/* Theme Variables and Theme Toggle */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f1f3f4;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --border-color: #e1e5e9;
    --border-hover: #d1d5db;
    --accent-color: #000000;
    --shadow-light: rgba(0, 0, 0, 0.05);
    --shadow-medium: rgba(0, 0, 0, 0.1);
    --shadow-heavy: rgba(0, 0, 0, 0.15);
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --section-bg: #ffffff;
    --dropdown-bg: #f8f9fa;
}

[data-theme="dark"] {
    --bg-primary: #000000;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-tertiary: #666666;
    --border-color: #333333;
    --border-hover: #555555;
    --accent-color: #ffffff;
    --shadow-light: rgba(255, 255, 255, 0.03);
    --shadow-medium: rgba(255, 255, 255, 0.06);
    --shadow-heavy: rgba(255, 255, 255, 0.1);
    --section-bg: #111111;
    --dropdown-bg: #1a1a1a;
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 1000;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 12px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px var(--shadow-light);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    font-size: 14px;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px var(--shadow-medium);
}

@media (max-width: 768px) {
    .theme-toggle {
        top: 20px;
        right: 20px;
        padding: 10px 16px;
        font-size: 13px;
    }
}