*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}:root{--bg: #f6f6f5;--surface: #ffffff;--text: #1a1a1a;--text-muted: #666666;--border: #e2e2e0;--accent: #1e40af;--accent-fg: #ffffff;--danger-bg: #fde8e8;--danger-fg: #b00020}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p{margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.6}input{font:inherit;padding:8px 10px;border:1px solid var(--border);border-radius:4px;background:var(--surface);color:var(--text);width:100%}input:focus{outline:2px solid var(--accent);outline-offset:-1px}.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:16px 12px;display:flex;flex-direction:column}.sidebar__brand{font-weight:600;font-size:16px;padding:8px 12px;margin-bottom:16px}.sidebar__nav{display:flex;flex-direction:column;gap:2px}.sidebar__link{padding:8px 12px;border-radius:4px;color:var(--text);font-size:14px}.sidebar__link:hover{background:var(--bg);text-decoration:none}.sidebar__link.active{background:var(--accent);color:var(--accent-fg)}.main{display:flex;flex-direction:column;min-width:0}.header{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 24px;display:flex;justify-content:space-between;align-items:center}.header__user{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text-muted)}.header__user button{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:4px;padding:4px 10px;font-size:13px}.header__user button:hover{background:var(--bg)}.content{padding:24px;flex:1}.login{display:grid;place-items:center;min-height:100vh;padding:16px}.login__card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:32px;width:100%;max-width:360px}.login__title{font-size:20px;font-weight:600;margin-bottom:24px}.login__field{margin-bottom:16px}.login__label{display:block;font-size:13px;margin-bottom:4px;color:var(--text-muted)}.login__error{background:var(--danger-bg);color:var(--danger-fg);padding:8px 12px;border-radius:4px;font-size:14px;margin-bottom:16px}.login__submit{background:var(--accent);color:var(--accent-fg);border:none;padding:10px 16px;border-radius:4px;font-size:14px;width:100%}.button-primary{background:var(--accent);color:var(--accent-fg);border:none;padding:8px 14px;border-radius:4px;font-size:14px}.button-primary:hover{filter:brightness(1.05)}.users-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:6px;overflow:hidden;font-size:14px}.users-table th,.users-table td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--border)}.users-table th{font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);background:var(--bg)}.users-table tr:last-child td{border-bottom:0}.users-table tbody tr:hover{background:var(--bg)}.users-table__you{color:var(--text-muted);font-size:13px}.users-table__actions{display:flex;gap:6px;justify-content:flex-end}.users-table__actions button{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:4px;padding:4px 10px;font-size:13px}.users-table__actions button:hover:not(:disabled){background:var(--bg)}.user-form{max-width:480px;background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:24px}.user-form__field{margin-bottom:16px}.user-form__label{display:block;font-size:13px;font-weight:500;margin-bottom:4px}.user-form__roles{display:flex;flex-wrap:wrap;gap:8px 16px}.user-form__role{display:inline-flex;align-items:center;gap:6px;font-size:14px;cursor:pointer}.user-form__role input[type=checkbox]{cursor:pointer}.user-form__error{background:var(--danger-bg);color:var(--danger-fg);padding:8px 12px;border-radius:4px;font-size:14px;margin-bottom:16px}.user-form__actions{display:flex;gap:8px;justify-content:flex-end}.user-form__actions button{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:4px;padding:8px 14px;font-size:14px}.user-form__actions button:hover:not(:disabled){background:var(--bg)}