:root{--bg-gradient: linear-gradient(160deg, #fff3b0 0%, #ffd6e8 45%, #b8e6ff 100%);--card-bg: #ffffff;--primary: #ff7aa2;--primary-dark: #e85c86;--accent: #5fc9f8;--text: #3a3247;--muted: #8a8398;--danger: #e05656;--radius-lg: 28px;--radius-md: 18px;font-family:Apple SD Gothic Neo,Pretendard,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Ccircle cx='15' cy='15' r='3' fill='%23ffffff' fill-opacity='0.55'/%3E%3Ccircle cx='70' cy='40' r='2' fill='%23ffffff' fill-opacity='0.45'/%3E%3Ccircle cx='40' cy='75' r='2.5' fill='%23ffffff' fill-opacity='0.5'/%3E%3Ccircle cx='88' cy='88' r='2' fill='%23ffffff' fill-opacity='0.45'/%3E%3C/svg%3E"),var(--bg-gradient);background-repeat:repeat,no-repeat;background-attachment:fixed,fixed;background-size:100px 100px,cover;color:var(--text);-webkit-tap-highlight-color:transparent}button{font-family:inherit;cursor:pointer;border:none}.app{position:relative;min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}.app:before,.app:after{content:"";position:fixed;border-radius:50%;filter:blur(50px);pointer-events:none;z-index:0}.app:before{width:260px;height:260px;top:-70px;left:-70px;background:#ffd1e8;opacity:.6}.app:after{width:220px;height:220px;bottom:-60px;right:-60px;background:#bee9ff;opacity:.6}.app>*{position:relative;z-index:1}.kids-home{flex:1;display:flex;flex-direction:column;padding:24px 24px 240px}.cute-cat-mascot{position:fixed;right:12px;bottom:12px;width:220px;height:220px;pointer-events:none;z-index:5;filter:drop-shadow(0 6px 10px rgba(0,0,0,.15))}.cute-cat-mascot svg{width:100%;height:100%;display:block}.kids-home__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.kids-home__header h1{font-size:28px;margin:0}.gear-button{width:56px;height:56px;border-radius:50%;background:var(--card-bg);font-size:26px;box-shadow:0 4px 10px #0000001f;opacity:.7}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;font-size:20px;color:var(--muted);padding:32px}.song-list{display:flex;flex-direction:column;gap:14px}.song-row{background:var(--card-bg);border-radius:var(--radius-lg);padding:12px 20px;display:flex;flex-direction:row;align-items:center;gap:16px;box-shadow:0 6px 16px #0000001a;transition:transform .12s ease;min-height:64px;width:100%;text-align:left}.song-row:active{transform:scale(.98)}.song-row__title{font-size:20px;font-weight:700;text-align:left;flex:1}.song-thumb{border-radius:50%;overflow:hidden;background:linear-gradient(135deg,#ffe29f,#ffa9c6);display:flex;align-items:center;justify-content:center}.song-thumb img{width:100%;height:100%;object-fit:cover}.song-thumb--large{width:200px;height:200px;font-size:72px}.song-thumb--row{width:64px;height:64px;font-size:28px;flex-shrink:0}.song-thumb--small{width:48px;height:48px;font-size:22px;flex-shrink:0}.player{flex:1;display:flex;flex-direction:column;align-items:center;padding:24px;gap:16px}.player__top{width:100%;display:flex;justify-content:space-between;align-items:flex-start;position:relative}.icon-button{width:56px;height:56px;border-radius:50%;background:var(--card-bg);font-size:24px;box-shadow:0 4px 10px #0000001f}.player__sleep{position:relative}.sleep-menu{position:absolute;right:0;top:64px;background:var(--card-bg);border-radius:var(--radius-md);box-shadow:0 6px 16px #00000026;display:flex;flex-direction:column;overflow:hidden;z-index:10}.sleep-menu button{background:none;padding:14px 24px;font-size:16px;text-align:left;white-space:nowrap}.sleep-menu button:hover{background:#f5f5f5}.player__title{font-size:24px;text-align:center;margin:0}.player__progress{width:100%;max-width:420px;display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted)}.player__progress input[type=range]{flex:1}.player__controls{width:100%;max-width:480px;display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}.play-button{width:88px;height:88px;border-radius:50%;background:var(--primary);color:#fff;font-size:36px;box-shadow:0 8px 20px #ff7aa280}.play-button:active{transform:scale(.94)}.player__volume{display:flex;align-items:center;gap:8px;flex-basis:100%;justify-content:center;margin-top:8px}.player__volume input{width:160px}.parent-gate{flex:1;display:flex;align-items:center;justify-content:center;padding:24px}.parent-gate__card{background:var(--card-bg);border-radius:var(--radius-lg);padding:32px;display:flex;flex-direction:column;gap:12px;align-items:center;box-shadow:0 10px 30px #00000026;max-width:320px;width:100%}.parent-gate__card input{width:100%;padding:14px;font-size:20px;text-align:center;border:2px solid #eee;border-radius:var(--radius-md)}.parent-gate__actions{display:flex;gap:12px;width:100%;margin-top:8px}.primary-button{background:var(--primary);color:#fff;padding:14px 20px;border-radius:var(--radius-md);font-size:16px;font-weight:700;flex:1}.primary-button:disabled{opacity:.5}.secondary-button{background:#eee;color:var(--text);padding:14px 20px;border-radius:var(--radius-md);font-size:16px;font-weight:700;flex:1}.danger-button{background:var(--danger);color:#fff;padding:8px 14px;border-radius:var(--radius-md);font-size:14px}.parent-panel{flex:1;padding:24px;max-width:640px;margin:0 auto;width:100%;display:flex;flex-direction:column;gap:24px}.parent-panel__header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}.parent-panel__header h2{margin:0}.parent-panel__header .primary-button{flex:none}.parent-panel__section{background:var(--card-bg);border-radius:var(--radius-lg);padding:20px;box-shadow:0 6px 16px #00000014}.parent-panel__section h3{margin-top:0}.muted{color:var(--muted)}.song-manage-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.song-manage-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:8px;border-radius:var(--radius-md);background:#fafafa}.song-manage-row__title{flex:1 1 120px;min-width:0;font-weight:600;overflow-wrap:break-word}.song-manage-row__actions{display:flex;flex-wrap:wrap;gap:6px;flex:0 0 auto}.song-manage-row__actions button:not(.danger-button):not(.edit-button){width:36px;height:36px;border-radius:50%;background:#eee}.song-manage-row__actions .edit-button{padding:8px 14px;border-radius:var(--radius-md);background:#eee;font-size:14px;font-weight:600}.song-manage-row__actions button:disabled{opacity:.3}.song-manage-row--editing{background:#fafafa;border-radius:var(--radius-md);padding:12px}.song-edit-form{display:flex;flex-direction:column;gap:12px;width:100%}.song-edit-form__row{display:flex;align-items:center;gap:12px}.song-edit-form__row input[type=text]{flex:1;padding:10px 12px;border-radius:var(--radius-md);border:2px solid #eee;font-size:16px}.song-edit-form__file{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted);font-weight:600}.song-edit-form__actions{display:flex;gap:10px}.add-song-form{display:flex;flex-direction:column;gap:14px}.add-song-form label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted);font-weight:600}.add-song-form input[type=text]{padding:12px;border-radius:var(--radius-md);border:2px solid #eee;font-size:16px;color:var(--text)}.error-text{color:var(--danger);font-size:14px;margin:0}.settings-row{display:flex;flex-direction:column;gap:10px;margin-bottom:16px;font-weight:600}.settings-row:last-child{margin-bottom:0}.chip-group{display:flex;gap:8px;flex-wrap:wrap}.chip{background:#eee;padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600}.chip--active{background:var(--accent);color:#fff}@media (max-width: 480px){.kids-home{padding:16px 16px 180px}.cute-cat-mascot{width:160px;height:160px;right:8px;bottom:8px}.kids-home__header h1{font-size:22px}.parent-panel{padding:16px;gap:16px}.parent-panel__section{padding:16px}.parent-panel__header .primary-button{font-size:14px;padding:10px 14px}.song-manage-row__actions{width:100%;justify-content:flex-end}}