/* ===== DARK THEME ===== */
[data-theme="dark"] {
    /* ===== Primary Colors ===== */
    --first-color: hsl(230, 69%, 61%);
    --first-color-second: hsl(230, 30%, 8%);
    --first-color-alt: hsl(230, 57%, 53%);
    --first-color-lighter: hsl(230, 92%, 85%);
    --first-color-light: hsl(230, 69%, 71%);
    
    /* ===== Accent Colors ===== */
    --accent-color: #FFD700;
    --accent-color-alt: #FFA500;
    
    /* ===== Text Colors ===== */
    --title-color: hsl(230, 8%, 95%);
    --text-color: hsl(230, 8%, 75%);
    --text-color-light: hsl(230, 8%, 65%);
    --text-color-lighter: hsl(230, 8%, 55%);
    
    /* ===== Background Colors ===== */
    --body-color: hsl(230, 28%, 12%);
    --container-color: hsl(230, 29%, 16%);
    --input-color: hsl(230, 29%, 16%);
    --card-color: hsl(230, 29%, 18%);
    --modal-color: hsl(230, 29%, 20%);
    
    /* ===== Border Colors ===== */
    --border-color: hsl(230, 20%, 25%);
    --border-color-alt: hsl(230, 20%, 30%);
    --divider-color: hsl(230, 20%, 22%);
    
    /* ===== Scroll Colors ===== */
    --scroll-bar-color: hsl(230, 12%, 48%);
    --scroll-thumb-color: hsl(230, 12%, 36%);
    
    /* ===== Shadow Colors ===== */
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-heavy: 0 8px 25px rgba(0, 0, 0, 0.5);
    --shadow-colored: 0 8px 25px rgba(99, 102, 241, 0.3);
    
    /* ===== Status Colors ===== */
    --success-color: #10b981;
    --success-light: rgba(16, 185, 129, 0.2);
    --error-color: #ef4444;
    --error-light: rgba(239, 68, 68, 0.2);
    --warning-color: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.2);
    --info-color: #3b82f6;
    --info-light: rgba(59, 130, 246, 0.2);
    
    /* ===== Component Specific ===== */
    --header-bg: rgba(30, 41, 59, 0.95);
    --nav-link-color: var(--title-color);
    --nav-link-hover: var(--first-color);
    
    --button-primary-bg: var(--first-color);
    --button-primary-color: #ffffff;
    --button-primary-hover: var(--first-color-alt);
    
    --button-secondary-bg: transparent;
    --button-secondary-color: var(--first-color);
    --button-secondary-border: var(--first-color);
    --button-secondary-hover-bg: var(--first-color);
    --button-secondary-hover-color: #ffffff;
    
    --form-bg: var(--container-color);
    --form-border: var(--border-color);
    --form-focus: var(--first-color);
    
    --card-bg: var(--container-color);
    --card-border: var(--border-color);
    --card-hover-shadow: var(--shadow-medium);
    
    /* ===== Gradients ===== */
    --gradient-primary: linear-gradient(135deg, var(--first-color) 0%, var(--first-color-alt) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-color-alt) 100%);
    --gradient-background: linear-gradient(135deg, var(--body-color) 0%, hsl(230, 28%, 15%) 100%);
    --gradient-card: linear-gradient(135deg, var(--container-color) 0%, hsl(230, 29%, 20%) 100%);
    
    /* ===== Backdrop Filters ===== */
    --backdrop-blur: blur(10px);
    --backdrop-brightness: brightness(0.9);
    
    /* ===== Transitions ===== */
    --transition-theme: all 0.3s ease;
}

/* ===== Dark Theme Specific Styles ===== */
[data-theme="dark"] body {
    background: var(--gradient-background);
}

[data-theme="dark"] .header {
    background: var(--header-bg);
    backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .nav__link {
    color: var(--nav-link-color);
}

[data-theme="dark"] .nav__link:hover,
[data-theme="dark"] .nav__link.active-link {
    color: var(--nav-link-hover);
}

[data-theme="dark"] .button--primary {
    background: var(--button-primary-bg);
    color: var(--button-primary-color);
}

[data-theme="dark"] .button--primary:hover {
    background: var(--button-primary-hover);
}

[data-theme="dark"] .button--ghost {
    background: var(--button-secondary-bg);
    color: var(--button-secondary-color);
    border: 2px solid var(--button-secondary-border);
}

[data-theme="dark"] .button--ghost:hover {
    background: var(--button-secondary-hover-bg);
    color: var(--button-secondary-hover-color);
}

[data-theme="dark"] .contact__content {
    background: var(--form-bg);
    border: 2px solid var(--form-border);
}

[data-theme="dark"] .contact__content:focus-within {
    border-color: var(--form-focus);
}

[data-theme="dark"] .plans__content,
[data-theme="dark"] .portfolio__content,
[data-theme="dark"] .skills__header {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
}

[data-theme="dark"] .plans__content:hover,
[data-theme="dark"] .portfolio__content:hover,
[data-theme="dark"] .skills__header:hover {
    box-shadow: var(--card-hover-shadow);
}

/* ===== Dark Theme Glow Effects ===== */
[data-theme="dark"] .home__blob {
    filter: drop-shadow(0 10px 20px rgba(99, 102, 241, 0.4));
}

[data-theme="dark"] .plans__featured {
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
}

[data-theme="dark"] .button--primary:hover {
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

/* ===== Dark Theme Text Glow ===== */
[data-theme="dark"] .home__title {
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

[data-theme="dark"] .section__title {
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

/* ===== Dark Theme Animations ===== */
[data-theme="dark"] * {
    transition: var(--transition-theme);
}

/* ===== Dark Theme Scrollbar ===== */
[data-theme="dark"] ::-webkit-scrollbar {
    background-color: var(--scroll-bar-color);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background-color: var(--scroll-thumb-color);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-color-light);
}

/* ===== Dark Theme Selection ===== */
[data-theme="dark"] ::selection {
    background-color: var(--first-color);
    color: #ffffff;
}

/* ===== Dark Theme Focus ===== */
[data-theme="dark"] :focus-visible {
    outline: 2px solid var(--first-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.3);
}

/* ===== Dark Theme Backdrop Effects ===== */
[data-theme="dark"] .admin-panel {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(15px);
}

[data-theme="dark"] .contact__form,
[data-theme="dark"] .plans__content,
[data-theme="dark"] .portfolio__content {
    backdrop-filter: var(--backdrop-blur);
}

/* ===== Dark Theme Borders ===== */
[data-theme="dark"] .footer {
    border-top: 1px solid var(--border-color);
}

[data-theme="dark"] .admin-section {
    border-bottom: 1px solid var(--border-color);
}

/* ===== Dark Theme Preloader ===== */
[data-theme="dark"] #leotofalo-preloader {
    background: linear-gradient(135deg, #000000 0%, #1a1a2e 50%, #16213e 100%);
}

[data-theme="dark"] .logo-text {
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
}

/* ===== Dark Theme Print Styles ===== */
@media print {
    [data-theme="dark"] {
        --body-color: #ffffff;
        --container-color: #ffffff;
        --title-color: #000000;
        --text-color: #333333;
        --border-color: #cccccc;
        --shadow-light: none;
        --shadow-medium: none;
        --shadow-heavy: none;
    }
    
    [data-theme="dark"] * {
        background: transparent !important;
        color: #000000 !important;
        text-shadow: none !important;
        box-shadow: none !important;
    }
}

/* ===== Dark Theme High Contrast ===== */
@media (prefers-contrast: high) {
    [data-theme="dark"] {
        --title-color: #ffffff;
        --text-color: #e5e5e5;
        --border-color: #666666;
        --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.5);
        --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.6);
        --shadow-heavy: 0 8px 25px rgba(0, 0, 0, 0.7);
    }
}