/* Multiple visually distinct themes that map to the CSS variables in style.css */

/* 1. Theme: Notion (Minimalist, Monochromatic, Serif Header) */
.theme-notion {
    --bg-color: #F7F7F5;
    --card-bg: #FFFFFF;
    --text-primary: #37352F;
    --text-secondary: #787774;
    --accent: #0F0F0F;
    --border: #E9E9E7;
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif;
    --border-radius: 6px;
}

.theme-notion .card-title {
    font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
    border-bottom: 1px solid var(--border);
    padding-bottom: 15px;
    margin-bottom: 15px;
}

.theme-notion .card-inner {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

/* 2. Theme: Macintosh (Retro 80s, Pixelated vibes, Thick Borders) */
.theme-macintosh {
    --bg-color: #AAAAAA;
    --card-bg: #FFFFFF;
    --text-primary: #000000;
    --text-secondary: #333333;
    --accent: #000000;
    --border: #000000;
    --font-primary: 'Courier New', Courier, monospace;
    --border-radius: 0px;
}

.theme-macintosh .card-inner {
    border: 3px solid #000;
    box-shadow: 6px 6px 0px #000;
}

.theme-macintosh .card-concept {
    text-transform: uppercase;
    border-bottom: 3px dashed #000;
}

.theme-macintosh .keyword-badge {
    border: 2px solid #000;
    border-radius: 0;
    background: #E0E0E0;
    text-transform: lowercase;
}

/* 3. Theme: Google Material You (Pastel Colors, Large Border Radius, Floating) */
.theme-material {
    --bg-color: #FDF9F3;
    /* Warm off-white */
    --card-bg: #F4EBE1;
    /* Slightly darker pastel */
    --text-primary: #3A2F25;
    --text-secondary: #5C4D40;
    --accent: #B05D3D;
    /* Earthy orange */
    --border: transparent;
    --font-primary: 'Roboto', 'Segoe UI', sans-serif;
    --border-radius: 28px;
    /* Classic Material 3 pill shape */
}

.theme-material .card-inner {
    box-shadow: 0 8px 24px rgba(176, 93, 61, 0.15);
}

.theme-material .keyword-badge {
    background-color: #E6D5C3;
    color: #3A2F25;
    border: none;
    font-weight: 600;
}

/* 4. Theme: Windows 11 UI (Glassmorphism, Subtle Blues, Gradients) */
.theme-win11 {
    --bg-color: #E3E8EC;
    --card-bg: rgba(255, 255, 255, 0.65);
    --text-primary: #1F1F1F;
    --text-secondary: #5B5B5B;
    --accent: #0067C0;
    --border: rgba(255, 255, 255, 0.4);
    --font-primary: 'Segoe UI Variable', 'Segoe UI', sans-serif;
    --border-radius: 8px;
}

.theme-win11 .card-inner {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.theme-win11 .keyword-badge {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
}