/* --- Plan Cards --- */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.plan-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 24px;
    text-align: center;
    transition: box-shadow var(--transition);
    position: relative;
}
.plan-card.recommended {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary);
}
.plan-card.recommended::before {
    content: 'Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 12px;
    border-radius: var(--radius-full);
}
.plan-card.current {
    border-color: var(--primary);
    background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
    box-shadow: 0 0 0 1px var(--primary), 0 4px 12px rgba(79, 70, 229, 0.15);
}
.plan-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.plan-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}
.plan-price span {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-muted);
}
.plan-features {
    text-align: left;
    margin: 20px 0;
}
.plan-features li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.plan-features li::before {
    content: '\2713';
    color: var(--success);
    font-weight: 700;
}

/* Addons grid */
.addon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}
.addon-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px 20px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.addon-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(79,70,229,0.1);
}
.addon-card.active {
    border-color: var(--success);
    background: #F0FDF4;
}
.addon-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}
.addon-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}
.addon-price span {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-secondary);
}
.addon-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0 0 12px;
    min-height: 36px;
}
.addon-status {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--success);
    padding: 8px 0;
    text-align: center;
}
.addon-qty {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 8px 0;
    padding: 8px 12px;
    background: var(--bg-white);
    border-radius: 8px;
    border: 1px solid var(--border);
}
.addon-qty-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-white);
    color: var(--text);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}
.addon-qty-btn:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
}
.addon-qty-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.addon-qty-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    min-width: 30px;
    text-align: center;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .plan-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .plan-grid {
        grid-template-columns: 1fr;
    }
}