/**
 * Amadeus Flight Search Frontend Stylesheet
 *
 * Version: 2.0
 * Description: Combined and refactored styles for flight and hotel search.
 * Contains base styles, Skyscanner-style results cards, and modern form overrides.
 */

/* --- Base Variables --- */
:root {
    --afs-primary-color: #667eea; /* Override Purple */
    --afs-primary-color-hover: #5a67d8; /* Darker Purple */
    --afs-secondary-color: #764ba2; /* Gradient End */
    --afs-secondary-color-hover: #6c44b5;
    --afs-text-color: #2d3748; /* Dark Gray */
    --afs-light-text-color: #4a5568; /* Medium Gray */
    --afs-border-color: #e2e8f0; /* Light Gray */
    --afs-background-color: #f7fafc; /* Off-white */
    --afs-card-background: #fff;
    --afs-input-background: #fff;
    --afs-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --afs-spacing-unit: 8px;
}

/* --- General Styles & Reset --- */
.afs-wrapper *,
.afs-wrapper *::before,
.afs-wrapper *::after {
    box-sizing: border-box;
}

body .afs-wrapper {
    max-width: 800px;
    margin: 2rem auto;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    font-family: var(--afs-font-family);
    color: var(--afs-text-color);
}

/* --- Form Container --- */
.afs-wrapper form.afs-flight-search-form {
    padding: 32px;
    background: white;
    border-radius: 16px;
    box-shadow: none;
    margin-bottom: 0;
}

/* Form Header */
form.afs-flight-search-form .afs-form-header {
    text-align: center;
    margin-bottom: 32px;
}

form.afs-flight-search-form .afs-form-header .afs-form-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--afs-text-color);
    margin: 0 0 8px 0;
}

/* Trip Type Selector */
form.afs-flight-search-form .afs-trip-type-selector.afs-form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    background: var(--afs-background-color);
    padding: 8px;
    border-radius: 12px;
}

form.afs-flight-search-form .afs-trip-type-selector.afs-form-row .afs-radio-label {
    flex: 1;
    text-align: center;
    cursor: pointer;
    padding: 12px;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-weight: 500;
    margin: 0;
    display: block;
    color: var(--afs-light-text-color);
}

form.afs-flight-search-form .afs-trip-type-selector.afs-form-row .afs-radio-label:has(input:checked) {
    background: var(--afs-primary-color);
    color: white;
}

form.afs-flight-search-form .afs-trip-type-selector.afs-form-row input[type="radio"] {
    display: none;
}

/* Form Grid System */
form.afs-flight-search-form .afs-form-row {
    margin-bottom: 24px;
}

form.afs-flight-search-form .afs-form-row.afs-grid-responsive {
    display: grid;
    gap: 16px;
    grid-template-columns: 1fr 1fr;
}

/* Full-width for single date picker */
form.afs-flight-search-form .afs-date-inputs.afs-form-row.afs-grid-responsive:has(.afs-return-date-group[style*="none"]) {
    grid-template-columns: 1fr;
}

/* Form Groups and Labels */
form.afs-flight-search-form .afs-form-group {
    position: relative;
}

form.afs-flight-search-form .afs-form-group .afs-label {
    display: block;
    font-weight: 600;
    color: var(--afs-light-text-color);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

/* Input Fields */
form.afs-flight-search-form .afs-input,
form.afs-flight-search-form .afs-select {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--afs-border-color);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: var(--afs-input-background);
    outline: none;
}

form.afs-flight-search-form .afs-input:focus,
form.afs-flight-search-form .afs-select:focus {
    border-color: var(--afs-primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

form.afs-flight-search-form .afs-input::placeholder {
    color: #a0aec0;
}

/* Passengers & Class */
form.afs-flight-search-form .afs-passengers-summary-group {
    position: relative;
}

form.afs-flight-search-form .afs-passengers-summary-group .afs-input {
    cursor: pointer;
}

form.afs-flight-search-form .afs-passengers-summary-group::after {
    content: '▼';
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--afs-primary-color);
    pointer-events: none;
    margin-top: 14px; /* Adjust for label height */
}

/* Passenger Class Panel */
form.afs-flight-search-form .afs-passenger-class-panel {
    background: var(--afs-background-color);
    border-radius: 12px;
    padding: 24px;
    margin-top: 8px;
    border: 2px solid var(--afs-border-color);
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    z-index: 100;
}

form.afs-flight-search-form .afs-passenger-class-panel h4 {
    color: var(--afs-text-color);
    margin-bottom: 16px;
    font-size: 1.1rem;
    margin-top: 16px;
}
form.afs-flight-search-form .afs-passenger-class-panel h4:first-child {
    margin-top: 0;
}

form.afs-flight-search-form .afs-passenger-class-panel .afs-passenger-type {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

form.afs-flight-search-form .afs-passenger-class-panel .afs-passenger-type label {
    font-weight: 500;
    color: var(--afs-light-text-color);
}
form.afs-flight-search-form .afs-passenger-class-panel .afs-passenger-type label small {
    color: #718096;
    font-weight: normal;
}

/* Stepper Controls */
form.afs-flight-search-form .afs-passenger-class-panel .afs-stepper {
    display: flex;
    align-items: center;
    gap: 8px;
}

form.afs-flight-search-form .afs-passenger-class-panel .afs-stepper .afs-stepper-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--afs-border-color);
    background: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--afs-primary-color);
    transition: all 0.2s ease;
}

form.afs-flight-search-form .afs-passenger-class-panel .afs-stepper .afs-stepper-btn:hover {
    background: var(--afs-primary-color);
    color: white;
    border-color: var(--afs-primary-color);
}

form.afs-flight-search-form .afs-passenger-class-panel .afs-stepper .afs-stepper-input {
    width: 60px;
    text-align: center;
    border: 2px solid var(--afs-border-color);
    border-radius: 8px;
    padding: 8px;
    font-weight: 600;
    background: white;
    pointer-events: none;
}

/* Checkbox */
form.afs-flight-search-form .afs-nonstop-preference .afs-checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-weight: 500;
    color: var(--afs-light-text-color);
}

form.afs-flight-search-form .afs-nonstop-preference input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--afs-primary-color);
}

/* Buttons */
form.afs-flight-search-form .afs-button {
    padding: 16px 32px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
}

form.afs-flight-search-form .afs-button.afs-button-primary {
    background: linear-gradient(135deg, var(--afs-primary-color) 0%, var(--afs-secondary-color) 100%);
    color: white;
}

form.afs-flight-search-form .afs-button.afs-button-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

form.afs-flight-search-form .afs-button.afs-button-secondary {
    background: var(--afs-border-color);
    color: var(--afs-light-text-color);
}

form.afs-flight-search-form .afs-button.afs-button-secondary:hover {
    background: #cbd5e0;
}

/* Loading States */
.afs-button .afs-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: afs-spin 1s linear infinite;
    margin-left: 8px;
}

.afs-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.afs-loading-overlay .afs-loading-indicator {
    background: white;
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.afs-loading-overlay .afs-spinner-large {
    width: 40px;
    height: 40px;
    border: 3px solid var(--afs-border-color);
    border-top: 3px solid var(--afs-primary-color);
    border-radius: 50%;
    animation: afs-spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

/* --- Results Area Styles --- */
.afs-results-wrapper {
    margin-top: 2rem;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.afs-flight-results-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

/* Skyscanner Style Results Card */
.afs-ticket {
    border: 1px solid #e1e2e8;
    border-radius: 6px;
    background-color: #fff;
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
    transition: box-shadow 0.2s ease-in-out;
}
.afs-ticket:hover {
    box-shadow: 0 4px 18px rgba(20, 22, 30, 0.12);
}
.afs-ticket__main {
    padding: 1rem;
    flex-grow: 1;
}
.afs-ticket__leg {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.afs-ticket__leg + .afs-ticket__leg {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed #e1e2e8;
}
.afs-leg__logo img {
    width: 90px;
    height: auto;
    display: block;
    border-radius: 3px;
    margin-right: 1rem;
}
.afs-leg__details {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 1rem;
}
.afs-leg__route-part { text-align: left; }
.afs-leg__route-part:last-child { text-align: right; }
.afs-leg__route-time {
    font-size: 1.125rem;
    font-weight: 700;
    color: #14161e;
}
.afs-leg__route-station {
    font-size: 0.875rem;
    color: #5f6678;
}
.afs-leg__stops {
    text-align: center;
    flex-shrink: 0;
}
.afs-leg__duration {
    font-size: 0.875rem;
    color: #5f6678;
}
.afs-leg__stops-line {
    height: 1px;
    background-color: #cdd0d7;
    margin: 4px 0;
    position: relative;
}
.afs-leg__stops-line::after {
    content: '✈';
    position: absolute;
    right: -4px;
    top: -8px;
    font-size: 12px;
    color: #5f6678;
}
.afs-leg__stops-label {
    font-size: 0.875rem;
    color: #00a698;
    font-weight: 700;
}
.afs-ticket__stub {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-top: 1px solid #e1e2e8;
}
.afs-stub__price .afs-price-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: #14161e;
}
.afs-stub__button {
    background-color: #0062e3;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color 0.2s;
}
.afs-stub__button:hover {
    background-color: #0052bd;
}

/* Hotel Results Specific Styles */
.ahs-hotel-details h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.2rem;
    color: var(--afs-text-color);
}
.ahs-hotel-details p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--afs-light-text-color);
}
.ahs-stars {
    color: #f0ad4e; /* A gold/yellow color for stars */
    font-size: 1rem;
    margin-left: 0.5rem;
}
.afs-ticket__stub small {
    display: block;
    font-size: 0.8rem;
    color: var(--afs-light-text-color);
}

/* Tooltip Styles */
.afs-tooltip-container {
    position: relative;
    display: inline-block;
}
.afs-tooltip-text {
    visibility: hidden;
    width: 220px;
    background-color: #333;
    color: #fff;
    text-align: left;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 10;
    bottom: 125%;
    left: 50%;
    margin-left: -110px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.8rem;
    line-height: 1.4;
}
.afs-tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #333 transparent transparent transparent;
}
.afs-tooltip-container:hover .afs-tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Error Messages */
.afs-results-error-message {
    background-color: #ffebee;
    color: #c62828;
    padding: 1rem;
    border: 1px solid #ef9a9a;
    border-radius: 8px;
    margin-top: 1rem;
    text-align: center;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    body .afs-wrapper {
        margin: 12px;
        border-radius: 12px;
    }
    .afs-wrapper form.afs-flight-search-form {
        padding: 24px 20px;
    }
    form.afs-flight-search-form .afs-form-header .afs-form-title {
        font-size: 1.75rem;
    }
    form.afs-flight-search-form .afs-form-row.afs-grid-responsive {
        grid-template-columns: 1fr;
    }
    form.afs-flight-search-form .afs-form-row {
        margin-bottom: 20px;
    }
    form.afs-flight-search-form .afs-passenger-class-panel {
        padding: 20px;
    }
}

@media (max-width: 600px) {
    .afs-leg__details { flex-wrap: wrap; }
    .afs-leg__stops { width: 100%; order: 3; margin-top: 0.5rem; }
    .afs-ticket__stub { flex-direction: column; align-items: stretch; gap: 0.75rem; }
    .afs-stub__price { text-align: center; }
}

@media (max-width: 480px) {
    .afs-wrapper form.afs-flight-search-form {
        padding: 20px 16px;
    }
    form.afs-flight-search-form .afs-form-header .afs-form-title {
        font-size: 1.5rem;
    }
    form.afs-flight-search-form .afs-input,
    form.afs-flight-search-form .afs-select {
        padding: 14px;
    }
    form.afs-flight-search-form .afs-button {
        padding: 14px 24px;
    }
}

/* Large screen optimizations */
@media (min-width: 1200px) {
    body .afs-wrapper {
        max-width: 1100px; /* Adjusted for a more compact large view */
    }
    .afs-wrapper form#afs-flight-search-form {
        padding: 40px;
        display: grid;
        grid-template-columns: 1.5fr 2fr 1fr; /* Adjust column ratios */
        grid-template-rows: auto;
        gap: 24px;
        align-items: end;
    }
    form#afs-flight-search-form .afs-form-header {
        display: none; /* Hide header on wide-screen layout */
    }
    form#afs-flight-search-form .afs-form-row {
        margin-bottom: 0;
    }
    form#afs-flight-search-form .afs-passengers-class-panel {
        position: absolute;
        z-index: 100;
        width: 350px;
        margin-top: 8px;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    }
  /* --- Hotel Form Specific Layout --- */
form#ahs-hotel-search-form .ahs-controls-grid {
    display: grid;
    gap: 16px;
    /* Define columns for the horizontal layout */
    grid-template-columns: 2.5fr 1fr 1fr 1fr auto;
    align-items: end; /* Align items to the bottom of the grid row */
}

form#ahs-hotel-search-form .afs-form-actions {
    margin-bottom: 0;
}

/* --- Responsive Adjustments --- */
@media (max-width: 900px) {
    body .afs-wrapper {
        margin: 12px;
        border-radius: 12px;
    }
    .afs-wrapper form.afs-flight-search-form {
        padding: 24px 20px;
    }
    .afs-flight-search-form .afs-form-header .afs-form-title {
        font-size: 1.75rem;
    }
    /* Stack grids on mobile */
    form#ahs-hotel-search-form .ahs-controls-grid {
        grid-template-columns: 1fr;
    }
    .afs-flight-search-form .afs-form-group {
        margin-bottom: 16px;
    }
}

}