/**
 * PayMe Shortcode Styles
 *
 * Styles for PayMe payment buttons and forms on custom pages.
 * Uses PayMe brand colors and responsive design principles.
 *
 * @package PayMe_Business_Gateway
 * @version 1.0.0
 */

/* ============================================
   PayMe Brand Colors
   ============================================ */

:root {
    --payme-red: #DB0011;
    --payme-red-dark: #B00010;
    --payme-red-light: #FF1744;
    --payme-white: #ffffff;
    --payme-gray-light: #f8f9fa;
    --payme-gray-medium: #e9ecef;
    --payme-gray-dark: #6c757d;
    --payme-text-primary: #333333;
    --payme-text-secondary: #666666;
    --payme-success: #28a745;
    --payme-danger: #dc3545;
}

/* ============================================
   Button Wrapper
   ============================================ */

.payme-button-wrapper {
    display: inline-block;
    margin: 15px 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ============================================
   Custom Amount Input
   ============================================ */

.payme-custom-amount-input {
    margin-bottom: 15px;
}

.payme-custom-amount-input label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--payme-text-primary);
    font-size: 14px;
}

.payme-amount-input {
    width: 100%;
    max-width: 300px;
    padding: 12px 16px;
    font-size: 16px;
    border: 2px solid var(--payme-gray-medium);
    border-radius: 8px;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.payme-amount-input:focus {
    outline: none;
    border-color: var(--payme-red);
    box-shadow: 0 0 0 3px rgba(219, 0, 17, 0.1);
}

/* ============================================
   PayMe Button
   ============================================ */

.payme-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 28px;
    background: linear-gradient(135deg, var(--payme-red) 0%, var(--payme-red-dark) 100%);
    color: var(--payme-white);
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(219, 0, 17, 0.3);
    text-decoration: none;
    line-height: 1.4;
    position: relative;
    overflow: hidden;
    min-height: 52px;
    box-sizing: border-box;
}

/* Hover Effect */
.payme-button:hover {
    background: linear-gradient(135deg, var(--payme-red-light) 0%, var(--payme-red) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(219, 0, 17, 0.4);
}

/* Active/Click Effect */
.payme-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(219, 0, 17, 0.3);
}

/* Focus State (Accessibility) */
.payme-button:focus {
    outline: 3px solid rgba(219, 0, 17, 0.5);
    outline-offset: 2px;
}

.payme-button:focus-visible {
    outline: 3px solid rgba(219, 0, 17, 0.5);
    outline-offset: 2px;
}

/* Disabled State */
.payme-button:disabled {
    background: var(--payme-gray-medium);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.6;
}

/* ============================================
   Button Logo
   ============================================ */

.payme-button-logo {
    height: 28px;
    max-height: 32px;
    width: auto;
    object-fit: contain;
    vertical-align: middle;
    flex-shrink: 0;
    display: inline-block;
}

/* ============================================
   Button Text
   ============================================ */

.payme-button-text {
    color: var(--payme-white);
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

/* ============================================
   Button Amount
   ============================================ */

.payme-button-amount {
    color: var(--payme-white);
    font-weight: 700;
    font-size: 18px;
    padding-left: 8px;
    border-left: 2px solid rgba(255, 255, 255, 0.3);
    white-space: nowrap;
    flex-shrink: 0;
}

/* ============================================
   Loading State
   ============================================ */

.payme-button.payme-loading {
    pointer-events: none;
    color: transparent;
}

.payme-button.payme-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--payme-white);
    border-radius: 50%;
    animation: payme-spin 0.8s linear infinite;
}

@keyframes payme-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.payme-button.payme-loading .payme-button-text,
.payme-button.payme-loading .payme-button-amount {
    opacity: 0;
}

/* ============================================
   Error State
   ============================================ */

.payme-button.payme-error {
    animation: payme-shake 0.5s;
}

@keyframes payme-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* ============================================
   Error Message
   ============================================ */

.payme-error {
    display: inline-block;
    padding: 12px 20px;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    margin: 10px 0;
    line-height: 1.5;
}

/* ============================================
   Button Size Variants
   ============================================ */

/* Compact Button */
.payme-button-wrapper.payme-compact .payme-button {
    padding: 10px 20px;
    font-size: 14px;
    gap: 8px;
}

.payme-button-wrapper.payme-compact .payme-button-amount {
    font-size: 15px;
    padding-left: 6px;
}

/* Large Button */
.payme-button-wrapper.payme-large .payme-button {
    padding: 20px 36px;
    font-size: 18px;
    gap: 14px;
}

.payme-button-wrapper.payme-large .payme-button-amount {
    font-size: 20px;
    padding-left: 10px;
}

/* ============================================
   Button Layout Variants
   ============================================ */

/* Full Width Button */
.payme-button-wrapper.payme-full-width {
    display: block;
    width: 100%;
}

.payme-button-wrapper.payme-full-width .payme-button {
    width: 100%;
}

/* Centered Button */
.payme-button-wrapper.payme-center {
    display: block;
    text-align: center;
}

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

@media (max-width: 768px) {
    .payme-button {
        padding: 14px 24px;
        font-size: 15px;
        gap: 10px;
        min-height: 48px;
    }

    .payme-button-logo {
        height: 24px;
        max-height: 28px;
    }

    .payme-button-amount {
        font-size: 16px;
        padding-left: 6px;
    }

    /* Large buttons on tablet */
    .payme-button-wrapper.payme-large .payme-button {
        padding: 18px 32px;
        font-size: 17px;
    }

    .payme-button-wrapper.payme-large .payme-button-amount {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    /* Auto full-width on mobile */
    .payme-button-wrapper {
        display: block;
        width: 100%;
    }

    .payme-button {
        width: 100%;
        padding: 16px 20px;
        font-size: 14px;
        gap: 8px;
        min-height: 44px;
    }

    .payme-button-logo {
        height: 22px;
        max-height: 24px;
    }

    .payme-button-text {
        font-size: 14px;
    }

    .payme-button-amount {
        font-size: 15px;
        padding-left: 6px;
    }

    /* Compact buttons stay compact */
    .payme-button-wrapper.payme-compact .payme-button {
        padding: 12px 16px;
        font-size: 13px;
        min-height: 40px;
    }

    .payme-button-wrapper.payme-compact .payme-button-logo {
        height: 20px;
        max-height: 22px;
    }

    /* Large buttons adjust */
    .payme-button-wrapper.payme-large .payme-button {
        padding: 18px 24px;
        font-size: 16px;
    }

    .payme-button-wrapper.payme-large .payme-button-amount {
        font-size: 17px;
    }

    /* Payment form submit button on mobile */
    .payme-submit-button {
        padding: 14px 20px;
        font-size: 14px;
        gap: 8px;
        min-height: 44px;
    }

    .payme-submit-button .payme-button-logo {
        height: 22px;
        max-height: 24px;
    }
}

/* Very small screens - ensure content is always visible */
@media (max-width: 360px) {
    .payme-button {
        padding: 12px 16px;
        font-size: 13px;
        gap: 6px;
        min-height: 40px;
    }

    .payme-button-logo {
        height: 20px;
        max-height: 22px;
    }

    .payme-button-text {
        font-size: 13px;
    }

    .payme-button-amount {
        font-size: 14px;
        padding-left: 4px;
        border-left-width: 1px;
    }

    .payme-submit-button {
        padding: 12px 16px;
        font-size: 13px;
        gap: 6px;
        min-height: 40px;
    }

    .payme-submit-button .payme-button-logo {
        height: 20px;
        max-height: 22px;
    }
}

/* ============================================
   Payment Form Styles
   ============================================ */

.payme-payment-form {
    max-width: 500px;
    margin: 20px 0;
    padding: 30px;
    background: var(--payme-white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

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

.payme-form-group input,
.payme-form-group textarea,
.payme-form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--payme-gray-medium);
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.3s ease;
}

.payme-form-group input:focus,
.payme-form-group textarea:focus,
.payme-form-group select:focus {
    outline: none;
    border-color: var(--payme-red);
}

.payme-description {
    margin-bottom: 20px;
    color: var(--payme-text-secondary);
    line-height: 1.6;
}

.payme-amount-display {
    padding: 20px;
    background: var(--payme-gray-light);
    border-radius: 8px;
    text-align: center;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
    color: var(--payme-red);
}

.payme-submit-button {
    width: 100%;
    padding: 16px 28px;
    background: linear-gradient(135deg, var(--payme-red) 0%, var(--payme-red-dark) 100%);
    color: var(--payme-white);
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(219, 0, 17, 0.3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 52px;
    box-sizing: border-box;
}

.payme-submit-button .payme-button-logo {
    height: 28px;
    max-height: 32px;
    width: auto;
    object-fit: contain;
    vertical-align: middle;
    flex-shrink: 0;
    display: inline-block;
}

.payme-submit-button:hover {
    background: linear-gradient(135deg, var(--payme-red-light) 0%, var(--payme-red) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(219, 0, 17, 0.4);
}

.payme-submit-button:active {
    transform: translateY(0);
}

.payme-submit-button:disabled {
    background: var(--payme-gray-medium);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.payme-message {
    margin-top: 15px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
}

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

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

/* ============================================
   Accessibility
   ============================================ */

/* Screen reader only text */
.payme-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .payme-button {
        border: 2px solid currentColor;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .payme-button,
    .payme-button::after,
    .payme-submit-button {
        transition: none;
        animation: none;
    }
}

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

@media print {
    .payme-button,
    .payme-submit-button {
        display: none;
    }

    .payme-payment-form {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}