:root{--primary: #ff2442;--primary-glow: rgba(255, 36, 66, .4);--bg-dark: #0f172a;--card-bg: rgba(30, 41, 59, .7);--glass-border: rgba(255, 255, 255, .1);--text-white: #f8fafc;--text-muted: #94a3b8;--accent-blue: #38bdf8;--accent-purple: #c084fc;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,sans-serif;background-color:var(--bg-dark);color:var(--text-white);line-height:1.6;min-height:100vh;background:radial-gradient(circle at top right,#1e1b4b,#0f172a),radial-gradient(circle at bottom left,#312e81,#0f172a);background-attachment:fixed}.outfit{font-family:Outfit,sans-serif}#app{max-width:1200px;margin:0 auto;padding:2rem}header{text-align:center;margin-bottom:4rem;animation:fadeInDown .8s ease-out}.logo-container{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:.5rem}.logo-icon{background:linear-gradient(135deg,var(--primary),#ef4444);width:50px;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.5rem;box-shadow:0 8px 16px var(--primary-glow)}h1{font-size:3rem;letter-spacing:-1px;background:linear-gradient(to right,#fff,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.subtitle{color:var(--text-muted);font-size:1.1rem;font-weight:500}.glass-card{background:var(--card-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:24px;padding:2.5rem;margin-bottom:2rem;box-shadow:0 20px 40px #0003}.hidden{display:none!important}.drop-zone{border:2px dashed var(--glass-border);border-radius:20px;padding:4rem 2rem;text-align:center;cursor:pointer;transition:var(--transition)}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--primary);background:#ff24420d}.upload-icon{font-size:4rem;margin-bottom:1.5rem;filter:drop-shadow(0 0 10px var(--primary-glow))}.ratio-toggle{display:flex;gap:1rem;margin-top:1rem}.ratio-toggle button{background:#ffffff0d;border:1px solid var(--glass-border);color:var(--text-white);padding:.75rem 1.5rem;border-radius:12px;cursor:pointer;transition:var(--transition);font-weight:600}.ratio-toggle button.active{background:var(--primary);border-color:var(--primary);box-shadow:0 4px 12px var(--primary-glow)}.pages-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.5rem;margin-top:2rem}.page-item{position:relative;border-radius:16px;overflow:hidden;cursor:pointer;transition:var(--transition);aspect-ratio:3/4;background:#000}.page-item img{width:100%;height:100%;object-fit:cover;opacity:.8}.page-item:hover{transform:translateY(-5px);box-shadow:0 10px 20px #0006}.page-item.selected{border:3px solid var(--primary)}.page-item.selected img{opacity:1}.selection-badge{position:absolute;top:10px;right:10px;background:var(--primary);color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;opacity:0}.selected .selection-badge{opacity:1}.sections-header{margin:4rem 0 2rem}.selected-grid{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:3rem;padding:1.5rem;background:#ffffff05;border-radius:20px;min-height:150px}.selected-item{width:100px;height:133px;border-radius:8px;overflow:hidden;position:relative;cursor:grab;border:1px solid var(--glass-border)}.selected-item:active{cursor:grabbing}.selected-item img{width:100%;height:100%;object-fit:cover}.primary-btn{background:linear-gradient(135deg,var(--primary),#ef4444);color:#fff;border:none;padding:1.25rem 2.5rem;border-radius:16px;font-size:1.25rem;font-weight:700;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:.75rem;margin:0 auto;box-shadow:0 10px 20px var(--primary-glow)}.primary-btn:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 15px 30px var(--primary-glow)}.primary-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}#loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172ae6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:1000}.loader{width:48px;height:48px;border:5px solid #FFF;border-bottom-color:var(--primary);border-radius:50%;display:inline-block;box-sizing:border-box;animation:rotation 1s linear infinite;margin-bottom:1rem}@keyframes rotation{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}footer{text-align:center;margin-top:6rem;padding-bottom:2rem;color:var(--text-muted);font-size:.9rem}