:root{--primary: #6366f1;--primary-hover: #4f46e5;--success: #10b981;--success-hover: #059669;--secondary: #64748b;--secondary-hover: #475569;--bg-start: #0f172a;--bg-end: #1e1b4b;--glass-bg: rgba(255, 255, 255, .08);--glass-border: rgba(255, 255, 255, .12);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--shadow: 0 8px 32px rgba(0, 0, 0, .3);--radius: 16px;--radius-sm: 8px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:linear-gradient(135deg,var(--bg-start) 0%,var(--bg-end) 100%);color:var(--text-primary);min-height:100vh;line-height:1.6}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius);box-shadow:var(--shadow)}.container{max-width:1200px;margin:0 auto;padding:2rem;min-height:100vh;display:flex;flex-direction:column}.header{text-align:center;margin-bottom:2rem;animation:fadeInDown .6s ease-out}.header h1{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,#fff,#a5b4fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}.subtitle{color:var(--text-secondary);font-size:1rem}.main{flex:1;display:flex;flex-direction:column;gap:1.5rem}.upload-area{padding:3rem 2rem;text-align:center;cursor:pointer;transition:all .3s ease;border:2px dashed var(--glass-border);animation:fadeIn .6s ease-out .2s both}.upload-area:hover,.upload-area.dragover{border-color:var(--primary);background:#6366f11a;transform:translateY(-2px)}.upload-icon{font-size:3rem;margin-bottom:1rem;animation:bounce 2s infinite}.upload-text{font-size:1.1rem;color:var(--text-primary);margin-bottom:.5rem}.upload-link{color:var(--primary);text-decoration:underline;cursor:pointer}.upload-hint{color:var(--text-muted);font-size:.875rem}.editor-area{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;animation:fadeIn .5s ease-out}@media (max-width: 900px){.editor-area{grid-template-columns:1fr}}.preview-section,.result-section{padding:1.5rem}.section-title{font-size:1rem;font-weight:600;color:var(--text-secondary);margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.crop-container{position:relative;background:#0000004d;border-radius:var(--radius-sm);overflow:hidden;display:flex;justify-content:center;align-items:center;min-height:300px}#previewCanvas{max-width:100%;max-height:400px;display:block}.crop-box{position:absolute;border:2px solid var(--primary);background:#6366f11a;cursor:move;box-shadow:0 0 0 9999px #00000080}.crop-handle{position:absolute;width:12px;height:12px;background:var(--primary);border-radius:50%;border:2px solid #fff}.crop-handle.nw{top:-6px;left:-6px;cursor:nw-resize}.crop-handle.ne{top:-6px;right:-6px;cursor:ne-resize}.crop-handle.sw{bottom:-6px;left:-6px;cursor:sw-resize}.crop-handle.se{bottom:-6px;right:-6px;cursor:se-resize}.crop-info{text-align:center;margin-top:1rem;color:var(--text-secondary);font-size:.875rem}.result-preview{background:#0000004d;border-radius:var(--radius-sm);display:flex;justify-content:center;align-items:center;padding:1rem;min-height:300px}#resultCanvas{max-width:100%;max-height:300px;border-radius:var(--radius-sm);box-shadow:0 4px 20px #0000004d}.result-info{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;margin-top:1rem}.info-item{background:#0003;padding:.75rem;border-radius:var(--radius-sm);text-align:center}.info-label{display:block;font-size:.75rem;color:var(--text-muted);margin-bottom:.25rem}.info-value{font-size:.9rem;font-weight:600;color:var(--text-primary)}.action-buttons{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap;animation:fadeIn .5s ease-out}.btn{padding:.875rem 1.5rem;font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all .3s ease;display:inline-flex;align-items:center;gap:.5rem}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,#818cf8 100%);color:#fff}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-hover) 0%,var(--primary) 100%);transform:translateY(-2px);box-shadow:0 4px 20px #6366f166}.btn-success{background:linear-gradient(135deg,var(--success) 0%,#34d399 100%);color:#fff}.btn-success:hover:not(:disabled){background:linear-gradient(135deg,var(--success-hover) 0%,var(--success) 100%);transform:translateY(-2px);box-shadow:0 4px 20px #10b98166}.btn-secondary{background:#ffffff1a;color:var(--text-primary);border:1px solid var(--glass-border)}.btn-secondary:hover:not(:disabled){background:#ffffff26;transform:translateY(-2px)}.footer{text-align:center;padding:1.5rem 0;color:var(--text-muted);font-size:.875rem;margin-top:auto}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.processing{position:relative;pointer-events:none}.processing:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;justify-content:center;align-items:center;border-radius:var(--radius-sm)}@media (max-width: 600px){.container{padding:1rem}.header h1{font-size:1.75rem}.upload-area{padding:2rem 1rem}.action-buttons{flex-direction:column}.btn{width:100%;justify-content:center}}