;border-bottom:1px solid var(--kb-border);font-size:14px;font-weight:600}.card__body{padding:18px}.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));grid-gap:10px;gap:10px;margin-bottom:16px}.stat{padding:12px 14px;background:var(--kb-panel);border:1px solid var(--kb-border);border-radius:var(--kb-radius)}.stat__label{color:var(--kb-muted);font-size:12px}.stat__value{margin-top:2px;font-size:20px;font-weight:600;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:34px;padding:0 14px;border:1px solid var(--kb-border-strong);border-radius:var(--kb-radius-sm);background:var(--kb-panel-raised);color:var(--kb-text);font-family:inherit;font-size:13.5px;cursor:pointer;transition:background .15s,border-color .15s,opacity .15s;white-space:nowrap}.btn:hover:not(:disabled){background:#1c1c28;border-color:#35354a}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--kb-primary);border-color:var(--kb-primary);color:#fff;font-weight:500}.btn--primary:hover:not(:disabled){background:var(--kb-primary-hover);border-color:var(--kb-primary-hover)}.btn--danger{color:#fca5a5;border-color:rgba(239,68,68,.35);background:var(--kb-red-soft)}.btn--danger:hover:not(:disabled){background:rgba(239,68,68,.22);border-color:rgba(239,68,68,.5)}.btn--ghost{background:transparent;border-color:transparent;color:var(--kb-muted)}.btn--ghost:hover:not(:disabled){background:rgba(255,255,255,.05);border-color:transparent;color:var(--kb-text)}.btn--sm{height:28px;padding:0 10px;font-size:12.5px}.btn--block{width:100%}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border:1px solid transparent;border-radius:var(--kb-radius-sm);background:transparent;color:var(--kb-muted);cursor:pointer;transition:background .15s,color .15s,border-color .15s}.icon-btn:hover:not(:disabled){background:rgba(255,255,255,.06);border-color:var(--kb-border-strong);color:var(--kb-text)}.icon-btn:disabled{opacity:.35;cursor:not-allowed}.icon-btn--danger:hover:not(:disabled){background:var(--kb-red-soft);border-color:rgba(239,68,68,.4);color:#fca5a5}.icon-btn--ok:hover:not(:disabled){background:var(--kb-green-soft);border-color:rgba(34,197,94,.4);color:#86efac}.row-actions{display:flex;align-items:center;gap:2px;justify-content:flex-end}.field{display:block;margin-bottom:14px}.field__label{display:block;margin-bottom:6px;color:var(--kb-muted);font-size:12.5px}.field__hint{margin-top:6px;color:var(--kb-faint);font-size:12px;line-height:1.5}.field-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}.input,.select,.textarea{width:100%;height:36px;padding:0 11px;border:1px solid var(--kb-border-strong);border-radius:var(--kb-radius-sm);background:var(--kb-bg-soft);color:var(--kb-text);font-family:inherit;font-size:13.5px;outline:none;transition:border-color .15s,box-shadow .15s}.textarea{height:auto;padding:8px 11px;resize:vertical;line-height:1.6}.input:focus,.select:focus,.textarea:focus{border-color:var(--kb-primary);box-shadow:0 0 0 3px rgba(99,102,241,.18)}.input::placeholder,.textarea::placeholder{color:#4a4a5c}.input:disabled,.select:disabled,.textarea:disabled{opacity:.55;cursor:not-allowed}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:30px;background-image:linear-gradient(45deg,transparent 50%,var(--kb-muted) 50%),linear-gradient(135deg,var(--kb-muted) 50%,transparent 50%);background-position:calc(100% - 15px) 15px,calc(100% - 10px) 15px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}.segmented{display:flex;gap:6px;flex-wrap:wrap}.segmented__item{flex:1 1 auto;min-width:76px;height:32px;padding:0 10px;border:1px solid var(--kb-border-strong);border-radius:var(--kb-radius-sm);background:var(--kb-bg-soft);color:var(--kb-muted);font-family:inherit;font-size:13px;cursor:pointer;transition:all .15s}.segmented__item:hover:not(:disabled){color:var(--kb-text);border-color:#35354a}.segmented__item--active{background:var(--kb-primary-soft);border-color:rgba(99,102,241,.55);color:#c7c9ff}.filters{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px;padding:14px 16px;margin-bottom:14px;background:var(--kb-panel);border:1px solid var(--kb-border);border-radius:var(--kb-radius)}.filters .field{margin-bottom:0}.filters__grow{flex:1 1 220px;min-width:180px}.filters__actions{display:flex;gap:8px;margin-left:auto}.table-wrap{overflow-x:auto;background:var(--kb-panel);border:1px solid var(--kb-border);border-radius:var(--kb-radius)}.table{width:100%;border-collapse:collapse;font-size:13px}.table thead th{position:-webkit-sticky;position:sticky;top:0;padding:11px 14px;background:var(--kb-bg-soft);border-bottom:1px solid var(--kb-border);color:var(--kb-muted);font-size:12px;font-weight:500;text-align:left;white-space:nowrap}.table tbody td{padding:11px 14px;border-bottom:1px solid rgba(29,29,41,.75);vertical-align:middle}.table tbody tr:last-child td{border-bottom:none}.table tbody tr:hover{background:rgba(255,255,255,.017)}.table__actions{text-align:right;white-space:nowrap}.cell-note{display:inline-block;max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}.devices{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.devices--full{color:var(--kb-orange)}.pill{display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 9px;border-radius:999px;font-size:12px;line-height:1;white-space:nowrap}.pill:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}.pill--unused{background:var(--kb-gray-soft);color:#a8a8bd}.pill--active{background:var(--kb-green-soft);color:#4ade80}.pill--disabled{background:var(--kb-red-soft);color:#f87171}.pill--expired{background:var(--kb-orange-soft);color:#fbbf24}.badge-tier{height:21px;padding:0 8px;border-radius:5px;background:var(--kb-primary-soft);box-shadow:inset 0 0 0 1px rgba(99,102,241,.32);color:#b5b7fb;font-size:12px;line-height:1;white-space:nowrap}.badge-tier,.copy-code{display:inline-flex;align-items:center}.copy-code{gap:7px;padding:3px 8px 3px 9px;border:1px solid transparent;border-radius:var(--kb-radius-sm);background:transparent;color:var(--kb-text);font-family:var(--kb-mono);font-size:12.5px;letter-spacing:.03em;cursor:pointer;transition:background .15s,border-color .15s}.copy-code:hover{background:rgba(255,255,255,.05);border-color:var(--kb-border-strong)}.copy-code__hint{color:var(--kb-faint);opacity:0;transition:opacity .15s}.copy-code:hover .copy-code__hint{opacity:1}.copy-code--done{color:#4ade80;border-color:rgba(34,197,94,.4);background:var(--kb-green-soft)}.copy-code--done .copy-code__hint{opacity:1;color:#4ade80}.pagination{display:flex;align-items:center;gap:10px;padding:14px 2px 0;color:var(--kb-muted);font-size:13px}.pagination__spacer{margin-left:auto}.pagination__pages{display:flex;align-items:center;gap:6px}.page-link{display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:30px;padding:0 8px;border:1px solid var(--kb-border-strong);border-radius:var(--kb-radius-sm);background:var(--kb-panel-raised);color:var(--kb-text);font-size:13px}.page-link:hover{background:#1c1c28}.page-link--disabled{opacity:.4;pointer-events:none}.empty{padding:52px 20px;text-align:center;color:var(--kb-muted)}.empty__title{color:var(--kb-text);font-size:14px}.empty__hint{margin-top:6px;font-size:13px;color:var(--kb-faint)}.modal-backdrop{position:fixed;inset:0;z-index:60;display:flex;align-items:flex-start;justify-content:center;padding:60px 16px 40px;overflow-y:auto;background:rgba(4,4,8,.72);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.modal{width:100%;max-width:440px;background:var(--kb-panel);border:1px solid var(--kb-border-strong);border-radius:12px;box-shadow:0 24px 64px rgba(0,0,0,.6);animation:modal-in .16s ease-out}.modal--wide{max-width:620px}@keyframes modal-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}.modal__header{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--kb-border)}.modal__title{margin:0;font-size:15px;font-weight:600}.modal__close{margin-left:auto}.modal__body{padding:18px}.modal__footer{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:14px 18px;border-top:1px solid var(--kb-border)}.modal__footer--split{justify-content:space-between}.alert{padding:9px 12px;margin-bottom:14px;border-radius:var(--kb-radius-sm);font-size:13px}.alert--error{background:var(--kb-red-soft);border:1px solid rgba(239,68,68,.32);color:#fca5a5}.alert--success{background:var(--kb-green-soft);border:1px solid rgba(34,197,94,.32);color:#86efac}.alert--info{background:var(--kb-primary-soft);border:1px solid rgba(99,102,241,.32);color:#b5b7fb}.toast-stack{position:fixed;right:20px;bottom:20px;z-index:90;display:flex;flex-direction:column;gap:8px}.toast{min-width:220px;max-width:380px;padding:10px 14px;border-radius:var(--kb-radius-sm);background:var(--kb-panel-raised);border:1px solid var(--kb-border-strong);box-shadow:0 12px 32px rgba(0,0,0,.5);font-size:13px;animation:modal-in .16s ease-out}.toast--success{border-color:rgba(34,197,94,.45);color:#86efac}.toast--error{border-color:rgba(239,68,68,.45);color:#fca5a5}.auth-shell{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px;background:radial-gradient(900px 460px at 50% -8%,rgba(99,102,241,.16),transparent 70%),var(--kb-bg)}.auth-card{width:100%;max-width:372px;padding:30px 28px 26px;background:var(--kb-panel);border:1px solid var(--kb-border-strong);border-radius:14px;box-shadow:0 24px 64px rgba(0,0,0,.45)}.auth-card__brand{display:flex;align-items:center;justify-content:center;gap:9px;margin-bottom:4px;font-size:16px;font-weight:600}.auth-card__subtitle{margin:0 0 22px;color:var(--kb-muted);font-size:13px;text-align:center}.device-list{display:flex;flex-direction:column;gap:8px}.device{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--kb-border);border-radius:var(--kb-radius-sm);background:var(--kb-bg-soft)}.device--unbound{opacity:.55}.device__main{min-width:0;flex:1 1}.device__code{font-family:var(--kb-mono);font-size:12.5px}.device__meta{color:var(--kb-faint);font-size:12px}.codes-box{max-height:260px;overflow-y:auto;padding:12px 14px;border:1px solid var(--kb-border-strong);border-radius:var(--kb-radius-sm);background:var(--kb-bg-soft);font-family:var(--kb-mono);font-size:12.5px;line-height:1.9;letter-spacing:.03em;white-space:pre}.kv{display:grid;grid-template-columns:88px 1fr;grid-gap:4px 12px;gap:4px 12px;margin-bottom:14px;font-size:13px}.fingerprint,.kv__k{color:var(--kb-muted)}.fingerprint{display:block;overflow-wrap:anywhere;font-family:var(--kb-mono);font-size:12px}.spin{display:inline-block;width:12px;height:12px;border:2px solid rgba(255,255,255,.28);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}