/* ============================================
   PSD to JPG Converter - Styling
   Dark mode support with light mode default
   ============================================ */

/* CSS Variables - Light Mode (Default) */
:root {
    --transition-speed: 0.25s;
    
    /* Tool Accent Color */
    --tool-color: #3399cc;
    --tool-color-light: rgba(51, 153, 204, 0.1);
    --tool-color-dark: #2a7faa;
    
    /* Primary Colors */
    --primary: #3399cc;
    --primary-light: #e0f2fe;
    --primary-dark: #2a7faa;
    --accent: #60a5fa;
    
    /* Status Colors */
    --success: #339966;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #e64e4e;
    --danger-light: #fee2e2;
    
    /* Background Colors */
    --bg: #f8fafc;
    --bg-elevated: #ffffff;
    --bg-secondary: #f1f5f9;
    --bg-tertiary: #e2e8f0;
    
    /* Text Colors */
    --text: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    /* Border Colors */
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Input */
    --input-bg: #ffffff;
    --input-border: #e2e8f0;
}

/* Dark Mode */
[data-theme="dark"] {
    --tool-color: #60a5fa;
    --tool-color-light: rgba(96, 165, 250, 0.12);
    --tool-color-dark: #3b82f6;
    
    --primary: #60a5fa;
    --primary-light: rgba(96, 165, 250, 0.15);
    --primary-dark: #3b82f6;
    --accent: #93c5fd;
    
    --success: #4ade80;
    --success-light: rgba(74, 222, 128, 0.15);
    --warning: #fbbf24;
    --warning-light: rgba(251, 191, 36, 0.15);
    --danger: #f87171;
    --danger-light: rgba(248, 113, 113, 0.15);
    
    --bg: #0f172a;
    --bg-elevated: #1e293b;
    --bg-secondary: #334155;
    --bg-tertiary: #475569;
    
    --text: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --border: rgba(255,255,255,0.1);
    --border-light: rgba(255,255,255,0.05);
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.5);
    
    --input-bg: #334155;
    --input-border: #475569;
}

/* ============================================
   LAYOUT
   ============================================ */
.tool-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 30px 20px 60px;
}

/* ============================================
   HERO / HEADER
   ============================================ */
.tool-header {
    text-align: center;
    margin-bottom: 30px;
}

.tool-title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 12px;
}

.tool-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--tool-color-light);
    border-radius: var(--radius-md);
    color: var(--tool-color);
    flex-shrink: 0;
}

.tool-icon-wrapper i {
    width: 28px;
    height: 28px;
}

.tool-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    margin: 0;
    line-height: 1.2;
}

.tool-description {
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
}

/* ============================================
   UPLOAD AREA
   ============================================ */
.upload-section {
    margin-bottom: 24px;
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 50px 30px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    background: var(--bg-elevated);
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--tool-color);
    background: var(--tool-color-light);
}

.upload-icon {
    color: var(--tool-color);
    margin-bottom: 16px;
    opacity: 0.7;
    transition: opacity var(--transition-speed);
}

.upload-area:hover .upload-icon {
    opacity: 1;
}

.upload-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 6px;
}

.upload-subtitle {
    color: var(--text-muted);
    margin: 0 0 16px;
    font-size: 14px;
}

.file-types {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 12px;
}

.file-type-badge {
    display: inline-block;
    padding: 4px 14px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.upload-hint {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================
   SETTINGS PANEL
   ============================================ */
.settings-panel {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
}

.settings-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 20px;
}

.settings-header h3 i {
    color: var(--tool-color);
}

.settings-grid {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.setting-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.setting-label i {
    color: var(--tool-color);
}

/* Quality Slider */
.quality-control {
    display: flex;
    align-items: center;
    gap: 14px;
}

.quality-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-tertiary);
    outline: none;
    cursor: pointer;
}

.quality-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--tool-color);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    transition: transform 0.15s;
}

.quality-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.quality-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--tool-color);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.quality-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--tool-color);
    min-width: 40px;
    text-align: right;
}

.quality-presets {
    display: flex;
    gap: 8px;
}

.preset-btn {
    padding: 6px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.preset-btn:hover {
    border-color: var(--tool-color);
    color: var(--tool-color);
}

.preset-btn.active {
    background: var(--tool-color);
    border-color: var(--tool-color);
    color: #fff;
}

/* Resize */
.setting-select {
    padding: 10px 14px;
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
    outline: none;
    transition: border-color var(--transition-speed);
    max-width: 260px;
}

.setting-select:focus {
    border-color: var(--tool-color);
}

.custom-size-input {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.size-input {
    width: 100px;
    padding: 8px 12px;
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text);
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition-speed);
}

.size-input:focus {
    border-color: var(--tool-color);
}

.size-separator {
    color: var(--text-muted);
    display: flex;
}

.aspect-lock {
    cursor: pointer;
    display: flex;
    align-items: center;
    color: var(--tool-color);
    opacity: 0.7;
    transition: opacity var(--transition-speed);
}

.aspect-lock:hover {
    opacity: 1;
}

.aspect-lock input {
    display: none;
}

/* Background Color */
.bg-color-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.color-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.color-btn:hover {
    border-color: var(--tool-color);
}

.color-btn.active {
    border-color: var(--tool-color);
    background: var(--tool-color-light);
    color: var(--tool-color);
}

.color-swatch {
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: 4px;
    flex-shrink: 0;
}

.color-picker-input {
    width: 22px;
    height: 22px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    padding: 0;
    background: none;
}

/* ============================================
   FILE QUEUE
   ============================================ */
.file-queue {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    margin-bottom: 20px;
}

.queue-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.queue-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

.queue-header h3 i {
    color: var(--tool-color);
}

.queue-actions {
    display: flex;
    gap: 8px;
}

.btn-add-more,
.btn-clear {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.btn-add-more:hover {
    border-color: var(--tool-color);
    color: var(--tool-color);
}

.btn-clear:hover {
    border-color: var(--danger);
    color: var(--danger);
}

.queue-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* File Item */
.file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    transition: background var(--transition-speed);
}

.file-item-icon {
    color: var(--tool-color);
    flex-shrink: 0;
}

.file-item-info {
    flex: 1;
    min-width: 0;
}

.file-item-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-item-size {
    font-size: 12px;
    color: var(--text-muted);
}

.file-item-status {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    flex-shrink: 0;
}

.file-item-status.converting {
    color: var(--warning);
}

.file-item-status.done {
    color: var(--success);
}

.file-item-status.error {
    color: var(--danger);
}

.file-item-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-speed);
    flex-shrink: 0;
}

.file-item-remove:hover {
    background: var(--danger-light);
    color: var(--danger);
}

/* Progress bar inside file item */
.file-item-progress {
    width: 100%;
    height: 3px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    margin-top: 6px;
    overflow: hidden;
}

.file-item-progress-bar {
    height: 100%;
    background: var(--tool-color);
    border-radius: 2px;
    width: 0%;
    transition: width 0.3s ease;
}

/* ============================================
   ACTION BAR
   ============================================ */
.action-bar {
    text-align: center;
    margin-bottom: 30px;
}

.btn-convert {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 40px;
    background: var(--tool-color);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    box-shadow: 0 4px 14px rgba(51, 153, 204, 0.3);
}

.btn-convert:hover {
    background: var(--tool-color-dark);
    box-shadow: 0 6px 20px rgba(51, 153, 204, 0.4);
    transform: translateY(-1px);
}

.btn-convert:active {
    transform: translateY(0);
}

.btn-convert:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-convert.converting {
    pointer-events: none;
}

/* ============================================
   RESULTS SECTION
   ============================================ */
.results-section {
    margin-bottom: 30px;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.results-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    color: var(--success);
    margin: 0;
}

.results-actions {
    display: flex;
    gap: 10px;
}

.btn-download-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--success);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.btn-download-all:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-new {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.btn-new:hover {
    border-color: var(--tool-color);
    color: var(--tool-color);
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.result-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow var(--transition-speed);
}

.result-card:hover {
    box-shadow: var(--shadow-md);
}

.result-preview {
    aspect-ratio: 4/3;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.result-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.result-info {
    padding: 14px 16px;
}

.result-filename {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 6px;
}

.result-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.result-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.result-download {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px;
    background: var(--tool-color);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    text-decoration: none;
}

.result-download:hover {
    background: var(--tool-color-dark);
}

/* Error result */
.result-card.error .result-preview {
    color: var(--danger);
}

.result-card.error .result-download {
    background: var(--danger);
}

/* ============================================
   RELATED TOOLS
   ============================================ */
.related-tools {
    margin-bottom: 40px;
}

.related-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 16px;
    text-align: center;
}

.related-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.related-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition-speed);
}

.related-link:hover {
    border-color: var(--tool-color);
    color: var(--tool-color);
    background: var(--tool-color-light);
}

.related-link i {
    color: var(--tool-color);
}

/* ============================================
   INFO SECTIONS
   ============================================ */
.info-sections {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card {
    padding: 24px 28px;
}

.info-card h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 16px;
}

.info-card h2 i {
    color: var(--tool-color);
    flex-shrink: 0;
}

.info-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0 0 12px;
}

.info-card p:last-child {
    margin-bottom: 0;
}

.info-card a {
    color: var(--tool-color);
    text-decoration: none;
    font-weight: 500;
}

.info-card a:hover {
    text-decoration: underline;
}

/* Steps List */
.steps-list {
    padding-left: 20px;
    margin: 0;
}

.steps-list li {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 8px;
    padding-left: 6px;
}

.steps-list li:last-child {
    margin-bottom: 0;
}

/* Comparison Table */
.comparison-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.comparison-table th,
.comparison-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.comparison-table th {
    font-weight: 600;
    color: var(--text);
    background: var(--bg-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.comparison-table td {
    color: var(--text-secondary);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody tr:hover {
    background: var(--tool-color-light);
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color var(--transition-speed);
}

.faq-item.open {
    border-color: var(--tool-color);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 16px 18px;
    background: var(--bg-elevated);
    border: none;
    color: var(--text);
    font-size: 15px;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    gap: 12px;
    transition: background var(--transition-speed);
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-question i {
    color: var(--text-muted);
    flex-shrink: 0;
    transition: transform var(--transition-speed);
}

.faq-item.open .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 18px 16px;
}

.faq-answer p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 14px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 640px) {
    .tool-container {
        padding: 20px 14px 40px;
    }
    
    .tool-title {
        font-size: 22px;
    }
    
    .tool-description {
        font-size: 14px;
    }
    
    .upload-area {
        padding: 36px 20px;
    }
    
    .settings-panel {
        padding: 18px;
    }
    
    .file-queue {
        padding: 16px;
    }
    
    .queue-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .bg-color-options {
        flex-direction: column;
    }
    
    .info-card {
        padding: 18px 20px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .btn-convert {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .custom-size-input {
        flex-wrap: wrap;
    }
    
    .size-input {
        width: 80px;
    }
    
    .related-grid {
        flex-direction: column;
        align-items: stretch;
    }
    
    .related-link {
        justify-content: center;
    }
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   TOAST / NOTIFICATION
   ============================================ */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text);
    color: var(--bg-elevated);
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    opacity: 0;
    transition: all 0.35s ease;
    max-width: 90vw;
    text-align: center;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.error {
    background: var(--danger);
    color: #fff;
}

.toast.success {
    background: var(--success);
    color: #fff;
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion) {
    * {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}