/* ========================================
   Vietnam Airlines Clone - Flight Search Widget
   Premium Glassmorphism Design
   ======================================== */

/* Global SVG Constraints - Prevent giant icons */
.modal-search svg,
.modal-overlay svg,
.search-widget svg:not(.airport-swap svg):not(.passenger-display svg),
.form-group label svg,
.airport-modal svg,
#airportModal svg {
    width: 18px !important;
    height: 18px !important;
    max-width: 24px !important;
    max-height: 24px !important;
    flex-shrink: 0;
}

/* Modal Search specific fix */
.modal-search {
    position: relative;
}

.modal-search svg {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px !important;
    height: 20px !important;
}

.search-section {
    position: relative;
    margin-top: -120px;
    z-index: 10;
    padding: 0 var(--spacing-2xl);
}

.search-widget {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius-2xl);
    box-shadow: 0 8px 60px rgba(0, 0, 0, 0.12);
    max-width: 1100px;
    margin: 0 auto;
    overflow: visible;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

/* Search Tabs */
.search-tabs {
    display: flex;
    background: transparent;
    padding: var(--spacing-lg) var(--spacing-xl);
    padding-bottom: 0;
    gap: 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.search-tab {
    position: relative;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.search-tab:hover {
    color: var(--color-primary);
}

.search-tab.active {
    color: var(--color-primary);
    font-weight: 600;
}

.search-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 3px;
    background: var(--color-primary);
    border-radius: 3px 3px 0 0;
}

/* Search Form */
.search-form {
    padding: var(--spacing-xl) var(--spacing-2xl);
}

/* Trip Type Toggle */
.trip-type-toggle {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.trip-type-option {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.trip-type-option input[type="radio"] {
    display: none;
}

.trip-type-option .radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-400);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.trip-type-option:hover .radio-custom {
    border-color: var(--color-primary);
}

.trip-type-option input[type="radio"]:checked+.radio-custom {
    border-color: var(--color-primary);
    border-width: 2px;
}

.trip-type-option input[type="radio"]:checked+.radio-custom::after {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 50%;
}

.trip-type-option .label-text {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

/* Form Row */
.form-row {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    align-items: flex-end;
}

/* Form Groups */
.form-group {
    flex: 1;
    min-width: 0;
}

.form-group.airport-group {
    flex: 2.5;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-gray-500);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.form-group label svg {
    width: 14px;
    height: 14px;
    opacity: 0.6;
}

/* Airport Selector */
.airport-selector {
    display: flex;
    align-items: stretch;
    background: var(--color-gray-50);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.airport-selector:hover {
    border-color: var(--color-gray-200);
}

.airport-selector:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 95, 110, 0.1);
}

.airport-box {
    flex: 1;
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.airport-box:hover {
    background: var(--color-gray-100);
}

.airport-box label {
    margin-bottom: 4px;
}

.airport-box .airport-code {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    letter-spacing: -1px;
}

.airport-box .airport-name {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.airport-swap {
    width: 48px;
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    border-left: 1px solid var(--color-gray-200);
    border-right: 1px solid var(--color-gray-200);
}

.airport-swap:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.airport-swap:hover svg {
    transform: rotate(180deg);
}

.airport-swap svg {
    width: 22px;
    height: 22px;
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.airport-swap:hover svg {
    color: var(--color-white);
}

/* Form Inputs */
.form-input-wrapper {
    position: relative;
}

.date-input,
.promo-input {
    width: 100%;
    padding: 16px 18px;
    background: var(--color-gray-50);
    border: 2px solid transparent;
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    color: var(--color-dark);
    transition: all var(--transition-fast);
}

.date-input:hover,
.promo-input:hover {
    border-color: var(--color-gray-200);
}

.date-input:focus,
.promo-input:focus {
    background: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 95, 110, 0.1);
}

.date-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.promo-input::placeholder {
    color: var(--color-gray-400);
}

/* Passenger Selector */
.passenger-selector {
    position: relative;
}

.passenger-display {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--color-gray-50);
    border: 2px solid transparent;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.passenger-display:hover {
    border-color: var(--color-gray-200);
}

.passenger-selector.open .passenger-display {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 95, 110, 0.1);
}

.passenger-display .passenger-icon {
    font-size: 20px;
    color: var(--color-primary);
}

.passenger-display .passenger-text {
    flex: 1;
    font-size: var(--font-size-base);
    color: var(--color-dark);
    font-weight: 500;
}

.passenger-display .dropdown-arrow {
    width: 18px;
    height: 18px;
    color: var(--color-gray-400);
    transition: transform var(--transition-fast);
}

.passenger-selector.open .passenger-display .dropdown-arrow {
    transform: rotate(180deg);
}

/* Passenger Dropdown */
.passenger-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg);
    z-index: 100;
    display: none;
    border: 1px solid var(--color-gray-100);
}

.passenger-selector.open .passenger-dropdown {
    display: block;
    animation: slideUp 0.2s ease;
}

.passenger-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.passenger-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.passenger-row:first-child {
    padding-top: 0;
}

.passenger-info .passenger-type {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-dark);
}

.passenger-info .passenger-age {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: 2px;
}

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

.counter-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-gray-100);
    color: var(--color-primary);
    font-size: 20px;
    font-weight: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.counter-btn:hover:not(:disabled) {
    background: var(--color-primary);
    color: var(--color-white);
}

.counter-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.counter-value {
    width: 28px;
    text-align: center;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-dark);
}

/* Search Submit Button */
.search-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 16px 48px;
    font-size: var(--font-size-base);
    font-weight: 700;
    border-radius: var(--border-radius-xl);
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 6px 25px rgba(0, 95, 110, 0.35);
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.search-submit:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(0, 95, 110, 0.45);
}

.search-submit svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.btn-search {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 16px 60px;
    font-size: var(--font-size-base);
    font-weight: 700;
    border-radius: var(--border-radius-xl);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    box-shadow: 0 6px 25px rgba(0, 95, 110, 0.35);
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.btn-search:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(0, 95, 110, 0.45);
}

.btn-search:active {
    transform: translateY(-1px);
}

/* Recent Search */
.recent-search {
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: var(--color-gray-50);
    border-radius: 0 0 var(--border-radius-2xl) var(--border-radius-2xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    border-top: 1px solid var(--color-gray-100);
}

.recent-search strong {
    color: var(--color-gray-700);
    font-weight: 600;
}

.recent-search-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.recent-search-item:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

/* Quick Links */
.quick-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl) 0;
    max-width: 1100px;
    margin: 0 auto;
}

.quick-link-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    min-width: 160px;
    border: 1px solid transparent;
}

.quick-link-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.quick-link-item .quick-link-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 95, 110, 0.08) 0%, rgba(0, 95, 110, 0.04) 100%);
    border-radius: var(--border-radius-lg);
    color: var(--color-primary);
}

.quick-link-item .quick-link-icon svg {
    width: 28px;
    height: 28px;
}

.quick-link-item .quick-link-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-dark);
    text-align: center;
}

/* Airport Modal */
.airport-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.airport-modal.open {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.airport-modal-content {
    background: var(--color-white);
    border-radius: var(--border-radius-2xl);
    width: 100%;
    max-width: 560px;
    max-height: 85vh;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    animation: slideUp 0.3s ease;
}

.airport-modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.airport-modal-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-dark);
}

.airport-modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    transition: all var(--transition-fast);
    cursor: pointer;
    background: none;
    border: none;
}

.airport-modal-close:hover {
    background: var(--color-gray-100);
    color: var(--color-dark);
}

.airport-search {
    padding: var(--spacing-md) var(--spacing-xl);
}

.airport-search input {
    width: 100%;
    padding: 14px 18px;
    background: var(--color-gray-50);
    border: 2px solid transparent;
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.airport-search input:focus {
    background: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 95, 110, 0.1);
}

.airport-list {
    max-height: 400px;
    overflow-y: auto;
}

.airport-group-title {
    padding: 10px var(--spacing-xl);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-gray-500);
    background: var(--color-gray-50);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: sticky;
    top: 0;
}

.airport-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: 14px var(--spacing-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--color-gray-50);
}

.airport-option:hover {
    background: var(--color-gray-50);
}

.airport-option:last-child {
    border-bottom: none;
}

.airport-option .airport-code-badge {
    width: 52px;
    height: 52px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.airport-option .airport-details {
    flex: 1;
    min-width: 0;
}

.airport-option .airport-details .city {
    font-weight: 600;
    color: var(--color-dark);
    font-size: var(--font-size-base);
}

.airport-option .airport-details .airport-name {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Responsive */
@media (max-width: 1024px) {
    .search-section {
        padding: 0 var(--spacing-lg);
        margin-top: -80px;
    }

    .search-tabs {
        overflow-x: auto;
        padding: var(--spacing-md);
        padding-bottom: 0;
        gap: 0;
        -webkit-overflow-scrolling: touch;
    }

    .search-tab {
        padding: var(--spacing-md);
        font-size: var(--font-size-xs);
    }

    .search-form {
        padding: var(--spacing-xl);
    }

    .form-row {
        flex-wrap: wrap;
    }

    .form-group {
        min-width: calc(50% - 12px);
    }

    .form-group.airport-group {
        min-width: 100%;
        flex: auto;
    }
}

@media (max-width: 768px) {
    .search-section {
        margin-top: -60px;
        padding: 0 var(--spacing-md);
    }

    .search-widget {
        border-radius: var(--border-radius-xl);
    }

    .search-form {
        padding: var(--spacing-lg);
    }

    .form-row {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .form-group {
        min-width: 100%;
    }

    .airport-selector {
        flex-direction: column;
    }

    .airport-swap {
        height: 44px;
        width: 100%;
        border-left: none;
        border-right: none;
        border-top: 1px solid var(--color-gray-200);
        border-bottom: 1px solid var(--color-gray-200);
    }

    .airport-swap svg {
        transform: rotate(90deg);
    }

    .airport-swap:hover svg {
        transform: rotate(270deg);
    }

    .airport-box .airport-code {
        font-size: 2rem;
    }

    .trip-type-toggle {
        gap: var(--spacing-lg);
    }

    .btn-search {
        width: 100%;
        padding: 16px;
    }

    .quick-links {
        flex-wrap: wrap;
        gap: var(--spacing-md);
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .quick-link-item {
        flex: 0 0 calc(50% - 8px);
        min-width: auto;
        padding: var(--spacing-lg);
    }

    /* Modal Mobile */
    .airport-modal {
        padding: 0;
        align-items: flex-end;
    }

    .airport-modal-content {
        border-radius: var(--border-radius-2xl) var(--border-radius-2xl) 0 0;
        max-height: 90vh;
    }
}