/* ImageCompressor.css - Professional Image Compression Tool */

:root{--comp-primary:#6366f1;--comp-primary-dark:#4f46e5;--comp-primary-light:#818cf8;--comp-secondary:#10b981;--comp-gradient:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);--comp-gradient-soft:linear-gradient(135deg,#eef2ff 0%,#f5f3ff 100%)}

/* Hero */
.compressor-hero{padding:2.5rem 0 1.5rem;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1.25rem;background:var(--comp-gradient-soft);color:var(--comp-primary);border-radius:var(--radius-full);font-size:.875rem;font-weight:600;margin-bottom:1rem;border:1px solid rgba(99,102,241,.2)}
.hero-title{font-size:2.5rem;font-weight:800;color:var(--text-primary);margin-bottom:.75rem}
.hero-subtitle{font-size:1.125rem;color:var(--text-secondary);max-width:700px;margin:0 auto;line-height:1.6}

/* Main */
.compressor-section{padding:0 0 4rem}
.compressor-wrapper{display:grid;grid-template-columns:420px 1fr;gap:2rem;margin-bottom:3rem}
.upload-panel{display:flex;flex-direction:column;gap:1.5rem}
.upload-card,.settings-card,.results-card,.preview-card{background:var(--bg-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);overflow:hidden}

/* Upload Area */
.upload-area{padding:2.5rem 2rem;border:2px dashed var(--border-color);border-radius:var(--radius-xl);margin:1.5rem;text-align:center;cursor:pointer;transition:.3s;background:var(--bg-body)}
.upload-area:hover,.upload-area.drag-over{border-color:var(--comp-primary);background:var(--comp-gradient-soft);transform:scale(1.02)}
.upload-icon{width:80px;height:80px;background:var(--comp-gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.25rem;font-size:2.5rem;color:#fff;box-shadow:0 8px 25px rgba(99,102,241,.3)}
.upload-area h3{font-size:1.25rem;font-weight:700;margin:0 0 .5rem}
.upload-area p{color:var(--text-secondary);margin:0 0 1.25rem}
.upload-formats{display:flex;justify-content:center;gap:.5rem;flex-wrap:wrap}
.format-badge{padding:.375rem .75rem;background:var(--comp-gradient-soft);color:var(--comp-primary);border-radius:var(--radius-full);font-size:.75rem;font-weight:600}
.upload-info{display:flex;align-items:center;gap:.75rem;padding:1rem 1.5rem;background:#d1fae5;color:#065f46;font-size:.8125rem}
.upload-info i{font-size:1.25rem;flex-shrink:0}

/* Settings */
.settings-card{padding:1.5rem}
.settings-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}
.settings-header h3{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:.5rem;margin:0}
.settings-header h3 i{color:var(--comp-primary)}
.btn-reset{width:36px;height:36px;border:1px solid var(--border-color);background:var(--bg-body);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:.2s;display:flex;align-items:center;justify-content:center}
.btn-reset:hover{border-color:var(--comp-primary);color:var(--comp-primary)}
.setting-group{margin-bottom:1.5rem}
.setting-group:last-child{margin-bottom:0}
.setting-label{display:flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:600;color:var(--text-primary);margin-bottom:.75rem}
.setting-label i{color:var(--comp-primary)}
.quality-value{margin-left:auto;background:var(--comp-primary);color:#fff;padding:.25rem .625rem;border-radius:var(--radius-full);font-size:.75rem}

/* Presets */
.preset-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}
.preset-btn{display:flex;flex-direction:column;align-items:center;gap:.25rem;padding:.75rem .5rem;border:2px solid var(--border-color);background:var(--bg-body);border-radius:var(--radius-lg);cursor:pointer;transition:.2s}
.preset-btn:hover{border-color:var(--comp-primary-light)}
.preset-btn.active{border-color:var(--comp-primary);background:var(--comp-gradient-soft)}
.preset-icon{font-size:1.25rem}
.preset-name{font-size:.75rem;font-weight:600}
.preset-desc{font-size:.625rem;color:var(--text-muted)}

/* Slider */
.slider-container{padding:.5rem 0}
.quality-slider{width:100%;height:8px;border-radius:4px;background:linear-gradient(90deg,#ef4444 0%,#f59e0b 33%,#22c55e 66%,#3b82f6 100%);outline:none;-webkit-appearance:none}
.quality-slider::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;background:#fff;border:3px solid var(--comp-primary);cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.quality-slider::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:#fff;border:3px solid var(--comp-primary);cursor:pointer}
.slider-labels{display:flex;justify-content:space-between;margin-top:.5rem;font-size:.6875rem;color:var(--text-muted)}

/* Format Select */
.format-select{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}
.format-option{cursor:pointer}
.format-option input{display:none}
.format-label{display:flex;flex-direction:column;align-items:center;gap:.375rem;padding:.75rem .5rem;border:2px solid var(--border-color);border-radius:var(--radius-lg);font-size:.75rem;font-weight:500;color:var(--text-secondary);transition:.2s}
.format-label i{font-size:1.25rem}
.format-option input:checked+.format-label{border-color:var(--comp-primary);background:var(--comp-gradient-soft);color:var(--comp-primary)}

/* Resize */
.resize-toggle{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem}
.toggle-switch{position:relative;width:44px;height:24px;cursor:pointer}
.toggle-switch input{display:none}
.toggle-slider{position:absolute;inset:0;background:var(--border-color);border-radius:12px;transition:.3s}
.toggle-slider::before{content:'';position:absolute;width:18px;height:18px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.3s;box-shadow:0 2px 4px rgba(0,0,0,.1)}
.toggle-switch input:checked+.toggle-slider{background:var(--comp-primary)}
.toggle-switch input:checked+.toggle-slider::before{transform:translateX(20px)}
.toggle-label{font-size:.875rem;color:var(--text-secondary)}
.resize-options{padding:1rem;background:var(--bg-body);border-radius:var(--radius-lg)}
.resize-mode{display:flex;gap:1rem;margin-bottom:1rem}
.resize-mode-option{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-secondary);cursor:pointer}
.resize-mode-option input{accent-color:var(--comp-primary)}
.resize-inputs{display:flex;gap:1rem;flex-wrap:wrap}
.input-group{flex:1;min-width:100px}
.input-group label{display:block;font-size:.75rem;color:var(--text-muted);margin-bottom:.375rem}
.input-with-suffix{display:flex;align-items:center;border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden}
.input-with-suffix input{flex:1;padding:.5rem;border:none;font-size:.875rem;min-width:0;background:transparent}
.input-with-suffix input:focus{outline:none}
.input-with-suffix .suffix{padding:.5rem;background:var(--bg-card);color:var(--text-muted);font-size:.75rem;border-left:1px solid var(--border-color)}
.checkbox-option{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-secondary);cursor:pointer;margin-top:.75rem}
.checkbox-option input{accent-color:var(--comp-primary)}

/* Advanced */
.advanced-toggle{display:flex;align-items:center;gap:.5rem;width:100%;padding:.75rem;border:1px solid var(--border-color);background:var(--bg-body);border-radius:var(--radius-lg);font-size:.875rem;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:.2s}
.advanced-toggle:hover{border-color:var(--comp-primary);color:var(--comp-primary)}
.toggle-arrow{margin-left:auto;transition:transform .3s}
.advanced-toggle.active .toggle-arrow{transform:rotate(180deg)}
.advanced-options{padding:1rem;margin-top:.75rem;background:var(--bg-body);border-radius:var(--radius-lg)}
.advanced-options .checkbox-option{margin-top:0;margin-bottom:.75rem}
.advanced-options .checkbox-option:last-child{margin-bottom:0}

/* Results */
.results-panel{display:flex;flex-direction:column;gap:1.5rem}
.results-card{flex:1;display:flex;flex-direction:column}
.results-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;border-bottom:1px solid var(--border-color);flex-wrap:wrap;gap:1rem}
.results-header h3{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:.5rem;margin:0}
.results-header h3 i{color:var(--comp-primary)}
.image-count{color:var(--text-muted);font-weight:400}
.header-actions{display:flex;gap:.5rem;flex-wrap:wrap}
.btn-action{display:flex;align-items:center;gap:.375rem;padding:.5rem 1rem;border:1px solid var(--border-color);background:var(--bg-body);border-radius:var(--radius-md);font-size:.8125rem;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:.2s}
.btn-action:hover:not(:disabled){border-color:var(--comp-primary);color:var(--comp-primary)}
.btn-action:disabled{opacity:.5;cursor:not-allowed}
.btn-action.btn-clear:hover:not(:disabled){border-color:#ef4444;color:#ef4444}

/* Empty */
.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem;text-align:center}
.empty-icon{width:80px;height:80px;background:var(--comp-gradient-soft);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2.5rem;color:var(--comp-primary);margin-bottom:1.25rem}
.empty-state h4{font-size:1.125rem;font-weight:600;margin:0 0 .5rem}
.empty-state p{color:var(--text-secondary);margin:0}

/* Queue */
.image-queue{padding:1rem;max-height:500px;overflow-y:auto}
.image-item{display:flex;align-items:center;gap:1rem;padding:1rem;background:var(--bg-body);border-radius:var(--radius-lg);margin-bottom:.75rem;transition:.2s}
.image-item:last-child{margin-bottom:0}
.image-item:hover{box-shadow:var(--shadow-md)}
.image-thumb{width:64px;height:64px;border-radius:var(--radius-md);overflow:hidden;flex-shrink:0;background:linear-gradient(45deg,#f0f0f0 25%,transparent 25%),linear-gradient(-45deg,#f0f0f0 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#f0f0f0 75%),linear-gradient(-45deg,transparent 75%,#f0f0f0 75%);background-size:10px 10px;background-position:0 0,0 5px,5px -5px,-5px 0}
.image-thumb img{width:100%;height:100%;object-fit:cover}
.image-info{flex:1;min-width:0}
.image-name{font-size:.875rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:.25rem}
.image-meta{display:flex;gap:.75rem;font-size:.75rem;color:var(--text-muted)}
.original-size{font-weight:500}
.image-progress{height:4px;background:var(--border-color);border-radius:2px;margin-top:.5rem;overflow:hidden}
.image-progress .progress-bar{height:100%;background:var(--comp-gradient);border-radius:2px;animation:progress-indeterminate 1.5s infinite linear}
@keyframes progress-indeterminate{0%{transform:translateX(-100%);width:50%}100%{transform:translateX(200%);width:50%}}
.image-result{display:flex;align-items:center;gap:.75rem;margin-top:.5rem}
.result-size{font-size:.75rem;font-weight:600}
.result-savings{font-size:.75rem;font-weight:600;padding:.125rem .5rem;border-radius:var(--radius-full)}
.result-savings.positive{background:#d1fae5;color:#065f46}
.result-savings.negative{background:#fee2e2;color:#991b1b}
.image-status{flex-shrink:0}
.status-badge{padding:.375rem .75rem;border-radius:var(--radius-full);font-size:.6875rem;font-weight:600;text-transform:uppercase}
.status-badge.pending{background:#e2e8f0;color:#64748b}
.status-badge.compressing{background:#dbeafe;color:#2563eb}
.status-badge.done{background:#d1fae5;color:#065f46}
.status-badge.error{background:#fee2e2;color:#991b1b}
.image-actions{display:flex;gap:.375rem;flex-shrink:0}
.btn-icon{width:32px;height:32px;border:1px solid var(--border-color);background:var(--bg-card);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:.2s;display:flex;align-items:center;justify-content:center;font-size:.875rem}
.btn-icon:hover:not(:disabled){border-color:var(--comp-primary);color:var(--comp-primary)}
.btn-icon:disabled{opacity:.3;cursor:not-allowed}
.btn-icon.btn-remove:hover{border-color:#ef4444;color:#ef4444}

/* Stats */
.total-stats{display:flex;padding:1rem 1.5rem;border-top:1px solid var(--border-color);background:var(--bg-body)}
.total-stats .stat-item{flex:1;text-align:center;padding:.5rem}
.total-stats .stat-item:not(:last-child){border-right:1px solid var(--border-color)}
.total-stats .stat-label{display:block;font-size:.6875rem;color:var(--text-muted);text-transform:uppercase;margin-bottom:.25rem}
.total-stats .stat-value{font-size:.9375rem;font-weight:700}
.total-stats .stat-item.highlight .stat-value{color:var(--comp-secondary)}

/* Preview */
.preview-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--border-color)}
.preview-header h3{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:.5rem;margin:0}
.preview-header h3 i{color:var(--comp-primary)}
.btn-close-preview{width:32px;height:32px;border:none;background:var(--bg-body);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:.2s;display:flex;align-items:center;justify-content:center}
.btn-close-preview:hover{background:#fee2e2;color:#ef4444}
.preview-container{padding:1rem}
.preview-slider{position:relative;width:100%;aspect-ratio:16/10;border-radius:var(--radius-lg);overflow:hidden;background:linear-gradient(45deg,#f0f0f0 25%,transparent 25%),linear-gradient(-45deg,#f0f0f0 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#f0f0f0 75%),linear-gradient(-45deg,transparent 75%,#f0f0f0 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}
.preview-image{position:absolute;inset:0}
.preview-image img{width:100%;height:100%;object-fit:contain}
.preview-image.compressed{clip-path:inset(0 0 0 50%)}
.preview-label{position:absolute;top:1rem;padding:.375rem .75rem;background:rgba(0,0,0,.7);color:#fff;font-size:.75rem;font-weight:600;border-radius:var(--radius-md)}
.preview-image.original .preview-label{left:1rem}
.preview-image.compressed .preview-label{right:1rem}
.preview-size{position:absolute;bottom:1rem;padding:.25rem .5rem;background:rgba(0,0,0,.7);color:#fff;font-size:.6875rem;border-radius:var(--radius-sm)}
.preview-image.original .preview-size{left:1rem}
.preview-image.compressed .preview-size{right:1rem}
.preview-divider{position:absolute;top:0;bottom:0;left:50%;width:4px;background:#fff;cursor:ew-resize;z-index:10;transform:translateX(-50%);box-shadow:0 0 10px rgba(0,0,0,.3)}
.divider-handle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(0,0,0,.2);color:var(--text-secondary)}
.preview-info{display:flex;justify-content:center;gap:2rem;padding:1rem;border-top:1px solid var(--border-color);font-size:.8125rem;color:var(--text-secondary)}
.preview-savings{font-weight:600;color:var(--comp-secondary)}

/* Features */
.features-section{margin-bottom:3rem}
.section-header{text-align:center;margin-bottom:2rem}
.section-header h2{font-size:1.75rem;font-weight:700;display:flex;align-items:center;justify-content:center;gap:.75rem;margin:0}
.section-header h2 i{color:var(--comp-primary)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.feature-card{background:var(--bg-card);border-radius:var(--radius-xl);padding:2rem;text-align:center;box-shadow:var(--shadow-md);transition:.3s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feature-icon{width:64px;height:64px;background:var(--comp-gradient-soft);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:1.75rem;color:var(--comp-primary);margin:0 auto 1.25rem}
.feature-card h3{font-size:1.125rem;font-weight:700;margin:0 0 .75rem}
.feature-card p{color:var(--text-secondary);font-size:.9375rem;line-height:1.6;margin:0}

/* How-to */
.howto-section{margin-bottom:3rem}
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.howto-step{text-align:center;position:relative}
.howto-step:not(:last-child)::after{content:'';position:absolute;top:28px;right:-.75rem;width:calc(100% - 56px);height:2px;background:var(--border-color);transform:translateX(50%)}
.step-number{width:56px;height:56px;background:var(--comp-gradient);color:#fff;font-size:1.5rem;font-weight:700;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;position:relative;z-index:1;box-shadow:0 4px 15px rgba(99,102,241,.3)}
.step-content h3{font-size:1rem;font-weight:700;margin:0 0 .5rem}
.step-content p{font-size:.875rem;color:var(--text-secondary);line-height:1.5;margin:0}

/* FAQ */
.faq-section{background:var(--bg-card);border-radius:var(--radius-xl);padding:2rem;box-shadow:var(--shadow-lg)}
.faq-section .section-header{margin-bottom:1.5rem}
.accordion-item{border:1px solid var(--border-color);border-radius:var(--radius-lg)!important;margin-bottom:1rem;overflow:hidden}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{padding:1.25rem;font-size:1rem;font-weight:600;background:var(--bg-card)}
.accordion-button:not(.collapsed){color:var(--comp-primary);background:var(--comp-gradient-soft)}
.accordion-button:focus{box-shadow:none}
.accordion-body{padding:0 1.25rem 1.25rem;color:var(--text-secondary);line-height:1.7}
.accordion-body ul{margin:.75rem 0;padding-left:1.5rem}
.accordion-body li{margin-bottom:.375rem}

/* Dark Mode */
[data-theme="dark"] .upload-card,[data-theme="dark"] .settings-card,[data-theme="dark"] .results-card,[data-theme="dark"] .preview-card,[data-theme="dark"] .feature-card,[data-theme="dark"] .faq-section{background:var(--bg-card)}
[data-theme="dark"] .upload-area,[data-theme="dark"] .preset-btn,[data-theme="dark"] .format-label,[data-theme="dark"] .resize-options,[data-theme="dark"] .advanced-toggle,[data-theme="dark"] .advanced-options,[data-theme="dark"] .btn-action,[data-theme="dark"] .image-item,[data-theme="dark"] .total-stats,[data-theme="dark"] .btn-reset,[data-theme="dark"] .btn-icon{background:#1e293b;border-color:var(--border-color)}
[data-theme="dark"] .upload-info{background:#064e3b;color:#a7f3d0}
[data-theme="dark"] .input-with-suffix{border-color:var(--border-color)}
[data-theme="dark"] .input-with-suffix .suffix{background:#334155}
[data-theme="dark"] .accordion-item{background:var(--bg-card);border-color:var(--border-color)}
[data-theme="dark"] .accordion-button{background:var(--bg-card)}
[data-theme="dark"] .accordion-button:not(.collapsed){background:rgba(99,102,241,.1)}

/* Responsive */
@media(max-width:1199.98px){.compressor-wrapper{grid-template-columns:380px 1fr}}
@media(max-width:991.98px){.compressor-wrapper{grid-template-columns:1fr}.features-grid{grid-template-columns:repeat(2,1fr)}.howto-steps{grid-template-columns:repeat(2,1fr);gap:2rem}.howto-step:not(:last-child)::after{display:none}}
@media(max-width:767.98px){.hero-title{font-size:2rem}.preset-buttons,.format-select{grid-template-columns:repeat(2,1fr)}.features-grid,.howto-steps{grid-template-columns:1fr}.header-actions{width:100%;justify-content:flex-end}.image-item{flex-wrap:wrap}.image-actions{width:100%;justify-content:flex-end;margin-top:.5rem}.total-stats{flex-wrap:wrap}.total-stats .stat-item{flex:0 0 50%;border-right:none}.total-stats .stat-item:nth-child(1),.total-stats .stat-item:nth-child(2){border-bottom:1px solid var(--border-color)}.total-stats .stat-item.highlight{flex:0 0 100%}.preview-info{flex-direction:column;align-items:center;gap:.5rem}}
@media(max-width:575.98px){.hero-title{font-size:1.75rem}.upload-area{padding:2rem 1.5rem;margin:1rem}.settings-card{padding:1rem}.resize-inputs{flex-direction:column}.image-thumb{width:48px;height:48px}.btn-action span{display:none}}
@media print{.compressor-hero,.upload-panel,.header-actions,.image-actions,.preview-card,.features-section,.howto-section,.faq-section{display:none!important}.compressor-wrapper{grid-template-columns:1fr}}