:root{--bg: #0f172a;--panel: #1e293b;--panel-border: #334155;--text: #e2e8f0;--text-dim: #94a3b8;--accent: #38bdf8;--ok: #4ade80;--warn: #fbbf24;--err: #f87171;font-family:system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}.progress-indeterminate{position:relative;width:100%;height:6px;background:#0b1220;border-radius:4px;overflow:hidden;margin-top:10px}.progress-indeterminate:after{content:"";position:absolute;top:0;left:0;height:100%;width:40%;background:var(--accent);border-radius:4px;animation:progress-indeterminate-slide 1.2s ease-in-out infinite}@keyframes progress-indeterminate-slide{0%{left:-40%}to{left:100%}}body{margin:0;background:var(--bg);background-image:radial-gradient(circle at top left,rgba(56,189,248,.06),transparent 40%);color:var(--text)}.screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.card{background:var(--panel);border:1px solid var(--panel-border);border-radius:12px;padding:32px;width:100%;max-width:380px}.card h1{font-size:20px;margin:0 0 4px}.card p.subtitle{color:var(--text-dim);font-size:13px;margin:0 0 24px}label{display:block;font-size:13px;color:var(--text-dim);margin:14px 0 6px}button{background:var(--panel);border:1px solid var(--panel-border);color:var(--text);border-radius:8px;padding:8px 14px;cursor:pointer;font-size:13px;font-family:inherit;transition:border-color .15s ease,background .15s ease,transform .1s ease}button:hover:not(:disabled){border-color:var(--accent)}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.55;cursor:default}input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--panel-border);background:#0b1220;color:var(--text);font-size:14px}input:focus{outline:2px solid var(--accent);outline-offset:1px}button.primary{width:100%;margin-top:20px;padding:11px;border-radius:8px;border:none;background:var(--accent);color:#0b1220;font-weight:600;font-size:14px;cursor:pointer}button.primary:disabled{opacity:.6;cursor:default}button.link{background:none;border:none;color:var(--text-dim);font-size:12px;cursor:pointer;margin-top:12px}.err-msg{color:var(--err);font-size:13px;margin-top:12px}.qr-box{background:#fff;padding:12px;border-radius:8px;margin:16px 0;display:flex;justify-content:center}.secret-code{font-family:monospace;font-size:13px;word-break:break-all;background:#0b1220;padding:8px 10px;border-radius:6px;color:var(--accent)}.app-shell{max-width:1100px;margin:0 auto;padding:24px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.topbar h1{font-size:18px;margin:0}.tabs{display:flex;gap:4px;margin-bottom:24px;border-bottom:1px solid var(--panel-border);padding-bottom:0}.tab{background:transparent;border:none;border-radius:8px 8px 0 0;color:var(--text-dim);padding:10px 16px;font-size:13px;font-weight:500;position:relative;top:1px}.tab:hover:not(:disabled){color:var(--text);border-color:transparent}.tab.active{color:var(--accent);border-bottom:2px solid var(--accent)}.client-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.client-card{background:var(--panel);border:1px solid var(--panel-border);border-radius:10px;padding:16px;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.client-card:hover{border-color:#3f5573;box-shadow:0 6px 20px #00000040}.section-block{margin-bottom:28px}.section-title{font-size:15px;font-weight:600;margin:0 0 12px;display:flex;align-items:center;gap:8px}.skeleton-group{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.skeleton-card{height:96px;border-radius:10px;background:linear-gradient(90deg,var(--panel) 25%,#26374f 37%,var(--panel) 63%);background-size:400% 100%;animation:skeleton-shimmer 1.4s ease infinite}@keyframes skeleton-shimmer{0%{background-position:100% 50%}to{background-position:0 50%}}.client-card h3{margin:0 0 4px;font-size:15px}.client-card a{color:var(--accent);font-size:12px;text-decoration:none}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.status-active{background:var(--ok)}.status-inactive{background:var(--err)}.status-unknown{background:var(--text-dim)}.metric-row{display:flex;justify-content:space-between;font-size:12px;color:var(--text-dim);margin-top:8px}.empty-state{text-align:center;color:var(--text-dim);padding:60px 20px}