:root{--ui-height:40px;--ui-border-radius:4px;--ui-padding-x:1rem;--ui-font-size:0.95rem;--ui-transition:all 0.2s;--ui-color-primary:#007bff;--ui-color-primary-hover:#0069d9;--ui-color-success:#2ed573;--ui-color-warning:#ffa000;--ui-color-error:#ff4757;--ui-color-info:#1e90ff;--ui-text-on-primary:#ffffff}.ui-control{height:var(--ui-height);display:inline-flex;align-items:center;justify-content:center;padding:0 var(--ui-padding-x);border-radius:var(--ui-border-radius);font-size:var(--ui-font-size);border:1px solid var(--border-color);background-color:white;color:var(--text-color);text-decoration:none;font-weight:600;transition:var(--ui-transition);box-sizing:border-box;font-family:inherit;line-height:1}.ui-control:hover{border-color:var(--ui-color-primary);background-color:var(--bg-color)}.ui-control:focus{outline:none;border-color:var(--ui-color-primary);box-shadow:0 0 0 3px rgba(0,123,255,0.25)}.ui-control.is-disabled{opacity:0.5;cursor:not-allowed;pointer-events:none;filter:grayscale(0.5)}.icon{width:20px;height:20px;flex-shrink:0;display:inline-block;stroke-width:2}.ui-alert{display:flex;align-items:center;gap:0.8rem;padding:0.8rem 1.2rem;border-radius:var(--ui-border-radius);margin-bottom:1.5rem;border:1px solid transparent;line-height:1.5}.ui-alert-icon{width:22px;height:22px;flex-shrink:0}.ui-alert-info{background:#e3f2fd;border-color:#bbdefb;color:#0d47a1}.ui-alert-success{background:#e8f5e9;border-color:#c8e6c9;color:#1b5e20}.ui-alert-warning{background:#fff8e1;border-color:#ffe082;color:#5d4037}.ui-alert-error{background:#ffebee;border-color:#ffcdd2;color:#b71c1c}.ui-alert a{color:inherit;text-decoration:underline;font-weight:600}.ui-alert a:hover{text-decoration:none}