:root {
    --pvc-primary: #6366f1;
    --pvc-accent: #f59e0b;
    --pvc-bg: #0f172a;
    --pvc-card-bg: rgba(30, 41, 59, 0.7);
    --pvc-text: #f8fafc;
    --pvc-text-dim: #94a3b8;
    --pvc-border: rgba(255, 255, 255, 0.1);
    --pvc-success: #22c55e;
    --pvc-danger: #ef4444;
}

.pvc-app {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--pvc-bg);
    color: var(--pvc-text);
    max-width: 1000px;
    margin: 40px auto;
    padding: 20px;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

/* Glassmorphism Background */
.pvc-app::before {
    content: '';
    position: absolute;
    top: -100px; right: -100px;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    z-index: 0;
}

.pvc-header { position: relative; z-index: 1; text-align: center; margin-bottom: 40px; }
.pvc-header h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 10px; background: linear-gradient(to right, #fff, #94a3b8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* Search Bar */
.pvc-search-container { position: relative; z-index: 10; max-width: 600px; margin: 0 auto 40px; }
.pvc-search-input-wrap { position: relative; }
.pvc-main-input {
    width: 100%;
    background: var(--pvc-card-bg);
    border: 2px solid var(--pvc-border);
    backdrop-filter: blur(10px);
    padding: 18px 25px;
    border-radius: 18px;
    color: #fff;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.pvc-main-input:focus { outline: none; border-color: var(--pvc-primary); box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2); }

.pvc-dropdown {
    position: absolute; top: calc(100% + 10px); left: 0; right: 0;
    background: #1e293b; border: 1px solid var(--pvc-border);
    border-radius: 18px; overflow: hidden; display: none;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5); z-index: 100;
}
.pvc-card-item {
    display: flex; align-items: center; padding: 15px 20px;
    cursor: pointer; transition: background 0.2s;
    border-bottom: 1px solid var(--pvc-border);
}
.pvc-card-item:hover { background: rgba(99, 102, 241, 0.1); }
.pvc-card-item img { width: 45px; height: 63px; object-fit: contain; margin-right: 15px; border-radius: 4px; }
.pvc-card-item-info { flex: 1; }
.pvc-card-item-info strong { display: block; font-size: 1rem; }
.pvc-card-item-info span { font-size: 0.8rem; color: var(--pvc-text-dim); }
.pvc-card-item-price { font-weight: 700; color: var(--pvc-accent); }

/* Details Section */
.pvc-content-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 40px; opacity: 0; transform: translateY(20px); transition: all 0.5s ease; }
.pvc-content-grid.active { opacity: 1; transform: translateY(0); }

@media (max-width: 768px) {
    .pvc-content-grid { grid-template-columns: 1fr; }
    .pvc-header h1 { font-size: 1.8rem; }
}

.pvc-visual-panel { text-align: center; }
.pvc-main-image { width: 100%; max-width: 320px; border-radius: 20px; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5); border: 1px solid var(--pvc-border); }

.pvc-data-panel { background: var(--pvc-card-bg); backdrop-filter: blur(10px); padding: 30px; border-radius: 24px; border: 1px solid var(--pvc-border); }
.pvc-price-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 25px 0; }
.pvc-stat-card { background: rgba(15, 23, 42, 0.5); padding: 20px; border-radius: 16px; text-align: center; border: 1px solid var(--pvc-border); }
.pvc-stat-card label { display: block; font-size: 0.8rem; color: var(--pvc-text-dim); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 1px; }
.pvc-stat-card span { font-size: 1.8rem; font-weight: 800; color: var(--pvc-accent); }

.pvc-chart-wrap { height: 250px; margin: 30px 0; }

.pvc-roi-calculator { background: rgba(15, 23, 42, 0.3); padding: 20px; border-radius: 18px; border: 1px solid var(--pvc-border); margin-bottom: 30px; }
.pvc-roi-calculator h4 { margin-top: 0; font-weight: 700; }
.pvc-roi-result { margin-top: 15px; padding: 12px; border-radius: 10px; text-align: center; font-weight: 600; }

.pvc-cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.pvc-btn { display: flex; align-items: center; justify-content: center; padding: 14px; border-radius: 12px; text-decoration: none; font-weight: 700; color: #fff; transition: transform 0.2s; }
.pvc-btn:hover { transform: translateY(-3px); }
.pvc-btn-ebay { background: #0064d2; }
.pvc-btn-tcg { background: #e31e24; }

.pvc-loading-spinner { display: none; text-align: center; padding: 40px; color: var(--pvc-text-dim); }
.pvc-welcome-state { text-align: center; padding: 60px 20px; color: var(--pvc-text-dim); }