:root{--bg-dark: #090d16;--bg-card: rgba(22, 30, 49, .75);--bg-card-hover: rgba(32, 44, 70, .85);--bg-card-border: rgba(255, 255, 255, .1);--primary: #6366f1;--primary-hover: #4f46e5;--primary-light: rgba(99, 102, 241, .15);--accent-pink: #ec4899;--accent-cyan: #06b6d4;--accent-teal: #0d9488;--text-main: #f8fafc;--text-muted: #94a3b8;--text-dim: #64748b;--success: #10b981;--warning: #f59e0b;--radius-lg: 16px;--radius-md: 12px;--radius-sm: 8px;--shadow-glow: 0 0 25px rgba(99, 102, 241, .25);--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--transition-fast: .2s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-family);background-color:var(--bg-dark);color:var(--text-main);min-height:100vh;display:flex;flex-direction:column;background-image:radial-gradient(circle at 15% 15%,rgba(13,148,136,.15) 0%,transparent 40%),radial-gradient(circle at 85% 85%,rgba(99,102,241,.12) 0%,transparent 40%);overflow-x:hidden}.app-header{background:#090d16d9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--bg-card-border);padding:.85rem 1.5rem;position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:.75rem}.brand-icon{width:38px;height:38px;background:linear-gradient(135deg,var(--accent-teal),var(--primary));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:0 4px 12px #0d948866}.brand-title{font-size:1.15rem;font-weight:700;background:linear-gradient(135deg,#fff 30%,#a5b4fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.02em}.brand-badge{font-size:.65rem;font-weight:600;text-transform:uppercase;padding:.2rem .5rem;background:#ffffff1a;border-radius:20px;color:var(--accent-cyan);border:1px solid rgba(6,182,212,.3)}.step-bar{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1rem;background:#0f172a99;border-bottom:1px solid var(--bg-card-border);overflow-x:auto}.step-item{display:flex;align-items:center;gap:.5rem;font-size:.85rem;font-weight:500;color:var(--text-dim);padding:.35rem .75rem;border-radius:20px;transition:var(--transition-fast);white-space:nowrap}.step-number{width:22px;height:22px;border-radius:50%;background:#ffffff1a;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700}.step-item.active{color:var(--text-main);background:var(--primary-light);border:1px solid rgba(99,102,241,.3)}.step-item.active .step-number{background:var(--primary);color:#fff}.step-arrow{color:var(--text-dim);font-size:.8rem;opacity:.5}.app-container{max-width:1300px;margin:0 auto;padding:1.5rem 1rem 3rem;width:100%;display:grid;grid-template-columns:1fr 340px;gap:1.5rem;flex:1}.viewport-section{display:flex;flex-direction:column;align-items:center;gap:1rem;width:100%}.controls-sidebar{display:flex;flex-direction:column;gap:1.25rem}@media (max-width: 992px){.app-container{display:flex;flex-direction:column;gap:1.25rem;padding:1rem .75rem 4rem}.controls-sidebar{display:contents}.viewport-section{order:1}.adjust-panel{order:2}.template-panel{order:3}.upload-panel{order:4}.export-panel{order:5}}.canvas-wrapper{position:relative;width:100%;max-width:650px;max-height:72vh;background:#030712;border-radius:var(--radius-lg);border:2px dashed rgba(255,255,255,.15);box-shadow:inset 0 0 40px #000c,var(--shadow-glow);display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:none;transition:aspect-ratio .3s ease}.canvas-wrapper.has-template{border-style:solid;border-color:#6366f166}canvas#editorCanvas{display:block;max-width:100%;max-height:100%;object-fit:contain;cursor:grab}canvas#editorCanvas:active{cursor:grabbing}.canvas-hint{position:absolute;bottom:12px;left:50%;transform:translate(-50%);background:#0f172ad9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:.4rem .9rem;border-radius:20px;font-size:.78rem;color:var(--text-muted);border:1px solid var(--bg-card-border);pointer-events:none;display:flex;align-items:center;gap:.4rem;transition:opacity .3s}.canvas-hint-icon{color:var(--primary);font-size:.9rem}.panel-card{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--bg-card-border);border-radius:var(--radius-lg);padding:1.25rem;display:flex;flex-direction:column;gap:1rem}.panel-title{font-size:.95rem;font-weight:700;color:var(--text-main);display:flex;align-items:center;justify-content:space-between}.panel-title .badge{font-size:.7rem;font-weight:500;padding:.15rem .5rem;background:var(--primary-light);color:var(--primary);border-radius:12px}.template-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(68px,1fr));gap:.65rem}.template-card{position:relative;aspect-ratio:1 / 1;border-radius:var(--radius-md);border:2px solid transparent;background:#0f172acc;overflow:hidden;cursor:pointer;transition:var(--transition-fast)}.template-card img{width:100%;height:100%;object-fit:cover;display:block}.template-card:hover{transform:translateY(-2px);border-color:#6366f180}.template-card.selected{border-color:var(--primary);box-shadow:0 0 12px #6366f180}.template-card.selected:after{content:"✓";position:absolute;top:4px;right:4px;background:var(--primary);color:#fff;width:18px;height:18px;border-radius:50%;font-size:.65rem;font-weight:700;display:flex;align-items:center;justify-content:center}.template-name{font-size:.65rem;position:absolute;bottom:0;left:0;right:0;background:#090d16d9;color:var(--text-main);text-align:center;padding:2px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.upload-btn-group{display:flex;flex-direction:column;gap:.5rem}.action-row{display:flex;gap:.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.25rem;min-height:44px;border-radius:var(--radius-md);font-size:.9rem;font-weight:600;cursor:pointer;border:1px solid transparent;transition:var(--transition-fast);text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--primary),#4338ca);color:#fff;box-shadow:0 4px 14px #6366f159}.btn-primary:hover{background:linear-gradient(135deg,var(--primary-hover),#3730a3);transform:translateY(-1px)}.btn-secondary{background:#ffffff0f;color:var(--text-main);border-color:var(--bg-card-border)}.btn-secondary:hover{background:#ffffff1f;border-color:#fff3}.btn-accent{background:linear-gradient(135deg,var(--accent-teal),#0f766e);color:#fff;box-shadow:0 4px 14px #0d948859}.btn-accent:hover{background:linear-gradient(135deg,#0f766e,#115e59)}.btn-danger{background:#ef444426;color:#fca5a5;border-color:#ef44444d}.btn-danger:hover{background:#ef444440}.btn-success{background:linear-gradient(135deg,#10b981,#059669);color:#fff;box-shadow:0 4px 14px #10b98159}.btn-success:hover{background:linear-gradient(135deg,#059669,#047857)}.btn-icon-only{padding:.5rem;min-width:44px}.btn-full{width:100%}.toggle-row{display:flex;align-items:center;justify-content:space-between;background:#0f172a99;padding:.6rem .85rem;border-radius:var(--radius-md);border:1px solid var(--bg-card-border)}.toggle-label{font-size:.85rem;font-weight:500;display:flex;align-items:center;gap:.4rem}.layer-switch-btn{background:var(--primary-light);color:var(--primary);border:1px solid rgba(99,102,241,.3);padding:.4rem .8rem;border-radius:var(--radius-sm);font-size:.78rem;font-weight:600;cursor:pointer;transition:var(--transition-fast)}.layer-switch-btn:hover{background:var(--primary);color:#fff}.control-group{display:flex;flex-direction:column;gap:.4rem}.control-header{display:flex;align-items:center;justify-content:space-between;font-size:.82rem;color:var(--text-muted)}.control-val{font-weight:600;color:var(--text-main)}.slider-row{display:flex;align-items:center;gap:.5rem}input[type=range]{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:6px;background:#ffffff1f;border-radius:3px;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px #6366f199;cursor:pointer;transition:transform .1s}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}.nudge-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;width:130px;margin:0 auto}.nudge-btn{background:#ffffff0d;border:1px solid var(--bg-card-border);color:var(--text-main);border-radius:var(--radius-sm);height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:.9rem}.nudge-btn:hover{background:var(--primary-light);color:var(--primary)}.crop-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#04070de6;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem;opacity:1;transition:opacity .25s ease}.crop-modal-container{background:#0f172a;border:1px solid var(--bg-card-border);border-radius:var(--radius-lg);width:100%;max-width:620px;max-height:90vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 50px #000000b3,var(--shadow-glow)}.crop-modal-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;border-bottom:1px solid var(--bg-card-border)}.crop-modal-title{font-size:1.05rem;font-weight:700;display:flex;align-items:center;gap:.5rem}.close-modal-btn{background:transparent;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer;padding:0 .5rem;line-height:1}.close-modal-btn:hover{color:var(--text-main)}.aspect-preset-bar{display:flex;align-items:center;gap:.4rem;padding:.65rem 1rem;background:#0f172acc;border-bottom:1px solid var(--bg-card-border);overflow-x:auto}.aspect-chip{padding:.35rem .75rem;border-radius:20px;font-size:.78rem;font-weight:600;background:#ffffff0f;color:var(--text-muted);border:1px solid var(--bg-card-border);cursor:pointer;white-space:nowrap;transition:var(--transition-fast)}.aspect-chip:hover{background:#ffffff1f;color:var(--text-main)}.aspect-chip.active{background:var(--accent-teal);color:#fff;border-color:var(--accent-teal);box-shadow:0 2px 8px #0d948866}.crop-viewport{position:relative;flex:1;min-height:300px;max-height:480px;background:#020617;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:none;-webkit-user-select:none;user-select:none}canvas#cropCanvas{display:block;max-width:100%;max-height:100%;touch-action:none}.crop-modal-footer{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;border-top:1px solid var(--bg-card-border);background:#0f172ae6}.hidden{display:none!important}.app-footer{border-top:1px solid var(--bg-card-border);padding:1rem;text-align:center;font-size:.8rem;color:var(--text-dim);margin-top:auto}.mobile-quick-bar{display:none}@media (max-width: 768px){.mobile-quick-bar{display:flex;align-items:center;justify-content:space-around;gap:.5rem;position:fixed;bottom:0;left:0;right:0;background:#090d16f0;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--bg-card-border);padding:.65rem .85rem;z-index:120;box-shadow:0 -4px 25px #0009}.mobile-quick-btn{flex:1;min-height:42px;padding:.4rem .6rem;font-size:.82rem;font-weight:700;white-space:nowrap}.canvas-wrapper{max-height:60vh}.app-container{padding-bottom:5.5rem!important}}@media (max-width: 480px){.brand-title{font-size:1rem}.app-header{padding:.65rem .85rem}.step-item{padding:.25rem .5rem;font-size:.78rem}.panel-card{padding:.9rem}}