:root{color-scheme:light;--bg: #f4f6f8;--surface: #ffffff;--text: #14212b;--muted: #5b6b77;--border: #d7dee5;--accent: #0f7a8a;--danger: #b42318;--radius: 10px;font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.45;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;display:grid;grid-template-columns:220px 1fr}.sidebar{background:#10232b;color:#e8f1f4;padding:24px 16px;display:flex;flex-direction:column;gap:8px}.sidebar h1{margin:0 0 16px;font-size:1.1rem}.sidebar a{padding:10px 12px;border-radius:8px;color:#c5d6dd}.sidebar a.active,.sidebar a:hover{background:#ffffff14;color:#fff}.sidebar .spacer{flex:1}.main{padding:24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.toolbar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px;align-items:center}.toolbar input,.toolbar select,.form input,.form select,.form textarea{border:1px solid var(--border);border-radius:8px;padding:8px 10px;background:#fff;min-width:180px}.btn{border:0;border-radius:8px;padding:8px 14px;background:var(--accent);color:#fff}.btn.secondary{background:#e8eef2;color:var(--text)}.btn.danger{background:var(--danger)}.btn:disabled{opacity:.6;cursor:not-allowed}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);vertical-align:top;font-size:.95rem}th{color:var(--muted);font-weight:600}.muted{color:var(--muted)}.error{color:var(--danger);margin:8px 0}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(400px,100%)}.form{display:grid;gap:12px}.form label{display:grid;gap:6px;font-size:.9rem}.form-actions{display:flex;gap:8px;flex-wrap:wrap}.checkbox-row{display:flex;align-items:center;gap:8px}.checkbox-row input{min-width:auto}.joke-text{max-width:420px;white-space:pre-wrap}@media(max-width:800px){.app-shell{grid-template-columns:1fr}.sidebar{flex-direction:row;flex-wrap:wrap;align-items:center}.sidebar .spacer{display:none}}