/**
 * SmartLangCurrency Frontend Styles
 * Following WordPress Admin UI/UX Rules
 */

/* CSS Variables for consistent theming */
:root {
    --slc-primary: #6366F1;
    --slc-primary-dark: #4F46E5;
    --slc-success: #10B981;
    --slc-error: #EF4444;
    --slc-warning: #F59E0B;
    --slc-info: #3B82F6;
    --slc-bg-light: #F8FAFC;
    --slc-bg-white: #FFFFFF;
    --slc-text-primary: #0F172A;
    --slc-text-secondary: #475569;
    --slc-text-muted: #94A3B8;
    --slc-border: #E2E8F0;
    --slc-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --slc-shadow-hover: 0 4px 6px rgba(0, 0, 0, 0.1);
    --slc-shadow-modal: 0 8px 20px rgba(0, 0, 0, 0.15);
    --slc-radius: 8px;
    --slc-radius-sm: 6px;
    --slc-transition: all 0.2s ease-in-out;
}

/* Main Widget Container */
.slc-widget {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    position: relative;
    display: inline-block;
    z-index: 1000;
}

/* Trigger Button */
.slc-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--slc-bg-white);
    border: 1px solid var(--slc-border);
    border-radius: var(--slc-radius);
    cursor: pointer;
    transition: var(--slc-transition);
    box-shadow: var(--slc-shadow);
    font-size: 14px;
    font-weight: 500;
    color: var(--slc-text-primary);
    min-width: 80px;
    justify-content: center;
}

.slc-trigger:hover {
    box-shadow: var(--slc-shadow-hover);
    border-color: var(--slc-primary);
    transform: translateY(-1px);
}

.slc-trigger:active {
    transform: translateY(0);
}

.slc-language,
.slc-currency {
    font-weight: 600;
    color: var(--slc-primary);
}

.slc-separator {
    color: var(--slc-text-muted);
    font-weight: 400;
}

/* Modal Overlay */
.slc-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.slc-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

/* Modal Content */
.slc-modal-content {
    background: var(--slc-bg-white);
    border-radius: var(--slc-radius);
    box-shadow: var(--slc-shadow-modal);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.3s ease-in-out;
}

.slc-modal.show .slc-modal-content {
    transform: scale(1);
}

/* Modal Header */
.slc-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    border-bottom: 1px solid var(--slc-border);
    background: var(--slc-bg-light);
}

.slc-modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--slc-text-primary);
}

.slc-close {
    font-size: 24px;
    font-weight: 300;
    color: var(--slc-text-muted);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--slc-transition);
}

.slc-close:hover {
    background: var(--slc-bg-white);
    color: var(--slc-text-primary);
}

/* Modal Body */
.slc-modal-body {
    padding: 24px;
    max-height: 60vh;
    overflow-y: auto;
}

.slc-section {
    margin-bottom: 32px;
}

.slc-section:last-child {
    margin-bottom: 0;
}

.slc-section h4 {
    margin: 0 0 16px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--slc-text-primary);
}

/* Language and Currency Lists */
.slc-language-list,
.slc-currency-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 8px;
}

.slc-language-item,
.slc-currency-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 1px solid var(--slc-border);
    border-radius: var(--slc-radius-sm);
    cursor: pointer;
    transition: var(--slc-transition);
    background: var(--slc-bg-white);
}

.slc-language-item:hover,
.slc-currency-item:hover {
    border-color: var(--slc-primary);
    background: var(--slc-bg-light);
    transform: translateY(-1px);
    box-shadow: var(--slc-shadow);
}

.slc-language-item.active,
.slc-currency-item.active {
    border-color: var(--slc-primary);
    background: rgba(99, 102, 241, 0.1);
    color: var(--slc-primary);
}

.slc-language-item.active .slc-name,
.slc-currency-item.active .slc-name {
    font-weight: 600;
}

.slc-flag,
.slc-symbol {
    font-size: 18px;
    min-width: 24px;
    text-align: center;
}

.slc-name {
    font-size: 14px;
    color: var(--slc-text-primary);
    font-weight: 500;
}

/* Modal Footer */
.slc-modal-footer {
    display: flex;
    gap: 12px;
    padding: 24px;
    border-top: 1px solid var(--slc-border);
    background: var(--slc-bg-light);
    justify-content: flex-end;
}

/* Buttons */
.slc-btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--slc-radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--slc-transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

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

.slc-btn-primary:hover {
    background: var(--slc-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--slc-shadow);
}

.slc-btn-secondary {
    background: var(--slc-bg-white);
    color: var(--slc-text-primary);
    border: 1px solid var(--slc-border);
}

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

/* Floating Mode */
.slc-widget[data-mode="floating"] {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
}

.slc-widget[data-mode="floating"] .slc-trigger {
    box-shadow: var(--slc-shadow-modal);
    border: none;
    background: var(--slc-primary);
    color: white;
}

.slc-widget[data-mode="floating"] .slc-trigger:hover {
    background: var(--slc-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.slc-widget[data-mode="floating"] .slc-language,
.slc-widget[data-mode="floating"] .slc-currency {
    color: white;
}

.slc-widget[data-mode="floating"] .slc-separator {
    color: rgba(255, 255, 255, 0.7);
}

/* RTL Support */
[dir="rtl"] .slc-trigger {
    direction: rtl;
}

[dir="rtl"] .slc-language-item,
[dir="rtl"] .slc-currency-item {
    direction: rtl;
}

[dir="rtl"] .slc-modal-footer {
    direction: rtl;
}

/* Loading States */
.slc-loading {
    opacity: 0.6;
    pointer-events: none;
}

.slc-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--slc-border);
    border-top: 2px solid var(--slc-primary);
    border-radius: 50%;
    animation: slc-spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .slc-modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .slc-modal-header,
    .slc-modal-body,
    .slc-modal-footer {
        padding: 16px;
    }
    
    .slc-language-list,
    .slc-currency-list {
        grid-template-columns: 1fr;
    }
    
    .slc-widget[data-mode="floating"] {
        bottom: 16px;
        right: 16px;
    }
    
    .slc-trigger {
        padding: 10px 12px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .slc-modal-content {
        width: 100%;
        height: 100%;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .slc-modal-body {
        max-height: calc(100vh - 140px);
    }
}

/* Animation for price conversion */
.slc-price-converting {
    position: relative;
    overflow: hidden;
}

.slc-price-converting::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.2), transparent);
    animation: slc-shimmer 1.5s infinite;
}

@keyframes slc-shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Success/Error States */
.slc-success {
    color: var(--slc-success);
}

.slc-error {
    color: var(--slc-error);
}

.slc-warning {
    color: var(--slc-warning);
}

.slc-info {
    color: var(--slc-info);
}

/* Accessibility */
.slc-trigger:focus,
.slc-language-item:focus,
.slc-currency-item:focus,
.slc-btn:focus {
    outline: 2px solid var(--slc-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --slc-border: #000000;
        --slc-text-muted: #000000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .slc-trigger,
    .slc-language-item,
    .slc-currency-item,
    .slc-btn,
    .slc-modal,
    .slc-modal-content {
        transition: none;
    }
    
    .slc-loading::after {
        animation: none;
    }
    
    .slc-price-converting::after {
        animation: none;
    }
}