/* ========================================
   CUTCOMPRESS TOOLS - SHARED CSS
   Dark/Light Theme | Responsive | Animated
======================================== */

/* CSS Variables for Theming */
:root {
    /* Light Theme (default) */
    --bg-primary: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    --bg-card: #ffffff;
    --bg-input: #f8fafc;
    --text-primary: #22223b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --accent-primary: #4f46e5;
    --accent-secondary: #7c3aed;
    --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --border-color: #e2e8f0;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
}

[data-theme="dark"] {
    /* Dark Theme */
    --bg-primary: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --bg-card: #1e293b;
    --bg-input: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #818cf8;
    --accent-secondary: #a78bfa;
    --accent-gradient: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
    --border-color: #334155;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 999;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    padding: 10px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.theme-toggle:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    font-size: 1.2rem;
}

[data-theme="dark"] .theme-toggle .icon-sun { display: inline; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: inline; }

/* Tool Page Container */
.tool-page {
    min-height: 100vh;
    background: var(--bg-primary);
    padding: 2rem;
    transition: all 0.3s ease;
}

.tool-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Tool Header */
.tool-header {
    text-align: center;
    margin-bottom: 2rem;
    animation: fadeInDown 0.6s ease;
}

.tool-header .emoji-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
}

.tool-header h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Instructions Card */
.instructions-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--accent-primary);
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.instructions-card h3 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
}

.instructions-card ol {
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.instructions-card li {
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
}

.instructions-card li::marker {
    color: var(--accent-primary);
    font-weight: bold;
}

/* Main Tool Card */
.tool-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.6s ease 0.3s backwards;
}

/* Upload Area */
.upload-area {
    border: 3px dashed var(--border-color);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-input);
    margin-bottom: 1.5rem;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--accent-primary);
    background: rgba(79, 70, 229, 0.05);
    transform: scale(1.01);
}

.upload-area .upload-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

.upload-area h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.upload-area p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.upload-area .browse-btn {
    background: var(--accent-gradient);
    color: white;
    border: none;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.upload-area .browse-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    background: var(--bg-input);
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* Form Row (for side-by-side inputs) */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* Buttons */
.btn {
    padding: 14px 32px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.btn-download {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    font-size: 1.1rem;
    padding: 16px 40px;
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

/* Button Group */
.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Preview Area */
.preview-area {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-input);
    border-radius: 16px;
    border: 2px solid var(--border-color);
}

.preview-area h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.preview-image {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

/* Output/Result Area */
.output-area {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-input);
    border-radius: 16px;
    border: 2px solid var(--border-color);
    animation: fadeIn 0.5s ease;
}

.output-area h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.output-text {
    background: var(--bg-card);
    padding: 1rem;
    border-radius: 10px;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.95rem;
    color: var(--text-primary);
    word-break: break-all;
    white-space: pre-wrap;
    max-height: 300px;
    overflow-y: auto;
}

/* Copy Button */
.copy-btn {
    background: var(--accent-primary);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background: var(--accent-secondary);
}

.copy-btn.copied {
    background: var(--success);
}

/* Progress Bar */
.progress-container {
    margin-top: 1.5rem;
    display: none;
}

.progress-container.active {
    display: block;
}

.progress-bar {
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

.progress-text {
    text-align: center;
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Options Grid */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.option-card {
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.option-card:hover, .option-card.selected {
    border-color: var(--accent-primary);
    background: rgba(79, 70, 229, 0.05);
    transform: translateY(-3px);
}

.option-card.selected {
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.option-card .option-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.option-card .option-label {
    color: var(--text-primary);
    font-weight: 500;
}

/* Template Cards */
.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.template-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.template-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.template-card.selected {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.template-preview {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--bg-input);
}

.template-info {
    padding: 1rem;
}

.template-info h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.template-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Canvas Container */
.canvas-container {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
    overflow: auto;
}

.canvas-container canvas {
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    max-width: 100%;
}

/* Loading Spinner */
.loading-spinner {
    display: none;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.loading-spinner.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: fadeIn 0.3s ease;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--info);
    color: var(--info);
}

/* Tags/Chips */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag {
    background: var(--accent-gradient);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    animation: popIn 0.3s ease;
}

.tag .remove-tag {
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.tag .remove-tag:hover {
    opacity: 1;
}

/* Color Picker */
.color-picker-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.color-picker-group input[type="color"] {
    width: 50px;
    height: 50px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    padding: 2px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
    overflow-x: auto;
}

.tab {
    padding: 12px 24px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
}

.tab:hover {
    color: var(--accent-primary);
}

.tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

/* Range Slider */
.range-group {
    margin-bottom: 1.5rem;
}

.range-group label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.range-group input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--bg-input);
    outline: none;
    -webkit-appearance: none;
}

.range-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.range-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

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

@keyframes popIn {
    0% { transform: scale(0); opacity: 0; }
    80% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .tool-container {
        padding: 0 0.5rem;
    }
    
    .tool-header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .tool-page {
        padding: 1rem;
    }
    
    .theme-toggle {
        top: auto;
        bottom: 20px;
        right: 20px;
        padding: 8px 12px;
    }
    
    .tool-header h1 {
        font-size: 1.75rem;
    }
    
    .tool-header .emoji-icon {
        font-size: 3rem;
    }
    
    .tool-card {
        padding: 1.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area .upload-icon {
        font-size: 3rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
    
    .btn-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .template-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 480px) {
    .tool-header h1 {
        font-size: 1.5rem;
    }
    
    .tool-header p {
        font-size: 0.95rem;
    }
    
    .tool-card {
        padding: 1rem;
        border-radius: 16px;
    }
    
    .instructions-card {
        padding: 1rem;
    }
    
    .tabs {
        gap: 0;
    }
    
    .tab {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .template-grid {
        grid-template-columns: 1fr;
    }
    
    .options-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Print Styles */
@media print {
    .theme-toggle,
    .instructions-card,
    .btn-group,
    .navbar,
    footer {
        display: none !important;
    }
    
    .tool-page {
        padding: 0;
        background: white;
    }
    
    .tool-card {
        box-shadow: none;
        border: none;
    }
}