:root{--bg: #101014;--panel: #1a1a22;--panel-2: #23232e;--line: #2e2e3a;--text: #e8e6f0;--muted: #8b8998;--accent: #b345d6;--accent-2: #6f7bf7;--ok: #3fb96f;--warn: #e0a53f;--danger: #e05252;--radius: 10px;--shadow: 0 8px 24px rgba(0, 0, 0, .35);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased}main,header{width:100%}input,select,button{font:inherit;color:var(--text);background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px}input::placeholder{color:var(--muted)}select{width:100%;appearance:none}button{cursor:pointer;transition:transform .06s ease,background .15s ease,border-color .15s ease}button:active{transform:scale(.98)}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}button.primary:disabled{background:var(--panel-2);border-color:var(--line);color:var(--muted)}button.ghost{background:transparent;border-color:var(--line);color:var(--muted)}button.big{font-size:1.05rem;padding:14px 28px}a{color:var(--accent);text-decoration:none}.error{color:var(--danger);font-size:.9rem;text-align:center}header.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}header.topbar .brand{font-size:1.1rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}