/**
 * Parto Travel Booking - FlyToday-Inspired Modern Design
 * Version: 2.0.0
 * Persian RTL Support with Modern UI
 * Font: Vazirmatn (loaded from CDN)
 */

/* ============================================
   CSS Variables - FlyToday Color Scheme
   ============================================ */
:root {
    /* Primary Colors - Blue Theme */
    --ptb-primary: #1a73e8;
    --ptb-primary-dark: #1557b0;
    --ptb-primary-light: #4285f4;
    --ptb-primary-pale: #e8f0fe;
    
    /* Accent Colors - Orange/Coral */
    --ptb-accent: #ff6d00;
    --ptb-accent-dark: #e65100;
    --ptb-accent-light: #ff9e40;
    
    /* Success/Warning/Error */
    --ptb-success: #00c853;
    --ptb-success-light: #e8f5e9;
    --ptb-warning: #ffab00;
    --ptb-warning-light: #fff8e1;
    --ptb-error: #ff1744;
    --ptb-error-light: #ffebee;
    
    /* Neutrals */
    --ptb-text: #1f2937;
    --ptb-text-secondary: #6b7280;
    --ptb-text-muted: #9ca3af;
    --ptb-border: #e5e7eb;
    --ptb-border-light: #f3f4f6;
    --ptb-bg: #ffffff;
    --ptb-bg-gray: #f9fafb;
    --ptb-bg-dark: #111827;
    
    /* Shadows */
    --ptb-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --ptb-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --ptb-shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --ptb-shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --ptb-shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    
    /* Radius */
    --ptb-radius-sm: 6px;
    --ptb-radius: 10px;
    --ptb-radius-lg: 16px;
    --ptb-radius-xl: 24px;
    
    /* Transitions */
    --ptb-transition: all 0.2s ease;
    --ptb-transition-slow: all 0.3s ease;
    
    /* Font - Vazirmatn (loaded from CDN in main plugin) */
    --ptb-font: 'Vazirmatn', 'IRANSans', 'Tahoma', system-ui, -apple-system, sans-serif;
}

/* ============================================
   Reset & Base
   ============================================ */
.ptb-travel-search,
.ptb-travel-search * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.ptb-travel-search {
    font-family: var(--ptb-font);
    direction: rtl;
    text-align: right;
    color: var(--ptb-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   Main Container - Hero Style
   ============================================ */
.ptb-travel-search {
    position: relative;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 50%, #1565c0 100%);
    border-radius: var(--ptb-radius-xl);
    overflow: hidden;
    padding: 0;
}

.ptb-travel-search::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

/* ============================================
   Search Header
   ============================================ */
.ptb-search-header {
    position: relative;
    z-index: 1;
    padding: 32px 32px 24px;
    text-align: center;
}

.ptb-search-header h2 {
    color: #fff;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.ptb-search-header p {
    color: rgba(255,255,255,0.85);
    font-size: 15px;
}

/* ============================================
   Service Tabs - FlyToday Style
   ============================================ */
.ptb-service-tabs {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 0 32px 24px;
}

.ptb-service-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(255,255,255,0.15);
    border: 2px solid transparent;
    border-radius: 50px;
    color: rgba(255,255,255,0.9);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ptb-transition);
    backdrop-filter: blur(4px);
}

.ptb-service-tab:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}

.ptb-service-tab.active {
    background: #fff;
    color: var(--ptb-primary);
    border-color: #fff;
    box-shadow: var(--ptb-shadow-md);
}

.ptb-service-tab svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Search Panel - Card Style
   ============================================ */
.ptb-search-panel {
    display: none;
    position: relative;
    z-index: 1;
    background: #fff;
    margin: 0 16px 16px;
    border-radius: var(--ptb-radius-lg);
    padding: 24px;
    box-shadow: var(--ptb-shadow-lg);
}

.ptb-search-panel.active {
    display: block;
    animation: slideUp 0.3s ease;
}

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

/* ============================================
   Trip Type Selector
   ============================================ */
.ptb-trip-types {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--ptb-border-light);
}

.ptb-trip-type {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--ptb-text-secondary);
    transition: var(--ptb-transition);
}

.ptb-trip-type input {
    display: none;
}

.ptb-trip-type .ptb-radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--ptb-border);
    border-radius: 50%;
    position: relative;
    transition: var(--ptb-transition);
}

.ptb-trip-type .ptb-radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 10px;
    height: 10px;
    background: var(--ptb-primary);
    border-radius: 50%;
    transition: var(--ptb-transition);
}

.ptb-trip-type input:checked + .ptb-radio-custom {
    border-color: var(--ptb-primary);
}

.ptb-trip-type input:checked + .ptb-radio-custom::after {
    transform: translate(-50%, -50%) scale(1);
}

.ptb-trip-type input:checked ~ span {
    color: var(--ptb-primary);
    font-weight: 600;
}

/* ============================================
   Form Grid - FlyToday Layout
   ============================================ */
.ptb-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr auto;
    gap: 12px;
    align-items: end;
}

.ptb-form-grid.hotel-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr auto;
}

/* Form Group */
.ptb-form-group {
    position: relative;
}

.ptb-form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--ptb-text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Input Container */
.ptb-input-container {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--ptb-bg-gray);
    border: 2px solid transparent;
    border-radius: var(--ptb-radius);
    padding: 0 16px;
    height: 56px;
    transition: var(--ptb-transition);
}

.ptb-input-container:hover {
    border-color: var(--ptb-border);
}

.ptb-input-container:focus-within {
    background: #fff;
    border-color: var(--ptb-primary);
    box-shadow: 0 0 0 3px var(--ptb-primary-pale);
}

.ptb-input-container .ptb-input-icon {
    width: 24px;
    height: 24px;
    color: var(--ptb-primary);
    margin-left: 12px;
    flex-shrink: 0;
}

.ptb-input-container input,
.ptb-input-container select {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 15px;
    font-family: inherit;
    color: var(--ptb-text);
    outline: none;
    width: 100%;
    text-align: right;
    direction: rtl;
}

.ptb-input-container input::placeholder {
    color: var(--ptb-text-muted);
}

/* Swap Button */
.ptb-swap-btn {
    position: absolute;
    left: -24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 40px;
    height: 40px;
    background: #fff;
    border: 2px solid var(--ptb-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--ptb-transition);
    box-shadow: var(--ptb-shadow);
}

.ptb-swap-btn:hover {
    background: var(--ptb-primary);
    border-color: var(--ptb-primary);
    color: #fff;
    transform: translateY(-50%) rotate(180deg);
}

.ptb-swap-btn svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Passengers Dropdown
   ============================================ */
.ptb-passengers-dropdown {
    position: relative;
}

.ptb-passengers-trigger {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.ptb-passengers-count {
    display: flex;
    flex-direction: column;
}

.ptb-passengers-count .ptb-count-number {
    font-size: 18px;
    font-weight: 700;
}

.ptb-passengers-count .ptb-count-label {
    font-size: 12px;
    color: var(--ptb-text-secondary);
}

.ptb-passengers-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 320px;
    background: #fff;
    border-radius: var(--ptb-radius-lg);
    box-shadow: var(--ptb-shadow-xl);
    padding: 20px;
    z-index: 100;
    display: none;
    animation: dropdownFade 0.2s ease;
}

.ptb-passengers-panel.active {
    display: block;
}

@keyframes dropdownFade {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.ptb-passenger-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid var(--ptb-border-light);
}

.ptb-passenger-row:last-child {
    border-bottom: none;
}

.ptb-passenger-info h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
}

.ptb-passenger-info span {
    font-size: 12px;
    color: var(--ptb-text-muted);
}

.ptb-counter {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ptb-counter-btn {
    width: 36px;
    height: 36px;
    border: 2px solid var(--ptb-border);
    border-radius: 50%;
    background: #fff;
    font-size: 18px;
    font-weight: 600;
    color: var(--ptb-primary);
    cursor: pointer;
    transition: var(--ptb-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ptb-counter-btn:hover:not(:disabled) {
    background: var(--ptb-primary);
    border-color: var(--ptb-primary);
    color: #fff;
}

.ptb-counter-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.ptb-counter-value {
    font-size: 18px;
    font-weight: 700;
    min-width: 24px;
    text-align: center;
}

/* ============================================
   Search Button - CTA
   ============================================ */
.ptb-search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 56px;
    padding: 0 32px;
    background: linear-gradient(135deg, var(--ptb-accent) 0%, var(--ptb-accent-dark) 100%);
    border: none;
    border-radius: var(--ptb-radius);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: var(--ptb-transition);
    box-shadow: 0 4px 14px rgba(255, 109, 0, 0.4);
}

.ptb-search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 109, 0, 0.5);
}

.ptb-search-btn:active {
    transform: translateY(0);
}

.ptb-search-btn svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Autocomplete Dropdown
   ============================================ */
.ptb-autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    left: 0;
    background: #fff;
    border-radius: var(--ptb-radius);
    box-shadow: var(--ptb-shadow-xl);
    max-height: 320px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.ptb-autocomplete-dropdown.active {
    display: block;
    animation: dropdownFade 0.2s ease;
}

.ptb-autocomplete-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    cursor: pointer;
    transition: var(--ptb-transition);
    border-bottom: 1px solid var(--ptb-border-light);
}

.ptb-autocomplete-item:last-child {
    border-bottom: none;
}

.ptb-autocomplete-item:hover,
.ptb-autocomplete-item.selected {
    background: var(--ptb-primary-pale);
}

.ptb-autocomplete-icon {
    width: 40px;
    height: 40px;
    background: var(--ptb-bg-gray);
    border-radius: var(--ptb-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ptb-primary);
}

.ptb-autocomplete-icon svg {
    width: 20px;
    height: 20px;
}

.ptb-autocomplete-info {
    flex: 1;
}

.ptb-autocomplete-info .ptb-city-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--ptb-text);
}

.ptb-autocomplete-info .ptb-airport-name {
    font-size: 12px;
    color: var(--ptb-text-secondary);
    margin-top: 2px;
}

.ptb-autocomplete-code {
    font-size: 14px;
    font-weight: 700;
    color: var(--ptb-primary);
    background: var(--ptb-primary-pale);
    padding: 4px 10px;
    border-radius: var(--ptb-radius-sm);
}

/* ============================================
   Results Container
   ============================================ */
.ptb-results-container {
    background: var(--ptb-bg-gray);
    min-height: 400px;
}

.ptb-results-header {
    background: #fff;
    padding: 20px 24px;
    border-bottom: 1px solid var(--ptb-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.ptb-results-route {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ptb-results-route .ptb-route-cities {
    font-size: 18px;
    font-weight: 700;
}

.ptb-results-route .ptb-route-date {
    font-size: 14px;
    color: var(--ptb-text-secondary);
}

.ptb-results-count {
    font-size: 14px;
    color: var(--ptb-text-secondary);
}

.ptb-results-count strong {
    color: var(--ptb-primary);
    font-weight: 700;
}

.ptb-modify-search-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: transparent;
    border: 2px solid var(--ptb-border);
    border-radius: var(--ptb-radius);
    font-size: 14px;
    font-weight: 600;
    color: var(--ptb-text);
    cursor: pointer;
    transition: var(--ptb-transition);
}

.ptb-modify-search-btn:hover {
    border-color: var(--ptb-primary);
    color: var(--ptb-primary);
}

.ptb-modify-search-btn svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   Filters Bar
   ============================================ */
.ptb-filters-bar {
    background: #fff;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    overflow-x: auto;
    border-bottom: 1px solid var(--ptb-border-light);
}

.ptb-filter-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--ptb-bg-gray);
    border: 1px solid transparent;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--ptb-text);
    cursor: pointer;
    transition: var(--ptb-transition);
    white-space: nowrap;
}

.ptb-filter-chip:hover {
    border-color: var(--ptb-primary);
}

.ptb-filter-chip.active {
    background: var(--ptb-primary-pale);
    border-color: var(--ptb-primary);
    color: var(--ptb-primary);
}

.ptb-filter-chip svg {
    width: 16px;
    height: 16px;
}

.ptb-sort-dropdown {
    margin-right: auto;
    position: relative;
}

.ptb-sort-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: #fff;
    border: 1px solid var(--ptb-border);
    border-radius: var(--ptb-radius);
    font-size: 13px;
    cursor: pointer;
}

/* ============================================
   Flight Result Cards
   ============================================ */
.ptb-results-list {
    padding: 16px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ptb-flight-card {
    background: #fff;
    border-radius: var(--ptb-radius-lg);
    overflow: hidden;
    box-shadow: var(--ptb-shadow);
    transition: var(--ptb-transition);
}

.ptb-flight-card:hover {
    box-shadow: var(--ptb-shadow-lg);
    transform: translateY(-2px);
}

.ptb-flight-card-main {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    padding: 20px 24px;
    align-items: center;
}

.ptb-flight-info {
    display: flex;
    align-items: center;
    gap: 24px;
}

.ptb-airline-info {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 140px;
}

.ptb-airline-logo {
    width: 48px;
    height: 48px;
    background: var(--ptb-bg-gray);
    border-radius: var(--ptb-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.ptb-airline-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.ptb-airline-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ptb-airline-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--ptb-text);
}

.ptb-flight-number {
    font-size: 12px;
    color: var(--ptb-text-muted);
}

/* Flight Route */
.ptb-flight-route {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.ptb-route-point {
    text-align: center;
}

.ptb-route-time {
    font-size: 24px;
    font-weight: 700;
    color: var(--ptb-text);
}

.ptb-route-code {
    font-size: 14px;
    color: var(--ptb-text-secondary);
    margin-top: 4px;
}

.ptb-route-line {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    max-width: 200px;
}

.ptb-route-duration {
    font-size: 12px;
    color: var(--ptb-text-muted);
}

.ptb-route-visual {
    width: 100%;
    height: 2px;
    background: var(--ptb-border);
    position: relative;
}

.ptb-route-visual::before,
.ptb-route-visual::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ptb-primary);
}

.ptb-route-visual::before { right: 0; }
.ptb-route-visual::after { left: 0; }

.ptb-route-stops {
    font-size: 11px;
    color: var(--ptb-success);
    font-weight: 600;
}

.ptb-route-stops.has-stops {
    color: var(--ptb-warning);
}

/* Price Section */
.ptb-flight-price {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    min-width: 160px;
}

.ptb-price-amount {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.ptb-price-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--ptb-primary);
}

.ptb-price-currency {
    font-size: 14px;
    color: var(--ptb-text-secondary);
}

.ptb-price-per {
    font-size: 11px;
    color: var(--ptb-text-muted);
}

.ptb-select-btn {
    padding: 12px 24px;
    background: var(--ptb-primary);
    border: none;
    border-radius: var(--ptb-radius);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--ptb-transition);
}

.ptb-select-btn:hover {
    background: var(--ptb-primary-dark);
}

/* Flight Card Footer */
.ptb-flight-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--ptb-bg-gray);
    border-top: 1px solid var(--ptb-border-light);
}

.ptb-flight-badges {
    display: flex;
    gap: 8px;
}

.ptb-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
}

.ptb-badge-refundable {
    background: var(--ptb-success-light);
    color: var(--ptb-success);
}

.ptb-badge-nonrefundable {
    background: var(--ptb-error-light);
    color: var(--ptb-error);
}

.ptb-badge-baggage {
    background: var(--ptb-primary-pale);
    color: var(--ptb-primary);
}

.ptb-badge svg {
    width: 12px;
    height: 12px;
}

.ptb-details-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: transparent;
    border: none;
    font-size: 13px;
    font-weight: 500;
    color: var(--ptb-primary);
    cursor: pointer;
    transition: var(--ptb-transition);
    font-family: inherit;
}

.ptb-details-toggle:hover {
    background: var(--ptb-primary-pale);
    border-radius: var(--ptb-radius-sm);
}

.ptb-details-toggle svg {
    width: 16px;
    height: 16px;
    transition: var(--ptb-transition);
}

.ptb-details-toggle.active svg {
    transform: rotate(180deg);
}

/* Flight Details Panel */
.ptb-flight-details {
    display: none;
    padding: 24px;
    border-top: 1px solid var(--ptb-border-light);
    background: #fff;
}

.ptb-flight-details.active {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; max-height: 0; }
    to { opacity: 1; max-height: 1000px; }
}

/* ============================================
   Hotel Result Cards
   ============================================ */
.ptb-hotel-card {
    background: #fff;
    border-radius: var(--ptb-radius-lg);
    overflow: hidden;
    box-shadow: var(--ptb-shadow);
    display: flex;
    transition: var(--ptb-transition);
}

.ptb-hotel-card:hover {
    box-shadow: var(--ptb-shadow-lg);
}

.ptb-hotel-image {
    width: 280px;
    height: 200px;
    position: relative;
    flex-shrink: 0;
}

.ptb-hotel-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ptb-hotel-image .ptb-hotel-gallery-count {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.ptb-hotel-content {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.ptb-hotel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 12px;
}

.ptb-hotel-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--ptb-text);
    margin-bottom: 4px;
}

.ptb-hotel-stars {
    display: flex;
    gap: 2px;
    color: var(--ptb-warning);
}

.ptb-hotel-stars svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.ptb-hotel-location {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--ptb-text-secondary);
    margin-bottom: 12px;
}

.ptb-hotel-location svg {
    width: 14px;
    height: 14px;
}

.ptb-hotel-amenities {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.ptb-amenity {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--ptb-text-secondary);
}

.ptb-amenity svg {
    width: 16px;
    height: 16px;
    color: var(--ptb-primary);
}

.ptb-hotel-footer {
    margin-top: auto;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.ptb-hotel-rating {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ptb-rating-score {
    background: var(--ptb-primary);
    color: #fff;
    padding: 6px 10px;
    border-radius: var(--ptb-radius-sm);
    font-size: 14px;
    font-weight: 700;
}

.ptb-rating-text {
    font-size: 13px;
}

.ptb-rating-text span {
    display: block;
    font-weight: 600;
    color: var(--ptb-text);
}

.ptb-rating-text small {
    color: var(--ptb-text-muted);
}

.ptb-hotel-price {
    text-align: left;
}

.ptb-hotel-price .ptb-nights-info {
    font-size: 12px;
    color: var(--ptb-text-muted);
    margin-bottom: 4px;
}

/* ============================================
   Booking Modal
   ============================================ */
.ptb-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.ptb-modal-overlay.active {
    display: flex;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.ptb-modal {
    background: #fff;
    border-radius: var(--ptb-radius-xl);
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.ptb-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--ptb-border-light);
}

.ptb-modal-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.ptb-modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--ptb-bg-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--ptb-transition);
}

.ptb-modal-close:hover {
    background: var(--ptb-error-light);
    color: var(--ptb-error);
}

.ptb-modal-close svg {
    width: 20px;
    height: 20px;
}

.ptb-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.ptb-modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--ptb-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Booking Steps */
.ptb-booking-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
}

.ptb-step {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ptb-step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--ptb-border);
    color: var(--ptb-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

.ptb-step.active .ptb-step-number {
    background: var(--ptb-primary);
    color: #fff;
}

.ptb-step.completed .ptb-step-number {
    background: var(--ptb-success);
    color: #fff;
}

.ptb-step-label {
    font-size: 13px;
    color: var(--ptb-text-muted);
}

.ptb-step.active .ptb-step-label,
.ptb-step.completed .ptb-step-label {
    color: var(--ptb-text);
    font-weight: 600;
}

.ptb-step-divider {
    width: 40px;
    height: 2px;
    background: var(--ptb-border);
}

.ptb-step.completed + .ptb-step-divider {
    background: var(--ptb-success);
}

/* Passenger Form */
.ptb-passenger-form {
    background: var(--ptb-bg-gray);
    border-radius: var(--ptb-radius);
    padding: 20px;
    margin-bottom: 16px;
}

.ptb-passenger-form-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.ptb-passenger-form-header h4 {
    font-size: 15px;
    font-weight: 600;
}

.ptb-form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 12px;
}

.ptb-form-row:last-child {
    margin-bottom: 0;
}

.ptb-form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ptb-form-field label {
    font-size: 12px;
    font-weight: 600;
    color: var(--ptb-text-secondary);
}

.ptb-form-field input,
.ptb-form-field select {
    height: 44px;
    padding: 0 14px;
    border: 1px solid var(--ptb-border);
    border-radius: var(--ptb-radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: #fff;
    transition: var(--ptb-transition);
}

.ptb-form-field input:focus,
.ptb-form-field select:focus {
    outline: none;
    border-color: var(--ptb-primary);
    box-shadow: 0 0 0 3px var(--ptb-primary-pale);
}

/* ============================================
   Loading State
   ============================================ */
.ptb-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    z-index: 10000;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.ptb-loading-overlay.active {
    display: flex;
}

.ptb-loader {
    text-align: center;
}

.ptb-loader-animation {
    width: 80px;
    height: 80px;
    position: relative;
    margin: 0 auto 20px;
}

.ptb-loader-plane {
    position: absolute;
    width: 40px;
    height: 40px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: planeFly 2s ease-in-out infinite;
}

.ptb-loader-plane svg {
    width: 100%;
    height: 100%;
    color: var(--ptb-primary);
}

@keyframes planeFly {
    0%, 100% { transform: translate(-50%, -50%) rotate(0deg); }
    25% { transform: translate(-30%, -70%) rotate(-15deg); }
    50% { transform: translate(-50%, -50%) rotate(0deg); }
    75% { transform: translate(-70%, -30%) rotate(15deg); }
}

.ptb-loader-dots {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.ptb-loader-dot {
    width: 12px;
    height: 12px;
    background: var(--ptb-primary);
    border-radius: 50%;
    animation: dotPulse 1.4s ease-in-out infinite;
}

.ptb-loader-dot:nth-child(2) { animation-delay: 0.2s; }
.ptb-loader-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes dotPulse {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
    40% { transform: scale(1); opacity: 1; }
}

.ptb-loader-text {
    font-size: 16px;
    color: var(--ptb-text-secondary);
}

/* ============================================
   Price Calendar
   ============================================ */
.ptb-price-calendar {
    background: #fff;
    border-radius: var(--ptb-radius-lg);
    box-shadow: var(--ptb-shadow-xl);
    padding: 20px;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 1000;
    min-width: 340px;
    display: none;
}

.ptb-price-calendar.active {
    display: block;
    animation: dropdownFade 0.2s ease;
}

.ptb-calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.ptb-calendar-nav {
    display: flex;
    gap: 8px;
}

.ptb-calendar-nav button {
    width: 32px;
    height: 32px;
    border: 1px solid var(--ptb-border);
    border-radius: var(--ptb-radius-sm);
    background: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--ptb-transition);
}

.ptb-calendar-nav button:hover {
    border-color: var(--ptb-primary);
    color: var(--ptb-primary);
}

.ptb-calendar-month {
    font-size: 16px;
    font-weight: 700;
}

.ptb-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.ptb-calendar-day-name {
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--ptb-text-muted);
    padding: 8px 0;
}

.ptb-calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--ptb-radius-sm);
    cursor: pointer;
    transition: var(--ptb-transition);
    position: relative;
}

.ptb-calendar-day:hover {
    background: var(--ptb-primary-pale);
}

.ptb-calendar-day.selected {
    background: var(--ptb-primary);
    color: #fff;
}

.ptb-calendar-day.today {
    border: 2px solid var(--ptb-primary);
}

.ptb-calendar-day.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.ptb-calendar-day .ptb-day-number {
    font-size: 14px;
    font-weight: 600;
}

.ptb-calendar-day .ptb-day-price {
    font-size: 9px;
    color: var(--ptb-success);
    font-weight: 600;
}

.ptb-calendar-day.selected .ptb-day-price {
    color: rgba(255,255,255,0.9);
}

/* ============================================
   Empty State
   ============================================ */
.ptb-empty-state {
    text-align: center;
    padding: 60px 20px;
}

.ptb-empty-icon {
    width: 80px;
    height: 80px;
    background: var(--ptb-bg-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.ptb-empty-icon svg {
    width: 40px;
    height: 40px;
    color: var(--ptb-text-muted);
}

.ptb-empty-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.ptb-empty-text {
    font-size: 14px;
    color: var(--ptb-text-secondary);
}

/* ============================================
   Price Alert Banner
   ============================================ */
.ptb-price-alert-banner {
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
    border: 1px solid #ffcc80;
    border-radius: var(--ptb-radius);
    padding: 16px 20px;
    margin: 16px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.ptb-price-alert-icon {
    width: 48px;
    height: 48px;
    background: var(--ptb-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.ptb-price-alert-icon svg {
    width: 24px;
    height: 24px;
}

.ptb-price-alert-content {
    flex: 1;
}

.ptb-price-alert-content h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.ptb-price-alert-content p {
    font-size: 13px;
    color: var(--ptb-text-secondary);
}

.ptb-price-alert-btn {
    padding: 10px 20px;
    background: var(--ptb-accent);
    border: none;
    border-radius: var(--ptb-radius);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ptb-transition);
    white-space: nowrap;
}

.ptb-price-alert-btn:hover {
    background: var(--ptb-accent-dark);
}

/* ============================================
   Segment Details (Flight)
   ============================================ */
.ptb-segment {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--ptb-bg-gray);
    border-radius: var(--ptb-radius);
    margin-bottom: 16px;
}

.ptb-segment:last-child {
    margin-bottom: 0;
}

.ptb-segment-airline {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
}

.ptb-segment-airline img {
    width: 40px;
    height: 40px;
    border-radius: var(--ptb-radius-sm);
    margin-bottom: 8px;
}

.ptb-segment-airline span {
    font-size: 11px;
    color: var(--ptb-text-muted);
    text-align: center;
}

.ptb-segment-route {
    flex: 1;
    display: flex;
    align-items: stretch;
}

.ptb-segment-point {
    text-align: center;
    min-width: 100px;
}

.ptb-segment-time {
    font-size: 20px;
    font-weight: 700;
}

.ptb-segment-date {
    font-size: 12px;
    color: var(--ptb-text-muted);
    margin-top: 4px;
}

.ptb-segment-city {
    font-size: 13px;
    color: var(--ptb-text-secondary);
    margin-top: 8px;
}

.ptb-segment-code {
    font-size: 11px;
    color: var(--ptb-text-muted);
}

.ptb-segment-timeline {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    position: relative;
}

.ptb-segment-duration {
    font-size: 12px;
    color: var(--ptb-text-muted);
    background: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 8px;
}

.ptb-segment-line {
    width: 100%;
    height: 2px;
    background: var(--ptb-border);
    position: relative;
}

.ptb-segment-line::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    border: solid var(--ptb-primary);
    border-width: 0 2px 2px 0;
    padding: 3px;
}

.ptb-segment-info {
    min-width: 120px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ptb-segment-info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--ptb-text-secondary);
}

.ptb-segment-info-item svg {
    width: 14px;
    height: 14px;
    color: var(--ptb-primary);
}

/* ============================================
   Fare Rules
   ============================================ */
.ptb-fare-rules {
    margin-top: 20px;
}

.ptb-fare-rules h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
}

.ptb-fare-rule-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--ptb-bg-gray);
    border-radius: var(--ptb-radius-sm);
    margin-bottom: 8px;
}

.ptb-fare-rule-item:last-child {
    margin-bottom: 0;
}

.ptb-fare-rule-icon {
    width: 32px;
    height: 32px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ptb-fare-rule-icon svg {
    width: 16px;
    height: 16px;
}

.ptb-fare-rule-icon.allowed {
    color: var(--ptb-success);
}

.ptb-fare-rule-icon.not-allowed {
    color: var(--ptb-error);
}

.ptb-fare-rule-info {
    flex: 1;
}

.ptb-fare-rule-info strong {
    font-size: 14px;
    display: block;
    margin-bottom: 2px;
}

.ptb-fare-rule-info span {
    font-size: 12px;
    color: var(--ptb-text-secondary);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .ptb-form-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .ptb-form-grid.hotel-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .ptb-search-btn {
        grid-column: span 2;
    }
    
    .ptb-flight-card-main {
        grid-template-columns: 1fr;
    }
    
    .ptb-flight-price {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding-top: 16px;
        border-top: 1px solid var(--ptb-border-light);
        margin-top: 16px;
    }
}

@media (max-width: 768px) {
    .ptb-search-header {
        padding: 24px 20px 16px;
    }
    
    .ptb-search-header h2 {
        font-size: 22px;
    }
    
    .ptb-service-tabs {
        padding: 0 20px 20px;
        overflow-x: auto;
        justify-content: flex-start;
    }
    
    .ptb-service-tab {
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .ptb-search-panel {
        margin: 0 12px 12px;
        padding: 20px;
    }
    
    .ptb-form-grid,
    .ptb-form-grid.hotel-grid {
        grid-template-columns: 1fr;
    }
    
    .ptb-search-btn {
        grid-column: span 1;
    }
    
    .ptb-swap-btn {
        position: relative;
        left: auto;
        top: auto;
        transform: rotate(90deg);
        margin: -8px auto;
    }
    
    .ptb-results-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .ptb-filters-bar {
        padding: 12px 16px;
    }
    
    .ptb-results-list {
        padding: 12px 16px;
    }
    
    .ptb-flight-info {
        flex-direction: column;
        gap: 16px;
    }
    
    .ptb-airline-info {
        min-width: auto;
        width: 100%;
    }
    
    .ptb-hotel-card {
        flex-direction: column;
    }
    
    .ptb-hotel-image {
        width: 100%;
        height: 180px;
    }
    
    .ptb-modal {
        max-width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }
    
    .ptb-form-row {
        grid-template-columns: 1fr;
    }
    
    .ptb-trip-types {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .ptb-price-alert-banner {
        flex-direction: column;
        text-align: center;
    }
    
    .ptb-segment {
        flex-direction: column;
    }
    
    .ptb-segment-route {
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .ptb-search-header h2 {
        font-size: 18px;
    }
    
    .ptb-passengers-panel {
        width: calc(100vw - 32px);
        right: -16px;
    }
    
    .ptb-booking-steps {
        flex-wrap: wrap;
    }
    
    .ptb-step-divider {
        display: none;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .ptb-travel-search {
        background: none;
        box-shadow: none;
    }
    
    .ptb-search-panel,
    .ptb-filters-bar,
    .ptb-search-btn,
    .ptb-select-btn {
        display: none;
    }
}

/* ============================================
   Advanced Filters Sidebar
   ============================================ */
.ptb-results-wrapper {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    padding: 24px;
}

.ptb-filters-sidebar {
    background: #fff;
    border-radius: var(--ptb-radius-lg);
    padding: 20px;
    box-shadow: var(--ptb-shadow);
    height: fit-content;
    position: sticky;
    top: 20px;
}

.ptb-filter-section {
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--ptb-border-light);
}

.ptb-filter-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.ptb-filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    cursor: pointer;
}

.ptb-filter-header h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--ptb-text);
    margin: 0;
}

.ptb-filter-header svg {
    width: 16px;
    height: 16px;
    color: var(--ptb-text-muted);
    transition: var(--ptb-transition);
}

.ptb-filter-section.collapsed .ptb-filter-header svg {
    transform: rotate(-90deg);
}

.ptb-filter-section.collapsed .ptb-filter-content {
    display: none;
}

.ptb-filter-clear {
    font-size: 12px;
    color: var(--ptb-primary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.ptb-filter-clear:hover {
    text-decoration: underline;
}

/* Checkbox Filters */
.ptb-filter-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ptb-filter-option {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    color: var(--ptb-text-secondary);
}

.ptb-filter-option input {
    display: none;
}

.ptb-filter-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--ptb-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--ptb-transition);
    flex-shrink: 0;
}

.ptb-filter-checkbox svg {
    width: 12px;
    height: 12px;
    color: #fff;
    opacity: 0;
    transition: var(--ptb-transition);
}

.ptb-filter-option input:checked + .ptb-filter-checkbox {
    background: var(--ptb-primary);
    border-color: var(--ptb-primary);
}

.ptb-filter-option input:checked + .ptb-filter-checkbox svg {
    opacity: 1;
}

.ptb-filter-option:hover .ptb-filter-checkbox {
    border-color: var(--ptb-primary);
}

.ptb-filter-label {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ptb-filter-count {
    font-size: 11px;
    color: var(--ptb-text-muted);
    background: var(--ptb-bg-gray);
    padding: 2px 8px;
    border-radius: 10px;
}

/* Price Range Filter */
.ptb-price-range {
    padding: 10px 0;
}

.ptb-price-slider {
    position: relative;
    height: 6px;
    background: var(--ptb-border);
    border-radius: 3px;
    margin: 20px 0;
}

.ptb-price-slider-track {
    position: absolute;
    height: 100%;
    background: var(--ptb-primary);
    border-radius: 3px;
}

.ptb-price-slider-thumb {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: #fff;
    border: 2px solid var(--ptb-primary);
    border-radius: 50%;
    cursor: grab;
    box-shadow: var(--ptb-shadow-sm);
    z-index: 2;
}

.ptb-price-slider-thumb:active {
    cursor: grabbing;
    box-shadow: var(--ptb-shadow);
}

.ptb-price-inputs {
    display: flex;
    gap: 12px;
    align-items: center;
}

.ptb-price-input-group {
    flex: 1;
}

.ptb-price-input-group label {
    display: block;
    font-size: 11px;
    color: var(--ptb-text-muted);
    margin-bottom: 4px;
}

.ptb-price-input-group input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--ptb-border);
    border-radius: var(--ptb-radius-sm);
    font-size: 13px;
    font-family: inherit;
    text-align: center;
    direction: ltr;
}

.ptb-price-input-group input:focus {
    outline: none;
    border-color: var(--ptb-primary);
}

.ptb-price-separator {
    font-size: 14px;
    color: var(--ptb-text-muted);
    padding-top: 16px;
}

/* Time Range Filter */
.ptb-time-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.ptb-time-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    border: 2px solid var(--ptb-border);
    border-radius: var(--ptb-radius);
    cursor: pointer;
    transition: var(--ptb-transition);
}

.ptb-time-option:hover {
    border-color: var(--ptb-primary-light);
}

.ptb-time-option.selected {
    border-color: var(--ptb-primary);
    background: var(--ptb-primary-pale);
}

.ptb-time-option svg {
    width: 24px;
    height: 24px;
    color: var(--ptb-primary);
    margin-bottom: 6px;
}

.ptb-time-option span {
    font-size: 11px;
    color: var(--ptb-text-secondary);
    text-align: center;
}

/* Star Rating Filter */
.ptb-star-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ptb-star-option {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--ptb-radius-sm);
    transition: var(--ptb-transition);
}

.ptb-star-option:hover {
    background: var(--ptb-bg-gray);
}

.ptb-star-option.selected {
    background: var(--ptb-primary-pale);
}

.ptb-star-option input {
    display: none;
}

.ptb-stars {
    display: flex;
    gap: 2px;
}

.ptb-stars svg {
    width: 16px;
    height: 16px;
    color: var(--ptb-warning);
    fill: var(--ptb-warning);
}

.ptb-stars svg.empty {
    color: var(--ptb-border);
    fill: none;
    stroke: var(--ptb-border);
    stroke-width: 1.5;
}

/* Airline Filter */
.ptb-airline-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 250px;
    overflow-y: auto;
}

.ptb-airline-option {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ptb-airline-logo {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    object-fit: contain;
    background: var(--ptb-bg-gray);
}

/* Amenity Filter */
.ptb-amenity-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ptb-amenity-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--ptb-bg-gray);
    border: 1px solid transparent;
    border-radius: 50px;
    font-size: 12px;
    cursor: pointer;
    transition: var(--ptb-transition);
}

.ptb-amenity-tag:hover {
    border-color: var(--ptb-primary);
}

.ptb-amenity-tag.selected {
    background: var(--ptb-primary-pale);
    border-color: var(--ptb-primary);
    color: var(--ptb-primary);
}

.ptb-amenity-tag svg {
    width: 14px;
    height: 14px;
}

/* Filter Actions */
.ptb-filter-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--ptb-border-light);
}

.ptb-filter-apply-btn {
    flex: 1;
    padding: 12px;
    background: var(--ptb-primary);
    border: none;
    border-radius: var(--ptb-radius);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--ptb-transition);
}

.ptb-filter-apply-btn:hover {
    background: var(--ptb-primary-dark);
}

.ptb-filter-reset-btn {
    padding: 12px 20px;
    background: transparent;
    border: 2px solid var(--ptb-border);
    border-radius: var(--ptb-radius);
    color: var(--ptb-text-secondary);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--ptb-transition);
}

.ptb-filter-reset-btn:hover {
    border-color: var(--ptb-error);
    color: var(--ptb-error);
}

/* Mobile Filter Toggle */
.ptb-mobile-filter-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 14px 24px;
    background: var(--ptb-primary);
    border: none;
    border-radius: 50px;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    box-shadow: var(--ptb-shadow-lg);
    z-index: 100;
    gap: 8px;
    align-items: center;
}

.ptb-mobile-filter-toggle svg {
    width: 18px;
    height: 18px;
}

/* Active Filters Tags */
.ptb-active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.ptb-active-filter-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--ptb-primary-pale);
    border-radius: 50px;
    font-size: 12px;
    color: var(--ptb-primary);
}

.ptb-active-filter-tag button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background: var(--ptb-primary);
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    padding: 0;
}

.ptb-active-filter-tag button svg {
    width: 10px;
    height: 10px;
}

.ptb-clear-all-filters {
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--ptb-border);
    border-radius: 50px;
    font-size: 12px;
    color: var(--ptb-text-secondary);
    cursor: pointer;
    transition: var(--ptb-transition);
}

.ptb-clear-all-filters:hover {
    border-color: var(--ptb-error);
    color: var(--ptb-error);
}

/* Sort Dropdown Expanded */
.ptb-sort-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: #fff;
    border-radius: var(--ptb-radius);
    box-shadow: var(--ptb-shadow-xl);
    min-width: 200px;
    z-index: 100;
    display: none;
}

.ptb-sort-dropdown-menu.active {
    display: block;
    animation: dropdownFade 0.2s ease;
}

.ptb-sort-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    font-size: 13px;
    color: var(--ptb-text);
    cursor: pointer;
    transition: var(--ptb-transition);
}

.ptb-sort-option:first-child {
    border-radius: var(--ptb-radius) var(--ptb-radius) 0 0;
}

.ptb-sort-option:last-child {
    border-radius: 0 0 var(--ptb-radius) var(--ptb-radius);
}

.ptb-sort-option:hover {
    background: var(--ptb-bg-gray);
}

.ptb-sort-option.selected {
    background: var(--ptb-primary-pale);
    color: var(--ptb-primary);
}

.ptb-sort-option svg {
    width: 16px;
    height: 16px;
    color: var(--ptb-text-muted);
}

.ptb-sort-option.selected svg {
    color: var(--ptb-primary);
}

/* Responsive Filters */
@media (max-width: 1024px) {
    .ptb-results-wrapper {
        grid-template-columns: 1fr;
    }
    
    .ptb-filters-sidebar {
        position: fixed;
        top: 0;
        right: -100%;
        width: 320px;
        height: 100%;
        border-radius: 0;
        z-index: 1000;
        overflow-y: auto;
        transition: right 0.3s ease;
    }
    
    .ptb-filters-sidebar.active {
        right: 0;
    }
    
    .ptb-filters-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 999;
        display: none;
    }
    
    .ptb-filters-overlay.active {
        display: block;
    }
    
    .ptb-mobile-filter-toggle {
        display: flex;
    }
    
    .ptb-filters-mobile-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 0;
        margin-bottom: 16px;
        border-bottom: 1px solid var(--ptb-border-light);
    }
    
    .ptb-filters-mobile-header h3 {
        font-size: 16px;
        font-weight: 700;
    }
    
    .ptb-filters-close-btn {
        width: 36px;
        height: 36px;
        background: var(--ptb-bg-gray);
        border: none;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }
    
    .ptb-filters-close-btn svg {
        width: 18px;
        height: 18px;
    }
}

/* ============================================
   Booking Result Page Styles
   ============================================ */
.ptb-booking-result {
    max-width: 600px;
    margin: 40px auto;
    padding: 40px;
    background: #fff;
    border-radius: var(--ptb-radius-xl);
    box-shadow: var(--ptb-shadow-lg);
    text-align: center;
}

.ptb-booking-result-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ptb-booking-result-icon.success {
    background: var(--ptb-success-light);
    color: var(--ptb-success);
}

.ptb-booking-result-icon.error {
    background: var(--ptb-error-light);
    color: var(--ptb-error);
}

.ptb-booking-result-icon svg {
    width: 40px;
    height: 40px;
}

.ptb-booking-result h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.ptb-booking-result p {
    font-size: 15px;
    color: var(--ptb-text-secondary);
    margin-bottom: 24px;
}

.ptb-booking-info-card {
    background: var(--ptb-bg-gray);
    border-radius: var(--ptb-radius);
    padding: 20px;
    margin-bottom: 24px;
    text-align: right;
}

.ptb-booking-info-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--ptb-border-light);
}

.ptb-booking-info-row:last-child {
    border-bottom: none;
}

.ptb-booking-info-row span:first-child {
    color: var(--ptb-text-secondary);
    font-size: 13px;
}

.ptb-booking-info-row span:last-child {
    font-weight: 600;
    font-size: 14px;
}

.ptb-booking-result-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.ptb-booking-result-actions .ptb-btn-primary {
    padding: 14px 28px;
    background: var(--ptb-primary);
    border: none;
    border-radius: var(--ptb-radius);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.ptb-booking-result-actions .ptb-btn-secondary {
    padding: 14px 28px;
    background: transparent;
    border: 2px solid var(--ptb-border);
    border-radius: var(--ptb-radius);
    color: var(--ptb-text);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ============================================
   Payment Gateway Selection
   ============================================ */
.ptb-payment-gateways {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.ptb-gateway-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--ptb-bg-gray);
    border: 2px solid transparent;
    border-radius: var(--ptb-radius);
    cursor: pointer;
    transition: var(--ptb-transition);
}

.ptb-gateway-option:hover {
    border-color: var(--ptb-primary-light);
}

.ptb-gateway-option.selected {
    background: var(--ptb-primary-pale);
    border-color: var(--ptb-primary);
}

.ptb-gateway-option input {
    display: none;
}

.ptb-gateway-radio {
    width: 22px;
    height: 22px;
    border: 2px solid var(--ptb-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ptb-gateway-radio::after {
    content: '';
    width: 12px;
    height: 12px;
    background: var(--ptb-primary);
    border-radius: 50%;
    opacity: 0;
    transition: var(--ptb-transition);
}

.ptb-gateway-option.selected .ptb-gateway-radio {
    border-color: var(--ptb-primary);
}

.ptb-gateway-option.selected .ptb-gateway-radio::after {
    opacity: 1;
}

.ptb-gateway-logo {
    width: 60px;
    height: 40px;
    object-fit: contain;
}

.ptb-gateway-info {
    flex: 1;
}

.ptb-gateway-info h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
}

.ptb-gateway-info span {
    font-size: 12px;
    color: var(--ptb-text-muted);
}

/* ============================================
   Countdown Timer
   ============================================ */
.ptb-countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--ptb-warning-light);
    border-radius: var(--ptb-radius);
    margin-bottom: 20px;
}

.ptb-countdown svg {
    width: 20px;
    height: 20px;
    color: var(--ptb-warning);
}

.ptb-countdown-text {
    font-size: 14px;
    color: var(--ptb-text);
}

.ptb-countdown-time {
    font-weight: 700;
    color: var(--ptb-warning);
    direction: ltr;
    font-feature-settings: "tnum";
}

.ptb-countdown.urgent {
    background: var(--ptb-error-light);
}

.ptb-countdown.urgent svg,
.ptb-countdown.urgent .ptb-countdown-time {
    color: var(--ptb-error);
}

/* ============================================
   Calendar Fixes - V2.5.1
   ============================================ */

/* Calendar - Position Above */
.ptb-price-calendar.ptb-calendar-above {
    top: auto;
    bottom: calc(100% + 8px);
}

/* Calendar Weekdays */
.ptb-calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--ptb-border);
    padding-bottom: 8px;
}

/* Calendar Empty Day */
.ptb-calendar-day.empty {
    background: transparent;
    cursor: default;
}

.ptb-calendar-day.empty:hover {
    background: transparent;
}

/* Higher z-index for calendar */
.ptb-form-group {
    position: relative;
}

.ptb-price-calendar {
    z-index: 9999 !important;
}

/* ============================================
   Error Toast - V2.5.1
   ============================================ */
.ptb-error-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--ptb-error);
    color: #fff;
    padding: 14px 24px;
    border-radius: var(--ptb-radius);
    box-shadow: var(--ptb-shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 99999;
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    transition: all 0.3s ease;
    direction: rtl;
}

.ptb-error-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.ptb-error-toast svg {
    flex-shrink: 0;
}

/* ============================================
   Autocomplete Fixes - V2.5.1
   ============================================ */
.ptb-autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: #fff;
    border-radius: var(--ptb-radius);
    box-shadow: var(--ptb-shadow-xl);
    max-height: 320px;
    overflow-y: auto;
    z-index: 9998;
    display: none;
}

.ptb-autocomplete-dropdown.active {
    display: block;
    animation: dropdownFade 0.2s ease;
}

.ptb-autocomplete-loading,
.ptb-autocomplete-empty {
    padding: 20px;
    text-align: center;
    color: var(--ptb-text-muted);
    font-size: 14px;
}

.ptb-autocomplete-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--ptb-transition);
    border-bottom: 1px solid var(--ptb-border-light);
}

.ptb-autocomplete-item:last-child {
    border-bottom: none;
}

.ptb-autocomplete-item:hover,
.ptb-autocomplete-item.selected {
    background: var(--ptb-primary-pale);
}

.ptb-autocomplete-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ptb-bg-gray);
    border-radius: 50%;
    color: var(--ptb-primary);
}

.ptb-autocomplete-icon svg {
    width: 18px;
    height: 18px;
}

.ptb-autocomplete-info {
    flex: 1;
    min-width: 0;
}

.ptb-autocomplete-info .ptb-city-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--ptb-text);
}

.ptb-autocomplete-info .ptb-airport-name {
    font-size: 12px;
    color: var(--ptb-text-muted);
    margin-top: 2px;
}

.ptb-autocomplete-code {
    font-size: 13px;
    font-weight: 700;
    color: var(--ptb-primary);
    background: var(--ptb-primary-pale);
    padding: 4px 8px;
    border-radius: var(--ptb-radius-sm);
    font-family: monospace;
}

/* ============================================
   Loading Overlay Fix - V2.5.1
   ============================================ */
.ptb-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    backdrop-filter: blur(4px);
}

.ptb-loader {
    background: #fff;
    padding: 40px 60px;
    border-radius: var(--ptb-radius-lg);
    text-align: center;
    box-shadow: var(--ptb-shadow-xl);
}

.ptb-loader-animation {
    margin-bottom: 16px;
    animation: floatPlane 2s ease-in-out infinite;
}

.ptb-loader-animation svg {
    color: var(--ptb-primary);
}

.ptb-loader-text {
    font-size: 16px;
    font-weight: 500;
    color: var(--ptb-text);
}

@keyframes floatPlane {
    0%, 100% { transform: translateY(0) rotate(-5deg); }
    50% { transform: translateY(-10px) rotate(5deg); }
}

/* ============================================
   Flight Card Improvements - V2.5.1
   ============================================ */
.ptb-flight-card {
    background: #fff;
    border-radius: var(--ptb-radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 12px;
    box-shadow: var(--ptb-shadow-sm);
    border: 1px solid var(--ptb-border-light);
    transition: var(--ptb-transition);
}

.ptb-flight-card:hover {
    box-shadow: var(--ptb-shadow-md);
    border-color: var(--ptb-primary-pale);
}

.ptb-flight-airline {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 80px;
}

.ptb-airline-logo {
    width: 48px;
    height: 48px;
    background: var(--ptb-bg-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ptb-primary);
}

.ptb-airline-name {
    font-size: 12px;
    color: var(--ptb-text-secondary);
    text-align: center;
}

.ptb-flight-times {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 20px;
}

.ptb-time-block {
    text-align: center;
}

.ptb-time-block .ptb-time {
    font-size: 20px;
    font-weight: 700;
    display: block;
}

.ptb-time-block .ptb-city {
    font-size: 13px;
    color: var(--ptb-text-muted);
}

.ptb-flight-duration {
    flex: 1;
    text-align: center;
}

.ptb-duration-time {
    font-size: 12px;
    color: var(--ptb-text-muted);
    display: block;
    margin-bottom: 8px;
}

.ptb-duration-line {
    position: relative;
    height: 2px;
    background: var(--ptb-border);
}

.ptb-duration-line::before,
.ptb-duration-line::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--ptb-primary);
    border-radius: 50%;
    top: -3px;
}

.ptb-duration-line::before { left: 0; }
.ptb-duration-line::after { right: 0; }

.ptb-stops {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    color: var(--ptb-success);
    font-weight: 500;
}

.ptb-flight-price {
    text-align: center;
    min-width: 140px;
}

.ptb-price-amount {
    font-size: 22px;
    font-weight: 700;
    color: var(--ptb-primary);
    display: block;
}

.ptb-price-currency {
    font-size: 12px;
    color: var(--ptb-text-muted);
    display: block;
    margin-bottom: 12px;
}

.ptb-select-btn {
    width: 100%;
    padding: 10px 20px;
    background: var(--ptb-primary);
    color: #fff;
    border: none;
    border-radius: var(--ptb-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ptb-transition);
    font-family: inherit;
}

.ptb-select-btn:hover {
    background: var(--ptb-primary-dark);
}

/* ============================================
   Empty State - V2.5.1
   ============================================ */
.ptb-empty-state {
    text-align: center;
    padding: 60px 20px;
    background: #fff;
    border-radius: var(--ptb-radius);
}

.ptb-empty-icon {
    color: var(--ptb-text-muted);
    margin-bottom: 20px;
}

.ptb-empty-state h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--ptb-text);
}

.ptb-empty-state p {
    color: var(--ptb-text-muted);
    margin-bottom: 24px;
}

.ptb-btn-primary {
    display: inline-block;
    padding: 12px 32px;
    background: var(--ptb-primary);
    color: #fff;
    border: none;
    border-radius: var(--ptb-radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ptb-transition);
    font-family: inherit;
}

.ptb-btn-primary:hover {
    background: var(--ptb-primary-dark);
}

/* ============================================
   Results Header - V2.5.1
   ============================================ */
.ptb-results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: #fff;
    border-radius: var(--ptb-radius);
    margin-bottom: 16px;
}

.ptb-results-count {
    font-size: 15px;
    color: var(--ptb-text);
}

.ptb-results-count strong {
    color: var(--ptb-primary);
}

.ptb-modify-search-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--ptb-primary-pale);
    color: var(--ptb-primary);
    border: none;
    border-radius: var(--ptb-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--ptb-transition);
    font-family: inherit;
}

.ptb-modify-search-btn:hover {
    background: var(--ptb-primary);
    color: #fff;
}

/* ============================================
   Filter Chips - V2.5.1
   ============================================ */
.ptb-filters-bar {
    display: flex;
    gap: 8px;
    padding: 16px;
    background: #fff;
    border-radius: var(--ptb-radius);
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.ptb-filter-chip {
    padding: 8px 16px;
    background: var(--ptb-bg-gray);
    border: 1px solid var(--ptb-border);
    border-radius: 50px;
    font-size: 13px;
    color: var(--ptb-text-secondary);
    cursor: pointer;
    transition: var(--ptb-transition);
}

.ptb-filter-chip:hover {
    border-color: var(--ptb-primary);
    color: var(--ptb-primary);
}

.ptb-filter-chip.active {
    background: var(--ptb-primary);
    border-color: var(--ptb-primary);
    color: #fff;
}