/* ============================================
   Tierra Checkout Page Styles
   ============================================ */

:root {
    --tierra-primary: #27ae60;
    --tierra-primary-dark: #229954;
    --tierra-secondary: #95a5a6;
    --tierra-danger: #e74c3c;
    --tierra-text: #2c3e50;
    --tierra-text-light: #7f8c8d;
    --tierra-border: #dfe6e9;
    --tierra-bg-light: #f8f9fa;
    --tierra-white: #ffffff;
    --tierra-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --tierra-shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* ============================================
   Container & Layout
   ============================================ */

.tierra-checkout-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.tierra-checkout-wrapper {
    background: var(--tierra-white);
    border-radius: 12px;
    box-shadow: var(--tierra-shadow);
    padding: 30px;
}

.checkout-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--tierra-text);
    margin: 0 0 30px 0;
    text-align: center;
}

/* ============================================
   Progress Steps
   ============================================ */

.checkout-progress {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
    padding: 0 20px;
}

.checkout-progress::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: var(--tierra-border);
    z-index: 1;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    flex: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--tierra-bg-light);
    border: 2px solid var(--tierra-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--tierra-secondary);
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.step-label {
    font-size: 14px;
    color: var(--tierra-text-light);
    text-align: center;
    transition: color 0.3s ease;
}

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

.progress-step.active .step-label {
    color: var(--tierra-primary);
    font-weight: 600;
}

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

/* ============================================
   Checkout Steps
   ============================================ */

.checkout-step {
    display: none;
}

.checkout-step.active {
    display: block;
}

.checkout-content {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 30px;
    margin-top: 30px;
}

/* ============================================
   Main Content Area
   ============================================ */

.checkout-main {
    background: var(--tierra-white);
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--tierra-text);
    margin: 0 0 24px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--tierra-primary);
}

.subsection-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--tierra-text);
    margin: 0 0 16px 0;
}

/* ============================================
   Forms
   ============================================ */

.customer-form {
    background: var(--tierra-white);
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--tierra-text);
    margin-bottom: 8px;
    font-size: 14px;
}

.required {
    color: var(--tierra-danger);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--tierra-border);
    border-radius: 8px;
    font-size: 15px;
    color: var(--tierra-text);
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--tierra-primary);
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--tierra-secondary);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-select:disabled {
    background: var(--tierra-bg-light);
    cursor: not-allowed;
    opacity: 0.6;
}

/* ============================================
   Checkbox & Toggle
   ============================================ */

.shipping-toggle {
    background: var(--tierra-bg-light);
    padding: 16px;
    border-radius: 8px;
    margin: 24px 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    cursor: pointer;
}

.checkbox-text {
    font-weight: 600;
    color: var(--tierra-text);
    font-size: 15px;
}

.help-text {
    margin: 8px 0 0 30px;
    font-size: 13px;
    color: var(--tierra-text-light);
}

/* ============================================
   Shipping Fields
   ============================================ */

.shipping-fields {
    background: var(--tierra-bg-light);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--tierra-primary);
}

/* ============================================
   Sidebar
   ============================================ */

.checkout-sidebar {
    position: sticky;
    top: 20px;
    height: fit-content;
}

.order-summary-card {
    background: var(--tierra-bg-light);
    border-radius: 12px;
    padding: 24px;
    border: 2px solid var(--tierra-border);
}

.summary-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--tierra-text);
    margin: 0 0 20px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--tierra-border);
}

.summary-content {
    margin-bottom: 20px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--tierra-border);
}

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

.item-info {
    flex: 1;
}

.item-name {
    font-weight: 600;
    color: var(--tierra-text);
    margin-bottom: 4px;
    font-size: 14px;
}

.item-details {
    font-size: 12px;
    color: var(--tierra-text-light);
}

.item-price {
    font-weight: 700;
    color: var(--tierra-primary);
    white-space: nowrap;
    margin-left: 12px;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    margin-top: 16px;
    border-top: 2px solid var(--tierra-border);
    font-size: 18px;
    font-weight: 700;
    color: var(--tierra-text);
}

.total-amount {
    color: var(--tierra-primary);
    font-size: 20px;
}

/* ============================================
   Payment Details
   ============================================ */

.payment-details {
    margin-bottom: 24px;
}

.payment-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    font-size: 15px;
}

.payment-row.total {
    border-top: 2px solid var(--tierra-border);
    margin-top: 12px;
    padding-top: 16px;
    font-size: 18px;
    font-weight: 700;
    color: var(--tierra-text);
}

.payment-row.total span:last-child {
    color: var(--tierra-primary);
    font-size: 20px;
}

/* ============================================
   Buttons
   ============================================ */

.form-actions {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    justify-content: center;
    font-family: inherit;
}

.btn svg {
    width: 16px;
    height: 16px;
}

.btn-primary {
    background: var(--tierra-primary);
    color: var(--tierra-white);
}

.btn-primary:hover {
    background: var(--tierra-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--tierra-shadow);
}

.btn-secondary {
    background: var(--tierra-white);
    color: var(--tierra-text);
    border: 2px solid var(--tierra-border);
}

.btn-secondary:hover {
    background: var(--tierra-bg-light);
    border-color: var(--tierra-text-light);
}

.btn-success {
    background: var(--tierra-primary);
    color: var(--tierra-white);
}

.btn-success:hover {
    background: var(--tierra-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--tierra-shadow-lg);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-link {
    background: none;
    border: none;
    color: var(--tierra-primary);
    text-decoration: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.btn-link:hover {
    background: rgba(39, 174, 96, 0.1);
}

.btn-link svg {
    width: 14px;
    height: 14px;
}

/* ============================================
   Review Content
   ============================================ */

.customer-info-review {
    background: var(--tierra-bg-light);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.review-content {
    margin-bottom: 12px;
}

.review-item {
    display: flex;
    padding: 8px 0;
    font-size: 15px;
}

.review-label {
    font-weight: 600;
    color: var(--tierra-text);
    min-width: 140px;
}

.review-value {
    color: var(--tierra-text-light);
}

.order-items-review {
    background: var(--tierra-white);
}

.items-review-content {
    border: 2px solid var(--tierra-border);
    border-radius: 8px;
    overflow: hidden;
}

.review-item-card {
    display: flex;
    gap: 16px;
    padding: 16px;
    border-bottom: 1px solid var(--tierra-border);
}

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

.item-image {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.item-details-full {
    flex: 1;
}

.item-name-full {
    font-weight: 600;
    color: var(--tierra-text);
    margin-bottom: 8px;
    font-size: 15px;
}

.item-attributes {
    font-size: 13px;
    color: var(--tierra-text-light);
    margin-bottom: 8px;
}

.item-quantity {
    font-size: 13px;
    color: var(--tierra-text-light);
}

.item-price-full {
    text-align: right;
    font-weight: 700;
    color: var(--tierra-primary);
    font-size: 16px;
}

/* ============================================
   Success Page
   ============================================ */

.success-container {
    text-align: center;
    padding: 60px 20px;
    max-width: 600px;
    margin: 0 auto;
}

.success-icon {
    margin-bottom: 24px;
}

.success-icon svg {
    width: 80px;
    height: 80px;
}

.success-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--tierra-primary);
    margin: 0 0 16px 0;
}

.success-message {
    font-size: 16px;
    color: var(--tierra-text-light);
    line-height: 1.6;
    margin-bottom: 32px;
}

.success-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* ============================================
   Loading & Empty States
   ============================================ */

.loading {
    text-align: center;
    color: var(--tierra-text-light);
    padding: 20px;
    font-style: italic;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 992px) {
    .checkout-content {
        grid-template-columns: 1fr;
    }

    .checkout-sidebar {
        position: static;
        order: -1;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .tierra-checkout-wrapper {
        padding: 20px;
    }

    .checkout-title {
        font-size: 24px;
    }

    .checkout-progress {
        padding: 0;
    }

    .checkout-progress::before {
        display: none;
    }

    .step-label {
        font-size: 12px;
    }

    .section-title {
        font-size: 20px;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .review-item {
        flex-direction: column;
        gap: 4px;
    }

    .review-label {
        min-width: auto;
    }

    .success-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .tierra-checkout-container {
        padding: 0 12px;
    }

    .tierra-checkout-wrapper {
        padding: 16px;
        border-radius: 8px;
    }

    .order-summary-card {
        padding: 16px;
    }

    .review-item-card {
        flex-direction: column;
    }

    .item-price-full {
        text-align: left;
    }
}

/* ============================================
   Animations
   ============================================ */

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

.checkout-step.active {
    animation: fadeIn 0.4s ease;
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .checkout-progress,
    .form-actions,
    .btn-link,
    .checkout-sidebar {
        display: none;
    }

    .checkout-content {
        grid-template-columns: 1fr;
    }
}