/* Gremgoyles Card Component Styles */

/* ── Card Container ────────────────────────────────────────────────────── */

.grem-card {
    width: 240px;
    height: 336px;
    perspective: 1000px;
    cursor: pointer;
    position: relative;
}

@media (max-width: 768px) {
    .grem-card {
        width: 180px;
        height: 252px;
    }
}

@media (max-width: 480px) {
    .grem-card {
        width: 160px;
        height: 224px;
    }
}

/* ── Card Inner (Flip Container) ────────────────────────────────────────── */

.grem-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transform-style: preserve-3d;
}

.grem-card.flipped .grem-card-inner {
    transform: rotateY(180deg);
}

/* ── Card Face (Front & Back) ──────────────────────────────────────────── */

.grem-card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.grem-card-face.front {
    background: linear-gradient(135deg, var(--surface-card), var(--surface-elevated));
    border: 2px solid;
    z-index: 2;
}

.grem-card-face.back {
    background: linear-gradient(135deg, var(--surface-elevated), var(--surface-card));
    border: 2px solid;
    transform: rotateY(180deg);
    z-index: 1;
}

/* ── Trait-Specific Borders & Glows ────────────────────────────────────── */

.grem-card.trait-blue .grem-card-face { border-color: var(--trait-blue); }
.grem-card.trait-red .grem-card-face { border-color: var(--trait-red); }
.grem-card.trait-yellow .grem-card-face { border-color: var(--trait-yellow); }
.grem-card.trait-purple .grem-card-face { border-color: var(--trait-purple); }
.grem-card.trait-orange .grem-card-face { border-color: var(--trait-orange); }
.grem-card.trait-green .grem-card-face { border-color: var(--trait-green); }

/* Hover glow */
.grem-card:hover .grem-card-face.front {
    box-shadow: 0 0 30px var(--trait-blue), var(--shadow-lg);
}

.grem-card.trait-blue:hover .grem-card-face { box-shadow: 0 0 30px var(--trait-blue), var(--shadow-lg); }
.grem-card.trait-red:hover .grem-card-face { box-shadow: 0 0 30px var(--trait-red), var(--shadow-lg); }
.grem-card.trait-yellow:hover .grem-card-face { box-shadow: 0 0 30px var(--trait-yellow), var(--shadow-lg); }
.grem-card.trait-purple:hover .grem-card-face { box-shadow: 0 0 30px var(--trait-purple), var(--shadow-lg); }
.grem-card.trait-orange:hover .grem-card-face { box-shadow: 0 0 30px var(--trait-orange), var(--shadow-lg); }
.grem-card.trait-green:hover .grem-card-face { box-shadow: 0 0 30px var(--trait-green), var(--shadow-lg); }

/* ── Front Face (NFT Display) ──────────────────────────────────────────── */

.grem-card-front-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 12px;
}

.grem-card-artwork {
    flex: 1;
    background: linear-gradient(45deg, rgba(135, 75, 192, 0.1), rgba(255, 215, 0, 0.05));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    position: relative;
    overflow: hidden;
}

.grem-card-artwork::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 70%
    );
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.grem-card-artwork-placeholder {
    position: relative;
    z-index: 1;
    text-align: center;
    font-size: 3rem;
}

.grem-card-trait-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--surface-page);
    border: 1px solid;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    z-index: 2;
}

.grem-card.trait-blue .grem-card-trait-badge { border-color: var(--trait-blue); }
.grem-card.trait-red .grem-card-trait-badge { border-color: var(--trait-red); }
.grem-card.trait-yellow .grem-card-trait-badge { border-color: var(--trait-yellow); }
.grem-card.trait-purple .grem-card-trait-badge { border-color: var(--trait-purple); }
.grem-card.trait-orange .grem-card-trait-badge { border-color: var(--trait-orange); }
.grem-card.trait-green .grem-card-trait-badge { border-color: var(--trait-green); }

.grem-card-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: var(--surface-page);
    padding: 8px;
    border-radius: 6px;
}

.grem-card-token-id {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.grem-card-type {
    font-weight: var(--weight-bold);
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-primary);
}

/* ── Back Face ($GGGOLD Display) ────────────────────────────────────────– */

.grem-card-back-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 16px;
    justify-content: space-between;
    align-items: center;
    text-align: center;
}

.grem-card-gold {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.grem-card-gold-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.grem-card-gold-value {
    font-size: 2rem;
    font-weight: var(--weight-bold);
    color: var(--accent-gold);
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

.grem-card-back-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
    font-size: 0.7rem;
}

.grem-card-back-stat {
    background: var(--surface-elevated);
    padding: 6px;
    border-radius: 4px;
    border: 1px solid var(--border-light);
}

.grem-card-back-stat-label {
    display: block;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.grem-card-back-stat-value {
    display: block;
    color: var(--text-primary);
    font-weight: var(--weight-semibold);
}

/* ── Card Grid ──────────────────────────────────────────────────────────── */

.grem-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
    padding: 24px 0;
}

@media (max-width: 768px) {
    .grem-cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .grem-cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 12px;
    }
}

/* ── Tilt Effect (Hover) ────────────────────────────────────────────────– */

.grem-card:hover {
    transform: translateY(-4px);
    transition: transform 0.3s ease;
}

@media (prefers-reduced-motion: reduce) {
    .grem-card:hover {
        transform: none;
    }

    .grem-card-inner {
        transition: none;
    }

    .grem-card-artwork::before {
        animation: none;
    }
}

/* ── Loading State ──────────────────────────────────────────────────────– */

.grem-card.loading .grem-card-inner {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ── Accessibility ──────────────────────────────────────────────────────– */

.grem-card:focus-visible {
    outline: 2px solid var(--brand-500);
    outline-offset: 4px;
}

/* ── Responsive Adjustments ────────────────────────────────────────────– */

@media (max-width: 640px) {
    .grem-card-front-content,
    .grem-card-back-content {
        padding: 10px;
    }

    .grem-card-gold-value {
        font-size: 1.5rem;
    }

    .grem-card-back-stats {
        font-size: 0.65rem;
    }
}