/* Custom properties for metal effects */
:root {
    /* Base Obsidian Palette */
    --metal-dark: #000000;
    --metal-base: #060606;
    --metal-light: #0d0d0d;
    --metal-shine: #151515;

    /* Base Gold Overlay Palette */
    --accent-1: #bf953f;
    --accent-2: #fcf6ba;
    --accent-3: #b38728;
    --accent-4: #fbf5b7;
    --accent-5: #aa771c;

    /* Base Accent Styles */
    --accent-shadow-rgb: 212, 175, 55;
    --accent-border: #d4af37;
    --chip-1: #e6c875;
    --chip-2: #b38728;
    --chip-3: #fcf6ba;
    --chip-stroke: #8a6519;
}

/* Material Switcher Themes */

/* 1. Obsidian (Pitch Black + Gold) */
.theme-obsidian {
    --metal-dark: #000000;
    --metal-base: #060606;
    --metal-light: #0d0d0d;
    --metal-shine: #151515;
    
    --bg-pattern: repeating-linear-gradient(45deg, transparent, transparent 1px, rgba(255, 255, 255, 0.02) 1px, rgba(255, 255, 255, 0.02) 2px);
    --pattern-blend: overlay;
    --frame-display: none;

    --font-title: 'Cinzel', serif;
    --font-body: 'JetBrains Mono', monospace;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-accent: rgba(212, 175, 55, 0.7);

    --accent-1: #bf953f; --accent-2: #fcf6ba; --accent-3: #b38728; --accent-4: #fbf5b7; --accent-5: #aa771c;
    --accent-shadow-rgb: 212, 175, 55;
    --text-shadow-alpha: 0.3;
    --accent-border: rgba(212, 175, 55, 0.5);
    
    --chip-1: #e6c875; --chip-2: #b38728; --chip-3: #fcf6ba;
    --chip-stroke: #8a6519;
}

/* 2. Platinum (Silver/White Metal) */
.theme-silver {
    --metal-dark: #a9acb2;
    --metal-base: #ccd0d6;
    --metal-light: #e8e9ec;
    --metal-shine: #ffffff;
    
    /* Intricate background pattern combining radial and brushed textures */
    --bg-pattern: 
        repeating-radial-gradient(circle at 40% 50%, transparent 0, transparent 20px, rgba(255,255,255,0.4) 20px, rgba(255,255,255,0.4) 21px),
        repeating-radial-gradient(circle at 60% 50%, transparent 0, transparent 20px, rgba(0,0,0,0.03) 20px, rgba(0,0,0,0.03) 21px),
        repeating-linear-gradient(90deg, transparent, transparent 1px, rgba(255,255,255,0.5) 1px, rgba(255,255,255,0.5) 2px);
    --pattern-blend: normal;

    --frame-display: block;
    --frame-color: rgba(30, 35, 40, 0.6);
    --frame-highlight: rgba(255, 255, 255, 0.5);

    --font-title: 'Montserrat', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    --text-primary: #1e293b; /* sharp dark charcoal */
    --text-secondary: #475569; /* medium charcoal */
    --text-accent: #0f172a;

    /* Dark Metallic Gunmetal Accents for shiny textured text on silver */
    --accent-1: #4a4f58; --accent-2: #9299a6; --accent-3: #1f2226; --accent-4: #6b7280; --accent-5: #111315;
    --accent-shadow-rgb: 20, 25, 30; 
    --text-shadow-alpha: 0.5;
    --accent-border: rgba(30, 35, 40, 0.4);
    
    --chip-1: #e2e8f0; --chip-2: #9ca3af; --chip-3: #f8fafc;
    --chip-stroke: #475569;
}

/* 3. Pure Gold (Amex Gold Style) */
.theme-gold {
    --metal-dark: #916e1e;
    --metal-base: #c49d2c;
    --metal-light: #e6bc3a;
    --metal-shine: #fcec95;
    
    --bg-pattern: 
        repeating-radial-gradient(circle at 50% 50%, transparent 0, transparent 20px, rgba(255,255,255,0.15) 20px, rgba(255,255,255,0.15) 21px),
        repeating-linear-gradient(45deg, transparent, transparent 1px, rgba(255,255,255,0.08) 1px, rgba(255,255,255,0.08) 2px);
    --pattern-blend: normal;

    --frame-display: block;
    --frame-color: rgba(60, 40, 0, 0.6);
    --frame-highlight: rgba(255, 255, 255, 0.2);

    --font-title: 'Cinzel', serif;
    --font-body: 'Montserrat', sans-serif;
    --text-primary: #1c1403;
    --text-secondary: #4a360a;
    --text-accent: #241a04;

    /* Deep Polished Bronze/Charcoal with textured metallic shine */
    --accent-1: #38290f; --accent-2: #8a6a24; --accent-3: #171105; --accent-4: #543f1b; --accent-5: #0a0702;
    --accent-shadow-rgb: 25, 20, 10;
    --text-shadow-alpha: 0.6;
    --accent-border: rgba(92, 68, 15, 0.5);
    
    --chip-1: #e6c875; --chip-2: #b38728; --chip-3: #fcf6ba;
    --chip-stroke: #5c440f;
}

/* Scrollbar styling for inputs */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0a0a0a; }
::-webkit-scrollbar-thumb { background: #333; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-3); }

/* The luxurious metallic black card base */
.metal-card {
    background: 
        /* Very soft, broad, natural reflection */
        linear-gradient(105deg, 
            rgba(255, 255, 255, 0.04) 0%, 
            transparent 35%, 
            transparent 65%, 
            rgba(255, 255, 255, 0.02) 100%
        ),
        /* Deeper, smoother metallic curve */
        linear-gradient(160deg, 
            var(--metal-dark) 0%, 
            var(--metal-base) 45%, 
            var(--metal-shine) 65%, 
            var(--metal-base) 80%, 
            var(--metal-dark) 100%
        );
    background-color: var(--metal-dark);
    box-shadow: 
        inset 1px 1px 1px rgba(255, 255, 255, 0.05), 
        inset -1px -1px 2px rgba(0, 0, 0, 0.9),
        inset 0 0 40px rgba(0, 0, 0, 0.9),
        0 25px 50px -15px rgba(0, 0, 0, 1);
    position: relative;
    overflow: hidden;
}

/* Subtle textured metal pattern overlay */
.metal-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: var(--bg-pattern, repeating-linear-gradient(45deg, transparent, transparent 1px, rgba(255, 255, 255, 0.02) 1px, rgba(255, 255, 255, 0.02) 2px));
    z-index: 1;
    pointer-events: none;
    mix-blend-mode: var(--pattern-blend, overlay);
}

/* Soft ambient glow from the top to mimic natural light scattering */
.metal-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(120% 120% at 50% -10%, rgba(255,255,255,0.06) 0%, transparent 80%);
    z-index: 2;
    pointer-events: none;
    /* Optional: Animate reflection on hover if desired, but kept static for clean export */
}

/* Amex Style Dotted Edge Frame */
.card-frame {
    display: var(--frame-display, none);
    position: absolute;
    inset: 12px;
    border-radius: 12px;
    border: 1px solid var(--frame-color);
    outline: 2px dotted var(--frame-color);
    outline-offset: -5px;
    box-shadow: inset 0 0 0 10px var(--frame-highlight, rgba(255,255,255,0.1));
    z-index: 5;
    pointer-events: none;
}

/* Premium Text Clipping */
.card-accent-text, .gold-text {
    background: linear-gradient(to right, var(--accent-2), var(--accent-1), var(--accent-4), var(--accent-3), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, var(--text-shadow-alpha, 0.3)), 0 0 15px rgba(var(--accent-shadow-rgb), 0.5);
    /* Ensure no wrapping artifacts in webkit */
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
}

/* Typography Helpers */
.card-font-title { font-family: var(--font-title); }
.card-font-body { font-family: var(--font-body); }
.card-text-primary { color: var(--text-primary); }
.card-text-secondary { color: var(--text-secondary); }
.card-text-accent { color: var(--text-accent); }

/* Material Selector Buttons */
.mat-btn, .tpl-btn {
    background: #141414;
    border: 1px solid #2d2d2d;
    color: #888;
    padding: 10px 0;
    text-align: center;
    border-radius: 6px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mat-btn:hover, .tpl-btn:hover {
    border-color: #555;
    color: #ccc;
}

.mat-btn.active, .tpl-btn.active {
    background: linear-gradient(135deg, #1b1b1e, #0d0d0f);
    border-color: var(--accent-3);
    color: var(--accent-2);
    box-shadow: inset 0 0 10px rgba(var(--accent-shadow-rgb),0.1);
}

/* Semantic Card Element Styles */
.card-avatar {
    border-color: var(--accent-2);
    box-shadow: 0 0 20px rgba(var(--accent-shadow-rgb), 0.2);
}

.card-avatar-small {
    border-color: var(--accent-border);
}

.card-avatar-large {
    border-color: var(--accent-2);
    box-shadow: 0 0 30px rgba(var(--accent-shadow-rgb), 0.15);
}

.card-date {
    color: rgba(var(--accent-shadow-rgb), 1);
}

.card-divider {
    border-color: var(--accent-border);
}

.card-line-left {
    background: linear-gradient(to right, transparent, var(--accent-1));
}

.card-line-right {
    background: linear-gradient(to left, transparent, var(--accent-1));
}

/* Assure inner content is above texture overlays */
.tpl-content {
    z-index: 10;
}

/* Premium Founder Border Detail */
.founder-border {
    position: relative;
}

.founder-border::before {
    content: '';
    position: absolute;
    inset: 12px;
    border-radius: 12px;
    padding: 1.5px; /* Border thickness */
    background: linear-gradient(135deg, 
        var(--accent-2) 0%, 
        var(--accent-3) 25%, 
        transparent 40%, 
        transparent 60%, 
        var(--accent-3) 75%, 
        var(--accent-2) 100%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    z-index: 1;
    filter: drop-shadow(0 0 4px rgba(var(--accent-shadow-rgb), 0.4));
}

.founder-border::after {
    content: '';
    position: absolute;
    inset: 18px;
    border-radius: 8px;
    padding: 1px;
    background: linear-gradient(315deg, 
        var(--accent-2) 0%, 
        var(--accent-3) 15%, 
        transparent 30%, 
        transparent 70%, 
        var(--accent-3) 85%, 
        var(--accent-2) 100%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    z-index: 1;
    opacity: 0.5;
}