/* Main Design System CSS - Reusable Components for Dating App */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700&display=swap');

/* =================
   CSS CUSTOM PROPERTIES (CSS Variables)
   ================= */
:root {
    /* Primary Colors */
    --lw-primary: #33196b;
    --lw-secondary: #645290;
    --lw-primary-light: #7c3aed;
    --lw-primary-dark: #1e1b4b;
    
    /* Gradient Colors */
    --lw-gradient-start: #c53e8d;
    --lw-gradient-end: #8b5cf6;
    --lw-gradient-light: linear-gradient(135deg, rgba(197, 62, 141, 0.1), rgba(139, 92, 246, 0.1));
    --lw-gradient-main: linear-gradient(135deg, var(--lw-gradient-start), var(--lw-gradient-end));
    
    /* Neutral Colors */
    --lw-white: #ffffff;
    --lw-light-gray: #f8f9fc;
    --lw-gray-50: #f9fafb;
    --lw-gray-100: #f3f4f6;
    --lw-gray-200: #e5e7eb;
    --lw-gray-300: #d1d5db;
    --lw-gray-400: #9ca3af;
    --lw-gray-500: #6b7280;
    --lw-gray-600: #4b5563;
    --lw-gray-700: #374151;
    --lw-gray-800: #1f2937;
    --lw-gray-900: #111827;
    
    /* Social Colors */
    --lw-facebook: #4267B2;
    --lw-google: #db4437;
    --lw-facebook-hover: #365899;
    --lw-google-hover: #c23321;
    
    /* Status Colors */
    --lw-success: #10b981;
    --lw-warning: #f59e0b;
    --lw-danger: #ef4444;
    --lw-info: #3b82f6;
    
    /* Border and Shadow */
    --lw-border: #e0e0e0;
    --lw-shadow: rgba(0, 0, 0, 0.1);
    --lw-shadow-light: rgba(0, 0, 0, 0.05);
    --lw-shadow-medium: rgba(0, 0, 0, 0.15);
    --lw-shadow-heavy: rgba(0, 0, 0, 0.25);
    
    /* Typography */
    --lw-font-family: 'Lexend', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --lw-font-size-xs: 12px;
    --lw-font-size-sm: 14px;
    --lw-font-size-base: 16px;
    --lw-font-size-lg: 18px;
    --lw-font-size-xl: 20px;
    --lw-font-size-2xl: 24px;
    --lw-font-size-3xl: 30px;
    --lw-font-size-4xl: 36px;
    
    /* Spacing */
    --lw-space-xs: 4px;
    --lw-space-sm: 8px;
    --lw-space-md: 16px;
    --lw-space-lg: 24px;
    --lw-space-xl: 32px;
    --lw-space-2xl: 48px;
    --lw-space-3xl: 64px;
    
    /* Border Radius */
    --lw-radius-sm: 8px;
    --lw-radius-md: 12px;
    --lw-radius-lg: 16px;
    --lw-radius-xl: 20px;
    --lw-radius-full: 9999px;
    
    /* Transitions */
    --lw-transition: all 0.3s ease;
    --lw-transition-fast: all 0.15s ease;
    --lw-transition-slow: all 0.5s ease;
    
    /* Z-index */
    --lw-z-behind: -1;
    --lw-z-default: 1;
    --lw-z-tooltip: 10;
    --lw-z-dropdown: 20;
    --lw-z-sticky: 30;
    --lw-z-modal: 40;
    --lw-z-popover: 50;
}

/* =================
   UTILITY CLASSES
   ================= */

/* Font Family */
.lw-font {
    font-family: var(--lw-font-family) !important;
}

/* Text Colors */
.lw-text-primary { color: var(--lw-primary) !important; }
.lw-text-secondary { color: var(--lw-secondary) !important; }
.lw-text-white { color: var(--lw-white) !important; }
.lw-text-gray-50 { color: var(--lw-gray-50) !important; }
.lw-text-gray-100 { color: var(--lw-gray-100) !important; }
.lw-text-gray-200 { color: var(--lw-gray-200) !important; }
.lw-text-gray-300 { color: var(--lw-gray-300) !important; }
.lw-text-gray-400 { color: var(--lw-gray-400) !important; }
.lw-text-gray-500 { color: var(--lw-gray-500) !important; }
.lw-text-gray-600 { color: var(--lw-gray-600) !important; }
.lw-text-gray-700 { color: var(--lw-gray-700) !important; }
.lw-text-gray-800 { color: var(--lw-gray-800) !important; }
.lw-text-gray-900 { color: var(--lw-gray-900) !important; }

/* Background Colors */
.lw-bg-primary { background-color: var(--lw-primary) !important; }
.lw-bg-secondary { background-color: var(--lw-secondary) !important; }
.lw-bg-white { background-color: var(--lw-white) !important; }
.lw-bg-light { background-color: var(--lw-light-gray) !important; }
.lw-bg-gradient { background: var(--lw-gradient-main) !important; }
.lw-bg-gradient-light { background: var(--lw-gradient-light) !important; }

/* =================
   LAYOUT COMPONENTS
   ================= */

/* Full Page Container */
.lw-page-container {
    min-height: 100vh;
    background-color: var(--lw-white);
    font-family: var(--lw-font-family);
    color: var(--lw-primary);
    overflow-x: hidden;
}

/* Gradient Backgrounds for Auth Pages */
.lw-gradient-bg-bottom {
    position: fixed;
    bottom: -200px;
    left: -250px;
    width: 591px;
    height: 591px;
    background: linear-gradient(135deg, rgba(197, 62, 141, 0.3), rgba(139, 92, 246, 0.3));
    border-radius: 50%;
    transform: rotate(75deg);
    z-index: var(--lw-z-behind);
    pointer-events: none;
}

.lw-gradient-bg-top {
    position: fixed;
    top: -300px;
    right: -200px;
    width: 591px;
    height: 591px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(197, 62, 141, 0.2));
    border-radius: 50%;
    transform: rotate(75deg);
    z-index: var(--lw-z-behind);
    pointer-events: none;
}

/* Card Components */
.lw-card {
    background: var(--lw-white);
    border-radius: var(--lw-radius-xl);
    box-shadow: 0 20px 40px var(--lw-shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.lw-card-glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--lw-radius-xl);
    box-shadow: 0 20px 40px var(--lw-shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Section Containers */
.lw-section {
    padding: var(--lw-space-2xl) var(--lw-space-md);
}

.lw-section-lg {
    padding: var(--lw-space-3xl) var(--lw-space-lg);
}

/* =================
   TYPOGRAPHY COMPONENTS
   ================= */

.lw-title {
    font-family: var(--lw-font-family);
    font-weight: 600;
    font-size: var(--lw-font-size-4xl);
    color: var(--lw-primary);
    margin-bottom: var(--lw-space-md);
    text-align: center;
}

.lw-title-sm {
    font-size: var(--lw-font-size-2xl);
}

.lw-title-lg {
    font-size: 48px;
}

.lw-subtitle {
    font-family: var(--lw-font-family);
    font-weight: 500;
    font-size: var(--lw-font-size-base);
    color: var(--lw-secondary);
    line-height: 1.4;
    text-align: center;
    margin-bottom: 0;
    letter-spacing: 0.16px;
}

.lw-heading-1 {
    font-family: var(--lw-font-family);
    font-weight: 700;
    font-size: var(--lw-font-size-3xl);
    color: var(--lw-primary);
}

.lw-heading-2 {
    font-family: var(--lw-font-family);
    font-weight: 600;
    font-size: var(--lw-font-size-2xl);
    color: var(--lw-primary);
}

.lw-heading-3 {
    font-family: var(--lw-font-family);
    font-weight: 600;
    font-size: var(--lw-font-size-xl);
    color: var(--lw-primary);
}

.lw-body-text {
    font-family: var(--lw-font-family);
    font-weight: 400;
    font-size: var(--lw-font-size-base);
    color: var(--lw-gray-600);
    line-height: 1.6;
}

.lw-small-text {
    font-family: var(--lw-font-family);
    font-weight: 400;
    font-size: var(--lw-font-size-sm);
    color: var(--lw-gray-500);
}

/* =================
   FORM COMPONENTS
   ================= */

.lw-form-group {
    margin-bottom: var(--lw-space-lg);
}

.lw-form-label {
    display: block;
    font-family: var(--lw-font-family);
    font-weight: 600;
    font-size: var(--lw-font-size-sm);
    color: var(--lw-gray-700);
    margin-bottom: var(--lw-space-sm);
}

/* Input Container */
.lw-input-container {
    position: relative;
}

.lw-input-with-icon {
    position: relative;
}

.lw-input-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--lw-secondary);
    font-weight: 600;
    z-index: var(--lw-z-default);
    font-size: var(--lw-font-size-lg);
}

/* Form Inputs */
.lw-form-input {
    width: 100%;
    height: 60px;
    background-color: var(--lw-white);
    border: 2px solid var(--lw-gradient-start);
    border-radius: var(--lw-radius-full);
    padding: 0 20px;
    font-family: var(--lw-font-family);
    font-weight: 500;
    font-size: var(--lw-font-size-lg);
    color: var(--lw-primary);
    transition: var(--lw-transition);
    outline: none;
}

.lw-form-input::placeholder {
    color: var(--lw-secondary);
    opacity: 0.9;
}

.lw-form-input:focus {
    border-color: var(--lw-gradient-end);
    box-shadow: 0 0 0 3px rgba(197, 62, 141, 0.1);
}

.lw-form-input-with-icon {
    padding-left: 50px;
}

/* Textarea */
.lw-form-textarea {
    width: 100%;
    min-height: 120px;
    background-color: var(--lw-white);
    border: 2px solid var(--lw-gradient-start);
    border-radius: var(--lw-radius-lg);
    padding: var(--lw-space-md) 20px;
    font-family: var(--lw-font-family);
    font-weight: 500;
    font-size: var(--lw-font-size-base);
    color: var(--lw-primary);
    transition: var(--lw-transition);
    outline: none;
    resize: vertical;
}

.lw-form-textarea:focus {
    border-color: var(--lw-gradient-end);
    box-shadow: 0 0 0 3px rgba(197, 62, 141, 0.1);
}

/* Select Dropdown */
.lw-form-select {
    width: 100%;
    height: 60px;
    background-color: var(--lw-white);
    border: 2px solid var(--lw-gradient-start);
    border-radius: var(--lw-radius-full);
    padding: 0 20px;
    font-family: var(--lw-font-family);
    font-weight: 500;
    font-size: var(--lw-font-size-lg);
    color: var(--lw-primary);
    outline: none;
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%23645290" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 20px center;
    background-size: 20px;
    transition: var(--lw-transition);
    cursor: pointer;
}

.lw-form-select:focus {
    border-color: var(--lw-gradient-end);
    box-shadow: 0 0 0 3px rgba(197, 62, 141, 0.1);
}

.lw-form-select option {
    color: var(--lw-primary);
    background-color: var(--lw-white);
    padding: var(--lw-space-sm);
}

/* Country Code Select */
.lw-country-select {
    width: 85px;
    height: 60px;
    background-color: var(--lw-white);
    border: 2px solid var(--lw-gradient-start);
    border-radius: var(--lw-radius-full);
    padding: 0 12px;
    font-family: var(--lw-font-family);
    font-weight: 500;
    font-size: var(--lw-font-size-sm);
    color: var(--lw-primary);
    outline: none;
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%23645290" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
    transition: var(--lw-transition);
}

/* Mobile Input Group */
.lw-mobile-input-group {
    display: flex;
    gap: var(--lw-space-sm);
}

.lw-mobile-input {
    flex: 1;
}

/* Date Input */
.lw-date-input {
    color-scheme: light;
}

.lw-date-input::-webkit-calendar-picker-indicator {
    color-scheme: light;
    cursor: pointer;
}

/* File Upload */
.lw-file-input {
    width: 100%;
    height: 60px;
    background-color: var(--lw-white);
    border: 2px dashed var(--lw-gradient-start);
    border-radius: var(--lw-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--lw-transition);
    position: relative;
    overflow: hidden;
}

.lw-file-input:hover {
    border-color: var(--lw-gradient-end);
    background-color: rgba(197, 62, 141, 0.05);
}

.lw-file-input input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

/* =================
   BUTTON COMPONENTS
   ================= */

/* Primary Button */
.lw-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--lw-font-family);
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--lw-transition);
    text-align: center;
    outline: none;
    position: relative;
    overflow: hidden;
}

.lw-btn-primary {
    background: var(--lw-gradient-main);
    color: var(--lw-white);
    border-radius: var(--lw-radius-full);
    padding: var(--lw-space-md) var(--lw-space-xl);
    font-size: var(--lw-font-size-base);
    letter-spacing: 0.16px;
}

.lw-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(197, 62, 141, 0.3);
    color: var(--lw-white);
    text-decoration: none;
}

.lw-btn-primary:active {
    transform: translateY(0);
}

/* Large Primary Button */
.lw-btn-primary-lg {
    height: 65px;
    padding: 0 var(--lw-space-2xl);
    font-size: var(--lw-font-size-lg);
    letter-spacing: 0.18px;
    border-radius: 80px;
}

/* Full Width Button */
.lw-btn-full {
    width: 100%;
}

/* Secondary Button */
.lw-btn-secondary {
    background-color: transparent;
    color: var(--lw-primary);
    border: 2px solid var(--lw-primary);
    border-radius: var(--lw-radius-full);
    padding: var(--lw-space-md) var(--lw-space-xl);
    font-size: var(--lw-font-size-base);
}

.lw-btn-secondary:hover {
    background-color: var(--lw-primary);
    color: var(--lw-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(51, 25, 107, 0.3);
    text-decoration: none;
}

/* Link Button */
.lw-btn-link {
    background: none;
    border: none;
    color: var(--lw-secondary);
    font-family: var(--lw-font-family);
    font-weight: 500;
    font-size: var(--lw-font-size-sm);
    text-decoration: none;
    cursor: pointer;
    transition: var(--lw-transition);
}

.lw-btn-link:hover {
    color: var(--lw-primary);
    text-decoration: underline;
}

/* Social Buttons */
.lw-social-btn {
    width: 63px;
    height: 63px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--lw-transition);
    color: white;
    font-size: 24px;
    border: none;
    cursor: pointer;
}

.lw-social-facebook {
    background-color: var(--lw-facebook);
}

.lw-social-facebook:hover {
    background-color: var(--lw-facebook-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(66, 103, 178, 0.4);
    color: white;
    text-decoration: none;
}

.lw-social-google {
    background-color: var(--lw-google);
}

.lw-social-google:hover {
    background-color: var(--lw-google-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(219, 68, 55, 0.4);
    color: white;
    text-decoration: none;
}

/* Button Loading State */
.lw-btn-loading {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

/* =================
   DIVIDER COMPONENTS
   ================= */

.lw-divider {
    position: relative;
    margin: var(--lw-space-xl) 0;
    text-align: center;
}

.lw-divider-line {
    height: 1px;
    background-color: var(--lw-border);
    margin: 0 auto;
}

.lw-divider-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    background-color: var(--lw-white);
    border: 1px solid var(--lw-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lw-divider-text {
    font-family: var(--lw-font-family);
    font-weight: 500;
    font-size: var(--lw-font-size-base);
    color: var(--lw-primary);
    letter-spacing: 0.16px;
}

/* =================
   LOGO COMPONENTS
   ================= */

.lw-logo {
    height: 60px;
    object-fit: contain;
}

.lw-logo-sm {
    height: 40px;
}

.lw-logo-lg {
    height: 80px;
}

.lw-logo-white {
    filter: brightness(0) invert(1);
}

/* =================
   ALERT COMPONENTS
   ================= */

.lw-alert {
    border-radius: var(--lw-radius-md);
    padding: var(--lw-space-md);
    margin-bottom: var(--lw-space-md);
    font-family: var(--lw-font-family);
    font-weight: 500;
    border: none;
}

.lw-alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border-left: 4px solid var(--lw-success);
}

.lw-alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #92400e;
    border-left: 4px solid var(--lw-warning);
}

.lw-alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: #991b1b;
    border-left: 4px solid var(--lw-danger);
}

.lw-alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    color: #1e40af;
    border-left: 4px solid var(--lw-info);
}

/* =================
   CHECKBOX & RADIO COMPONENTS
   ================= */

/* Custom Checkbox */
.lw-checkbox-container {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: var(--lw-space-sm);
    cursor: pointer;
}

.lw-checkbox {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--lw-border);
    border-radius: var(--lw-radius-sm);
    background-color: var(--lw-white);
    cursor: pointer;
    position: relative;
    transition: var(--lw-transition);
}

.lw-checkbox:checked {
    background-color: var(--lw-gradient-start);
    border-color: var(--lw-gradient-start);
}

.lw-checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--lw-white);
    font-size: 12px;
    font-weight: bold;
}

.lw-checkbox-label {
    font-family: var(--lw-font-family);
    font-weight: 400;
    font-size: var(--lw-font-size-sm);
    color: var(--lw-secondary);
    line-height: 1.4;
    cursor: pointer;
}

.lw-checkbox-label a {
    color: var(--lw-primary);
    text-decoration: none;
    font-weight: 500;
}

.lw-checkbox-label a:hover {
    text-decoration: underline;
}

/* =================
   RESPONSIVE UTILITIES
   ================= */

/* Mobile-first responsive breakpoints */
@media (max-width: 480px) {
    .lw-hide-mobile { display: none !important; }
    .lw-title { font-size: var(--lw-font-size-2xl); }
    .lw-form-input { height: 48px; font-size: var(--lw-font-size-base); }
    .lw-btn-primary-lg { height: 48px; font-size: var(--lw-font-size-base); }
    .lw-social-btn { width: 45px; height: 45px; font-size: 16px; }
    .lw-mobile-input-group { flex-direction: column; gap: var(--lw-space-md); }
    .lw-country-select { width: 100%; height: 48px; }
}

@media (max-width: 768px) {
    .lw-hide-tablet { display: none !important; }
    .lw-gradient-bg-bottom, .lw-gradient-bg-top { display: none; }
    .lw-section { padding: var(--lw-space-xl) var(--lw-space-md); }
}

@media (min-width: 769px) {
    .lw-hide-desktop { display: none !important; }
}

/* Progressive Web App specific styles */
@media (max-width: 768px) {
    .lw-pwa-container {
        -webkit-user-select: none;
        -webkit-touch-callout: none;
        -webkit-tap-highlight-color: transparent;
    }
    
    .lw-form-input {
        -webkit-appearance: none;
        -webkit-border-radius: var(--lw-radius-full);
    }
    
    .lw-btn-primary {
        -webkit-appearance: none;
        -webkit-border-radius: 80px;
    }
    
    /* Subtle animation for mobile interactions */
    .lw-form-input:focus,
    .lw-btn-primary:active,
    .lw-social-btn:active {
        -webkit-transform: scale(0.98);
        transform: scale(0.98);
    }
}

#accordionSidebar {
    background: linear-gradient(268deg, #e91e63 0%, #8b5cf6 100%) !important;
    box-shadow: 4px 0 15px rgba(0,0,0,0.2);
    border-bottom-left-radius: 40px;
}

#accordionSidebar .nav-link:hover {
    background: rgba(255,255,255,0.1) !important;
    color: white !important;
    transform: translateX(4px);
}

#accordionSidebar .nav-link:hover i {
    color: #e91e63 !important;
}

#accordionSidebar .nav-link.active {
    background: rgba(255,255,255,0.15) !important;
    color: white !important;
}

#accordionSidebar .nav-link.active i {
    color: #e91e63 !important;
}

/* Default icon colors */
#accordionSidebar .nav-link i {
    color: white !important;
    transition: color 0.3s ease;
}

.lw-featured-users-block .btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 20px rgba(233, 30, 99, 0.3) !important;
}

.lw-featured-users a:hover img {
    border-color: #e91e63 !important;
    transform: scale(1.05);
}