:root{--bg: #f6f7f9;--surface: #ffffff;--border: #e3e6ea;--text: #1c2430;--muted: #6b7785;--accent: #2f6df6;--accent-contrast: #ffffff;--danger: #c0392b;--sidebar: #fbfcfd;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}.brand{font-weight:700;letter-spacing:.02em}.muted{color:var(--muted)}.error{color:var(--danger);font-size:.9rem}.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:28px}.auth-card{width:360px;display:flex;flex-direction:column;gap:14px}.auth-card h1{font-size:1.25rem;margin:0 0 4px}label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--muted)}input,select{padding:10px 12px;border:1px solid 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