/* ===================================
   CHECKOUT - Emma Colchoes
   Checkout-specific styles
   =================================== */

/* CRITICAL: Hide all steps by default */
.checkout-step {
    display: none !important;
}

/* Show only active step */
.checkout-step.active {
    display: block !important;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   PAGE LAYOUT
   =================================== */
.checkout-page-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--space-lg);
    text-align: center;
}

/* ===================================
   PROGRESS BAR
   =================================== */
.checkout-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2.5rem;
    padding: 0 1rem;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    cursor: pointer;
    opacity: 0.4;
    transition: opacity 0.3s ease;
}

.progress-step.active,
.progress-step.completed {
    opacity: 1;
}

.progress-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-gray-bg);
    border: 2px solid var(--color-gray-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-gray-medium);
    transition: all 0.3s ease;
}

.progress-step.active .progress-number {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.progress-step.completed .progress-number {
    background: var(--color-green);
    color: var(--color-white);
    border-color: var(--color-green);
    font-size: 0;
}

.progress-step.completed .progress-number::after {
    content: '\2713';
    position: absolute;
    font-size: 1.1rem;
}

.progress-label {
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
    text-align: center;
    color: var(--color-gray-medium);
    font-weight: 400;
}

.progress-step.active .progress-label,
.progress-step.completed .progress-label {
    color: var(--color-dark);
    font-weight: 500;
}

.progress-line {
    flex: 1;
    height: 2px;
    background: var(--color-gray-border);
    margin: 0 1rem;
    position: relative;
    top: -10px;
    transition: background 0.3s ease;
}

.progress-step.completed + .progress-line {
    background: var(--color-green);
}

/* ===================================
   CHECKOUT GRID
   =================================== */
.checkout-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--space-xl);
    align-items: flex-start;
}

/* ===================================
   CHECKOUT FORM & SECTIONS
   =================================== */
.checkout-form {
    width: 100%;
}

.checkout-section {
    margin-bottom: var(--space-xl);
}

.checkout-section h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-gray-border);
}

/* Form rows */
.form-row {
    margin-bottom: var(--space-md);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.form-group input,
.form-group select {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-size: var(--font-size-sm);
    font-family: var(--font-primary);
    color: var(--color-dark);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-border);
    border-radius: var(--radius-md);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
}

.form-group input::placeholder {
    color: var(--color-gray-light);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 162, 54, 0.15);
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2358524e'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    cursor: pointer;
}

/* Error messages */
.error-message {
    color: var(--color-red);
    font-size: var(--font-size-xs);
    margin-top: 4px;
    display: block;
    min-height: 1.1rem;
    font-weight: 500;
}

.form-group input.error,
.form-group select.error {
    border-color: var(--color-red);
}

/* Alert box */
.alert-error {
    background: var(--color-red-light);
    color: var(--color-red);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-sm);
}

.alert-error ul {
    margin: 0;
    padding-left: 1.2rem;
}

/* ===================================
   STEP NAVIGATION
   =================================== */
.step-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-gray-border);
}

.step-navigation .btn {
    min-width: 150px;
}

/* Button overrides for checkout */
.checkout-form .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    font-family: var(--font-primary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.checkout-form .btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.checkout-form .btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.checkout-form .btn-ghost {
    background: transparent;
    color: var(--color-dark);
    border: 2px solid var(--color-gray-border);
}

.checkout-form .btn-ghost:hover:not(:disabled) {
    background: var(--color-gray-bg);
}

.checkout-form .btn-ghost:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.checkout-form .btn-lg {
    padding: 16px 32px;
    font-size: var(--font-size-base);
    border-radius: var(--radius-lg);
}

.checkout-form .btn-sm {
    padding: 8px 16px;
    font-size: var(--font-size-sm);
}

/* ===================================
   SHIPPING OPTIONS
   =================================== */
.shipping-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.shipping-option {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border: 2px solid var(--color-gray-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.shipping-option:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 162, 54, 0.1);
}

.shipping-option input[type="radio"] {
    accent-color: var(--color-primary);
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.shipping-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.shipping-name {
    font-weight: 600;
    color: var(--color-dark);
    font-size: var(--font-size-sm);
}

.shipping-days {
    font-size: var(--font-size-xs);
    color: var(--color-gray-medium);
}

.shipping-price {
    font-weight: 700;
    color: var(--color-green);
    font-size: var(--font-size-sm);
}

/* ===================================
   REVIEW SECTION
   =================================== */
.review-section {
    background: var(--color-bg-light);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.review-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
}

.toggle-icon {
    transition: transform 0.3s ease;
    color: var(--color-gray-medium);
}

.review-content {
    margin-top: var(--space-lg);
}

.review-block {
    margin-bottom: var(--space-lg);
}

.review-block:last-child {
    margin-bottom: 0;
}

.review-block h3 {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-gray-medium);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.review-data {
    line-height: 1.7;
    color: var(--color-dark);
    font-size: var(--font-size-sm);
}

/* ===================================
   ORDER SUMMARY (Sidebar)
   =================================== */
.checkout-summary {
    background: var(--color-white);
    border: 2px solid var(--color-gray-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.summary-header {
    cursor: default;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-gray-border);
}

.summary-header h2 {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-dark);
    margin: 0;
    border: none;
    padding: 0;
}

.summary-toggle-icon {
    display: none;
    transition: transform 0.3s ease;
}

.summary-content {
    margin-top: var(--space-md);
}

.summary-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-gray-border);
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-item img {
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-gray-border);
}

.summary-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.summary-item-info .name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-dark);
    line-height: 1.3;
}

.summary-item-info .variant {
    font-size: var(--font-size-xs);
    color: var(--color-gray-medium);
}

.summary-item-info .qty {
    font-size: var(--font-size-xs);
    color: var(--color-gray-medium);
}

.summary-item .price {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-dark);
    white-space: nowrap;
}

.summary-totals {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 2px solid var(--color-gray-border);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-text);
}

.summary-row.total {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--color-dark);
    padding-top: var(--space-md);
    margin-top: var(--space-sm);
    border-top: 2px solid var(--color-gray-border);
}

.summary-security {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-gray-border);
    color: var(--color-gray-medium);
    font-size: var(--font-size-xs);
}

/* ===================================
   LOADING ANIMATION
   =================================== */
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===================================
   MOBILE RESPONSIVE
   =================================== */
@media (max-width: 767px) {
    /* Progress Bar Mobile */
    .checkout-progress {
        margin-bottom: 1.5rem;
    }

    .progress-number {
        width: 32px;
        height: 32px;
        font-size: var(--font-size-xs);
    }

    .progress-label {
        font-size: 0.7rem;
        max-width: 75px;
    }

    .progress-line {
        margin: 0 0.5rem;
    }

    /* Grid -> stacked */
    .checkout-grid {
        grid-template-columns: 1fr;
    }

    /* Summary on top for mobile */
    .checkout-summary {
        order: -1;
        margin-bottom: var(--space-lg);
    }

    .summary-toggle-icon {
        display: block;
    }

    .summary-header {
        cursor: pointer;
        padding: var(--space-md);
        margin: calc(var(--space-lg) * -1) calc(var(--space-lg) * -1) 0;
        background: var(--color-white);
        position: sticky;
        top: 60px;
        z-index: 10;
        border-bottom: 2px solid var(--color-gray-border);
        -webkit-tap-highlight-color: rgba(0,0,0,0.1);
    }

    .summary-header:hover {
        background: var(--color-bg-light);
    }

    .summary-toggle-icon.mobile-only {
        background: var(--color-primary);
        color: var(--color-white);
        width: 24px;
        height: 24px;
        border-radius: 50%;
        display: flex !important;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        line-height: 1;
    }

    /* Summary initially collapsed on mobile */
    #summaryContent {
        display: none;
        animation: slideDown 0.3s ease;
    }

    #summaryContent.expanded {
        display: block !important;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .summary-header h2 {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
    }

    /* Review collapsed on mobile */
    .review-content {
        display: none;
    }

    .review-content.expanded {
        display: block !important;
    }

    /* Navigation stacked */
    .step-navigation {
        flex-direction: column;
    }

    .step-navigation .btn {
        width: 100%;
    }

    /* Form rows single column */
    .form-row-2 {
        grid-template-columns: 1fr;
    }

    .mobile-only {
        display: inline-block !important;
    }
}

/* Desktop */
@media (min-width: 768px) {
    .checkout-step {
        min-height: 400px;
    }

    .checkout-summary {
        position: sticky;
        top: 80px;
        max-height: calc(100vh - 100px);
        overflow-y: auto;
    }

    .mobile-only {
        display: none !important;
    }

    .summary-header {
        cursor: default;
    }

    .review-toggle {
        cursor: default;
    }

    .toggle-icon {
        display: none;
    }

    .review-content {
        display: block !important;
    }
}