/* Shipping Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    overflow-y: auto;
    padding: 20px 0;
}

.modal-content {
    position: relative;
    background: white;
    width: 92%;
    max-width: 560px;
    margin: 0 auto;
    padding: 0;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.12);
    animation: modalFadeIn 0.3s ease-out;
    max-height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #f8f9fa;
    position: sticky;
    top: 0;
    z-index: 1;
}

.close-button {
    background: none;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    transition: all 0.2s ease;
    margin-left: auto;
}

.close-button:hover {
    background-color: #f5f5f5;
    color: #333;
}

.modal-title {
    display: flex;
    align-items: center;
    margin: 0;
    color: #333;
    font-size: 1.3rem;
    font-weight: 600;
}

.modal-icon {
    font-size: 1.4rem;
    margin-right: 8px;
}

.shipping-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
    max-height: calc(100vh - 40px - 77px); /* Viewport height - modal padding - header height */
    padding: 24px;
}

.form-section {
    margin-bottom: 24px;
    padding-bottom: 16px;
}

.section-title {
    font-size: 1.1rem;
    color: #444;
    margin: 0 0 16px 0;
    font-weight: 500;
}

.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    position: relative;
    flex: 1;
}

.form-group.full-width {
    width: 100%;
}

/* Grid layout for specific sections */
.address-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 12px;
}

.address-grid .form-group:last-child {
    grid-column: 1 / -1;  /* Make postcode full width */
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 12px;
    font-size: 1rem;
    color: #666;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #444;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 12px 10px 36px;
    border: 1.5px solid #e0e0e0;
    border-radius: 8px;
    font-size: 0.95rem;
    background-color: #fff;
    transition: all 0.2s ease;
    color: #333;
}

/* Address autocomplete popup */
.address-popup {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    max-height: 200px;
    overflow-y: auto;
    z-index: 1002;
    margin-top: 4px;
}

.address-popup.show {
    display: block;
}

.address-option {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.9rem;
    border-bottom: 1px solid #f5f5f5;
}

.address-option:hover {
    background-color: #f8f9fa;
}

.address-option:last-child {
    border-bottom: none;
}

/* Input with popup indicator */
.has-popup {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 14px;
    padding-right: 36px !important;
    cursor: pointer;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #f2cc59;
    box-shadow: 0 0 0 3px rgba(242, 204, 89, 0.15);
    outline: none;
}

.form-group input:hover:not(:disabled):not([readonly]),
.form-group textarea:hover:not(:disabled),
.form-group select:hover:not(:disabled) {
    border-color: #ddd;
}

.form-group select:disabled {
    background-color: #f8f9fa;
    border-color: #e0e0e0;
    color: #999;
    cursor: not-allowed;
}

.form-group input[readonly] {
    background-color: #f8f9fa;
    border-color: #e0e0e0;
    color: #666;
    cursor: not-allowed;
}

.form-group textarea {
    height: 80px;
    resize: vertical;
    line-height: 1.5;
}

/* Required field indicator */
.form-group label.required::after {
    content: ' *';
    color: #e53935;
    font-weight: bold;
}

/* Select arrow styling */
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.submit-button {
    flex: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #f2cc59;
    color: #333;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
    width: 100%;
    text-align: center;
}

.button-icon {
    font-size: 1.2rem;
}

.submit-button:hover {
    background: #f5d574;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(242, 204, 89, 0.2);
}

.submit-button:active {
    transform: translateY(0);
    box-shadow: none;
}

/* Form validation states */
.form-group input:invalid,
.form-group select:invalid {
    border-color: #e53935;
}

.form-group input:invalid:focus,
.form-group select:invalid:focus {
    border-color: #e53935;
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1);
}

/* Helper text for validation */
.form-group .helper-text {
    display: block;
    font-size: 0.8rem;
    color: #666;
    margin-top: 4px;
}

.form-group input:invalid + .helper-text,
.form-group select:invalid + .helper-text {
    display: block;
    color: #e53935;
}

/* JQuery UI Autocomplete customization */
.ui-autocomplete {
    max-height: 200px;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 1001;
}

.ui-menu-item {
    padding: 8px 10px;
    font-size: 14px;
    border-bottom: 1px solid #f5f5f5;
}

.ui-menu-item:hover {
    background: #f8f9fa;
    cursor: pointer;
}

/* Loading state */
.submit-button.loading {
    background-color: #f2cc59;
    opacity: 0.8;
    cursor: wait;
    position: relative;
    color: transparent;
}

.submit-button.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 3px solid rgba(0,0,0,0.1);
    border-top-color: #333;
    border-radius: 50%;
    animation: buttonSpin 0.8s linear infinite;
}

@keyframes buttonSpin {
    to { transform: rotate(360deg); }
}

/* Success Popup Styles */
.success-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.popup-content {
    background: white;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    max-width: 400px;
    width: 90%;
}

.popup-content h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.popup-content p {
    font-size: 1rem;
    margin-bottom: 20px;
}

.close-popup-button {
    background: #248f24;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
}

.close-popup-button:hover {
    background: #1e7b1e;
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .modal-content {
        width: 100%;
        margin: 0;
        height: 100vh;
        border-radius: 0;
    }

    .shipping-form {
        padding: 16px;
    }

    .form-row {
        flex-direction: column;
        gap: 12px;
    }

    .address-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .form-actions {
        position: sticky;
        bottom: 0;
        background: white;
        margin: 0 -16px -16px;
        padding: 16px;
        box-shadow: 0 -4px 12px rgba(0,0,0,0.05);
    }
}

/* High contrast mode and reduced motion preferences */
@media (prefers-contrast: high) {
    .form-group input,
    .form-group textarea,
    .form-group select {
        border-width: 2px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .modal-content,
    .submit-button,
    .form-group input,
    .form-group textarea,
    .form-group select {
        transition: none;
    }
}