:root { --bg: #0f1220; --panel: #171b2e; --line: #2a3153; --text: #e8ecff; --brand: #5b8cff; --ok: #37d67a; --muted: #8a93b8; --bad: #ff5d6c; }
* { box-sizing: border-box; margin: 0; padding: 0; font-family: system-ui, sans-serif; }
body { background: var(--bg); color: var(--text); min-height: 100vh; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.input { width: 100%; background: #1f2540; border: 1px solid var(--line); color: #fff; padding: 12px; border-radius: 8px; margin-bottom: 12px; outline: none; }
.btn { background: var(--brand); color: #fff; border: none; padding: 12px 20px; border-radius: 8px; cursor: pointer; font-size: 16px; width: 100%; }
.btn:disabled { opacity: 0.5; }
a { text-decoration: none; color: inherit; }