/**
 * Enhanced Book Now Modal - Modular CSS
 * 
 * This stylesheet provides enhanced styling for the booking modal with:
 * - Modern design patterns
 * - Responsive layout
 * - Dark mode support
 * - Accessibility features
 * - Error state handling
 * 
 * @author Twins Real Estate
 * @version 2.0.0
 */

/* ============================================================
   CSS Custom Properties / Variables
   ============================================================ */

:root {
    /* Brand Colors */
    --twins-primary: #FF385C;
    --twins-primary-dark: #E31C5F;
    --twins-primary-light: #FF5A7D;
    
    /* Neutral Colors */
    --twins-black: #222222;
    --twins-white: #FFFFFF;
    --twins-gray-900: #111827;
    --twins-gray-800: #1F2937;
    --twins-gray-700: #374151;
    --twins-gray-600: #4B5563;
    --twins-gray-500: #6B7280;
    --twins-gray-400: #9CA3AF;
    --twins-gray-300: #D1D5DB;
    --twins-gray-200: #E5E7EB;
    --twins-gray-100: #F3F4F6;
    --twins-gray-50: #F9FAFB;
    
    /* Semantic Colors */
    --twins-success: #10B981;
    --twins-warning: #F59E0B;
    --twins-error: #EF4444;
    --twins-info: #3B82F6;
    
    /* Seasonal Colors */
    --twins-winter: #87CEEB;
    --twins-spring: #98FB98;
    --twins-summer: #FFD700;
    --twins-fall: #DAA520;
    
    /* Typography */
    --twins-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --twins-font-mono: 'SF Mono', Monaco, Inconsolata, 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    /* Spacing Scale */
    --twins-space-1: 0.25rem;
    --twins-space-2: 0.5rem;
    --twins-space-3: 0.75rem;
    --twins-space-4: 1rem;
    --twins-space-5: 1.25rem;
    --twins-space-6: 1.5rem;
    --twins-space-8: 2rem;
    --twins-space-10: 2.5rem;
    --twins-space-12: 3rem;
    --twins-space-16: 4rem;
    --twins-space-20: 5rem;
    
    /* Border Radius */
    --twins-radius-sm: 0.375rem;
    --twins-radius: 0.5rem;
    --twins-radius-md: 0.75rem;
    --twins-radius-lg: 1rem;
    --twins-radius-xl: 1.5rem;
    --twins-radius-full: 9999px;
    
    /* Shadows */
    --twins-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --twins-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --twins-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --twins-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --twins-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --twins-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --twins-transition-fast: 150ms ease;
    --twins-transition: 200ms ease;
    --twins-transition-slow: 300ms ease;
    
    /* Z-Index Scale */
    --twins-z-dropdown: 1000;
    --twins-z-sticky: 1020;
    --twins-z-fixed: 1030;
    --twins-z-modal-backdrop: 1040;
    --twins-z-modal: 1050;
    --twins-z-popover: 1060;
    --twins-z-tooltip: 1070;
    --twins-z-toast: 1080;
}

/* ============================================================
   Enhanced Book Now Button
   ============================================================ */

.enhanced-book-now-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: var(--twins-space-4);
}

.enhanced-book-now-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--twins-space-2);
    
    /* Layout */
    padding: var(--twins-space-3) var(--twins-space-5);
    min-width: 160px;
    height: 48px;
    
    /* Typography */
    font-family: var(--twins-font-family);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    text-decoration: none;
    color: var(--twins-white);
    
    /* Appearance */
    background: linear-gradient(135deg, var(--twins-primary) 0%, var(--twins-primary-dark) 100%);
    border: none;
    border-radius: var(--twins-radius-full);
    box-shadow: var(--twins-shadow-lg);
    
    /* Interaction */
    cursor: pointer;
    transition: all var(--twins-transition);
    user-select: none;
    
    /* Accessibility */
    position: relative;
    overflow: hidden;
}

.enhanced-book-now-btn:hover {
    background: linear-gradient(135deg, var(--twins-primary-dark) 0%, #D81B60 100%);
    transform: translateY(-2px);
    box-shadow: var(--twins-shadow-xl);
}

.enhanced-book-now-btn:active {
    transform: translateY(0);
    box-shadow: var(--twins-shadow-lg);
}

.enhanced-book-now-btn:focus-visible {
    outline: 2px solid var(--twins-primary);
    outline-offset: 2px;
}

.enhanced-book-now-btn:disabled {
    background: var(--twins-gray-400);
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--twins-shadow);
}

/* Button Icon */
.enhanced-book-now-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ============================================================
   Enhanced Modal Structure
   ============================================================ */

.enhanced-book-now-modal {
    position: fixed;
    inset: 0;
    z-index: var(--twins-z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--twins-space-4);
    
    /* Backdrop */
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.75) 0%,
        rgba(0, 0, 0, 0.6) 100%
    );
    backdrop-filter: blur(12px);
    
    /* Animation */
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--twins-transition-slow) ease,
                visibility var(--twins-transition-slow) ease;
}

.enhanced-book-now-modal.active {
    opacity: 1;
    visibility: visible;
}

.enhanced-book-now-modal-container {
    width: 100%;
    max-width: 1200px;
    max-height: 90vh;
    
    /* Layout */
    display: flex;
    flex-direction: column;
    
    /* Appearance */
    background: var(--twins-white);
    border-radius: var(--twins-radius-xl);
    box-shadow: var(--twins-shadow-2xl);
    overflow: hidden;
    
    /* Animation */
    transform: scale(0.9) translateY(20px);
    transition: transform var(--twins-transition-slow) cubic-bezier(0.34, 1.56, 0.64, 1);
}

.enhanced-book-now-modal.active .enhanced-book-now-modal-container {
    transform: scale(1) translateY(0);
}

/* ============================================================
   Modal Header
   ============================================================ */

.enhanced-book-now-header {
    display: flex;
    justify-content: between;
    align-items: center;
    padding: var(--twins-space-8) var(--twins-space-8) var(--twins-space-6);
    border-bottom: 1px solid var(--twins-gray-200);
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.95) 0%,
        rgba(249, 250, 251, 0.9) 100%
    );
    backdrop-filter: blur(8px);
}

.enhanced-book-now-title {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--twins-black);
    margin: 0;
    letter-spacing: -0.025em;
}

.enhanced-book-now-close {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--twins-gray-200);
    border-radius: var(--twins-radius-full);
    color: var(--twins-gray-600);
    
    cursor: pointer;
    transition: all var(--twins-transition-fast);
}

.enhanced-book-now-close:hover {
    background: var(--twins-white);
    border-color: var(--twins-gray-300);
    color: var(--twins-black);
    transform: scale(1.05);
}

/* ============================================================
   Modal Body
   ============================================================ */

.enhanced-book-now-body {
    flex: 1;
    padding: var(--twins-space-8);
    overflow-y: auto;
    
    /* Custom scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--twins-gray-300) transparent;
}

.enhanced-book-now-body::-webkit-scrollbar {
    width: 8px;
}

.enhanced-book-now-body::-webkit-scrollbar-track {
    background: transparent;
}

.enhanced-book-now-body::-webkit-scrollbar-thumb {
    background-color: var(--twins-gray-300);
    border-radius: var(--twins-radius-full);
}

.enhanced-book-now-body::-webkit-scrollbar-thumb:hover {
    background-color: var(--twins-gray-400);
}

/* ============================================================
   Form Sections
   ============================================================ */

.enhanced-book-now-section {
    margin-bottom: var(--twins-space-12);
}

.enhanced-book-now-section:last-child {
    margin-bottom: 0;
}

.enhanced-book-now-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--twins-black);
    margin: 0 0 var(--twins-space-8) 0;
    letter-spacing: -0.025em;
    position: relative;
}

.enhanced-book-now-section-title::after {
    content: '';
    position: absolute;
    bottom: -var(--twins-space-2);
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--twins-primary), var(--twins-primary-dark));
    border-radius: var(--twins-radius-sm);
}

/* ============================================================
   Enhanced Location Input
   ============================================================ */

.enhanced-location-wrapper {
    position: relative;
}

.enhanced-location-input {
    width: 100%;
    padding: var(--twins-space-4) var(--twins-space-4) var(--twins-space-4) var(--twins-space-12);
    
    font-family: var(--twins-font-family);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--twins-black);
    
    background: var(--twins-white);
    border: 1px solid var(--twins-gray-300);
    border-radius: var(--twins-radius);
    
    transition: border-color var(--twins-transition-fast),
                box-shadow var(--twins-transition-fast);
}

.enhanced-location-input:focus {
    outline: none;
    border-color: var(--twins-primary);
    box-shadow: 0 0 0 3px rgba(255, 56, 92, 0.1);
}

.enhanced-location-input::placeholder {
    color: var(--twins-gray-500);
}

.enhanced-location-icon {
    position: absolute;
    left: var(--twins-space-4);
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--twins-gray-500);
    pointer-events: none;
}

/* ============================================================
   Enhanced Date Tabs
   ============================================================ */

.enhanced-date-tabs {
    display: flex;
    gap: 0;
    background: var(--twins-gray-100);
    padding: var(--twins-space-1);
    border-radius: var(--twins-radius);
    margin-bottom: var(--twins-space-6);
}

.enhanced-date-tab {
    flex: 1;
    padding: var(--twins-space-3) var(--twins-space-4);
    
    font-family: var(--twins-font-family);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--twins-gray-600);
    text-align: center;
    
    background: transparent;
    border: none;
    border-radius: var(--twins-radius-sm);
    cursor: pointer;
    
    transition: all var(--twins-transition-fast);
}

.enhanced-date-tab:hover {
    color: var(--twins-black);
    background: rgba(255, 255, 255, 0.5);
}

.enhanced-date-tab.active {
    color: var(--twins-black);
    background: var(--twins-white);
    box-shadow: var(--twins-shadow-sm);
}

/* ============================================================
   Enhanced Date Display
   ============================================================ */

.enhanced-date-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--twins-space-3);
    margin-bottom: var(--twins-space-8);
}

.enhanced-date-field {
    padding: var(--twins-space-3) var(--twins-space-4);
    
    background: var(--twins-white);
    border: 1px solid var(--twins-gray-300);
    border-radius: var(--twins-radius);
    cursor: pointer;
    
    transition: border-color var(--twins-transition-fast),
                box-shadow var(--twins-transition-fast);
}

.enhanced-date-field:hover {
    border-color: var(--twins-gray-400);
}

.enhanced-date-field.selected {
    border-color: var(--twins-primary);
    box-shadow: 0 0 0 3px rgba(255, 56, 92, 0.1);
}

.enhanced-date-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--twins-black);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--twins-space-1);
}

.enhanced-date-value {
    font-size: 0.875rem;
    color: var(--twins-gray-600);
    line-height: 1.2;
}

.enhanced-date-value.has-date {
    color: var(--twins-black);
    font-weight: 600;
}

/* ============================================================
   Enhanced Tab Panels
   ============================================================ */

.enhanced-tab-panels {
    position: relative;
    min-height: 400px;
}

.enhanced-tab-panel {
    display: none;
    animation: fadeInUp var(--twins-transition) ease;
}

.enhanced-tab-panel.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   Enhanced Months Grid
   ============================================================ */

.enhanced-months-header {
    text-align: center;
    margin-bottom: var(--twins-space-6);
}

.enhanced-months-subtitle {
    color: var(--twins-gray-600);
    font-size: 0.875rem;
    margin: 0;
}

.enhanced-months-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--twins-space-3);
    margin-bottom: var(--twins-space-6);
}

.enhanced-month-card {
    padding: var(--twins-space-5);
    text-align: center;
    
    background: var(--twins-white);
    border: 1px solid var(--twins-gray-300);
    border-radius: var(--twins-radius-md);
    cursor: pointer;
    
    transition: all var(--twins-transition);
    position: relative;
    overflow: hidden;
}

.enhanced-month-card:hover {
    border-color: var(--twins-primary);
    box-shadow: var(--twins-shadow-md);
    transform: translateY(-2px);
}

.enhanced-month-card.selected {
    background: var(--twins-primary);
    border-color: var(--twins-primary);
    color: var(--twins-white);
}

.enhanced-month-card.winter { border-left: 4px solid var(--twins-winter); }
.enhanced-month-card.spring { border-left: 4px solid var(--twins-spring); }
.enhanced-month-card.summer { border-left: 4px solid var(--twins-summer); }
.enhanced-month-card.fall { border-left: 4px solid var(--twins-fall); }

.enhanced-month-icon {
    font-size: 2rem;
    margin-bottom: var(--twins-space-2);
    display: block;
}

.enhanced-month-name {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: var(--twins-space-1);
}

.enhanced-month-year {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-bottom: var(--twins-space-2);
}

.enhanced-month-hint {
    font-size: 0.75rem;
    opacity: 0.6;
}

/* ============================================================
   Enhanced Flexible Options
   ============================================================ */

.enhanced-flexible-header {
    text-align: center;
    margin-bottom: var(--twins-space-6);
}

.enhanced-flexible-subtitle {
    color: var(--twins-gray-600);
    font-size: 0.875rem;
    margin: 0;
}

.enhanced-duration-section {
    margin-bottom: var(--twins-space-8);
}

.enhanced-duration-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--twins-space-3);
}

.enhanced-duration-card {
    padding: var(--twins-space-5) var(--twins-space-4);
    text-align: center;
    
    background: var(--twins-white);
    border: 1px solid var(--twins-gray-300);
    border-radius: var(--twins-radius-md);
    cursor: pointer;
    
    transition: all var(--twins-transition);
}

.enhanced-duration-card:hover {
    border-color: var(--twins-primary);
    box-shadow: var(--twins-shadow-md);
}

.enhanced-duration-card.selected {
    background: var(--twins-primary);
    border-color: var(--twins-primary);
    color: var(--twins-white);
}

.enhanced-duration-icon {
    font-size: 1.75rem;
    margin-bottom: var(--twins-space-2);
    display: block;
}

.enhanced-duration-label {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: var(--twins-space-1);
}

.enhanced-duration-desc {
    font-size: 0.75rem;
    opacity: 0.7;
}

.enhanced-flexible-months {
    border-top: 1px solid var(--twins-gray-300);
    padding-top: var(--twins-space-6);
}

.enhanced-flexible-months-label {
    font-weight: 600;
    margin-bottom: var(--twins-space-4);
    text-align: center;
}

.enhanced-flexible-months-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--twins-space-2);
}

.enhanced-flexible-month {
    padding: var(--twins-space-3) var(--twins-space-2);
    text-align: center;
    
    background: var(--twins-white);
    border: 1px solid var(--twins-gray-300);
    border-radius: var(--twins-radius);
    cursor: pointer;
    
    transition: all var(--twins-transition-fast);
}

.enhanced-flexible-month:hover {
    border-color: var(--twins-primary);
}

.enhanced-flexible-month.selected {
    background: var(--twins-primary);
    border-color: var(--twins-primary);
    color: var(--twins-white);
}

.enhanced-flexible-month-name {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--twins-space-1);
}

.enhanced-flexible-month-year {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* ============================================================
   Enhanced Guest Controls
   ============================================================ */

.enhanced-guests-list {
    display: flex;
    flex-direction: column;
    gap: var(--twins-space-6);
}

.enhanced-guest-row {
    display: flex;
    justify-content: between;
    align-items: center;
    padding: var(--twins-space-4) 0;
    border-bottom: 1px solid var(--twins-gray-200);
}

.enhanced-guest-row:last-child {
    border-bottom: none;
}

.enhanced-guest-info {
    flex: 1;
}

.enhanced-guest-type {
    font-size: 1rem;
    font-weight: 600;
    color: var(--twins-black);
    margin-bottom: var(--twins-space-1);
}

.enhanced-guest-desc {
    font-size: 0.875rem;
    color: var(--twins-gray-600);
}

.enhanced-guest-counter {
    display: flex;
    align-items: center;
    gap: var(--twins-space-4);
}

.enhanced-counter-btn {
    width: 36px;
    height: 36px;
    
    display: flex;
    align-items: center;
    justify-content: center;
    
    background: var(--twins-white);
    border: 1px solid var(--twins-gray-400);
    border-radius: var(--twins-radius-full);
    color: var(--twins-gray-600);
    cursor: pointer;
    
    transition: all var(--twins-transition-fast);
}

.enhanced-counter-btn:hover:not(:disabled) {
    border-color: var(--twins-black);
    color: var(--twins-black);
    transform: scale(1.05);
}

.enhanced-counter-btn:disabled {
    border-color: var(--twins-gray-300);
    color: var(--twins-gray-400);
    cursor: not-allowed;
    transform: none;
}

.enhanced-counter-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--twins-black);
    min-width: 24px;
    text-align: center;
}

/* ============================================================
   Enhanced Modal Footer
   ============================================================ */

.enhanced-book-now-footer {
    display: flex;
    justify-content: between;
    align-items: center;
    padding: var(--twins-space-6) var(--twins-space-8);
    border-top: 1px solid var(--twins-gray-200);
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.95) 0%,
        rgba(249, 250, 251, 0.9) 100%
    );
    backdrop-filter: blur(8px);
}

.enhanced-clear-btn {
    padding: var(--twins-space-3) var(--twins-space-6);
    
    font-family: var(--twins-font-family);
    font-size: 1rem;
    font-weight: 600;
    color: var(--twins-black);
    text-decoration: underline;
    
    background: transparent;
    border: none;
    border-radius: var(--twins-radius);
    cursor: pointer;
    
    transition: background-color var(--twins-transition-fast);
}

.enhanced-clear-btn:hover {
    background-color: var(--twins-gray-100);
}

.enhanced-search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--twins-space-2);
    
    padding: var(--twins-space-4) var(--twins-space-8);
    min-width: 160px;
    
    font-family: var(--twins-font-family);
    font-size: 1rem;
    font-weight: 700;
    color: var(--twins-white);
    letter-spacing: -0.025em;
    
    background: linear-gradient(135deg, var(--twins-primary) 0%, var(--twins-primary-dark) 100%);
    border: none;
    border-radius: var(--twins-radius-md);
    box-shadow: var(--twins-shadow-lg);
    cursor: pointer;
    
    transition: all var(--twins-transition);
}

.enhanced-search-btn:hover {
    background: linear-gradient(135deg, var(--twins-primary-dark) 0%, #D81B60 100%);
    transform: translateY(-2px);
    box-shadow: var(--twins-shadow-xl);
}

.enhanced-search-btn:disabled {
    background: var(--twins-gray-400);
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--twins-shadow);
}

/* ============================================================
   Error States
   ============================================================ */

.enhanced-book-now-error {
    padding: var(--twins-space-4);
    margin-bottom: var(--twins-space-4);
    
    background: #FEF2F2;
    border: 1px solid #FECACA;
    border-radius: var(--twins-radius);
    color: #991B1B;
    font-size: 0.875rem;
}

.enhanced-book-now-error-icon {
    display: inline-block;
    margin-right: var(--twins-space-2);
}

/* ============================================================
   Loading States
   ============================================================ */

.enhanced-book-now-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--twins-space-8);
}

.enhanced-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--twins-gray-300);
    border-top: 3px solid var(--twins-primary);
    border-radius: var(--twins-radius-full);
    animation: spin 1s linear infinite;
}

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

/* ============================================================
   Calendar Styles (Original Classes)
   ============================================================ */

.airbnb-calendar-container {
    display: flex;
    gap: var(--twins-space-8);
    justify-content: center;
    flex-wrap: wrap;
    padding: var(--twins-space-4);
}

.airbnb-calendar-month {
    background: var(--twins-white);
    border-radius: var(--twins-radius-lg);
    padding: var(--twins-space-6);
    box-shadow: var(--twins-shadow-md);
    min-width: 280px;
}

.airbnb-month-header {
    margin-bottom: var(--twins-space-4);
    padding-bottom: var(--twins-space-3);
    border-bottom: 1px solid var(--twins-gray-200);
}

.airbnb-month-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--twins-black);
    text-align: center;
    margin: 0;
}

.airbnb-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--twins-space-1);
}

.airbnb-day-header {
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--twins-gray-600);
    padding: var(--twins-space-2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.airbnb-calendar-day {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--twins-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--twins-transition-fast);
    border: 1px solid transparent;
    margin: auto;
    color: var(--twins-black);
}

.airbnb-calendar-day[data-clickable="true"]:hover {
    background: var(--twins-gray-100);
    border-color: var(--twins-gray-300);
    transform: scale(1.05);
}

.airbnb-calendar-day.airbnb-past {
    color: var(--twins-gray-400);
    cursor: not-allowed;
}

.airbnb-calendar-day.airbnb-unavailable {
    color: var(--twins-error);
    background-color: rgba(239, 68, 68, 0.1);
    cursor: not-allowed;
    text-decoration: line-through;
    position: relative;
}

.airbnb-calendar-day.airbnb-unavailable::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 1px;
    background-color: var(--twins-error);
    z-index: 1;
}

.airbnb-calendar-day.airbnb-disabled {
    color: var(--twins-gray-400);
    cursor: not-allowed;
    opacity: 0.5;
}

.airbnb-calendar-day.airbnb-other-month {
    color: var(--twins-gray-300);
    cursor: default;
}

.airbnb-calendar-day.airbnb-today {
    background: var(--twins-gray-100);
    font-weight: 600;
}

.airbnb-calendar-day.airbnb-selected {
    background: var(--twins-primary);
    color: var(--twins-white);
    font-weight: 600;
}

.airbnb-calendar-day.airbnb-in-range {
    background: rgba(255, 56, 92, 0.2);
    color: var(--twins-primary);
}

.airbnb-calendar-day.airbnb-available {
    cursor: pointer;
}

/* Calendar Animations and Transitions */
.airbnb-calendar-container {
    transition: opacity var(--twins-transition);
}

.airbnb-calendar-day {
    transition: all var(--twins-transition-fast);
}

.airbnb-calendar-day.airbnb-selected {
    animation: dateSelect 0.3s ease;
}

@keyframes dateSelect {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Date display field animations */
.airbnb-date-input {
    transition: all var(--twins-transition);
    border: 1px solid var(--twins-gray-300);
    border-radius: var(--twins-radius);
    padding: var(--twins-space-3) var(--twins-space-4);
    cursor: pointer;
    background: var(--twins-white);
}

.airbnb-date-input:hover {
    border-color: var(--twins-gray-400);
    background: var(--twins-gray-50);
}

.airbnb-date-input.selecting {
    background: var(--twins-gray-50);
    border-color: var(--twins-primary);
    animation: fieldPulse 0.5s ease;
    box-shadow: 0 0 0 2px rgba(255, 56, 92, 0.2);
}

.airbnb-date-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--twins-gray-600);
    margin-bottom: var(--twins-space-1);
}

.airbnb-date-value {
    font-size: 14px;
    font-weight: 500;
    color: var(--twins-black);
}

.airbnb-date-display {
    display: flex;
    gap: var(--twins-space-4);
    margin-bottom: var(--twins-space-4);
}

@keyframes fieldPulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 56, 92, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(255, 56, 92, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 56, 92, 0); }
}

/* Hover states for better interaction */
.airbnb-calendar-day[data-clickable="true"]:hover {
    background: var(--twins-gray-100);
    border-color: var(--twins-gray-300);
    transform: scale(1.05);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Active state when clicking */
.airbnb-calendar-day[data-clickable="true"]:active {
    transform: scale(0.95);
}

/* Range selection animation */
.airbnb-calendar-day.airbnb-in-range {
    animation: rangeHighlight 0.3s ease;
    position: relative;
}

.airbnb-calendar-day.airbnb-in-range::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 100%;
    background: rgba(255, 56, 92, 0.1);
    transform: translateY(-50%);
    z-index: -1;
}

@keyframes rangeHighlight {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-2px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focused state for date inputs */
.airbnb-date-input.focused {
    border-color: var(--twins-primary);
    background: var(--twins-gray-50);
}

/* ============================================================
   Location Dropdown Styles
   ============================================================ */

.location-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--twins-white);
    border: 1px solid var(--twins-gray-300);
    border-radius: var(--twins-radius);
    box-shadow: var(--twins-shadow-lg);
    z-index: var(--twins-z-dropdown);
    max-height: 300px;
    overflow-y: auto;
    margin-top: var(--twins-space-1);
}

.location-dropdown-content {
    padding: var(--twins-space-2);
}

.location-section {
    margin-bottom: var(--twins-space-4);
}

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

.location-section-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--twins-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--twins-space-2) var(--twins-space-3);
    margin-bottom: var(--twins-space-1);
    border-bottom: 1px solid var(--twins-gray-200);
}

.location-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--twins-space-3) var(--twins-space-3);
    cursor: pointer;
    border-radius: var(--twins-radius-sm);
    transition: all var(--twins-transition-fast);
}

.location-item:hover {
    background: var(--twins-gray-50);
}

.location-item-name {
    font-weight: 500;
    color: var(--twins-black);
}

.location-item-region {
    font-size: 14px;
    color: var(--twins-gray-600);
}

.location-item-count {
    font-size: 12px;
    color: var(--twins-gray-500);
    background: var(--twins-gray-100);
    padding: var(--twins-space-1) var(--twins-space-2);
    border-radius: var(--twins-radius-full);
    font-weight: 500;
}

.location-item.popular .location-item-name {
    color: var(--twins-primary);
}

.location-item.popular .location-item-count {
    background: var(--twins-primary);
    color: var(--twins-white);
}

/* ============================================================
   Booking Price Display Styles
   ============================================================ */

.booking-price {
    background: var(--twins-gray-50);
    border: 1px solid var(--twins-gray-200);
    border-radius: var(--twins-radius);
    padding: var(--twins-space-4);
    margin-top: var(--twins-space-2);
}

.booking-price .total-price {
    display: flex;
    align-items: center;
    gap: var(--twins-space-2);
    margin-bottom: var(--twins-space-2);
}

.booking-price .total-price .price-amount {
    font-size: 24px;
    font-weight: 700;
    color: var(--twins-primary);
}

.booking-price .total-price .price-type {
    font-size: 14px;
    color: var(--twins-gray-600);
    text-transform: uppercase;
    font-weight: 500;
}

.booking-price .per-night-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 14px;
    color: var(--twins-gray-600);
}

.booking-price .avg-price {
    font-weight: 500;
}

.booking-price .nights-count {
    background: var(--twins-primary);
    color: var(--twins-white);
    padding: var(--twins-space-1) var(--twins-space-2);
    border-radius: var(--twins-radius-full);
    font-size: 12px;
    font-weight: 500;
}

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

@media (max-width: 768px) {
    .airbnb-modal-container {
        margin: var(--twins-space-4);
        max-height: calc(100vh - 2rem);
    }
    
    .airbnb-modal-body {
        padding: var(--twins-space-6);
    }
    
    .airbnb-calendar-container {
        flex-direction: column;
        gap: var(--twins-space-6);
    }
    
    .airbnb-calendar-month {
        min-width: 240px;
    }
    
    .airbnb-section-heading {
        font-size: 20px;
    }
    
    .location-dropdown {
        max-height: 200px;
    }
}

@media (max-width: 480px) {
    .airbnb-modal-container {
        margin: var(--twins-space-2);
    }
    
    .airbnb-modal-body {
        padding: var(--twins-space-4);
    }
    
    .airbnb-calendar-month {
        min-width: 200px;
        padding: var(--twins-space-4);
    }
    
    .airbnb-calendar-day {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .airbnb-day-header {
        font-size: 10px;
        padding: var(--twins-space-1);
    }
}

/* ============================================================
   Dark Mode Support
   ============================================================ */

@media (prefers-color-scheme: dark) {
    :root {
        --twins-black: var(--twins-gray-50);
        --twins-white: var(--twins-gray-900);
        --twins-gray-50: var(--twins-gray-900);
        --twins-gray-100: var(--twins-gray-800);
        --twins-gray-200: var(--twins-gray-700);
        --twins-gray-300: var(--twins-gray-600);
        --twins-gray-400: var(--twins-gray-500);
        --twins-gray-500: var(--twins-gray-400);
        --twins-gray-600: var(--twins-gray-300);
        --twins-gray-700: var(--twins-gray-200);
        --twins-gray-800: var(--twins-gray-100);
        --twins-gray-900: var(--twins-gray-50);
    }
}

[data-theme="dark"] {
    --twins-black: var(--twins-gray-50);
    --twins-white: var(--twins-gray-900);
    --twins-gray-50: var(--twins-gray-900);
    --twins-gray-100: var(--twins-gray-800);
    --twins-gray-200: var(--twins-gray-700);
    --twins-gray-300: var(--twins-gray-600);
    --twins-gray-400: var(--twins-gray-500);
    --twins-gray-500: var(--twins-gray-400);
    --twins-gray-600: var(--twins-gray-300);
    --twins-gray-700: var(--twins-gray-200);
    --twins-gray-800: var(--twins-gray-100);
    --twins-gray-900: var(--twins-gray-50);
}

/* ============================================================
   Dark Mode Calendar Styles
   ============================================================ */

@media (prefers-color-scheme: dark),
[data-theme="dark"] {
    .enhanced-book-now-modal {
        background: var(--twins-gray-800);
        color: var(--twins-gray-50);
        border: 1px solid var(--twins-gray-700);
    }
    
    .enhanced-book-now-modal-container {
        background: var(--twins-gray-800);
    }
    
    .enhanced-book-now-header {
        border-bottom-color: var(--twins-gray-700);
    }
    
    .enhanced-book-now-title {
        color: var(--twins-gray-50);
    }
    
    .enhanced-book-now-close {
        color: var(--twins-gray-300);
        background: var(--twins-gray-700);
    }
    
    .enhanced-book-now-close:hover {
        color: var(--twins-gray-50);
        background: var(--twins-gray-600);
    }
    
    .enhanced-date-tabs {
        background: var(--twins-gray-700);
    }
    
    .enhanced-date-tab {
        color: var(--twins-gray-300);
    }
    
    .enhanced-date-tab:hover {
        color: var(--twins-gray-50);
        background: rgba(255, 255, 255, 0.1);
    }
    
    .enhanced-date-tab.active {
        color: var(--twins-gray-900);
        background: var(--twins-gray-50);
    }
    
    .enhanced-date-field {
        background: var(--twins-gray-700);
        border-color: var(--twins-gray-600);
        color: var(--twins-gray-50);
    }
    
    .enhanced-date-field:focus {
        border-color: var(--twins-primary);
        background: var(--twins-gray-600);
    }
    
    .enhanced-date-label {
        color: var(--twins-gray-300);
    }
    
    .enhanced-date-value {
        color: var(--twins-gray-50);
    }
    
    /* Calendar Dark Mode */
    .airbnb-calendar-month {
        background: var(--twins-gray-800);
        border: 1px solid var(--twins-gray-700);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    }
    
    .airbnb-month-header {
        border-bottom-color: var(--twins-gray-700);
    }
    
    .airbnb-month-title {
        color: var(--twins-gray-50);
    }
    
    .airbnb-day-header {
        color: var(--twins-gray-400);
    }
    
    .airbnb-calendar-day {
        color: var(--twins-gray-200);
        border-color: transparent;
    }
    
    .airbnb-calendar-day[data-clickable="true"]:hover {
        background: var(--twins-gray-700);
        border-color: var(--twins-gray-600);
        color: var(--twins-gray-50);
    }
    
    .airbnb-calendar-day.airbnb-past {
        color: var(--twins-gray-600);
    }
    
    .airbnb-calendar-day.airbnb-unavailable {
        color: #FF6B6B;
        background-color: rgba(255, 107, 107, 0.15);
    }
    
    .airbnb-calendar-day.airbnb-unavailable::before {
        background-color: #FF6B6B;
    }
    
    .airbnb-calendar-day.airbnb-disabled {
        color: var(--twins-gray-600);
        opacity: 0.4;
    }
    
    .airbnb-calendar-day.airbnb-other-month {
        color: var(--twins-gray-700);
    }
    
    .airbnb-calendar-day.airbnb-today {
        background: var(--twins-gray-700);
        color: var(--twins-gray-50);
        border-color: var(--twins-gray-600);
    }
    
    .airbnb-calendar-day.airbnb-selected {
        background: var(--twins-primary);
        color: var(--twins-white);
    }
    
    .airbnb-calendar-day.airbnb-in-range {
        background: rgba(255, 56, 92, 0.3);
        color: var(--twins-primary);
    }
    
    /* Guest Selection Dark Mode */
    .enhanced-guest-counter {
        background: var(--twins-gray-700);
        border-color: var(--twins-gray-600);
    }
    
    .enhanced-guest-label {
        color: var(--twins-gray-50);
    }
    
    .enhanced-guest-description {
        color: var(--twins-gray-400);
    }
    
    .enhanced-guest-controls button {
        background: var(--twins-gray-600);
        color: var(--twins-gray-200);
        border-color: var(--twins-gray-500);
    }
    
    .enhanced-guest-controls button:hover:not(:disabled) {
        background: var(--twins-gray-500);
        color: var(--twins-gray-50);
    }
    
    .enhanced-guest-controls button:disabled {
        background: var(--twins-gray-800);
        color: var(--twins-gray-700);
        border-color: var(--twins-gray-700);
    }
    
    .enhanced-guest-count {
        color: var(--twins-gray-50);
    }
    
    /* Footer Dark Mode */
    .enhanced-book-now-footer {
        border-top-color: var(--twins-gray-700);
    }
    
    .enhanced-clear-btn {
        color: var(--twins-gray-300);
        border-color: var(--twins-gray-600);
    }
    
    .enhanced-clear-btn:hover {
        color: var(--twins-gray-50);
        background: var(--twins-gray-700);
        border-color: var(--twins-gray-500);
    }
    
    /* Location Dropdown Dark Mode */
    .location-dropdown {
        background: var(--twins-gray-800);
        border-color: var(--twins-gray-600);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    }
    
    .location-item {
        color: var(--twins-gray-200);
    }
    
    .location-item:hover {
        background: var(--twins-gray-700);
        color: var(--twins-gray-50);
    }
    
    .location-level-0 {
        color: var(--twins-gray-50);
    }
    
    .location-level-1 {
        color: var(--twins-gray-300);
    }
    
    .location-level-2 {
        color: var(--twins-gray-400);
    }
    
    /* Date Error Message Dark Mode */
    .date-error-message {
        background: var(--twins-gray-800);
        border-color: #dc3545;
        color: var(--twins-gray-50);
    }
}

/* ============================================================
   Date Error Message Styles
   ============================================================ */

.date-error-message {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: var(--twins-radius);
    padding: var(--twins-space-3) var(--twins-space-4);
    margin-bottom: var(--twins-space-4);
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    display: none;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@media (max-width: 1024px) {
    .enhanced-book-now-modal-container {
        max-width: 768px;
    }
    
    .enhanced-months-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .enhanced-duration-grid {
        grid-template-columns: 1fr;
        gap: var(--twins-space-2);
    }
}

@media (max-width: 768px) {
    .enhanced-book-now-modal {
        padding: var(--twins-space-2);
    }
    
    .enhanced-book-now-modal-container {
        max-width: none;
        width: 100%;
        max-height: 95vh;
    }
    
    .enhanced-book-now-header,
    .enhanced-book-now-body,
    .enhanced-book-now-footer {
        padding-left: var(--twins-space-4);
        padding-right: var(--twins-space-4);
    }
    
    .enhanced-date-display {
        grid-template-columns: 1fr;
        gap: var(--twins-space-2);
    }
    
    .enhanced-flexible-months-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .enhanced-book-now-footer {
        flex-direction: column;
        gap: var(--twins-space-4);
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .enhanced-book-now-btn {
        min-width: 120px;
        height: 44px;
        font-size: 0.875rem;
        padding: var(--twins-space-2) var(--twins-space-4);
    }
    
    .enhanced-book-now-header {
        padding: var(--twins-space-4) var(--twins-space-4) var(--twins-space-3);
    }
    
    .enhanced-book-now-title {
        font-size: 1.25rem;
    }
    
    .enhanced-book-now-section {
        margin-bottom: var(--twins-space-8);
    }
    
    .enhanced-book-now-section-title {
        font-size: 1.25rem;
        margin-bottom: var(--twins-space-6);
    }
}

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

@media print {
    .enhanced-book-now-modal,
    .enhanced-book-now-container {
        display: none !important;
    }
}

/* ============================================================
   High Contrast Mode
   ============================================================ */

@media (prefers-contrast: high) {
    .enhanced-book-now-btn,
    .enhanced-search-btn {
        border: 2px solid currentColor;
    }
    
    .enhanced-month-card,
    .enhanced-duration-card,
    .enhanced-flexible-month {
        border-width: 2px;
    }
}

/* ============================================================
   Reduced Motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .enhanced-spinner {
        animation: none;
    }
}