:root{--primary: #1a5fb4;--primary-dark: #144a8f;--on-primary: #ffffff;--bg: #f6f8fa;--surface: #ffffff;--text: #1c1e21;--text-muted: #5f6672;--border: #d9dee5;--danger: #c01c28;--success: #26a269;--radius: 10px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.5}h1,h2,h3{line-height:1.25;margin:0 0 .5rem}h1{font-size:1.4rem}h2{font-size:1.15rem}h3{font-size:1rem}a{color:var(--primary)}.app-header{background:var(--surface);border-bottom:1px solid var(--border);padding:.6rem 1rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap;position:sticky;top:0;z-index:10}.app-header .brand{font-weight:700;color:var(--primary);text-decoration:none;font-size:1.05rem}.app-header nav{display:flex;gap:.25rem;flex:1}.app-header nav a{text-decoration:none;color:var(--text-muted);padding:.35rem .7rem;border-radius:999px;font-size:.95rem}.app-header nav a.active{background:color-mix(in srgb,var(--primary) 12%,transparent);color:var(--primary);font-weight:600}.app-header .user{font-size:.85rem;color:var(--text-muted)}main{max-width:720px;margin:0 auto;padding:1rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;margin-bottom:1rem}.card.accent{border-left:4px solid var(--primary)}.muted{color:var(--text-muted);font-size:.9rem}button,.btn{font:inherit;border:none;border-radius:999px;padding:.5rem 1.1rem;cursor:pointer;background:var(--primary);color:var(--on-primary);font-weight:600;text-decoration:none;display:inline-block}button:hover:not(:disabled){background:var(--primary-dark)}button:disabled{opacity:.5;cursor:default}button.secondary{background:transparent;color:var(--primary);border:1px solid var(--border)}button.secondary:hover:not(:disabled){background:color-mix(in srgb,var(--primary) 8%,transparent)}button.danger{background:transparent;color:var(--danger);border:1px solid var(--border)}button.danger:hover:not(:disabled){background:color-mix(in srgb,var(--danger) 8%,transparent)}button.chip{background:var(--surface);color:var(--text);border:1px solid var(--border);font-weight:500;padding:.4rem .85rem;font-size:.92rem}button.chip:hover:not(:disabled){background:color-mix(in srgb,var(--primary) 8%,transparent);border-color:var(--primary)}button.chip.selected{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.chip-row{display:flex;flex-wrap:wrap;gap:.5rem;margin:.5rem 0}label{display:block;font-size:.88rem;font-weight:600;margin:.75rem 0 .25rem}input,select,textarea{font:inherit;width:100%;padding:.5rem .7rem;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text)}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:-1px}.row{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}.row.between{justify-content:space-between}.error{color:var(--danger);background:color-mix(in srgb,var(--danger) 8%,transparent);border-radius:8px;padding:.5rem .75rem;margin:.5rem 0;font-size:.92rem}.notice{color:var(--success);background:color-mix(in srgb,var(--success) 10%,transparent);border-radius:8px;padding:.5rem .75rem;margin:.5rem 0;font-size:.92rem}.tag{display:inline-block;font-size:.75rem;font-weight:600;padding:.1rem .55rem;border-radius:999px;background:color-mix(in srgb,var(--primary) 12%,transparent);color:var(--primary)}.tag.warn{background:color-mix(in srgb,#e5a50a 18%,transparent);color:#7a5800}ul.plain{list-style:none;margin:0;padding:0}ul.plain li{border-top:1px solid var(--border);padding:.65rem 0}ul.plain li:first-child{border-top:none}.center{text-align:center;padding:3rem 1rem;color:var(--text-muted)}.demo-banner.svelte-1n46o8q{background:#1f6f5c;color:#eafff7;font-size:.85rem;text-align:center;padding:.5rem 1rem;line-height:1.35}