*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#fafafa;--color-surface:#fff;--color-text:#1a1a2e;--color-text-secondary:#6b7280;--color-accent:#4f46e5;--color-accent-hover:#4338ca;--color-accent-light:#eef2ff;--color-border:#e5e7eb;--color-border-hover:#c7d2fe;--color-success:#10b981;--color-error:#ef4444;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 16px #0000000f;--shadow-lg:0 8px 32px #00000014;--transition:.2s cubic-bezier(.4, 0, .2, 1)}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-family);background:var(--color-bg);color:var(--color-text);min-height:100vh;line-height:1.5}#app{flex-direction:column;min-height:100vh;display:flex}.drop-overlay{z-index:9999;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:0;pointer-events:none;background:#4f46e5d9;justify-content:center;align-items:center;transition:opacity .25s;display:flex;position:fixed;inset:0}.drop-overlay.active{opacity:1;pointer-events:all}.drop-overlay-border{border:3px dashed #ffffff80;border-radius:24px;justify-content:center;align-items:center;display:flex;position:absolute;inset:24px}.drop-overlay-content{color:#fff;flex-direction:column;align-items:center;gap:16px;display:flex}.drop-overlay-text{letter-spacing:-.02em;font-size:28px;font-weight:700}.header{align-items:center;padding:20px 32px;display:flex}.logo{color:var(--color-text);align-items:center;gap:8px;text-decoration:none;display:flex}.logo-icon{font-size:24px}.logo-text{font-family:"Outfit", var(--font-family);letter-spacing:-.03em;font-size:20px;font-weight:700}.logo-dot{color:var(--color-accent)}.main{flex-direction:column;flex:1;justify-content:center;align-items:center;padding:0 24px 60px;display:flex}.hero{text-align:center;width:100%;max-width:600px;animation:.6s ease-out fadeUp}.hero-title{letter-spacing:-.03em;color:var(--color-text);margin-bottom:12px;font-size:clamp(28px,5vw,44px);font-weight:700;line-height:1.15}.hero-subtitle{color:var(--color-text-secondary);margin-bottom:40px;font-size:15px;font-weight:400}.upload-zone{border:2px dashed var(--color-border);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition);background:var(--color-surface);padding:48px 32px;position:relative}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--color-accent);background:var(--color-accent-light);box-shadow:var(--shadow-md);transform:translateY(-2px)}.upload-zone.drag-over{border-style:solid}.upload-content{pointer-events:none;flex-direction:column;align-items:center;gap:8px;display:flex}.upload-icon{color:var(--color-text-secondary);transition:color var(--transition);margin-bottom:4px}.upload-zone:hover .upload-icon{color:var(--color-accent)}.upload-text{color:var(--color-text);font-size:16px;font-weight:600}.upload-hint{color:var(--color-text-secondary);font-size:14px}.upload-formats{color:var(--color-text-secondary);background:var(--color-bg);border-radius:100px;margin-top:8px;padding:4px 12px;font-size:12px;font-weight:500;display:inline-block}.processing{text-align:center;width:100%;max-width:500px;animation:.4s ease-out fadeUp}.processing-reveal{flex-direction:column;align-items:center;gap:24px;display:flex}.processing-image-container{border-radius:var(--radius-md);width:100%;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}.processing-image-container img{object-fit:contain;width:100%;height:auto;max-height:450px;display:block}.processing-wipe{background-image:linear-gradient(45deg,#ccc 25%,#0000 25%),linear-gradient(-45deg,#ccc 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#ccc 75%),linear-gradient(-45deg,#0000 75%,#ccc 75%);background-position:0 0,0 8px,8px -8px,-8px 0;background-size:16px 16px;width:100%;height:100%;animation:2.5s ease-in-out infinite wipeSlide;position:absolute;top:0;left:0}.processing-info{align-items:center;gap:12px;display:flex}.processing-spinner-small{border:2px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;width:20px;height:20px;animation:.8s linear infinite 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fadeUp}.error-card{text-align:center;background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);flex-direction:column;align-items:center;gap:16px;padding:48px;display:flex}.error-icon{font-size:40px}.error-text{color:var(--color-text-secondary);max-width:300px;font-size:15px}.showcase{width:100%;max-width:700px;margin-top:64px;animation:.6s ease-out fadeUp}.showcase-title{text-align:center;letter-spacing:-.03em;color:var(--color-text);margin-bottom:20px;font-size:clamp(24px,4vw,36px);font-weight:700}.showcase-tabs{justify-content:center;gap:8px;margin-bottom:24px;display:flex}.showcase-tab{font-size:14px;font-weight:500;font-family:var(--font-family);cursor:pointer;color:var(--color-text-secondary);transition:all var(--transition);background:0 0;border:none;border-radius:100px;padding:8px 20px}.showcase-tab:hover{color:var(--color-text);background:var(--color-accent-light)}.showcase-tab.active{background:var(--color-text);color:#fff}.showcase-slider{border-radius:var(--radius-lg);width:100%;box-shadow:var(--shadow-lg);overflow:hidden}.showcase-image-container{cursor:col-resize;-webkit-user-select:none;user-select:none;width:100%;position:relative}.showcase-img{width:100%;height:auto;display:block}.showcase-result-clip{background-color:#fff;background-image:linear-gradient(45deg,#e0e0e0 25%,#0000 25%),linear-gradient(-45deg,#e0e0e0 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#e0e0e0 75%),linear-gradient(-45deg,#0000 75%,#e0e0e0 75%);background-position:0 0,0 8px,8px -8px,-8px 0;background-size:16px 16px;position:absolute;inset:0 0 0 50%;overflow:hidden}.showcase-result-clip 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#0000;border-radius:14px;flex-shrink:0;padding:0;overflow:hidden}.history-item:hover{box-shadow:var(--shadow-md);transform:scale(1.08)}.history-item.active{border-color:var(--color-accent);box-shadow:0 0 0 3px #4f46e533}.history-item img{object-fit:cover;width:100%;height:100%;display:block}.history-add{background:var(--color-border);color:var(--color-text-secondary);font-family:var(--font-family);justify-content:center;align-items:center;display:flex}.history-add:hover{background:var(--color-border-hover);color:var(--color-accent)}.bg-picker{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin-bottom:20px;display:flex}.bg-picker-label{color:var(--color-text-secondary);font-size:13px;font-weight:600}.bg-picker-options{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.bg-option{border:2px solid var(--color-border);cursor:pointer;background:var(--color-surface);width:32px;height:32px;transition:all var(--transition);border-radius:8px;justify-content:center;align-items:center;padding:3px;display:flex;position:relative}.bg-option:hover{border-color:var(--color-text-secondary);transform:scale(1.1)}.bg-option.active{border-color:var(--color-accent);box-shadow:0 0 0 2px #4f46e540}.bg-swatch{border:1px solid #00000014;border-radius:4px;width:100%;height:100%;display:block}.checkerboard-mini{background-image:linear-gradient(45deg,#ccc 25%,#0000 25%),linear-gradient(-45deg,#ccc 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#ccc 75%),linear-gradient(-45deg,#0000 75%,#ccc 75%);background-position:0 0,0 4px,4px -4px,-4px 0;background-size:8px 8px}.bg-option-custom input[type=color]{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute}.bg-option svg{color:var(--color-text-secondary)}.result-preview{justify-content:center;margin-bottom:16px;display:flex}.result-preview 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var(--font-family);color:var(--color-text);letter-spacing:-.02em;font-size:16px;font-weight:700}.footer-tagline{margin-top:4px;font-size:13px}.footer-links{justify-content:center;align-items:center;gap:8px;margin-top:12px;display:flex}.footer-links a{color:var(--color-text-secondary);transition:color var(--transition);text-decoration:none}.footer-links a:hover{color:var(--color-accent)}.footer-copy{opacity:.7;margin-top:12px;font-size:12px}@media (width<=768px){.steps-grid{grid-template-columns:1fr;gap:32px}.cases-grid{grid-template-columns:repeat(2,1fr);gap:12px}.section-title{font-size:22px}.section-subtitle{margin-bottom:28px;font-size:14px}}@media (width<=480px){.cases-grid{grid-template-columns:1fr}}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes wipeSlide{0%{clip-path:inset(0 100% 0 0)}50%{clip-path:inset(0)}to{clip-path:inset(0 0 0 100%)}}@media (width<=640px){.header{padding:16px 20px}.main{padding:0 16px 40px}.upload-zone{padding:36px 24px}.result-images{flex-direction:column}.result-arrow{transform:rotate(90deg)}.result-actions{flex-direction:column;width:100%}.btn{justify-content:center;width:100%}.hero-subtitle{margin-bottom:28px}.drop-overlay-border{inset:12px}.drop-overlay-text{font-size:22px}}