/* ==========================================================================
   RR STORE 316 - DEDICATED CHECKOUT PAGE STYLES
   Colors: Slate Navy (#090e17 / #0f172a) & Electric Sapphire Blue (#0066ff)
   ========================================================================== */

/* Page Header & Navigation Bar */
.checkout-nav-header {
    background: var(--color-dark-800);
    border-bottom: 1px solid var(--color-dark-600);
    padding: 1.1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

.checkout-nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.checkout-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #94a3b8;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.checkout-back-link:hover {
    color: var(--color-white);
}

.checkout-security-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.35);
    color: #34d399;
    padding: 0.4rem 0.9rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

/* Main Checkout Wrapper */
.checkout-main-section {
    background: #f8fafc;
    min-height: calc(100vh - 160px);
    padding: 2.5rem 0 4rem 0;
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 2.2rem;
    align-items: start;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Left Column: Form & Steps */
.checkout-steps-column {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.checkout-card {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 1.8rem;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-fast);
}

.checkout-card:hover {
    border-color: #cbd5e1;
}

.checkout-step-header {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    margin-bottom: 1.4rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f1f5f9;
}

.step-number-badge {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.95rem;
    flex-shrink: 0;
    box-shadow: 0 3px 10px rgba(0, 102, 255, 0.3);
}

.step-title-wrap h3 {
    font-size: 1.15rem;
    color: var(--color-text-dark);
    margin-bottom: 0.2rem;
}

.step-title-wrap p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* Form Fields Layout */
.form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.1rem;
    margin-bottom: 1.1rem;
}

.form-row-3col {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 1.1rem;
    margin-bottom: 1.1rem;
}

.form-group {
    margin-bottom: 1.1rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-md);
    color: #0f172a;
    font-size: 0.92rem;
    font-family: inherit;
    transition: all var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.15);
    background: #ffffff;
}

/* Payment Method Tabs */
.payment-tabs-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.payment-tab-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.95rem 0.6rem;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.84rem;
    font-weight: 700;
    color: #475569;
    transition: all var(--transition-fast);
}

.payment-tab-btn i {
    font-size: 1.4rem;
    color: #64748b;
    transition: transform var(--transition-fast);
}

.payment-tab-btn:hover {
    background: #eef2ff;
    border-color: #a5b4fc;
    color: #4f46e5;
}

.payment-tab-btn:hover i {
    transform: scale(1.08);
}

.payment-tab-btn.active {
    background: #f5f3ff;
    border-color: #635bff;
    color: #4338ca;
    box-shadow: 0 4px 14px rgba(99, 91, 255, 0.15);
}

.payment-tab-btn.active i {
    color: #635bff;
}

/* Stripe Specific Styling */
.stripe-pay-btn {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.stripe-pay-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(99, 91, 255, 0.45) !important;
}

.stripe-pay-btn:active {
    transform: translateY(0);
}

.stripe-badges-bar i {
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.stripe-badges-bar i:hover {
    transform: translateY(-2px);
    opacity: 0.85;
}

.payment-tab-content {
    display: none;
    padding-top: 0.5rem;
}

.payment-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Right Column: Order Summary Sticky Sidebar */
.checkout-summary-column {
    position: sticky;
    top: 5.5rem;
}

.checkout-summary-card {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 1.8rem;
    box-shadow: var(--shadow-md);
}

.summary-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    margin-bottom: 1.2rem;
    border-bottom: 1px solid #f1f5f9;
}

.summary-card-header h3 {
    font-size: 1.2rem;
    color: var(--color-text-dark);
    margin: 0;
}

.summary-items-list {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    max-height: 280px;
    overflow-y: auto;
    padding-right: 0.3rem;
    margin-bottom: 1.4rem;
}

.summary-item-row {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.65rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
}

.summary-item-img {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: #fff;
    border: 1px solid #e2e8f0;
    flex-shrink: 0;
}

.summary-item-details {
    flex: 1;
    min-width: 0;
}

.summary-item-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.2rem;
}

.summary-item-meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.summary-item-price {
    font-weight: 800;
    font-size: 0.95rem;
    color: var(--color-text-dark);
    text-align: right;
    white-space: nowrap;
}

/* Pricing Breakdown Table */
.summary-pricing-breakdown {
    border-top: 1px dashed #cbd5e1;
    padding-top: 1rem;
    margin-bottom: 1.2rem;
}

.summary-price-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: #475569;
    margin-bottom: 0.55rem;
}

.summary-price-row.savings-row {
    color: #16a34a;
    font-weight: 600;
}

.summary-price-row.total-row {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-text-dark);
    border-top: 1px solid #e2e8f0;
    padding-top: 0.9rem;
    margin-top: 0.8rem;
    margin-bottom: 0;
}

.summary-price-row.total-row .total-highlight {
    color: var(--color-primary);
}

/* Guarantees Box */
.checkout-guarantees-box {
    margin-top: 1.5rem;
    padding: 1.1rem;
    background: #eff6ff;
    border: 1px dashed #93c5fd;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: #1e40af;
}

/* Confirmation / Success Screen */
.checkout-success-view {
    max-width: 780px;
    margin: 0 auto;
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.success-icon-badge {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #dcfce7;
    color: #16a34a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.6rem;
    margin: 0 auto 1.5rem auto;
    box-shadow: 0 8px 25px rgba(22, 163, 74, 0.25);
    animation: bounceIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.printable-receipt-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 1.8rem;
    margin: 2rem 0;
    text-align: left;
}

.printable-receipt-card .receipt-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 1.2rem;
    border-bottom: 2px solid #e2e8f0;
    margin-bottom: 1.2rem;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .checkout-grid {
        grid-template-columns: 1fr;
    }
    .checkout-summary-column {
        position: static;
        order: -1; /* Show order summary at top on tablets/mobile */
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 640px) {
    .form-row-2col,
    .form-row-3col,
    .payment-tabs-nav {
        grid-template-columns: 1fr;
    }
    .checkout-nav-container {
        flex-direction: column;
        gap: 0.8rem;
    }
    .checkout-card {
        padding: 1.3rem;
    }
}