:root{--bg-color: #f0f4f8;--card-bg: rgba(255, 255, 255, .8);--card-border: rgba(255, 255, 255, .5);--text-color: #1a202c;--text-muted: #718096;--primary-color: #e31937;--primary-hover: #b31329;--success-color: #38a169;--success-hover: #2f855a;--error-color: #e53e3e;--border-radius: 16px;--shadow: 0 10px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--font-family: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);background-image:radial-gradient(at 0% 0%,rgba(227,25,55,.05) 0px,transparent 50%),radial-gradient(at 100% 0%,rgba(66,153,225,.05) 0px,transparent 50%);color:var(--text-color);min-height:100vh;display:flex;justify-content:center;align-items:center;padding:20px}.app-container{width:100%;max-width:1000px;display:flex;flex-direction:column;gap:24px}header{text-align:center;margin-bottom:8px}.logo-container{display:flex;align-items:center;justify-content:center;gap:12px}.logo-icon{width:36px;height:36px;color:var(--primary-color);filter:drop-shadow(0 2px 4px rgba(227,25,55,.2))}h1{font-size:2.5rem;font-weight:800;letter-spacing:-.05em;background:linear-gradient(135deg,#1a202c,#4a5568);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.subtitle{font-size:1.1rem;color:var(--text-muted);font-weight:400;margin-top:4px}.glass-card{background:var(--card-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--card-border);border-radius:var(--border-radius);padding:32px;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease}.glass-card:hover{transform:translateY(-2px);box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.file-drop-zone{border:2px dashed rgba(113,128,150,.3);border-radius:12px;padding:40px 20px;text-align:center;transition:all .3s ease;cursor:pointer;background:#fff6}.file-drop-zone:hover,.file-drop-zone.drag-over{border-color:var(--primary-color);background:#e3193705}.file-input{display:none}.file-label{display:flex;flex-direction:column;align-items:center;gap:12px;cursor:pointer}.upload-icon{width:48px;height:48px;color:var(--text-muted);transition:color .3s ease}.file-drop-zone:hover .upload-icon{color:var(--primary-color)}.file-label span{font-size:1.1rem;color:var(--text-color)}.file-types{font-size:.9rem!important;color:var(--text-muted)!important}.error-container{margin-top:16px;padding:12px 16px;background:#e53e621a;border-left:4px solid var(--error-color);border-radius:4px}.error-container p{color:var(--error-color);font-size:.95rem;font-weight:600}.hidden{display:none!important}h2{font-size:1.5rem;font-weight:600;margin-bottom:20px;color:#2d3748}.metadata-info{display:flex;gap:24px;margin-bottom:24px;background:#00000008;padding:12px 20px;border-radius:8px}.meta-item{display:flex;gap:8px;font-size:.95rem}.meta-label{font-weight:600;color:var(--text-muted)}.grid-preview{display:grid;gap:16px;margin-bottom:32px;background:#0000000d;padding:16px;border-radius:12px;min-height:200px;align-items:center;justify-items:center}.preview-slot{width:100%;aspect-ratio:16/9;background:#2d3748;border-radius:8px;overflow:hidden;position:relative;box-shadow:0 4px 6px -1px #0000001a;border:1px solid rgba(255,255,255,.1)}.preview-slot img{width:100%;height:100%;object-fit:cover}.preview-slot.empty{background:#1a202c;display:flex;align-items:center;justify-content:center}.preview-slot.empty:after{content:"No Camera";color:#fff3;font-size:.9rem;font-weight:600}.slot-label{position:absolute;bottom:8px;left:8px;background:#000000b3;color:#fff;padding:4px 8px;border-radius:4px;font-size:.75rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.demo-container{display:flex;justify-content:center;margin-top:24px}.secondary-btn{font-family:var(--font-family);font-size:1rem;font-weight:600;padding:12px 24px;border:1px solid rgba(113,128,150,.2);border-radius:10px;background:#ffffff80;color:var(--text-color);cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:8px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.secondary-btn:hover{background:#ffffffe6;border-color:var(--primary-color);color:var(--primary-color);transform:translateY(-1px);box-shadow:0 4px 6px -1px #0000000d}.demo-icon{width:20px;height:20px}.actions-container{display:flex;justify-content:center}.primary-btn,.success-btn{font-family:var(--font-family);font-size:1.1rem;font-weight:600;padding:14px 32px;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:10px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.primary-btn{background:var(--primary-color);color:#fff}.primary-btn:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 10px 15px -3px #e319374d}.success-btn{background:var(--success-color);color:#fff;margin:0 auto}.success-btn:hover{background:var(--success-hover);transform:translateY(-1px);box-shadow:0 10px 15px -3px #38a1694d}.spinner{width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.progress-bar-container{width:100%;height:12px;background:#0000000d;border-radius:6px;overflow:hidden;margin-bottom:12px}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary-color) 0%,#f56565 100%);width:0%;transition:width .3s ease;border-radius:6px}.progress-text{display:flex;justify-content:space-between;font-size:.95rem;color:var(--text-muted);font-weight:600}#progress-percent{color:var(--primary-color);font-size:1.1rem}.success-state{text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px}.success-icon{width:64px;height:64px;color:var(--success-color);filter:drop-shadow(0 4px 6px rgba(56,161,105,.2))}.success-state h2{margin-bottom:0}.success-state p{color:var(--text-muted);margin-bottom:8px}.download-icon{width:20px;height:20px}footer{text-align:center;color:var(--text-muted);font-size:.85rem;margin-top:16px}