/* Payment Page Sidebar Summary */
.payment-sidebar {
    position: fixed;
    right: 20px;
    top: 120px;
    width: 280px;
    background: var(--card-background);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    border: 2px solid var(--border-color);
    z-index: 900;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.sidebar-header i {
    font-size: 1.3rem;
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.sidebar-nav-link:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(240, 147, 251, 0.1));
    color: var(--primary-color);
    transform: translateX(-5px);
}

.sidebar-nav-link.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.sidebar-nav-link i {
    font-size: 1.1rem;
    min-width: 20px;
}

.sidebar-quick-actions {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-color);
}

.sidebar-quick-actions h4 {
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.quick-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    margin-bottom: 0.5rem;
}

.quick-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.quick-action-btn.discord {
    background: #5865F2;
}

.quick-action-btn.discord:hover {
    box-shadow: 0 5px 15px rgba(88, 101, 242, 0.4);
}

@media (max-width: 1400px) {
    .payment-sidebar {
        right: 10px;
        width: 250px;
    }
}

@media (max-width: 1200px) {
    .payment-sidebar {
        display: none;
    }
}

/* Mobile Navigation Buttons */
.payment-mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--card-background);
    border-top: 2px solid var(--border-color);
    padding: 1rem;
    z-index: 999;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.1);
}

.mobile-nav-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    max-width: 600px;
    margin: 0 auto;
}

.mobile-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem 0.5rem;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.3s;
}

.mobile-nav-btn:hover, .mobile-nav-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-color: var(--primary-color);
}

.mobile-nav-btn i {
    font-size: 1.2rem;
}

@media (max-width: 1200px) {
    .payment-mobile-nav {
        display: block;
    }
    
    main {
        padding-bottom: 100px;
    }
}

@media (max-width: 768px) {
    .mobile-nav-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}