:root{--bg:#f6f3ee;--panel:#fff;--accent:#ff7a59;--accent-dark:#dd5a3a;--accent-soft:#ffe8e0;--gray:#f0ede6;--gray-dark:#ddd7cb;--text:#3a3530;--muted:#8a8478;--radius:26px}*{box-sizing:border-box}[hidden]{display:none!important}html,body{background:var(--bg);height:100%;color:var(--text);-webkit-tap-highlight-color:transparent;user-select:none;margin:0;padding:0;font-family:Fredoka,"Baloo 2",Comic Sans MS,Trebuchet MS,system-ui,sans-serif;overflow:hidden}#app{flex-direction:column;max-width:900px;height:100vh;margin:0 auto;padding:14px 14px 18px;display:flex}.topbar{justify-content:space-between;align-items:center;padding:4px 4px 10px;display:flex}.logo{color:var(--text);align-items:center;gap:6px;font-size:1.6rem;font-weight:700;display:flex}.topbar-actions{align-items:center;gap:8px;display:flex}.icon-btn{background:var(--panel);width:50px;height:50px;box-shadow:0 4px 0 var(--gray-dark);cursor:pointer;border:none;border-radius:50%;font-size:1.4rem}.icon-btn:active{box-shadow:0 1px 0 var(--gray-dark);transform:translateY(3px)}.mode-toggle{background:var(--panel);color:var(--text);box-shadow:0 4px 0 var(--gray-dark);cursor:pointer;white-space:nowrap;border:none;border-radius:999px;padding:12px 16px;font-family:inherit;font-size:.95rem;font-weight:600}.mode-toggle:active{box-shadow:0 1px 0 var(--gray-dark);transform:translateY(3px)}.voice-picker{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:10px;display:flex}.voice-chip{background:var(--panel);cursor:pointer;box-shadow:0 3px 0 var(--gray-dark);color:var(--text);border:3px solid #0000;border-radius:999px;align-items:center;gap:6px;padding:8px 16px 8px 10px;font-family:inherit;font-size:1rem;font-weight:600;display:flex}.voice-chip .voice-emoji{font-size:1.4rem}.voice-chip.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-dark)}main{flex-direction:column;flex:1;min-height:0;display:flex}.open-screen{flex:1;justify-content:center;align-items:center;display:flex}.open-card{background:var(--panel);border-radius:var(--radius);text-align:center;max-width:420px;box-shadow:0 6px 0 var(--gray-dark);padding:40px 32px}.open-mascot{margin-bottom:10px;font-size:4.5rem}.open-card h1{margin:0 0 8px;font-size:1.5rem}.open-card p{color:var(--muted);margin:0 0 22px;font-size:1rem}.open-btn{cursor:pointer;display:inline-block}.open-error{color:var(--accent-dark);min-height:1.2em;margin-top:14px;font-weight:600}@keyframes bounce{0%,to{transform:translateY(0)scale(1)}50%{transform:translateY(-10px)scale(1.06)}}.bounce{animation:1.4s ease-in-out infinite bounce}.reader-screen{flex-direction:column;flex:1;min-height:0;display:flex}.page-stage{flex:1;justify-content:center;align-items:center;gap:10px;min-height:0;display:flex}.page-canvas-wrap{background:var(--panel);border-radius:var(--radius);height:100%;box-shadow:0 6px 0 var(--gray-dark);flex:1;justify-content:center;align-items:center;padding:10px;display:flex;overflow:hidden}#pageCanvas{border-radius:14px;max-width:100%;max-height:100%}.page-arrow{background:var(--panel);color:var(--accent-dark);width:56px;height:56px;box-shadow:0 4px 0 var(--gray-dark);cursor:pointer;border:none;border-radius:50%;flex-shrink:0;font-size:1.6rem}.page-arrow:active{box-shadow:0 1px 0 var(--gray-dark);transform:translateY(3px)}.page-arrow:disabled{opacity:.35;cursor:default}.reader-controls{justify-content:space-between;align-items:center;gap:10px;padding-top:14px;display:flex}.page-indicator{color:var(--muted);white-space:nowrap;font-weight:600}.control-btn{cursor:pointer;border:none;border-radius:18px;padding:16px 22px;font-family:inherit;font-size:1.1rem;font-weight:700}.control-btn.primary{background:var(--accent);color:#fff;box-shadow:0 5px 0 var(--accent-dark)}.control-btn.primary:active{box-shadow:0 1px 0 var(--accent-dark);transform:translateY(4px)}.control-btn.primary.speaking{background:var(--accent-dark)}.control-btn.secondary{background:var(--gray);color:var(--text);box-shadow:0 5px 0 var(--gray-dark)}.control-btn.secondary:active{box-shadow:0 1px 0 var(--gray-dark);transform:translateY(4px)}.loading-overlay{z-index:50;background:#3a35308c;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.loading-overlay[hidden]{display:none}.loading-card{background:var(--panel);border-radius:var(--radius);text-align:center;max-width:320px;box-shadow:0 8px 0 var(--gray-dark);padding:32px 28px}.loading-mascot{margin-bottom:6px;font-size:4rem}.loading-title{color:var(--text);margin-bottom:16px;font-size:1.3rem;font-weight:700}.loading-bar-track{background:var(--gray);border-radius:999px;height:18px;margin-bottom:10px;overflow:hidden}.loading-bar{background:var(--accent);border-radius:999px;width:5%;height:100%;transition:width .3s}.loading-pct{color:var(--muted);font-size:.95rem}@media (width<=600px){.page-arrow{width:44px;height:44px;font-size:1.2rem}.reader-controls{flex-wrap:wrap;justify-content:center}.logo span{display:none}}