:root {
    --primary: #6366f1;
    --secondary: #ec4899;
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --current-color: #ff0000;
	--current-bg-color: #ff9500;
    --glass-blur: blur(20px);
    --header-height: 80px;
    
    /* Light mode defaults */
    --background: #ffffff;
    --text: #1e293b;
    --border: rgba(0,0,0,0.1);
    --glass: rgba(0,0,0,0.05);
    --card-bg: rgba(255,255,255,0.8);
}

body.dark-mode {
    --background: #0f172a;
    --text: #f8fafc;
    --border: rgba(255,255,255,0.1);
    --glass: rgba(255,255,255,0.05);
    --card-bg: rgba(15,23,42,0.8);
}

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    transition: var(--transition);
    padding-top: var(--header-height);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--glass);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.1);
    height: var(--header-height);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

/* Main Content */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 2;
}

/* Controls */
.controls {
    background: var(--glass);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.top-controls {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    align-items: center;
}

input[type="text"] {
    width: 100%;
    padding: 1.25rem;
    background: rgba(255,255,255,0.05);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
}

input[type="text"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.button-group {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.google-fonts-button {
    background: #4285f4;
    color: white;
    border: none;
    padding: 1.25rem 2.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
    flex: 1;
    font-weight: 600;
}

.google-fonts-button:hover {
    background: #357abd;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(66, 133, 244, 0.3);
}

.system-fonts-button {
    background: #34a853;
    color: white;
    border: none;
    padding: 1.25rem 2.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
    flex: 1;
    font-weight: 600;
}

.system-fonts-button:hover {
    background: #2e8b57;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(52, 168, 83, 0.3);
}

.style-controls {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.style-toggles {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 12px;
    background: rgba(255,255,255,0.08);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.style-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
}

.style-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.style-btn:hover {
    transform: translateY(-2px);
}

.color-picker-container {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.color-picker-container input[type="color"] {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.color-picker-inner {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--current-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-container {
    width: 100%;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    color: var(--text);
    opacity: 0.9;
}

#fontSize {
    width: 100%;
    height: 6px;
    accent-color: var(--primary);
    background: rgba(255,255,255,0.05);
    border-radius: 3px;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    padding-bottom: 2rem;
}

.font-box {
    background: var(--glass);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: var(--transition);
    cursor: pointer;
}

.font-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.font-box.compare-mode {
    border-color: var(--primary);
    background: linear-gradient(45deg, 
        rgba(99, 102, 241, 0.1) 0%,
        rgba(99, 102, 241, 0.05) 100%
    );
}

.font-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.font-name {
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
}

.download-btn {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
}

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

.preview-text {
    font-size: 1.5rem;
    line-height: 1.4;
    min-height: 100px;
    display: flex;
    align-items: center;
}

.comparison-bar {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--glass);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 2rem;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.view-btn {
    background: var(--secondary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.view-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(236, 72, 153, 0.3);
}

/* New Share Button Styles */
#shareSelected {
    background: #8b5cf6;
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

#shareSelected:hover {
    background: #7c4dff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.3);
}

.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s ease-in-out infinite;
}

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

.error-message {
    background: #fee2e2;
    color: #b91c1c;
    padding: 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    border-left: 4px solid #dc2626;
    display: none;
}

/* Footer Styles */
.footer {
    background: var(--glass);
    backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
    }
    
    .top-controls {
        flex-direction: column;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .google-fonts-button, 
    .system-fonts-button {
        width: 100%;
        justify-content: center;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-bar {
        width: 90%;
        padding: 1rem;
    }
    
    .style-toggles {
        padding: 0.5rem;
        gap: 0.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

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

.animate-in {
    animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}