:root{--color-bg-dark: #1a1a2e;--color-bg-card: #16213e;--color-primary: #f39c12;--color-primary-light: #f5b041;--color-secondary: #e74c3c;--color-accent: #3498db;--color-success: #2ecc71;--color-text: #ffffff;--color-text-muted: #a0a0b0;--color-overlay: rgba(26, 26, 46, .85);--font-display: "Fredoka", sans-serif;--font-body: "Nunito", sans-serif;--radius-sm: 12px;--radius-md: 20px;--radius-lg: 30px;--radius-xl: 40px;--shadow-glow: 0 0 30px rgba(243, 156, 18, .3);--shadow-card: 0 10px 40px rgba(0, 0, 0, .4);--shadow-button: 0 6px 20px rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden}body{font-family:var(--font-body);background:var(--color-bg-dark);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{height:100%}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.05);opacity:.8}}@keyframes shimmer{0%{background-position:-200% center}to{background-position:200% center}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}@keyframes tapHint{0%,to{transform:scale(1);box-shadow:0 0 #f39c1266}50%{transform:scale(1.02);box-shadow:0 0 0 8px #f39c1200}}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-8px)}40%,80%{transform:translate(8px)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes dots{0%,20%{content:""}40%{content:"."}60%{content:".."}80%,to{content:"..."}}.app{height:100%;display:flex;flex-direction:column;background:linear-gradient(135deg,var(--color-bg-dark) 0%,#0f0f23 100%);position:relative;overflow:hidden}.app:before,.app:after{content:"";position:absolute;border-radius:50%;pointer-events:none;z-index:0}.app:before{width:300px;height:300px;background:radial-gradient(circle,rgba(243,156,18,.1) 0%,transparent 70%);top:-100px;right:-100px}.app:after{width:400px;height:400px;background:radial-gradient(circle,rgba(52,152,219,.08) 0%,transparent 70%);bottom:-150px;left:-150px}.header{padding:20px;text-align:center;z-index:10;flex-shrink:0}.header h1{font-family:var(--font-display);font-size:2rem;font-weight:600;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 2px 10px rgba(243,156,18,.3)}.header p{font-size:.95rem;color:var(--color-text-muted);margin-top:4px}.main-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;z-index:10;overflow:hidden}.camera-container,.pin-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:30px;animation:fadeIn .5s ease-out;text-align:center;padding:20px}.pin-icon{width:120px;height:120px;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-card),0 0 40px #f39c124d;animation:float 3s ease-in-out infinite}.pin-icon svg{width:60px;height:60px;color:#fff}.pin-instructions{max-width:300px}.pin-instructions h2{font-family:var(--font-display);font-size:1.6rem;font-weight:600;margin-bottom:10px}.pin-instructions p{color:var(--color-text-muted);line-height:1.5}.pin-inputs{display:flex;gap:12px}.pin-digit{width:60px;height:72px;background:var(--color-bg-card);border:3px solid rgba(255,255,255,.15);border-radius:var(--radius-md);font-family:var(--font-display);font-size:2rem;font-weight:600;color:var(--color-text);text-align:center;outline:none;transition:all .2s ease;caret-color:var(--color-primary)}.pin-digit:focus{border-color:var(--color-primary);box-shadow:0 0 20px #f39c124d}.pin-digit:not(:placeholder-shown){background:linear-gradient(135deg,#f39c121a,#e74c3c1a)}.pin-error{color:var(--color-secondary);font-family:var(--font-display);font-weight:600;animation:shake .5s ease-in-out}.pin-loading{display:flex;align-items:center;justify-content:center}.pin-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.1);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}.camera-icon{width:140px;height:140px;background:linear-gradient(135deg,var(--color-bg-card) 0%,#1e2a4a 100%);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-card);animation:float 3s ease-in-out infinite;position:relative}.camera-icon:after{content:"";position:absolute;inset:-3px;border-radius:var(--radius-xl);background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));z-index:-1;opacity:.5}.camera-icon svg{width:70px;height:70px;color:var(--color-primary)}.camera-instructions{max-width:300px}.camera-instructions h2{font-family:var(--font-display);font-size:1.5rem;font-weight:600;margin-bottom:10px}.camera-instructions p{color:var(--color-text-muted);line-height:1.5}.app-title{font-family:var(--font-display);font-size:2rem;font-weight:600;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:12px}.app-description{color:var(--color-text-muted);max-width:300px;margin-bottom:40px;line-height:1.5}.btn{font-family:var(--font-display);font-size:1.1rem;font-weight:600;padding:18px 40px;border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:12px;min-width:200px;position:relative;overflow:hidden}.btn svg{width:24px;height:24px}.btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);color:var(--color-bg-dark);box-shadow:var(--shadow-button),0 0 30px #f39c124d}.btn-primary:hover{transform:translateY(-3px);box-shadow:var(--shadow-button),0 0 40px #f39c1280}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--color-bg-card);color:var(--color-text);border:2px solid rgba(255,255,255,.1)}.btn-secondary:hover{background:#1e2a4a;border-color:#fff3}.btn-small{padding:12px 24px;font-size:.95rem;min-width:auto}.btn-large{padding:20px 48px;font-size:1.2rem}.button-group{display:flex;flex-direction:column;gap:15px;width:100%;max-width:280px}.file-input{display:none}.preview-screen{display:flex;flex-direction:column;align-items:center;gap:20px;animation:fadeIn .4s ease-out;width:100%;max-width:500px}.preview-container{position:relative;width:100%;max-height:60vh;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);background:var(--color-bg-card)}.preview-image{width:100%;height:auto;display:block;max-height:60vh;object-fit:contain}.preview-actions{display:flex;gap:15px;flex-wrap:wrap;justify-content:center}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:30px;animation:fadeIn .4s ease-out;text-align:center}.loading-spinner{width:100px;height:100px;position:relative}.loading-spinner:before,.loading-spinner:after{content:"";position:absolute;border-radius:50%}.loading-spinner:before{inset:0;border:4px solid rgba(255,255,255,.1)}.loading-spinner:after{inset:0;border:4px solid transparent;border-top-color:var(--color-primary);animation:spin 1s linear infinite}.loading-message{font-family:var(--font-display);font-size:1.3rem;color:var(--color-text-muted)}.loading-dots:after{content:"";animation:dots 1.5s steps(4,end) infinite}.loading-hint{font-size:.9rem;color:var(--color-text-muted);margin-top:10px}.error-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:25px;text-align:center;animation:fadeIn .4s ease-out;padding:20px}.error-icon{width:80px;height:80px;background:#e74c3c33;border-radius:50%;display:flex;align-items:center;justify-content:center}.error-icon svg{width:40px;height:40px;color:var(--color-secondary)}.error-message{max-width:300px}.error-message h2{font-family:var(--font-display);font-size:1.4rem;margin-bottom:10px;color:var(--color-secondary)}.error-message p{color:var(--color-text-muted);line-height:1.5}.error-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:#e74c3c33;color:var(--color-secondary);font-size:14px;border-bottom:2px solid var(--color-secondary);z-index:100}.error-close{background:none;border:none;color:var(--color-secondary);font-size:24px;cursor:pointer;padding:4px;line-height:1}.viewer-container{display:flex;flex-direction:column;width:100%;height:100%;animation:fadeIn .4s ease-out}.worksheet-container{flex:1;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--color-bg-card);border-radius:var(--radius-md);margin-bottom:15px}.worksheet-image-wrapper{position:relative;display:inline-block;max-width:100%;max-height:100%}.worksheet-image{max-width:100%;max-height:100%;object-fit:contain;display:block}.tap-zones-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.tap-zone{position:absolute;background:transparent;border:2px solid rgba(243,156,18,.4);border-radius:var(--radius-sm);cursor:pointer;pointer-events:auto;transition:all .2s ease;animation:tapHint 2s ease-in-out infinite;animation-delay:var(--delay, 0s)}.tap-zone:nth-child(odd){--delay: .3s}.tap-zone:nth-child(3n){--delay: .6s}.tap-zone:hover{background:#f39c1226;border-color:#f39c12b3;animation:none;transform:scale(1.02)}.tap-zone:active,.tap-zone-active{background:#f39c124d;border-color:var(--color-primary);animation:none;transform:scale(.98)}.tap-zone:focus{outline:none;box-shadow:0 0 0 3px #f39c1280}.viewer-controls{display:flex;justify-content:center;gap:15px;padding:10px 0;flex-shrink:0}.viewer-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#16213ecc;border-radius:var(--radius-md) var(--radius-md) 0 0;flex-shrink:0}.element-count{font-size:.9rem;color:var(--color-text-muted)}.tap-hint{background:var(--color-success);color:#fff;padding:10px 16px;text-align:center;font-size:14px;font-weight:500;border-radius:var(--radius-sm)}.toast{position:fixed;bottom:100px;left:50%;transform:translate(-50%);background:var(--color-bg-card);color:var(--color-text);padding:16px 28px;border-radius:var(--radius-lg);font-family:var(--font-display);font-size:1.2rem;font-weight:600;box-shadow:var(--shadow-card),0 0 30px #f39c1233;border:2px solid var(--color-primary);z-index:100;animation:scaleIn .3s ease-out;display:flex;align-items:center;gap:12px}.toast svg{width:24px;height:24px;color:var(--color-primary)}.spoken-word{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--color-bg-card);color:var(--color-text);padding:16px 32px;border-radius:var(--radius-lg);font-family:var(--font-display);font-size:1.5rem;font-weight:600;box-shadow:var(--shadow-card),0 0 30px #f39c1233;border:2px solid var(--color-primary);z-index:100;animation:scaleIn .3s ease-out}@media(max-width:480px){.header h1{font-size:1.6rem}.camera-icon{width:120px;height:120px}.camera-icon svg{width:60px;height:60px}.btn{padding:16px 32px;font-size:1rem}}@media(orientation:landscape)and (max-height:500px){.header{padding:10px}.header h1{font-size:1.3rem}.header p{display:none}.camera-icon{width:80px;height:80px}.camera-icon svg{width:40px;height:40px}.camera-container{flex-direction:row;gap:40px}.button-group{flex-direction:row}}@supports (padding: env(safe-area-inset-bottom)){.toast,.spoken-word{bottom:calc(100px + env(safe-area-inset-bottom))}.viewer-header{padding-top:calc(12px + env(safe-area-inset-top))}}