/**
 * COD Express Checkout - Frontend Styles
 *
 * Styles for the express checkout form on product pages.
 *
 * @package COD_Express_Checkout
 */

/* ==========================================================================
   Form Container - Base styles (Auto/Inherit from Theme)
   ========================================================================== */

.cod-express-checkout-form {
    margin: 20px 0;
    padding: 20px;
    /* Auto mode: transparent/inherit from theme */
    background: transparent;
    border: 1px solid currentColor;
    border-radius: 8px;
    box-sizing: border-box;
    /* Inherit text color from theme */
    color: inherit;
}

.cod-express-checkout-form * {
    box-sizing: border-box;
}

/* Header */
.cod-express-header {
    margin-bottom: 20px;
    padding-left: 15px;
    border-left: 4px solid currentColor;
}

.cod-express-header h3 {
    margin: 0 0 5px 0;
    padding: 0;
    font-size: 18px;
    font-weight: 600;
    color: inherit;
    line-height: 1.3;
}

.cod-express-header .cod-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: #4caf50;
    color: #fff;
    border-radius: 3px;
}

/* ==========================================================================
   Form Fields
   ========================================================================== */

.cod-express-fields {
    margin-bottom: 15px;
}

.cod-express-field {
    margin-bottom: 15px;
}

.cod-express-field:last-child {
    margin-bottom: 0;
}

/* Labels - inherit from theme */
.cod-express-field label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    font-weight: 500;
    color: inherit;
}

.cod-express-field label .required {
    color: #e74c3c;
    margin-left: 3px;
}

/* Input Fields - inherit from theme */
.cod-express-field input[type="text"],
.cod-express-field input[type="email"],
.cod-express-field input[type="tel"],
.cod-express-field textarea,
.cod-express-field select {
    width: 100%;
    padding: 12px 15px;
    font-size: 15px;
    line-height: 1.4;
    color: inherit;
    background: inherit;
    border: 1px solid currentColor;
    border-radius: 5px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
}

.cod-express-field input[type="text"]:focus,
.cod-express-field input[type="email"]:focus,
.cod-express-field input[type="tel"]:focus,
.cod-express-field textarea:focus,
.cod-express-field select:focus {
    outline: none;
    border-color: #0073aa;
    box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.1);
}

.cod-express-field textarea {
    min-height: 80px;
    resize: vertical;
}

/* Placeholder styles */
.cod-express-field input::placeholder,
.cod-express-field textarea::placeholder {
    color: inherit;
    opacity: 0.6;
}

/* Security notice */
.cod-express-security-notice {
    color: inherit;
    opacity: 0.8;
}

/* ==========================================================================
   Field Validation States
   ========================================================================== */

/* Error State */
.cod-express-field.has-error input,
.cod-express-field.has-error textarea,
.cod-express-field.has-error select {
    border-color: #e74c3c;
    background-color: rgba(231, 76, 60, 0.05);
}

.cod-express-field.has-error input:focus,
.cod-express-field.has-error textarea:focus,
.cod-express-field.has-error select:focus {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.cod-express-field-error {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    color: #e74c3c;
    line-height: 1.4;
}

.cod-express-field-error:empty {
    display: none;
}

/* Success State */
.cod-express-field.has-success input,
.cod-express-field.has-success textarea,
.cod-express-field.has-success select {
    border-color: #28a745;
}

.cod-express-field.has-success input:focus,
.cod-express-field.has-success textarea:focus,
.cod-express-field.has-success select:focus {
    border-color: #28a745;
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

/* ==========================================================================
   Honeypot Field (Spam Protection)
   ========================================================================== */

.cod-express-hp-wrapper,
.cod-express-hp-field {
    display: none !important;
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* ==========================================================================
   Screen Reader Text (Accessibility)
   ========================================================================== */

.screen-reader-text {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* ==========================================================================
   Submit Button
   ========================================================================== */

.cod-express-submit-btn {
    display: block;
    width: 100%;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    text-transform: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1.4;
    /* Theme-inherit defaults */
    color: inherit;
    background-color: transparent;
    border: 2px solid currentColor;
}

/* Default fallback styling when no custom color is set */
.cod-express-submit-btn:not([style*="background"]) {
    /* Let the button inherit from WooCommerce/theme button styles */
    background-color: var(--wc-primary, var(--primary-color, #0073aa));
    border-color: var(--wc-primary, var(--primary-color, #0073aa));
    color: #fff;
}

.cod-express-submit-btn:hover {
    transform: translateY(-1px);
    filter: brightness(90%);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

.cod-express-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Loading State */
.cod-express-submit-btn.loading {
    position: relative;
    color: #fff;
}

.cod-express-submit-btn .spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: cod-express-spin 0.8s linear infinite;
    vertical-align: middle;
}

@keyframes cod-express-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   Messages
   ========================================================================== */

.cod-express-message {
    margin-bottom: 15px;
    padding: 15px;
    border-radius: 5px;
    font-size: 14px;
    line-height: 1.5;
}

.cod-express-message.hidden {
    display: none;
}

.cod-express-message.success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.cod-express-message.error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.cod-express-message p {
    margin: 0;
}

/* ==========================================================================
   Order Success State
   ========================================================================== */

.cod-express-order-success {
    text-align: center;
    padding: 20px;
}

.cod-express-order-success .order-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
    font-size: 30px;
    color: #fff;
    background: #4caf50;
    border-radius: 50%;
}

.cod-express-order-success h3 {
    margin: 0 0 10px 0;
    font-size: 18px;
    color: inherit;
}

.cod-express-order-success .order-number {
    margin: 0 0 20px 0;
    font-size: 14px;
    color: inherit;
    opacity: 0.8;
}

.cod-express-order-success .view-order-btn {
    display: inline-block;
    padding: 10px 25px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    color: #0073aa;
    background: #fff;
    border: 2px solid #0073aa;
    border-radius: 5px;
    transition: all 0.2s ease;
}

.cod-express-order-success .view-order-btn:hover {
    color: #fff;
    background: #0073aa;
}

/* ==========================================================================
   Form Submitting State
   ========================================================================== */

.cod-express-checkout-form.submitting .cod-express-fields {
    opacity: 0.6;
    pointer-events: none;
}

/* ==========================================================================
   Large Screen Optimization
   ========================================================================== */

/* Limit form width on larger screens for better readability */
@media (min-width: 768px) {
    .cod-express-checkout-form {
        max-width: 450px;
    }
}

/* ==========================================================================
   Two-Column Layout (for larger screens)
   ========================================================================== */

@media (min-width: 600px) {
    .cod-express-fields-row {
        display: flex;
        gap: 15px;
    }

    .cod-express-fields-row .cod-express-field {
        flex: 1;
    }
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */

@media (max-width: 480px) {
    .cod-express-checkout-form {
        padding: 15px;
        margin: 15px 0;
    }

    .cod-express-header h3 {
        font-size: 16px;
    }

    .cod-express-field input[type="text"],
    .cod-express-field input[type="email"],
    .cod-express-field input[type="tel"],
    .cod-express-field textarea,
    .cod-express-field select {
        padding: 10px 12px;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .cod-express-submit-btn {
        padding: 14px 18px;
        font-size: 15px;
    }
}

/* ==========================================================================
   Theme Compatibility
   ========================================================================== */

/* Reset common theme overrides */
.cod-express-checkout-form input,
.cod-express-checkout-form textarea,
.cod-express-checkout-form select,
.cod-express-checkout-form button {
    font-family: inherit;
    margin: 0;
}

/* Ensure form displays properly in flex containers */
.cod-express-checkout-form {
    flex-shrink: 0;
}

/* Fix for themes that style all buttons */
.cod-express-checkout-form .cod-express-submit-btn {
    background-image: none;
    text-shadow: none;
    box-sizing: border-box;
}

/* ==========================================================================
   Color Scheme: Force Light Mode
   ========================================================================== */

.cod-express-checkout-form.cod-express-scheme-light {
    background: #f9f9f9;
    border-color: #e0e0e0;
    color: #333;
}

.cod-express-scheme-light .cod-express-header {
    border-left-color: #0073aa;
}

.cod-express-scheme-light .cod-express-header h3,
.cod-express-scheme-light .cod-express-field label {
    color: #333;
}

.cod-express-scheme-light .cod-express-field input[type="text"],
.cod-express-scheme-light .cod-express-field input[type="email"],
.cod-express-scheme-light .cod-express-field input[type="tel"],
.cod-express-scheme-light .cod-express-field textarea,
.cod-express-scheme-light .cod-express-field select {
    background: #fff;
    border-color: #ddd;
    color: #333;
}

.cod-express-scheme-light .cod-express-field input::placeholder,
.cod-express-scheme-light .cod-express-field textarea::placeholder {
    color: #999;
}

.cod-express-scheme-light .cod-express-security-notice {
    color: #666;
}

/* ==========================================================================
   Color Scheme: Force Dark Mode
   ========================================================================== */

.cod-express-checkout-form.cod-express-scheme-dark {
    background: #2d2d2d;
    border-color: #444;
    color: #eee;
}

.cod-express-scheme-dark .cod-express-header {
    border-left-color: #4fc3f7;
}

.cod-express-scheme-dark .cod-express-header h3,
.cod-express-scheme-dark .cod-express-field label {
    color: #eee;
}

.cod-express-scheme-dark .cod-express-field input[type="text"],
.cod-express-scheme-dark .cod-express-field input[type="email"],
.cod-express-scheme-dark .cod-express-field input[type="tel"],
.cod-express-scheme-dark .cod-express-field textarea,
.cod-express-scheme-dark .cod-express-field select {
    background: #3d3d3d;
    border-color: #555;
    color: #eee;
}

.cod-express-scheme-dark .cod-express-field input::placeholder,
.cod-express-scheme-dark .cod-express-field textarea::placeholder {
    color: #888;
}

.cod-express-scheme-dark .cod-express-security-notice {
    color: #aaa;
}

.cod-express-scheme-dark .cod-express-order-success h3 {
    color: #eee;
}

.cod-express-scheme-dark .cod-express-order-success .order-number {
    color: #bbb;
}

/* ==========================================================================
   RTL Support
   ========================================================================== */

[dir="rtl"] .cod-express-header {
    padding-left: 0;
    padding-right: 15px;
    border-left: none;
    border-right: 4px solid currentColor;
}

[dir="rtl"] .cod-express-field label .required {
    margin-left: 0;
    margin-right: 3px;
}

[dir="rtl"] .cod-express-submit-btn .spinner {
    margin-right: 0;
    margin-left: 8px;
}

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

@media print {
    .cod-express-checkout-form {
        display: none;
    }
}