/**
 * University Filter System - Frontend Styles
 */

:root {
    --ufs-primary: #027cff;
    --ufs-primary-dark: #0266d6;
    --ufs-text-dark: #111111;
    --ufs-text-gray: #6b7280;
    --ufs-text-light: #9ca3af;
    --ufs-border: #e5e7eb;
    --ufs-border-dark: #d1d5db;
    --ufs-bg-white: #ffffff;
    --ufs-bg-gray: #f9fafb;
    --ufs-bg-blue: #eff6ff;
    --ufs-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --ufs-radius: 0.5rem;
}

/* ============================================
   Container & Layout
   ============================================ */

.ufs-container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
}

/* Page Header */
.ufs-page-header {
    text-align: center;
    margin-bottom: 2rem;
}

.ufs-page-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--ufs-text-dark);
    margin: 0;
}

/* ============================================
   Filter Section
   ============================================ */

.ufs-filter-wrapper {
    padding: 1rem;
    margin: 0 0 2rem;
}

/* Filter Grid */
.ufs-filter-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .ufs-filter-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Bottom Row */
.ufs-bottom-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

@media (min-width: 768px) {
    .ufs-bottom-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
        align-items: start;
    }
}

/* Filter Field */
.ufs-filter-field {
    width: 100%;
}

.ufs-field-label {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--ufs-text-dark);
    text-align: center;
    margin-bottom: 0.5rem;
}

/* Select Styling */
.ufs-select,
.ufs-select-multi {
    width: 100%;
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
    color: var(--ufs-text-dark);
    background-color: var(--ufs-bg-white);
    border: 1px solid var(--ufs-border);
    border-radius: var(--ufs-radius);
    outline: none;
    transition: border-color 0.15s ease-in-out;
}

.ufs-select:focus,
.ufs-select-multi:focus {
    border-color: var(--ufs-primary);
}

/* Select2 Custom Styling */
.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
    border: 1px solid var(--ufs-border);
    border-radius: var(--ufs-radius);
    padding: 0.375rem 0.75rem;
    min-height: 42px;
    background-color: var(--ufs-bg-white);
    font-family: 'Cairo', sans-serif !important;
}

.select2-container--default .select2-selection--single {
    height: auto;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--ufs-text-dark);
    line-height: 24px;
    padding: 0;
}

.select2-container--default .select2-selection__placeholder {
    font-family: 'Cairo', sans-serif !important;
    color: var(--ufs-text-gray);
}

.select2-container--default .select2-selection--multiple .select2-selection__placeholder {
    font-family: 'Cairo', sans-serif !important;
    color: var(--ufs-text-gray);
}

.select2-container .select2-selection--single .select2-selection__rendered,
.select2-container .select2-selection--multiple,
.select2-results__option,
.select2-search__field {
    font-family: 'Cairo', sans-serif !important;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 100%;
    right: 8px;
}

/* Add arrow to multi-select dropdowns */
.select2-container--default .select2-selection--multiple {
    position: relative;
    padding-right: 2.5rem !important;
}

.select2-container--default .select2-selection--multiple:after {
    content: "";
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid #666;
    pointer-events: none;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice {
    background-color: var(--ufs-primary);
    border: none;
    border-radius: 0.25rem;
    color: white !important;
    padding: 0.25rem 0.5rem;
    margin: 0.125rem;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__display {
    color: white !important;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__remove {
    color: white !important;
    margin-right: 0.25rem;
    background-color: transparent !important;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__remove span {
    color: white !important;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__remove:hover {
    color: white !important;
    background-color: transparent !important;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__remove:hover span {
    color: white !important;
}

.select2-container--default.select2-container--focus .select2-selection--single,
.select2-container--default.select2-container--focus .select2-selection--multiple {
    border-color: var(--ufs-primary);
}

.select2-dropdown {
    border: 1px solid var(--ufs-border);
    border-radius: var(--ufs-radius);
}

.select2-container--default .select2-results__option--highlighted[aria-selected] {
    background-color: var(--ufs-primary);
}

/* Price Range Section */
.ufs-price-section {
    width: 100%;
}

.ufs-price-label {
    margin-bottom: 0.75rem;
}

/* noUiSlider Custom Styling */
.ufs-price-slider {
    margin: 1.5rem 0;
    height: 8px;
}

/* Horizontal slider */
.ufs-price-slider .noUi-target {
    background: var(--ufs-border);
    border-radius: 1rem;
    border: none;
    box-shadow: none;
    height: 8px;
}

/* Connect bar (filled part between handles) */
.ufs-price-slider .noUi-connect {
    background: var(--ufs-primary);
    border-radius: 1rem;
}

/* Handles (thumbs) */
.ufs-price-slider .noUi-handle {
    background: var(--ufs-primary);
    border: 3px solid white;
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    width: 24px;
    height: 24px;
    right: -12px;
    top: -8px;
}

.ufs-price-slider .noUi-handle:before,
.ufs-price-slider .noUi-handle:after {
    display: none;
}

.ufs-price-slider .noUi-handle:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2), 0 2px 6px rgba(0, 0, 0, 0.15);
}

.ufs-price-slider .noUi-handle:active {
    transform: scale(1.1);
}

/* Tooltip */
.ufs-price-slider .noUi-tooltip {
    display: none;
}

.ufs-price-display {
    text-align: center;
    font-size: 0.875rem;
    color: var(--ufs-text-gray);
    margin-top: 0.5rem;
}

/* Checkbox Column */
.ufs-checkbox-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.ufs-checkbox-column .ufs-checkbox-label {
    margin: auto 0;
}

.ufs-checkbox-label {
    display: flex;
    align-items: center;
    flex-direction: row-reverse;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--ufs-bg-white);
    border: 1px solid var(--ufs-border);
    border-radius: var(--ufs-radius);
    cursor: pointer;
    transition: all 0.15s ease-in-out;
}

.ufs-checkbox-label:hover {
    border-color: var(--ufs-border-dark);
}

.ufs-checkbox {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    accent-color: var(--ufs-primary);
}

.ufs-checkbox-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ufs-text-dark);
    text-align: right;
}

/* Display Section */
.ufs-display-section {
    width: 100%;
}

.ufs-display-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.ufs-display-checkbox {
    display: flex;
    align-items: center;
    flex-direction: row-reverse;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--ufs-bg-white);
    border: 1px solid var(--ufs-border);
    border-radius: var(--ufs-radius);
    cursor: pointer;
    transition: all 0.15s ease-in-out;
}

.ufs-display-checkbox:hover {
    border-color: var(--ufs-border-dark);
}

.ufs-display-checkbox.active {
    background-color: var(--ufs-bg-blue);
    border-color: var(--ufs-primary);
}

.ufs-display-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ufs-text-dark);
    text-align: right;
    flex: 1;
}

/* ============================================
   Results Section
   ============================================ */

.ufs-results-section {
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    padding: 0 1rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .ufs-results-section {
        padding: 0 4rem;
    }
}

@media (min-width: 1024px) {
    .ufs-results-section {
        padding: 0 8rem;
    }
}

@media (min-width: 1280px) {
    .ufs-results-section {
        padding: 0 13rem;
    }
}

/* Results Header */
.ufs-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.ufs-results-count {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ufs-text-dark);
}

.ufs-loading-spinner {
    display: inline-block;
}

.ufs-spinner {
    width: 1.5rem;
    height: 1.5rem;
    border: 3px solid var(--ufs-border);
    border-top-color: var(--ufs-primary);
    border-radius: 50%;
    animation: ufs-spin 0.6s linear infinite;
}

@keyframes ufs-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Universities Grid */
.ufs-universities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

@media (min-width: 640px) {
    .ufs-universities-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.875rem;
    }
}

@media (min-width: 768px) {
    .ufs-universities-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
    }
}

@media (min-width: 1024px) {
    .ufs-universities-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 1rem;
    }
}

@media (min-width: 1280px) {
    .ufs-universities-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 1rem;
    }
}

@media (min-width: 1536px) {
    .ufs-universities-grid {
        grid-template-columns: repeat(7, 1fr);
        gap: 1rem;
    }
}

.ufs-universities-grid.ufs-loading {
    opacity: 0.6;
    pointer-events: none;
}

/* ============================================
   University Card
   ============================================ */

.ufs-card {
    position: relative;
    background: var(--ufs-bg-white);
    border: 1px solid var(--ufs-border);
    border-radius: var(--ufs-radius);
    box-shadow: var(--ufs-shadow);
    padding: 0.5rem;
    min-height: 260px;
    overflow: hidden;
    transition: box-shadow 0.2s ease-in-out, transform 0.2s ease-in-out;
    animation: ufs-fadeIn 0.3s ease-in-out;
}

.ufs-card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

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

/* Card Badge */
.ufs-card-badge {
    position: absolute;
    top: 0.375rem;
    right: 0.375rem;
    background: var(--ufs-primary);
    color: white;
    padding: 0.1875rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.625rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.1875rem;
    z-index: 10;
    line-height: 1;
    max-width: calc(100% - 0.75rem);
    white-space: nowrap;
}

.ufs-card-badge svg {
    width: 9px;
    height: 9px;
    flex-shrink: 0;
}

/* Card Content */
.ufs-card-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    min-height: 248px;
}

/* Card Sections */
.ufs-card-section {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.ufs-card-title-section {
    flex: 1 1 0%;
    min-height: 2.5rem;
}

.ufs-card-logo-section {
    flex: 4 1 0%;
    min-height: 64px;
    max-height: 80px;
}

.ufs-card-name-section,
.ufs-card-language-section,
.ufs-card-price-section,
.ufs-card-button-section {
    flex: 2 1 0%;
}

/* Card Title */
.ufs-card-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--ufs-text-dark);
    line-height: 1.1rem;
    margin: 0;
    padding: 0 0.25rem;
    padding-right: 2rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (min-width: 1280px) {
    .ufs-card-title {
        font-size: 0.875rem;
        line-height: 1.25rem;
    }
}

/* Card Logo */
.ufs-card-logo {
    position: relative;
    width: 60%;
    height: 60%;
    max-width: 60px;
    max-height: 60px;
}

@media (min-width: 1280px) {
    .ufs-card-logo {
        width: 65%;
        height: 65%;
        max-width: 80px;
        max-height: 80px;
    }
}

.ufs-card-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Card Name */
.ufs-card-name {
    font-size: 0.75rem;
    color: var(--ufs-text-gray);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 0.25rem;
}

@media (min-width: 1280px) {
    .ufs-card-name {
        font-size: 0.875rem;
    }
}

/* Card Language */
.ufs-card-language {
    font-size: 0.75rem;
    color: var(--ufs-text-gray);
    margin: 0;
}

@media (min-width: 1280px) {
    .ufs-card-language {
        font-size: 0.875rem;
    }
}

/* Card Price */
.ufs-card-price {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    width: 100%;
}

.ufs-price-value {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--ufs-primary);
    margin: 0;
}

@media (min-width: 1280px) {
    .ufs-price-value {
        font-size: 0.875rem;
    }
}

.ufs-annual-fee {
    color: var(--ufs-primary);
}

.ufs-scholarship-price {
    color: #10b981;
}

/* Card Buttons */
.ufs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.375rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--ufs-radius);
    cursor: pointer;
    transition: all 0.15s ease-in-out;
    margin-top: 0.25rem;
}

@media (min-width: 1280px) {
    .ufs-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
}

.ufs-btn-info {
    background-color: #374151;
    color: white;
    min-height: 28px;
}

.ufs-btn-info:hover {
    background-color: #1f2937;
}

.ufs-btn-apply {
    background-color: #027cff;
    color: white;
    min-height: 30px;
}

@media (min-width: 1280px) {
    .ufs-btn-apply {
        min-height: 32px;
    }
}

.ufs-btn-apply:hover {
    background-color: #1877db;
    color: white;
}

/* Load More Button */
.ufs-load-more-container {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.ufs-load-more-btn {
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background-color: var(--ufs-primary);
    border: none;
    border-radius: var(--ufs-radius);
    cursor: pointer;
    transition: background-color 0.2s ease-in-out;
}

.ufs-load-more-btn:hover {
    background-color: var(--ufs-primary-dark);
}

.ufs-load-more-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* No Results */
.ufs-no-results {
    text-align: center;
    padding: 3rem 1rem;
}

.ufs-no-results h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--ufs-text-dark);
    margin: 1rem 0 0.5rem;
}

.ufs-no-results p {
    font-size: 0.875rem;
    color: var(--ufs-text-gray);
    margin: 0;
}

/* ============================================
   RTL Support
   ============================================ */

[dir="rtl"] .ufs-card-badge {
    right: auto;
    left: 0.5rem;
}

[dir="rtl"] .select2-container--default .select2-selection--single .select2-selection__arrow {
    right: auto;
    left: 8px;
}

[dir="rtl"] .select2-container--default .select2-selection--multiple {
    padding-right: 0.75rem !important;
    padding-left: 2.5rem !important;
}

[dir="rtl"] .select2-container--default .select2-selection--multiple:after {
    right: auto;
    left: 12px;
}

/* ============================================
   Responsive Adjustments
   ============================================ */

@media (max-width: 767px) {
    .ufs-page-title {
        font-size: 1.5rem;
    }

    .ufs-field-label {
        font-size: 1rem;
    }

    .ufs-filter-wrapper {
        padding: 1rem;
    }

    .ufs-card-title {
        font-size: 0.8125rem;
        padding-right: 1.75rem;
    }

    .ufs-card-badge {
        font-size: 0.5625rem;
        padding: 0.125rem 0.3125rem;
        gap: 0.125rem;
        top: 0.3125rem;
        right: 0.3125rem;
    }

    .ufs-card-badge svg {
        width: 8px;
        height: 8px;
    }
}

/* ============================================
   Transportation Filter Styles
   ============================================ */

/* Transport Header */
.ufs-transport-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, var(--ufs-primary) 0%, #0266d6 100%);
    border-radius: var(--ufs-radius);
    color: white;
}

.ufs-transport-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    color: white;
}

.ufs-transport-subtitle {
    font-size: 1rem;
    margin: 0;
    color: white;
    opacity: 0.95;
}

@media (max-width: 767px) {
    .ufs-transport-title {
        font-size: 1.5rem;
    }
    .ufs-transport-subtitle {
        font-size: 0.875rem;
    }
}

/* Transport Routes Grid */
.ufs-transport-routes-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
}

@media (min-width: 768px) {
    .ufs-transport-routes-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
}

@media (min-width: 1024px) {
    .ufs-transport-routes-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}

/* Transport Card */
.ufs-transport-card {
    position: relative;
    background: var(--ufs-bg-white);
    border: 1px solid var(--ufs-border);
    border-radius: var(--ufs-radius);
    box-shadow: var(--ufs-shadow);
    padding: 1.5rem;
    overflow: hidden;
    transition: box-shadow 0.2s ease-in-out, transform 0.2s ease-in-out;
    animation: ufs-fadeIn 0.3s ease-in-out;
}

.ufs-transport-card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

/* Transport Badge */
.ufs-transport-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
    background: white;
    color: #111111;
    z-index: 10;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.ufs-transport-badge.الباص,
.ufs-transport-badge.مترو-باص,
.ufs-transport-badge.دولموش,
.ufs-transport-badge.ترام,
.ufs-transport-badge.ميترو {
    background: white;
    color: #111111;
}

[dir="rtl"] .ufs-transport-badge {
    right: auto;
    left: 1rem;
}

/* Transport Header Section */
.ufs-transport-card .ufs-transport-header {
    margin: -1.5rem -1.5rem 1rem -1.5rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--ufs-primary) 0%, #0266d6 100%);
    border-radius: var(--ufs-radius) var(--ufs-radius) 0 0;
}

.ufs-transport-university {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin: 0 0 0.5rem 0;
}

.ufs-transport-city {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: white;
    margin: 0;
    opacity: 0.95;
}

.ufs-transport-city svg {
    flex-shrink: 0;
}

/* Transport Section */
.ufs-transport-section {
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--ufs-border);
}

.ufs-transport-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.ufs-transport-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ufs-text-light);
    text-transform: uppercase;
    letter-spacing: 0.025em;
    margin-bottom: 0.25rem;
}

.ufs-transport-value {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--ufs-text-dark);
}

/* Transport Info Grid */
.ufs-transport-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--ufs-border);
}

.ufs-transport-info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.375rem;
}

.ufs-transport-info-item svg {
    color: var(--ufs-primary);
    flex-shrink: 0;
}

.ufs-transport-info-item span {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ufs-text-dark);
}

/* Transport Notes */
.ufs-transport-notes {
    background: var(--ufs-bg-gray);
    padding: 0.75rem;
    border-radius: 0.375rem;
    border: none;
}

.ufs-transport-notes .ufs-transport-label {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--ufs-primary);
}

.ufs-transport-notes .ufs-transport-value {
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 767px) {
    .ufs-transport-card {
        padding: 1rem;
    }

    .ufs-transport-card .ufs-transport-header {
        margin: -1rem -1rem 1rem -1rem;
        padding: 0.875rem 1rem;
    }

    .ufs-transport-university {
        font-size: 1.125rem;
    }

    .ufs-transport-info-grid {
        grid-template-columns: repeat(1, 1fr);
    }

    .ufs-transport-info-item {
        flex-direction: row;
        justify-content: flex-start;
        text-align: left;
    }
}