:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --accent-color: #9b59b6;
    --text-color: #333;
    --text-light: #777;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --border-color: #e1e5e9;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
    --radius: 12px;
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --primary-color: #4a9de3;
    --secondary-color: #36d67c;
    --accent-color: #b07fd6;
    --text-color: #f0f0f0;
    --text-light: #b0b0b0;
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --border-color: #333;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: var(--transition);
    line-height: 1.6;
}

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

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.theme-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
    color: var(--text-color);
    font-size: 1.2rem;
}

.theme-btn:hover {
    transform: rotate(15deg);
    box-shadow: var(--shadow-hover);
}

.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    animation: fadeIn 0.8s ease;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.dashboard {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 30px;
    margin-bottom: 40px;
}

@media (max-width: 900px) {
    .dashboard {
        grid-template-columns: 1fr;
    }
}

.preview-section {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.preview-card, .recent-designs, .control-group, .ai-suggestions {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 25px;
    transition: var(--transition);
    animation: slideUp 0.5s ease;
}

.preview-card:hover, .recent-designs:hover, .control-group:hover, .ai-suggestions:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.preview-card h3, .recent-designs h3, .control-group h3, .ai-suggestions h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
}

.preview-container {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 20px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.preview-container:hover {
    transform: scale(1.05);
}

#favicon-preview {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: transparent;
}

.preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 8px;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0;
    transition: var(--transition);
}

.preview-container:hover .preview-overlay {
    opacity: 1;
}

.preview-sizes {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.size-option {
    padding: 8px 15px;
    background: var(--bg-color);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

.size-option:hover {
    background: var(--primary-color);
    color: white;
}

.size-option.active {
    background: var(--primary-color);
    color: white;
}

.download-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: 'Poppins', sans-serif;
}

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

.btn-download:hover {
    background: #27ae60;
    transform: translateY(-2px);
}

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

.btn-ai:hover {
    background: #8e44ad;
    transform: translateY(-2px);
}

.toggle-advanced {
    width: 100%;
    background: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    margin-top: 20px;
}

.toggle-advanced:hover {
    background: var(--primary-color);
    color: white;
}

.recent-designs .designs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.design-item {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid var(--border-color);
}

.design-item:hover {
    transform: scale(1.1);
    border-color: var(--primary-color);
}

.controls-section {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.control-row {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.control-row label {
    min-width: 120px;
    font-weight: 500;
    color: var(--text-color);
}

.input-with-icon {
    position: relative;
    flex: 1;
}

.input-with-icon input {
    width: 100%;
    padding: 10px 60px 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
}

.char-count {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--text-light);
}

.color-picker {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.color-picker input[type="color"] {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.hex-input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
}

.color-random {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-color);
}

.color-random:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(90deg);
}

select {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
}

.range-container {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.range-container input[type="range"] {
    flex: 1;
}

.range-container input[type="number"] {
    width: 70px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
}

.advanced-options {
    display: none;
    animation: fadeIn 0.5s ease;
}

.ai-suggestions {
    display: none;
}

.suggestions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.suggestion-item {
    width: 100%;
    height: 80px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.suggestion-item:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 25px;
    text-align: center;
    transition: var(--transition);
    animation: fadeIn 0.8s ease;
}

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

.stat-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.stat-card h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.stat-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--secondary-color);
    color: white;
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 1000;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

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

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

@media (max-width: 768px) {
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .recent-designs .designs-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .suggestions-grid {
        grid-template-columns: 1fr;
    }
    
    .control-row {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .control-row label {
        margin-bottom: 5px;
    }
    
    .color-picker, .range-container, select, .input-with-icon {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .stats {
        grid-template-columns: 1fr;
    }
    
    .recent-designs .designs-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .header h1 {
        font-size: 2rem;
    }
}