.product-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-premium);
    flex: 0 0 calc(25% - 19px);
    min-width: 250px;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: rgba(37, 99, 235, 0.25);
    box-shadow: var(--shadow-hover);
}

.product-img-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%;
    overflow: hidden;
}

.product-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.product-discount-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: var(--text-white);
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 6px;
    box-shadow: 0 4px 10px rgba(239, 68, 68, 0.25);
    letter-spacing: 0.5px;
    z-index: 2;
}

.product-card:hover .product-img {
    transform: scale(1.08);
}

.product-info {
    padding: 20px;
}

.product-code {
    font-size: 12px;
    color: var(--accent-blue-dark);
    font-weight: 700;
    margin-bottom: 5px;
    text-transform: uppercase;
}

.product-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-divider {
    height: 1px;
    background: var(--border-color);
    margin-bottom: 15px;
}

.product-price-container {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
}

.product-price-row-original, .product-price-row-current {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.product-price-row-original .price-label {
    font-size: 12px;
    color: var(--text-muted);
}

.product-price-original {
    font-size: 13px;
    color: #94a3b8;
    text-decoration: line-through;
    font-weight: 400;
}

.product-price-original span {
    font-size: 11px;
    font-weight: 400;
    margin-left: 1px;
}

.product-price-row-current .price-label-current {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
}

.product-price-current {
    font-size: 20px;
    font-weight: 800;
    color: var(--accent-blue);
}

.product-price-current span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 2px;
}

.btn-buy-full {
    width: 100%;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    background: linear-gradient(135deg, #3b82f6, var(--accent-blue));
    color: var(--text-white);
    border: none;
    border-radius: 6px;
    transition: var(--transition-smooth);
    display: inline-block;
    cursor: pointer;
    box-sizing: border-box;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.1);
}

.btn-buy-full:hover {
    background: linear-gradient(135deg, #2563eb, var(--accent-blue-dark));
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2), var(--shadow-glow);
}

.form-section {
    padding: 40px 0 80px 0;
    min-height: 50vh;
}

.form-container {
    max-width: 650px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-premium);
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Kanit', sans-serif;
    font-size: 14px;
    color: var(--text-main);
    outline: none;
    transition: var(--transition-smooth);
}

.form-input:focus {
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-glow);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

@media (max-width: 576px) {
    .form-container {
        padding: 25px 20px;
    }
}

.shop-header, .sell-header {
    background-image: url('../images/bg/background.jpg');
}

.sell-section {
    padding: 50px 0 90px 0;
    background-color: var(--bg-primary);
}

.sell-channels-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 50px;
}

.sell-channel-card {
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: 20px;
    padding: 30px 24px;
    box-shadow: var(--shadow-premium);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.sell-channel-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-hover);
}

.channel-icon-box {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin-bottom: 4px;
    transition: all 0.3s ease;
}

.channel-facebook .channel-icon-box {
    background: rgba(24, 119, 242, 0.12);
    color: #1877f2;
    border: 1.5px solid rgba(24, 119, 242, 0.25);
}

.channel-line .channel-icon-box {
    background: rgba(0, 185, 0, 0.12);
    color: #00b900;
    border: 1.5px solid rgba(0, 185, 0, 0.25);
}

.channel-discord .channel-icon-box {
    background: rgba(88, 101, 242, 0.12);
    color: #5865f2;
    border: 1.5px solid rgba(88, 101, 242, 0.25);
}

.sell-channel-card:hover .channel-icon-box {
    transform: scale(1.1);
}

.channel-badge {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 20px;
}

.channel-facebook .channel-badge {
    background: rgba(24, 119, 242, 0.1);
    color: #1877f2;
    border: 1px solid rgba(24, 119, 242, 0.2);
}

.channel-line .channel-badge {
    background: rgba(0, 185, 0, 0.1);
    color: #00b900;
    border: 1px solid rgba(0, 185, 0, 0.2);
}

.channel-discord .channel-badge {
    background: rgba(88, 101, 242, 0.1);
    color: #5865f2;
    border: 1px solid rgba(88, 101, 242, 0.2);
}

.channel-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
}

.channel-desc {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
}

.btn-channel {
    width: 100%;
    height: 46px;
    border-radius: 12px;
    font-family: 'Kanit', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: #ffffff;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 8px;
}

.btn-facebook {
    background: linear-gradient(135deg, #1877f2, #0d5bb5);
    box-shadow: 0 4px 14px rgba(24, 119, 242, 0.3);
}

.btn-facebook:hover {
    background: linear-gradient(135deg, #0d5bb5, #0a468c);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(24, 119, 242, 0.45);
}

.btn-line {
    background: linear-gradient(135deg, #00b900, #008800);
    box-shadow: 0 4px 14px rgba(0, 185, 0, 0.3);
}

.btn-line:hover {
    background: linear-gradient(135deg, #008800, #006600);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 185, 0, 0.45);
}

.btn-discord {
    background: linear-gradient(135deg, #5865f2, #404eed);
    box-shadow: 0 4px 14px rgba(88, 101, 242, 0.3);
}

.btn-discord:hover {
    background: linear-gradient(135deg, #404eed, #2c38b8);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(88, 101, 242, 0.45);
}

.sell-section-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-main);
    text-align: center;
    margin-bottom: 8px;
}

.sell-section-subtitle {
    font-size: 14.5px;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 35px;
}

.sell-steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}

.sell-step-card {
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: 18px;
    padding: 24px 20px;
    box-shadow: var(--shadow-premium);
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    transition: all 0.25s ease;
}

.sell-step-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue);
}

.step-num-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 13px;
    font-weight: 800;
    color: var(--accent-blue);
    background: rgba(37, 99, 235, 0.1);
    padding: 4px 10px;
    border-radius: 10px;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.step-icon {
    font-size: 26px;
    color: var(--accent-blue);
    margin-bottom: 4px;
}

.step-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
}

.step-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

.sell-trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}

.sell-trust-card {
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: 18px;
    padding: 22px 18px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-premium);
    transition: all 0.25s ease;
}

.sell-trust-card:hover {
    transform: translateY(-3px);
    border-color: rgba(16, 185, 129, 0.4);
}

.trust-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.trust-text-box h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 4px 0;
}

.trust-text-box p {
    font-size: 12.5px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.4;
}

.sell-tips-card {
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: 20px;
    padding: 28px;
    box-shadow: var(--shadow-premium);
}

.tips-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.tips-header i {
    font-size: 24px;
    color: #f59e0b;
}

.tips-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
}

.tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tips-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: var(--text-main);
    line-height: 1.6;
}

.tips-list li i {
    color: #10b981;
    font-size: 15px;
    margin-top: 4px;
    flex-shrink: 0;
}

@media (max-width: 992px) {
    .sell-channels-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .sell-steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sell-trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .sell-steps-grid {
        grid-template-columns: 1fr;
    }

    .sell-trust-grid {
        grid-template-columns: 1fr;
    }

    .sell-channel-card {
        padding: 24px 18px;
    }

    .sell-tips-card {
        padding: 20px;
    }
}