.mobile-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:99;opacity:0;transition:opacity var(--transition-normal);pointer-events:all}.mobile-overlay.active{opacity:1}.info-panel-header{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-backdrop-filter:var(--blur-sm) saturate(180%);backdrop-filter:var(--blur-sm) saturate(180%);padding:var(--spacing-lg);text-align:center;position:relative;z-index:1;box-shadow:0 4px 20px var(--accent-glow),var(--shadow-inner)}@media (max-width: 1024px){.page-layout{grid-template-columns:1fr}.info-panel{position:relative;top:0;max-height:none}}@media (max-width: 768px){.mobile-header{display:flex}.theme-picker{display:none}.theme-picker-panel{position:fixed!important;top:70px!important;right:10px!important;left:auto!important;z-index:250!important;max-width:calc(100vw - 20px)}.sidebar{position:fixed;left:-260px;top:0;bottom:0;width:260px;z-index:100;transition:left var(--transition-normal)}.sidebar.active{left:0}.main-content{margin-left:0;padding:calc(60px + var(--spacing-md)) var(--spacing-md) var(--spacing-md);min-height:100vh}.page-layout{grid-template-columns:1fr;gap:var(--spacing-md)}.info-panel{position:relative;top:0;max-height:none;order:-1;margin-bottom:var(--spacing-lg)}.card{border-radius:var(--radius-md)}.content-grid{gap:var(--spacing-md)}.features-grid{grid-template-columns:1fr;gap:var(--spacing-md)}.tech-row{flex-direction:column;align-items:flex-start;gap:var(--spacing-xs)}.text-input{font-size:16px}.btn-primary,.btn-secondary{padding:var(--spacing-md) var(--spacing-lg);font-size:1rem;min-height:48px}.nav-item{min-height:48px;padding:var(--spacing-md) var(--spacing-lg)}.upload-zone{padding:var(--spacing-lg)}.image-preview img{max-height:200px}.radio-group{flex-direction:column}.page-title{font-size:1.5rem}.about-content{padding:0}}@media (max-width: 480px){.main-content{padding:calc(60px + var(--spacing-sm)) var(--spacing-sm) var(--spacing-sm)}.card-body,.card-header{padding:var(--spacing-md)}.page-title{font-size:1.25rem}.page-subtitle{font-size:.875rem}.theme-picker-panel{min-width:180px!important;right:5px!important;left:auto!important;padding:var(--spacing-md)}.theme-picker-title{font-size:.8rem}.theme-colors{grid-template-columns:repeat(2,1fr);gap:var(--spacing-xs)}.theme-color-btn{width:55px;height:55px}.info-section{padding:var(--spacing-md)}.upload-icon{font-size:2rem}.mobile-logo{font-size:1rem}.hamburger-btn,.theme-picker-btn-mobile{width:40px;height:40px}}:root{--theme-color-1: #0c0c0e;--theme-color-2: #16161a;--bg-primary: linear-gradient(135deg, var(--theme-color-1) 0%, var(--theme-color-2) 100%);--bg-overlay: rgba(0, 0, 0, .3);--bg-secondary: #1a1a1f;--bg-tertiary: #202026;--bg-card: #16161a;--bg-hover: #26262e;--accent-primary: #8b5cf6;--accent-secondary: #a78bfa;--accent-hover: #7c3aed;--accent-light: rgba(139, 92, 246, .2);--accent-glow: rgba(139, 92, 246, .5);--success: #22c55e;--success-glass: rgba(34, 197, 94, .25);--warning: #fbbf24;--warning-glass: rgba(251, 191, 36, .25);--error: #f87171;--error-glass: rgba(248, 113, 113, .25);--info: #60a5fa;--info-glass: rgba(96, 165, 250, .25);--text-primary: #FFFFFF;--text-secondary: rgba(255, 255, 255, .95);--text-tertiary: rgba(255, 255, 255, .85);--text-muted: rgba(255, 255, 255, .7);--text-shadow-sm: 0 2px 4px rgba(0, 0, 0, .6), 0 1px 2px rgba(0, 0, 0, .4);--text-shadow-md: 0 2px 8px rgba(0, 0, 0, .7), 0 1px 4px rgba(0, 0, 0, .5);--text-shadow-lg: 0 3px 12px rgba(0, 0, 0, .8), 0 2px 6px rgba(0, 0, 0, .6);--border-color: rgba(255, 255, 255, .18);--border-glass: rgba(255, 255, 255, .25);--shadow-sm: 0 4px 6px rgba(0, 0, 0, .1);--shadow-md: 0 8px 32px rgba(0, 0, 0, .2);--shadow-lg: 0 20px 60px rgba(0, 0, 0, .3);--shadow-glow: 0 0 40px rgba(139, 92, 246, .3);--shadow-inner: inset 0 4px 20px rgba(255, 255, 255, .1);--spacing-xs: .5rem;--spacing-sm: .75rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: 12px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1);--bg-transition: background .5s ease-in-out, background-color .5s ease-in-out;--blur-sm: blur(8px);--blur-md: blur(16px);--blur-lg: blur(24px)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);transition:var(--bg-transition);color:var(--text-primary);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;position:relative;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:var(--bg-overlay);z-index:-1}.mobile-header{display:none;position:fixed;top:0;left:0;right:0;height:60px;background:#ffffff1a;backdrop-filter:var(--blur-lg) saturate(180%);-webkit-backdrop-filter:var(--blur-lg) saturate(180%);border-bottom:1px solid rgba(255,255,255,.2);z-index:150;padding:0 max(var(--spacing-md),env(safe-area-inset-left)) 0 max(var(--spacing-md),env(safe-area-inset-right));align-items:center;justify-content:space-between;box-shadow:0 4px 24px #00000026,inset 0 -1px #ffffff1a}.hamburger-btn{background:#ffffff26;-webkit-backdrop-filter:var(--blur-sm);backdrop-filter:var(--blur-sm);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-md);width:44px;height:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;transition:all var(--transition-normal);box-shadow:0 4px 12px #0003}.hamburger-btn:active{transform:scale(.95)}.hamburger-line{width:22px;height:2px;background:var(--text-primary);border-radius:2px;transition:all var(--transition-normal);box-shadow:0 1px 2px #0000004d}.hamburger-btn.active .hamburger-line:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger-btn.active .hamburger-line:nth-child(2){opacity:0;transform:translate(-20px)}.hamburger-btn.active .hamburger-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-logo{font-size:1.25rem;font-weight:700;color:var(--text-primary);text-shadow:var(--text-shadow-md),0 0 10px rgba(0,200,255,.4);margin:0;letter-spacing:.5px}.theme-picker-btn-mobile{width:44px;height:44px;background:#ffffff26;-webkit-backdrop-filter:var(--blur-sm);backdrop-filter:var(--blur-sm);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-normal);box-shadow:0 4px 12px #0003}.theme-picker-btn-mobile:active{transform:scale(.95)}.mobile-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1040;opacity:0;transition:opacity var(--transition-normal);pointer-events:none;cursor:pointer}.mobile-overlay.active{opacity:1;pointer-events:auto}.theme-picker{position:fixed;top:var(--spacing-lg);right:var(--spacing-lg);z-index:200}.theme-picker-btn{width:50px;height:50px;background:#ffffff26;backdrop-filter:var(--blur-md) saturate(180%);-webkit-backdrop-filter:var(--blur-md) saturate(180%);border:1px solid rgba(255,255,255,.25);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-normal);box-shadow:0 8px 24px #0003,inset 0 2px 8px #ffffff26}.theme-picker-btn:hover{background:#ffffff38;transform:scale(1.05);box-shadow:0 12px 32px #0000004d,0 0 30px var(--accent-glow),inset 0 2px 12px #fff3}.theme-icon{font-size:1.5rem;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}.theme-picker-panel{position:fixed;top:calc(var(--spacing-lg) + 60px);right:var(--spacing-lg);min-width:220px;background:#ffffff2e;backdrop-filter:var(--blur-lg) saturate(180%);-webkit-backdrop-filter:var(--blur-lg) saturate(180%);border:1px solid rgba(255,255,255,.25);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:0 12px 48px #0000004d,inset 0 2px 12px #ffffff1a;animation:slideDown .3s cubic-bezier(.4,0,.2,1);z-index:250;display:none}.theme-picker-panel.active{display:block}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.theme-picker-panel:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(255,255,255,.1) 0%,transparent 50%);border-radius:var(--radius-lg);pointer-events:none}.theme-picker-title{color:var(--text-primary);font-size:.9rem;font-weight:600;margin-bottom:var(--spacing-md);text-transform:uppercase;letter-spacing:1px;text-shadow:0 2px 8px rgba(0,0,0,.3)}.theme-colors{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-sm)}.theme-color-btn{width:50px;height:50px;border:2px solid rgba(255,255,255,.2);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);box-shadow:0 4px 12px #0003,inset 0 2px 6px #ffffff26;position:relative;overflow:hidden}.theme-color-btn:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(255,255,255,.2) 0%,transparent 50%);pointer-events:none}.theme-color-btn:hover{transform:scale(1.1);border-color:#ffffff80;box-shadow:0 8px 24px #0000004d,0 0 20px #ffffff4d,inset 0 2px 8px #fff3}.theme-color-btn.active{border-color:#fff;border-width:3px;box-shadow:0 8px 24px #0006,0 0 30px #ffffff80,inset 0 2px 12px #ffffff4d}.theme-color-btn.active:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:1.2rem;font-weight:700;text-shadow:0 2px 8px rgba(0,0,0,.5)}.sidebar{position:fixed;left:0;top:0;bottom:0;width:260px;background:#ffffff08;backdrop-filter:var(--blur-lg) saturate(200%) brightness(110%);-webkit-backdrop-filter:var(--blur-lg) saturate(200%) brightness(110%);border-right:1px solid rgba(255,255,255,.2);display:flex;flex-direction:column;z-index:100;box-shadow:4px 0 24px #00000026,inset -1px 0 #ffffff1a,inset 0 0 60px #ffffff08;overflow-x:hidden}.sidebar:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(255,255,255,.12) 0%,transparent 40%,rgba(255,255,255,.05) 100%);pointer-events:none;z-index:0}.sidebar:after{content:"";position:absolute;top:0;right:0;width:1px;height:100%;background:linear-gradient(to bottom,transparent 0%,rgba(255,255,255,.3) 50%,transparent 100%);pointer-events:none}.main-content{margin-left:260px;min-height:100vh;padding:var(--spacing-xl);background:transparent}.logo{padding:var(--spacing-lg) var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-sm);border-bottom:1px solid var(--border-glass);position:relative;z-index:1;min-height:70px}.logo-icon{width:44px;height:44px;background:linear-gradient(135deg,#0a0f14f2,#05080cfa);border:2px solid rgba(0,200,255,.6);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 0 25px #00c8ff66,0 4px 15px #000000b3,inset 0 2px 5px #00c8ff26,inset 0 -2px 5px #00000080;-webkit-backdrop-filter:var(--blur-sm);backdrop-filter:var(--blur-sm);flex-shrink:0;position:relative;animation:hackerPulse 2s ease-in-out infinite}.logo-icon:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,200,255,.05) 2px,rgba(0,200,255,.05) 4px);pointer-events:none;border-radius:var(--radius-md);z-index:1}@keyframes hackerPulse{0%,to{box-shadow:0 0 25px #00c8ff66,0 4px 15px #000000b3,inset 0 2px 5px #00c8ff26;border-color:#00c8ff99}50%{box-shadow:0 0 35px #00dcff99,0 4px 15px #000000b3,inset 0 2px 5px #00dcff40;border-color:#00dcffcc}}.logo h1{font-size:1.1rem;font-weight:700;color:#fff;text-shadow:var(--text-shadow-md),0 0 10px rgba(0,200,255,.4);white-space:nowrap;overflow:visible;flex-shrink:0;letter-spacing:.5px}.nav-menu{flex:1;padding:var(--spacing-lg) var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-xs)}.nav-item{background:transparent;border:none;color:var(--text-secondary);padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--radius-md);display:flex;align-items:center;gap:var(--spacing-md);cursor:pointer;transition:all var(--transition-normal);font-size:.95rem;font-weight:500;width:100%;text-align:left;position:relative;z-index:1;text-shadow:var(--text-shadow-sm)}.nav-item:hover{background:var(--bg-hover);-webkit-backdrop-filter:var(--blur-sm);backdrop-filter:var(--blur-sm);color:var(--text-primary);box-shadow:0 4px 12px #0000001a}.nav-item.active{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-backdrop-filter:var(--blur-sm) saturate(180%);backdrop-filter:var(--blur-sm) saturate(180%);color:var(--text-primary);box-shadow:0 4px 20px var(--accent-glow),var(--shadow-inner)}.nav-icon{font-size:1.25rem;width:24px;height:24px;display:flex;align-items:center;justify-content:center}.sidebar-footer{padding:var(--spacing-lg);border-top:1px solid var(--border-glass);position:relative;z-index:1;-webkit-backdrop-filter:var(--blur-sm);backdrop-filter:var(--blur-sm)}.status-indicator{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-sm)}.status-dot{width:8px;height:8px;background:var(--success);border-radius:50%;animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.status-text{color:var(--text-secondary);font-size:.875rem;text-shadow:var(--text-shadow-sm)}.version{color:var(--text-tertiary);font-size:.75rem;text-align:center;text-shadow:var(--text-shadow-sm)}.sidebar-brand{display:block;color:var(--text-tertiary);font-size:.875rem;text-decoration:none;text-align:center;transition:color var(--transition-fast)}.sidebar-brand:hover{color:var(--text-primary)}.sidebar-header{display:flex;justify-content:flex-end;padding:var(--spacing-sm);border-bottom:1px solid var(--border-glass)}.sidebar-toggle{background:transparent;border:1px solid var(--border-glass);border-radius:var(--radius-sm);color:var(--text-secondary);width:32px;height:32px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.sidebar-toggle:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar.collapsed .sidebar-header{justify-content:center}.sidebar.collapsed .toggle-icon{transform:rotate(180deg)}.site-footer{margin-left:260px;padding:var(--spacing-lg) var(--spacing-xl);text-align:center;color:var(--text-tertiary);font-size:.875rem;border-top:1px solid var(--border-glass);background:#ffffff05}.sidebar.collapsed{width:70px}.sidebar.collapsed .logo h1,.sidebar.collapsed .nav-text,.sidebar.collapsed .sidebar-brand{display:none}.sidebar.collapsed .logo{justify-content:center;padding:var(--spacing-lg) var(--spacing-sm)}.sidebar.collapsed .nav-item{justify-content:center;padding:var(--spacing-md)}.sidebar.collapsed .nav-icon{margin:0}.sidebar.collapsed+.main-content,.sidebar.collapsed~.main-content{margin-left:70px}.sidebar.collapsed~.site-footer{margin-left:70px}.page{display:none;animation:fadeIn var(--transition-normal)}.page.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.page-header{margin-bottom:var(--spacing-xl)}.page-title{font-size:2rem;font-weight:700;margin-bottom:var(--spacing-sm);color:var(--text-primary);text-shadow:var(--text-shadow-lg)}.page-subtitle{color:var(--text-secondary);font-size:1rem;text-shadow:var(--text-shadow-sm)}.page-layout{display:flex;gap:var(--spacing-xl);align-items:flex-start}.content-grid{flex:1;display:flex;flex-direction:column;gap:var(--spacing-lg);min-width:0}.info-panel{width:340px;flex-shrink:0;position:sticky;top:var(--spacing-xl);max-height:calc(100vh - 4rem);overflow-y:auto}.card{position:relative;background:var(--bg-card);backdrop-filter:var(--blur-md) saturate(180%);-webkit-backdrop-filter:var(--blur-md) saturate(180%);border:1px solid var(--border-glass);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-normal);box-shadow:var(--shadow-md),var(--shadow-inner)}.card:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(255,255,255,.1) 0%,transparent 50%);border-radius:var(--radius-lg);pointer-events:none;opacity:.5}.card:hover{border-color:var(--border-glass);box-shadow:var(--shadow-lg),var(--shadow-glow),var(--shadow-inner);transform:translateY(-2px)}.card-header{padding:var(--spacing-lg);border-bottom:1px solid var(--border-glass);position:relative;z-index:1}.card-title{font-size:1.125rem;font-weight:600;display:flex;align-items:center;gap:var(--spacing-md);color:var(--text-primary);text-shadow:var(--text-shadow-sm)}.step-number{width:32px;height:32px;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-backdrop-filter:var(--blur-sm);backdrop-filter:var(--blur-sm);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:700;flex-shrink:0;box-shadow:0 4px 12px var(--accent-glow),var(--shadow-inner)}.card-body{padding:var(--spacing-lg);position:relative;z-index:1}.upload-zone{border:2px dashed var(--border-glass);border-radius:var(--radius-lg);padding:var(--spacing-xl);text-align:center;cursor:pointer;transition:all var(--transition-normal);background:var(--bg-tertiary);backdrop-filter:var(--blur-sm);-webkit-backdrop-filter:var(--blur-sm);position:relative}.upload-zone:hover{border-color:var(--accent-primary);background:var(--accent-light);-webkit-backdrop-filter:var(--blur-md);backdrop-filter:var(--blur-md);box-shadow:0 4px 20px var(--accent-glow);transform:scale(1.01)}.upload-zone.dragover{border-color:var(--accent-secondary);background:var(--accent-light);-webkit-backdrop-filter:var(--blur-lg) saturate(200%);backdrop-filter:var(--blur-lg) saturate(200%);box-shadow:0 8px 32px var(--accent-glow),var(--shadow-inner);transform:scale(1.02)}.upload-icon{font-size:3rem;margin-bottom:var(--spacing-md);opacity:.7}.upload-text{color:var(--text-primary);font-weight:600;margin-bottom:var(--spacing-xs);text-shadow:var(--text-shadow-sm)}.upload-hint{color:var(--text-tertiary);font-size:.875rem}.image-preview{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);padding:var(--spacing-lg);background:var(--bg-tertiary);backdrop-filter:var(--blur-sm);-webkit-backdrop-filter:var(--blur-sm);border-radius:var(--radius-lg);border:1px solid var(--border-glass);box-shadow:var(--shadow-md),var(--shadow-inner)}.image-preview img{max-width:100%;max-height:300px;border-radius:var(--radius-md);border:2px solid var(--border-glass);box-shadow:var(--shadow-lg),0 0 20px #8b5cf633}.image-info{background:var(--bg-secondary);padding:var(--spacing-md);border-radius:var(--radius-sm);width:100%;text-align:center;color:var(--text-secondary);font-size:.875rem}.btn-remove{background:var(--error);color:var(--text-primary);border:none;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-full);cursor:pointer;font-weight:600;font-size:.875rem;transition:all var(--transition-fast);text-shadow:var(--text-shadow-sm)}.btn-remove:hover{background:#dc2626;transform:scale(1.05)}.input-container{margin-bottom:var(--spacing-md)}.input-label{display:block;color:var(--text-primary);font-weight:600;margin-bottom:var(--spacing-sm);font-size:.95rem;text-shadow:var(--text-shadow-sm)}.text-input,.text-input:focus{width:100%;background:var(--bg-tertiary);backdrop-filter:var(--blur-sm);-webkit-backdrop-filter:var(--blur-sm);border:1px solid var(--border-glass);border-radius:var(--radius-md);padding:var(--spacing-md);color:var(--text-primary);font-family:inherit;font-size:.95rem;transition:all var(--transition-normal);outline:none}.text-input:focus{border-color:var(--accent-primary);background:var(--bg-hover);-webkit-backdrop-filter:var(--blur-md) saturate(150%);backdrop-filter:var(--blur-md) saturate(150%);box-shadow:0 0 0 3px var(--accent-light),0 4px 12px var(--accent-glow)}.text-input::placeholder{color:var(--text-muted)}textarea.text-input{resize:vertical;min-height:120px}.input-hint{color:var(--text-tertiary);font-size:.8rem;margin-top:var(--spacing-xs)}.radio-group{display:flex;flex-direction:column;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg)}.radio-option{position:relative;cursor:pointer}.radio-option input[type=radio]{position:absolute;opacity:0}.radio-label{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-tertiary);backdrop-filter:var(--blur-sm);-webkit-backdrop-filter:var(--blur-sm);border:2px solid var(--border-glass);border-radius:var(--radius-md);transition:all var(--transition-normal);box-shadow:var(--shadow-sm),var(--shadow-inner)}.radio-option input[type=radio]:checked+.radio-label{border-color:var(--accent-primary);background:var(--accent-light);-webkit-backdrop-filter:var(--blur-md) saturate(150%);backdrop-filter:var(--blur-md) saturate(150%);box-shadow:0 4px 16px var(--accent-glow),var(--shadow-inner)}.radio-option:hover .radio-label{border-color:var(--accent-secondary);background:var(--bg-hover);transform:translate(4px)}.radio-icon{font-size:1.5rem}.file-select-zone{border:2px dashed var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-lg);text-align:center;cursor:pointer;transition:all var(--transition-normal);background:var(--bg-tertiary)}.file-select-zone:hover{border-color:var(--accent-primary);background:var(--accent-light)}.file-info{margin-top:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-secondary);border-radius:var(--radius-md);color:var(--text-secondary)}.btn-primary{width:100%;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));backdrop-filter:var(--blur-sm) saturate(180%);-webkit-backdrop-filter:var(--blur-sm) saturate(180%);color:var(--text-primary);border:1px solid var(--border-glass);padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--radius-lg);font-size:1rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);transition:all var(--transition-normal);box-shadow:0 8px 24px var(--accent-glow),var(--shadow-inner);position:relative;overflow:hidden;text-shadow:var(--text-shadow-md)}.btn-primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s}.btn-primary:hover:before{left:100%}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 32px var(--accent-glow),var(--shadow-inner);-webkit-backdrop-filter:var(--blur-md) saturate(200%);backdrop-filter:var(--blur-md) saturate(200%)}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-secondary{background:var(--bg-tertiary);backdrop-filter:var(--blur-sm);-webkit-backdrop-filter:var(--blur-sm);color:var(--text-primary);border:1px solid var(--border-glass);padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-md);font-size:.95rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);margin-top:var(--spacing-md);width:100%;box-shadow:var(--shadow-sm),var(--shadow-inner);text-shadow:var(--text-shadow-sm)}.btn-secondary:hover{background:var(--bg-hover);-webkit-backdrop-filter:var(--blur-md);backdrop-filter:var(--blur-md);border-color:var(--accent-primary);box-shadow:0 4px 16px var(--accent-glow),var(--shadow-inner);transform:translateY(-1px)}.btn-icon{font-size:1.25rem}.progress-bar{width:100%;height:6px;background:var(--bg-tertiary);border-radius:var(--radius-full);overflow:hidden;margin:var(--spacing-md) 0}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));width:0%;animation:progress 1.5s ease-in-out infinite}@keyframes progress{0%{width:0%;margin-left:0%}50%{width:50%;margin-left:25%}to{width:0%;margin-left:100%}}.action-hint{text-align:center;color:var(--text-tertiary);font-size:.875rem;margin-top:var(--spacing-md);text-shadow:var(--text-shadow-sm)}.results-card{border-color:var(--success);animation:slideDown var(--transition-normal)}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.file-result{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-lg);background:var(--bg-tertiary);border-radius:var(--radius-md);margin-bottom:var(--spacing-md)}.file-result-icon{font-size:3rem}.file-result-name{font-weight:600;color:var(--text-primary)}.file-result-size{color:var(--text-secondary);font-size:.875rem}.info-panel{position:relative;background:var(--bg-card);backdrop-filter:var(--blur-md) saturate(180%);-webkit-backdrop-filter:var(--blur-md) saturate(180%);border:1px solid var(--border-glass);border-radius:var(--radius-lg);overflow:hidden;position:sticky;top:var(--spacing-xl);max-height:calc(100vh - 4rem);overflow-y:auto;box-shadow:var(--shadow-lg),var(--shadow-inner)}.info-panel:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(255,255,255,.08) 0%,transparent 50%);pointer-events:none;opacity:.6}.info-panel-header{padding:var(--spacing-lg);text-align:center;position:relative;z-index:1;border-bottom:1px solid var(--border-glass);display:flex;justify-content:space-between;align-items:center}.info-panel-close{display:none}.info-panel-title{font-size:1.125rem;font-weight:700;margin:0;text-shadow:var(--text-shadow-md)}.info-section{padding:var(--spacing-lg);border-bottom:1px solid var(--border-glass);position:relative;z-index:1}.info-section:last-child{border-bottom:none}.info-section-title{font-size:.95rem;font-weight:700;margin-bottom:var(--spacing-md);color:var(--text-primary);text-shadow:var(--text-shadow-sm)}.info-box{background:var(--bg-tertiary);backdrop-filter:var(--blur-sm);-webkit-backdrop-filter:var(--blur-sm);padding:var(--spacing-md);border-radius:var(--radius-md);font-size:.875rem;border:1px solid rgba(255,255,255,.05);box-shadow:var(--shadow-sm),inset 0 1px 2px #ffffff0d}.info-placeholder{color:var(--text-primary);font-weight:700;margin-bottom:var(--spacing-sm);text-shadow:var(--text-shadow-sm)}.info-text{color:var(--text-secondary);margin-bottom:var(--spacing-sm);font-size:.85rem}.info-details{display:flex;flex-direction:column;gap:var(--spacing-xs)}.info-details p{color:var(--text-secondary);font-size:.85rem;margin:0;line-height:1.6}.info-details strong{color:var(--text-primary);font-weight:600}.info-list,.tips-list{list-style:none;display:flex;flex-direction:column;gap:var(--spacing-xs);margin:0;padding:0}.info-list li{color:var(--text-secondary);padding-left:var(--spacing-md);position:relative;font-size:.85rem;text-shadow:var(--text-shadow-sm)}.info-list li:before{content:"•";position:absolute;left:0;color:var(--accent-primary)}.tips-list li{color:var(--text-secondary);font-size:.85rem;line-height:1.6}.tips-list li strong{color:var(--text-primary);text-shadow:var(--text-shadow-sm)}.status-ready{color:var(--success);font-weight:700;margin-bottom:var(--spacing-sm);text-shadow:var(--text-shadow-md),0 0 20px rgba(34,197,94,.5)}.tips-box{background:linear-gradient(135deg,var(--accent-light),rgba(139,92,246,.08));-webkit-backdrop-filter:var(--blur-sm) saturate(150%);backdrop-filter:var(--blur-sm) saturate(150%);border:1px solid var(--accent-light)}.about-content{max-width:1000px;display:flex;flex-direction:column;gap:var(--spacing-lg)}.about-text{color:var(--text-secondary);line-height:1.8;margin-bottom:var(--spacing-md);text-shadow:var(--text-shadow-sm)}.about-text:last-child{margin-bottom:0}.about-text strong{color:var(--text-primary);text-shadow:var(--text-shadow-sm)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-lg)}.feature-item{text-align:center;padding:var(--spacing-lg);background:var(--bg-tertiary);border-radius:var(--radius-md);transition:all var(--transition-normal)}.feature-item:hover{background:var(--bg-hover);transform:translateY(-4px)}.feature-icon{font-size:2.5rem;margin-bottom:var(--spacing-md)}.feature-title{font-size:1rem;font-weight:700;margin-bottom:var(--spacing-sm);color:var(--text-primary);text-shadow:var(--text-shadow-sm)}.feature-desc{color:var(--text-secondary);font-size:.875rem;text-shadow:var(--text-shadow-sm)}.tech-info{display:flex;flex-direction:column;gap:var(--spacing-md)}.tech-row{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-sm)}.tech-label{color:var(--text-secondary);font-weight:500}.tech-value{color:var(--text-primary);font-family:Courier New,monospace;font-size:.875rem}.best-practices-list{list-style:none;display:flex;flex-direction:column;gap:var(--spacing-sm)}.best-practices-list li{padding:var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-sm);color:var(--text-secondary)}.about-footer-card{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));border:none}.developer-info{text-align:center}.developer-title{font-size:1.5rem;margin-bottom:var(--spacing-md)}.developer-name{font-size:1.75rem;font-weight:700;margin-bottom:var(--spacing-xs)}.developer-role{font-size:1rem;opacity:.9;margin-bottom:var(--spacing-md)}.version-info{font-size:.875rem;opacity:.8}.linkedin-container{margin:var(--spacing-lg) 0}.linkedin-link{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-xl);background:#ffffff1a;border:2px solid rgba(255,255,255,.2);border-radius:var(--radius-full);color:var(--text-primary);text-decoration:none;font-weight:600;font-size:.95rem;transition:all var(--transition-normal)}.linkedin-link:hover{background:#fff3;border-color:#fff6;transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.linkedin-icon{font-size:1.25rem}#toast-container{position:fixed;top:var(--spacing-xl);right:var(--spacing-xl);z-index:1000;display:flex;flex-direction:column;gap:var(--spacing-sm)}.toast{background:var(--bg-card);backdrop-filter:var(--blur-lg) saturate(180%);-webkit-backdrop-filter:var(--blur-lg) saturate(180%);border:1px solid var(--border-glass);border-radius:var(--radius-lg);padding:var(--spacing-md) var(--spacing-lg);min-width:300px;box-shadow:var(--shadow-lg),var(--shadow-inner);animation:slideInRight var(--transition-normal);display:flex;align-items:center;gap:var(--spacing-md);position:relative;overflow:hidden}.toast:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(255,255,255,.08) 0%,transparent 50%);pointer-events:none}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.toast-success{border-left:4px solid var(--success);box-shadow:var(--shadow-lg),0 0 20px var(--success-glass),var(--shadow-inner)}.toast-error{border-left:4px solid var(--error);box-shadow:var(--shadow-lg),0 0 20px var(--error-glass),var(--shadow-inner)}.toast-info{border-left:4px solid var(--info);box-shadow:var(--shadow-lg),0 0 20px var(--info-glass),var(--shadow-inner)}.toast-icon{font-size:1.5rem}.toast-message{flex:1;color:var(--text-primary)}@media (max-width: 1024px){.mobile-header{position:fixed;top:0;left:0;width:100%;height:60px;background:var(--bg-card);backdrop-filter:var(--blur-lg);-webkit-backdrop-filter:var(--blur-lg);border-bottom:1px solid var(--border-glass);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 var(--spacing-md)}.theme-picker{display:none}.theme-picker-panel{position:fixed!important;top:70px!important;right:10px!important;left:auto!important;z-index:250!important;max-width:calc(100vw - 20px)}.sidebar{position:fixed;left:-260px;top:0;bottom:0;width:260px;z-index:1050;transition:left var(--transition-normal)}.sidebar.active{left:0}.sidebar.collapsed{width:260px!important}.sidebar.collapsed .logo h1,.sidebar.collapsed .nav-text,.sidebar.collapsed .sidebar-brand{display:block!important}.sidebar.collapsed .logo{justify-content:flex-start!important;padding:var(--spacing-xl) var(--spacing-lg)!important}.sidebar.collapsed .nav-item{justify-content:flex-start!important;padding:var(--spacing-md) var(--spacing-lg)!important}.sidebar.collapsed .nav-icon{margin-right:var(--spacing-md)!important}.sidebar-toggle{display:none!important}.site-footer{margin-left:0!important;padding:var(--spacing-lg) var(--spacing-md)}.main-content{margin-left:0!important;padding:calc(60px + var(--spacing-md)) var(--spacing-md) var(--spacing-md);min-height:100vh}.page-layout{display:block;gap:0}.info-panel{position:fixed;right:-320px;top:0;bottom:0;width:300px;z-index:1050;background:var(--bg-card);backdrop-filter:var(--blur-lg);-webkit-backdrop-filter:var(--blur-lg);box-shadow:-10px 0 30px #00000080;transition:right var(--transition-normal);max-height:none;overflow-y:auto;padding-bottom:var(--spacing-xl)}.info-panel.active{right:0}}.info-panel-close{display:block;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer}.card{border-radius:var(--radius-md)}.content-grid{gap:var(--spacing-md)}.features-grid{grid-template-columns:1fr;gap:var(--spacing-md)}.tech-row{flex-direction:column;align-items:flex-start;gap:var(--spacing-xs)}.text-input{font-size:16px}.btn-primary,.btn-secondary{padding:var(--spacing-md) var(--spacing-lg);font-size:1rem;min-height:48px}.nav-item{min-height:48px;padding:var(--spacing-md) var(--spacing-lg)}.upload-zone{padding:var(--spacing-lg)}.image-preview img{max-height:200px}.radio-group{flex-direction:column}.page-title{font-size:1.5rem}.about-content{padding:0}} @media (max-width: 480px){.main-content{padding:calc(60px + var(--spacing-sm)) var(--spacing-sm) var(--spacing-sm)}.card-body,.card-header{padding:var(--spacing-md)}.page-title{font-size:1.25rem}.page-subtitle{font-size:.875rem}.theme-picker-panel{min-width:180px!important;right:5px!important;left:auto!important;padding:var(--spacing-md)}.theme-picker-title{font-size:.8rem}.theme-colors{grid-template-columns:repeat(2,1fr);gap:var(--spacing-xs)}.theme-color-btn{width:55px;height:55px}.info-section{padding:var(--spacing-md)}.upload-icon{font-size:2rem}.mobile-logo{font-size:1rem}.hamburger-btn,.theme-picker-btn-mobile,.stats-toggle-btn-mobile{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#ffffff0d;border:1px solid var(--border-glass);border-radius:var(--radius-md);color:var(--text-primary);font-size:1.2rem}.info-panel-close{display:block!important}}::-webkit-scrollbar{width:12px;height:12px}::-webkit-scrollbar-track{background:#ffffff05;border-radius:var(--radius-full)}::-webkit-scrollbar-thumb{background:var(--bg-hover);-webkit-backdrop-filter:var(--blur-sm);backdrop-filter:var(--blur-sm);border-radius:var(--radius-full);border:2px solid rgba(255,255,255,.05);box-shadow:var(--shadow-sm),inset 0 2px 4px #ffffff1a}::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));box-shadow:0 0 12px var(--accent-glow),inset 0 2px 4px #fff3}.modal{position:fixed;top:0;left:0;width:100%;height:100%;z-index:2000;display:none;align-items:center;justify-content:center;padding:var(--spacing-md)}.modal.active{display:flex}.modal-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000d9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);animation:fadeIn var(--transition-normal)}.modal-content{position:relative;width:100%;max-width:500px;background:var(--bg-card);backdrop-filter:var(--blur-lg) saturate(180%);-webkit-backdrop-filter:var(--blur-lg) saturate(180%);border:1px solid var(--border-glass);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg),var(--shadow-glow);animation:modalScaleUp var(--transition-normal);overflow:hidden}@keyframes modalScaleUp{0%{opacity:0;transform:scale(.9) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{padding:var(--spacing-lg);border-bottom:1px solid var(--border-glass);display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,rgba(139,92,246,.1),transparent)}.modal-title{font-size:1.25rem;font-weight:700;text-shadow:var(--text-shadow-md)}.modal-close{background:none;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer;transition:color var(--transition-fast)}.modal-close:hover{color:var(--text-primary)}.modal-body{padding:var(--spacing-lg)}.modal-text{color:var(--text-secondary);font-size:.95rem;margin-bottom:var(--spacing-lg);line-height:1.6}.dimension-compare{display:flex;align-items:center;justify-content:center;gap:var(--spacing-md);margin:var(--spacing-lg) 0;background:var(--bg-tertiary);padding:var(--spacing-lg);border-radius:var(--radius-md);border:1px solid var(--border-glass)}.dim-box{text-align:center;flex:1}.dim-label{display:block;font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}.dim-value{font-size:1.125rem;font-weight:700;font-family:Courier New,monospace}.dim-arrow{font-size:1.5rem;color:var(--accent-primary);opacity:.5}.dim-box.highlighted .dim-value{color:var(--success);text-shadow:0 0 10px var(--success-glass)}.capacity-gain{text-align:center;margin-top:var(--spacing-md)}.status-badge{display:inline-block;padding:4px 12px;border-radius:var(--radius-full);font-size:.8rem;font-weight:700;margin-top:var(--spacing-sm)}.status-badge.success{background:var(--success-glass);color:#4ade80;border:1px solid rgba(34,197,94,.3)}.modal-footer{padding:var(--spacing-lg);background:#0003;display:flex;gap:var(--spacing-md)}.modal-footer .btn-secondary{width:auto;margin-top:0;flex:1}.modal-footer .btn-primary{flex:2}.decoded-image-preview{margin:20px 0;padding:10px;background:#ffffff08;border-radius:16px;border:1px solid var(--border-color);overflow:hidden;display:flex;justify-content:center;align-items:center;max-height:400px;box-shadow:0 10px 30px #0000004d}.decoded-image-preview img{max-width:100%;max-height:380px;object-fit:contain;border-radius:8px;display:block}