/* ============================================
   Product Detail Page Styles
   ============================================ */

/* Detail Layout */
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 3rem 0;
    align-items: start;
}

.detail-visual {
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--border-radius-lg);
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.detail-device-photo {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.95;
}

.detail-visual-icon {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    background: rgba(15, 76, 129, 0.85);
    backdrop-filter: blur(8px);
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius);
}

.detail-visual-icon i {
    font-size: 5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.detail-visual-icon p {
    font-size: 1.2rem;
    font-weight: 500;
    opacity: 0.8;
}

.detail-info h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.detail-model {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.detail-desc {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.detail-features {
    margin-bottom: 2rem;
}

.detail-features h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.feature-item i {
    color: var(--success);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.detail-cta {
    display: flex;
    gap: 1rem;
}

/* Spec Section */
.spec-section {
    padding: 3rem 0;
}

.spec-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-100);
}

.spec-table-wrap {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--gray-100);
    margin-bottom: 2rem;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table tr { transition: background var(--transition-fast); }
.spec-table tr:hover { background: var(--gray-50); }
.spec-table tr:nth-child(even) { background: var(--gray-50); }
.spec-table tr:nth-child(even):hover { background: var(--gray-100); }
.spec-table td { padding: 0.875rem 1.5rem; border-bottom: 1px solid var(--gray-100); font-size: 0.95rem; vertical-align: top; }
.spec-table td:first-child { font-weight: 600; color: var(--gray-700); width: 220px; white-space: nowrap; }
.spec-table td:last-child { color: var(--gray-600); }
.spec-table tr:last-child td { border-bottom: none; }

/* Naming Explain */
.naming-explain {
    background: var(--gray-50);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid var(--gray-100);
}

.naming-explain h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.naming-code {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--primary);
    font-weight: 700;
    padding: 1rem;
    background: var(--white);
    border-radius: var(--border-radius-sm);
    text-align: center;
    margin-bottom: 1rem;
    border: 1px solid var(--gray-200);
    letter-spacing: 0.05em;
}

.naming-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.naming-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.naming-item code {
    font-family: var(--font-display);
    background: var(--primary);
    color: var(--white);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
    min-width: 60px;
    text-align: center;
}

.naming-item span {
    color: var(--gray-600);
}

@media (max-width: 768px) {
    .detail-layout { grid-template-columns: 1fr; }
    .detail-visual { min-height: 300px; }
    .detail-cta { flex-direction: column; }
    .spec-table td { padding: 0.75rem 1rem; font-size: 0.85rem; }
    .spec-table td:first-child { width: 140px; }
}