:root{--bg:#fff;--surface:#f5f5f7;--text:#1a1a1a;--text-muted:#6b6b6b;--border:#dedede;--primary:#2563eb;--primary-hover:#1d4ed8;--danger:#dc2626;--success:#16a34a;--radius:8px;--topbar-h:3.25rem}[data-theme=dark]{--bg:#121212;--surface:#1c1c1e;--text:#f0f0f0;--text-muted:#a0a0a0;--border:#2e2e2e;--primary:#3b82f6;--primary-hover:#60a5fa;--danger:#ef4444;--success:#22c55e}html{font-size:clamp(14px,10px + .3125vw,16px)}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,sans-serif;line-height:1.5}*{box-sizing:border-box}.app-shell{width:100%;min-height:calc(100vh - var(--topbar-h));flex-direction:column;display:flex}.content-container{width:92%;max-width:1400px;margin:0 auto}input,select,textarea{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);font-family:inherit;font-size:1rem}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:-1px}button{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;box-shadow:0 2px 0 var(--border), 0 4px 6px #00000040;padding:.6rem 1.2rem;font-family:inherit;font-size:1rem;font-weight:600;transition:transform 80ms,box-shadow 80ms}button:hover{box-shadow:0 3px 0 var(--border), 0 6px 10px #0000004d;transform:translateY(-1px)}button:active{box-shadow:0 0px 0 var(--border), 0 1px 2px #0000004d;transform:translateY(1px)}button:disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}.icon-button{box-shadow:0 2px 0 var(--border), 0 3px 5px #0003;padding:0}.icon-button:hover{box-shadow:0 3px 0 var(--border), 0 5px 8px #00000040}.icon-button:active{box-shadow:0 0px 0 var(--border), 0 1px 2px #0000004d}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}a:visited{color:var(--primary)}h1{margin:0 0 .5rem;font-size:1.75rem;font-weight:700}h2{margin:1.5rem 0 .75rem;font-size:1.25rem;font-weight:600}p{color:var(--text);margin:0 0 .75rem}label{color:var(--text-muted);margin-bottom:.25rem;font-size:.9rem;font-weight:600;display:block}table{font-size:.95rem}th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em;font-size:.85rem;font-weight:600}@keyframes spin{to{transform:rotate(360deg)}}