:root{font-family:system-ui,sans-serif;line-height:1.6;--bg: #ffffff;--fg: #1a1a1a;--border: #e2e2e2;--muted: #666666;--primary: #2a7de1;--error: #c62828}@media(prefers-color-scheme:dark){:root{--bg: #15171a;--fg: #e8e8e8;--border: #33363b;--muted: #9a9a9a;--primary: #5aa0f0;--error: #ef6b6b}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg)}.app{max-width:720px;margin:0 auto;padding:24px 16px}.muted{color:var(--muted)}.error{color:var(--error)}.app-header{display:flex;align-items:center;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--border)}.app-header .btn-link{margin-left:auto}.btn-link{background:none;border:none;padding:0;color:var(--muted);cursor:pointer;font:inherit}.login{max-width:420px;margin:12vh auto;padding:0 16px;text-align:center}.login-notice{padding:12px 16px;border:1px solid var(--border);border-radius:8px}.btn-google{display:inline-block;margin-top:16px;padding:12px 24px;border:1px solid var(--border);border-radius:8px;color:var(--fg);text-decoration:none}.trip-list{padding-left:20px}.trip-form{display:flex;flex-direction:column;gap:8px;margin-top:24px}.trip-form-dates{display:flex;gap:8px}.trip-form input,.trip-form button{padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}.trip-form-dates input{flex:1;min-width:0}.trip-form button{background:var(--primary);border-color:var(--primary);color:#fff;cursor:pointer}a{color:var(--primary)}.btn-danger{color:var(--error)}.btn-primary{padding:8px 16px;border:1px solid var(--primary);border-radius:8px;background:var(--primary);color:#fff;font:inherit;cursor:pointer}.trip-title{margin-bottom:0}.day{margin-top:24px;padding-top:12px;border-top:1px solid var(--border)}.day-title{margin:0 0 8px;font-size:17px}.item-list{list-style:none;margin:0 0 8px;padding:0}.item{display:flex;gap:12px;padding:8px 0;cursor:pointer}.item-time{flex:0 0 48px;color:var(--muted);font-variant-numeric:tabular-nums}.item-body{flex:1;min-width:0}.item-memo{font-size:14px;color:var(--muted);white-space:pre-wrap}.item-form{display:flex;flex-direction:column;gap:8px;margin:8px 0}.item-form-row{display:flex;gap:8px}.item-form input,.item-form textarea,.add-day input{padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit;min-width:0}.item-form-row input{flex:1}.item-form-actions{display:flex;align-items:center;gap:16px}.item-form-actions .btn-danger{margin-left:auto}.add-day{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:32px}.tabs{display:flex;gap:4px;margin-top:16px;border-bottom:1px solid var(--border)}.tab{padding:8px 16px;border:none;border-bottom:2px solid transparent;background:none;color:var(--muted);font:inherit;cursor:pointer}.tab.is-active{border-bottom-color:var(--primary);color:var(--fg)}.checklist{margin-top:16px}.check-list{list-style:none;margin:0;padding:0}.check-item{display:flex;align-items:center;gap:12px;padding:6px 0}.check-item label{display:flex;align-items:center;gap:10px;flex:1;min-width:0;cursor:pointer}.check-item input[type=checkbox]{width:20px;height:20px;flex:none}.check-item.is-checked span{color:var(--muted);text-decoration:line-through}.check-add{display:flex;gap:8px;margin-top:12px}.check-add input{flex:1;min-width:0;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}select{padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}.trip-meta{margin:0}.members{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:4px}.invite-link{display:flex;flex-direction:column;gap:4px;width:100%}.invite-link input{padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit;font-size:14px}.tabs{overflow-x:auto}.tab{flex:none}.day-map-toggle{margin-left:12px;font-size:14px;font-weight:400}.map{width:100%;height:280px;margin:8px 0 12px;border-radius:8px;overflow:hidden}.places{margin-top:16px}.place-search{margin:8px 0}.place-list{list-style:none;margin:12px 0 0;padding:0}.place-item{display:flex;align-items:flex-start;gap:12px;padding:8px 0;border-bottom:1px solid var(--border)}.expenses{margin-top:16px}.summary{margin-bottom:20px}.expense-amount{flex:none;font-variant-numeric:tabular-nums}.field{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.check-inline{display:inline-flex;align-items:center;gap:6px}