:root{--bg: #fafafa;--fg: #1a1a1a;--muted: #6b7280;--border: #e5e7eb;--accent: #2563eb;--danger: #dc2626;--card: #ffffff;--shadow: 0 1px 2px rgba(0, 0, 0, .04)}@media (prefers-color-scheme: dark){:root{--bg: #0f1115;--fg: #e5e7eb;--muted: #9ca3af;--border: #2a2f37;--accent: #60a5fa;--danger: #f87171;--card: #161a21;--shadow: 0 1px 2px rgba(0, 0, 0, .4)}}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;font-size:15px;line-height:1.5}.app{max-width:720px;margin:0 auto;padding:2rem 1rem 4rem}.app-header h1{margin:0 0 1.25rem;font-size:1.5rem;font-weight:600;letter-spacing:-.01em}.link-form{display:flex;gap:.5rem;margin-bottom:1.5rem}.link-form input[type=url]{flex:1;padding:.6rem .75rem;border:1px solid var(--border);border-radius:6px;background:var(--card);color:var(--fg);font:inherit;outline:none}.link-form input[type=url]:focus{border-color:var(--accent)}.link-form button{padding:.6rem 1.1rem;border:0;border-radius:6px;background:var(--accent);color:#fff;font:inherit;font-weight:500;cursor:pointer}.link-form button:disabled{opacity:.5;cursor:not-allowed}.link-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.link-row{display:flex;align-items:center;gap:1rem;padding:.75rem .9rem;background:var(--card);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow)}.link-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:.15rem}.link-url{color:var(--accent);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}.link-url:hover{text-decoration:underline}.link-time{color:var(--muted);font-size:.85rem}.link-time-abs{opacity:.7}.link-actions{display:flex;align-items:center;gap:.4rem;flex-shrink:0}.link-actions select{padding:.35rem .5rem;border:1px solid var(--border);border-radius:5px;background:var(--card);color:var(--fg);font:inherit;font-size:.85rem;cursor:pointer}.icon-btn{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:5px;background:var(--card);color:var(--fg);cursor:pointer;font-size:.95rem;padding:0}.icon-btn:hover{border-color:var(--accent)}.icon-btn.danger:hover{border-color:var(--danger);color:var(--danger)}.icon-btn:disabled{opacity:.4;cursor:not-allowed}.empty{text-align:center;color:var(--muted);padding:2rem 1rem}.error{color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,transparent);border:1px solid color-mix(in srgb,var(--danger) 30%,transparent);padding:.5rem .75rem;border-radius:6px;margin-bottom:1rem;font-size:.9rem}@media (max-width: 560px){.link-row{flex-direction:column;align-items:stretch;gap:.5rem}.link-actions{justify-content:flex-end}}