/* ============================================
   Watermark Generator - Styles
   ============================================ */

/* Root Variables */
:root {
    --primary-color: #C62E2E;
    --secondary-color: #1e1e1e;
    --accent-color: #C1E172;
    --bg-light: #f8f9fa;
    --text-dark: #1e1e1e;
    --text-muted: #6c757d;
    --white: #ffffff;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition: all 0.3s ease;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #a02424 100%);
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" opacity=".1" fill="%23ffffff"/></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-section h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.95);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-icon {
    margin-top: 30px;
    animation: float 3s ease-in-out infinite;
}

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

/* Tool Section */
.tool-section {
    padding: 60px 0;
}

.tool-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

/* Watermark Controls */
.watermark-controls {
    border-right: 2px solid var(--bg-light);
    padding-right: 40px;
}

.watermark-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--bg-light);
}

.tab-btn {
    flex: 1;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

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

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

.tab-content {
    display: none;
}

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

.control-group {
    margin-bottom: 25px;
}

.control-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.control-group input[type="text"],
.control-group input[type="number"],
.control-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: var(--transition);
}

.control-group input[type="text"]:focus,
.control-group input[type="number"]:focus,
.control-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(198, 46, 46, 0.1);
}

.control-group input[type="color"] {
    width: 100%;
    height: 45px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
}

.control-group input[type="file"] {
    width: 100%;
    padding: 12px;
    border: 2px dashed #e0e0e0;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.control-group input[type="file"]:hover {
    border-color: var(--primary-color);
    background-color: rgba(198, 46, 46, 0.02);
}

.control-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.control-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.control-group input[type="range"] {
    width: calc(100% - 60px);
    margin-right: 10px;
}

.range-value {
    display: inline-block;
    min-width: 50px;
    text-align: right;
    font-weight: 600;
    color: var(--primary-color);
}

/* Position Grid */
.position-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.position-btn {
    padding: 15px;
    background: var(--bg-light);
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius-sm);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.position-btn:hover {
    background: var(--white);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.position-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.position-btn.tiled {
    grid-column: span 3;
    font-size: 0.9rem;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 30px;
}

.btn {
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background: #a02424;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(198, 46, 46, 0.3);
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-dark);
    border: 2px solid #e0e0e0;
}

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

.btn-success {
    background: var(--accent-color);
    color: var(--text-dark);
}

.btn-success:hover {
    background: #a8c85d;
    transform: translateY(-2px);
}

/* Preview Area */
.preview-area {
    overflow-y: auto;
    max-height: 800px;
}

.preview-area h3 {
    margin-bottom: 20px;
    color: var(--text-dark);
    font-size: 1.3rem;
}

#previewContainer {
    min-height: 400px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 400px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    border: 2px dashed #e0e0e0;
}

.empty-state p {
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.preview-item {
    background: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 20px;
    position: relative;
}

.preview-item canvas {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow);
}

.preview-item-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.preview-item-actions button {
    flex: 1;
}

#downloadSection {
    margin-top: 20px;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background: var(--white);
}

.features-section h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    padding: 30px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* How To Section */
.how-to-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.how-to-section h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: var(--text-dark);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.step-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.step-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Content Section */
.content-section {
    padding: 80px 0;
    background: var(--white);
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.content-wrapper h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.content-wrapper h3 {
    font-size: 1.6rem;
    margin: 40px 0 20px;
    color: var(--text-dark);
}

.content-wrapper p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-dark);
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #2a2a2a 100%);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.btn-cta-primary {
    background: var(--primary-color);
    color: var(--white);
    padding: 16px 40px;
    font-size: 1.1rem;
}

.btn-cta-primary:hover {
    background: #a02424;
    transform: translateY(-2px);
}

.btn-cta-secondary {
    background: var(--white);
    color: var(--text-dark);
    padding: 16px 40px;
    font-size: 1.1rem;
}

.btn-cta-secondary:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

.cta-subtext {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.7);
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.faq-section h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: var(--text-dark);
}

.faq-accordion {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 25px;
    background: var(--white);
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 25px 25px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .tool-card {
        grid-template-columns: 1fr;
    }
    
    .watermark-controls {
        border-right: none;
        border-bottom: 2px solid var(--bg-light);
        padding-right: 0;
        padding-bottom: 40px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .tool-card {
        padding: 25px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .control-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .position-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .position-btn.tiled {
        grid-column: span 2;
    }
}