/* ==========================================================================
   PROFESSIONAL FACT CHECK APP - DESIGN SYSTEM
   ========================================================================== */

/* CSS Variables for consistent theming */
:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    
    --secondary-color: #64748b;
    --secondary-dark: #475569;
    --secondary-light: #94a3b8;
    
    --success-color: #059669;
    --success-light: #10b981;
    --warning-color: #d97706;
    --warning-light: #f59e0b;
    --danger-color: #dc2626;
    --danger-light: #ef4444;
    --info-color: #0ea5e9;
    --info-light: #38bdf8;
    
    --neutral-25: #fcfcfd;
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-base: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    background-color: var(--neutral-50) !important;
    color: var(--neutral-800) !important;
    line-height: 1.6 !important;
    font-size: var(--font-size-base) !important;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.navbar {
    background: white !important;
    box-shadow: var(--shadow-sm) !important;
    border-bottom: 1px solid var(--neutral-200) !important;
    padding: var(--spacing-md) 0 !important;
}

.navbar-brand {
    font-weight: 700 !important;
    font-size: var(--font-size-xl) !important;
    color: var(--neutral-900) !important;
    text-decoration: none !important;
}

.navbar-brand:hover {
    color: var(--primary-color) !important;
}

.nav-link {
    font-weight: 500 !important;
    color: var(--neutral-600) !important;
    transition: var(--transition-fast) !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    border-radius: var(--radius-base) !important;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    background-color: var(--neutral-100) !important;
}

.nav-link.active {
    color: var(--primary-color) !important;
    background-color: var(--neutral-100) !important;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    font-weight: 500 !important;
    border-radius: var(--radius-base) !important;
    transition: var(--transition-fast) !important;
    border: none !important;
    font-size: var(--font-size-sm) !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: var(--spacing-xs) !important;
}

.btn-primary {
    background-color: var(--primary-color) !important;
    color: white !important;
    box-shadow: var(--shadow-sm) !important;
}

.btn-primary:hover {
    background-color: var(--primary-dark) !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-1px) !important;
}

.btn-secondary {
    background-color: var(--neutral-100) !important;
    color: var(--neutral-700) !important;
    box-shadow: var(--shadow-sm) !important;
}

.btn-secondary:hover {
    background-color: var(--neutral-200) !important;
    color: var(--neutral-800) !important;
    transform: translateY(-1px) !important;
}

.btn-success {
    background-color: var(--success-color) !important;
    color: white !important;
    box-shadow: var(--shadow-sm) !important;
}

.btn-success:hover {
    background-color: var(--success-light) !important;
    transform: translateY(-1px) !important;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    font-size: var(--font-size-xs) !important;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl) !important;
    font-size: var(--font-size-lg) !important;
}

/* ==========================================================================
   FORMS
   ========================================================================== */

.form-control,
.form-select {
    border: 1px solid var(--neutral-300) !important;
    border-radius: var(--radius-base) !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    font-size: var(--font-size-base) !important;
    transition: var(--transition-fast) !important;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1) !important;
    outline: none !important;
}

.form-label {
    font-weight: 500 !important;
    color: var(--neutral-700) !important;
    margin-bottom: var(--spacing-xs) !important;
}

/* Form Floating - Bootstrap floating labels fixes */
.form-floating > .form-control,
.form-floating > .form-select {
    height: calc(3.5rem + 2px) !important;
    line-height: 1.25 !important;
    padding: 1rem 0.75rem 0.25rem 0.75rem !important;
}

.form-floating > .form-control-lg,
.form-floating > .form-select-lg {
    height: calc(4rem + 2px) !important;
    padding: 1.2rem 1rem 0.3rem 1rem !important;
    font-size: 1.1rem !important;
}

.form-floating > label {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    height: 100% !important;
    padding: 1rem 0.75rem !important;
    pointer-events: none !important;
    border: 1px solid transparent !important;
    transform-origin: 0 0 !important;
    transition: opacity 0.1s ease-in-out, transform 0.1s ease-in-out !important;
    color: var(--neutral-500) !important;
    font-size: var(--font-size-base) !important;
}

.form-floating > .form-control-lg ~ label,
.form-floating > .form-select-lg ~ label {
    padding: 1.2rem 1rem !important;
    font-size: 1.1rem !important;
}

/* Active/focused state for floating labels */
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label,
.form-floating > .form-control-plaintext ~ label {
    opacity: 0.65 !important;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem) !important;
    color: var(--primary-color) !important;
}

.form-floating > .form-control-lg:focus ~ label,
.form-floating > .form-control-lg:not(:placeholder-shown) ~ label,
.form-floating > .form-select-lg ~ label {
    transform: scale(0.85) translateY(-0.6rem) translateX(0.15rem) !important;
}

/* Ensure proper z-index for labels */
.form-floating > label {
    z-index: 2 !important;
}

.form-floating > .form-control,
.form-floating > .form-select {
    z-index: 1 !important;
}

/* Fix for select options visibility */
.form-floating > .form-select {
    padding-top: 1.625rem !important;
    padding-bottom: 0.625rem !important;
}

.form-floating > .form-select-lg {
    padding-top: 1.875rem !important;
    padding-bottom: 0.725rem !important;
}

/* Additional improvements for floating forms */
.form-floating {
    position: relative !important;
}

/* Prevent label overlap with content */
.form-floating > .form-control::placeholder {
    color: transparent !important;
}

.form-floating > .form-control:focus::placeholder {
    color: transparent !important;
}

/* Improve select dropdown behavior */
.form-floating > .form-select option {
    color: var(--neutral-800) !important;
    background-color: white !important;
}

/* Better visual separation between label and content */
.form-floating > .form-control:focus,
.form-floating > .form-select:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1) !important;
}

/* Ensure labels don't interfere with user interaction */
.form-floating > label {
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
}

/* ==========================================================================
   CARDS & LAYOUTS
   ========================================================================== */

.card {
    background: white !important;
    border: 1px solid var(--neutral-200) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-sm) !important;
    transition: var(--transition-base) !important;
    overflow: hidden !important;
}

.card:hover {
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-2px) !important;
}

.card-body {
    padding: var(--spacing-xl) !important;
}

.card-header {
    background-color: var(--neutral-50) !important;
    border-bottom: 1px solid var(--neutral-200) !important;
    padding: var(--spacing-lg) var(--spacing-xl) !important;
    font-weight: 600 !important;
    color: var(--neutral-800) !important;
}

.card-footer {
    background-color: var(--neutral-50) !important;
    border-top: 1px solid var(--neutral-200) !important;
    padding: var(--spacing-md) var(--spacing-xl) !important;
}

/* ==========================================================================
   FACT CHECK SPECIFIC COMPONENTS
   ========================================================================== */

/* Fact Check Card */
.fact-check-card {
    margin-bottom: var(--spacing-xl) !important;
    border-left: 4px solid var(--primary-color) !important;
}

.fact-check-card .card-body {
    padding: var(--spacing-2xl) !important;
}

/* Claim Section */
.claim-section {
    background-color: var(--neutral-50) !important;
    border-radius: var(--radius-md) !important;
    padding: var(--spacing-xl) !important;
    margin-bottom: var(--spacing-xl) !important;
    border: 1px solid var(--neutral-200) !important;
}

.claim-title {
    color: var(--neutral-800) !important;
    font-size: var(--font-size-lg) !important;
    font-weight: 600 !important;
    margin-bottom: var(--spacing-md) !important;
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-sm) !important;
}

.claim-text {
    font-size: var(--font-size-lg) !important;
    font-weight: 500 !important;
    color: var(--neutral-900) !important;
    line-height: 1.7 !important;
    margin-bottom: var(--spacing-lg) !important;
}

.claim-meta {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: var(--spacing-lg) !important;
    font-size: var(--font-size-sm) !important;
    color: var(--neutral-600) !important;
}

.claim-meta-item {
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-xs) !important;
}

.claim-meta-item i {
    color: var(--primary-color) !important;
}

/* Reviews Section */
.reviews-section {
    margin-top: var(--spacing-2xl) !important;
}

.reviews-title {
    font-size: var(--font-size-xl) !important;
    font-weight: 600 !important;
    color: var(--neutral-800) !important;
    margin-bottom: var(--spacing-lg) !important;
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-sm) !important;
}

.review-card {
    background: white !important;
    border: 1px solid var(--neutral-200) !important;
    border-radius: var(--radius-md) !important;
    padding: var(--spacing-xl) !important;
    height: 100% !important;
    transition: var(--transition-base) !important;
}

.review-card:hover {
    border-color: var(--primary-color) !important;
    box-shadow: var(--shadow-md) !important;
}

.review-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
    margin-bottom: var(--spacing-lg) !important;
}

.publisher-info h6 {
    font-weight: 600 !important;
    color: var(--neutral-800) !important;
    margin-bottom: var(--spacing-xs) !important;
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-xs) !important;
}

.publisher-site {
    font-size: var(--font-size-xs) !important;
    color: var(--neutral-500) !important;
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-xs) !important;
}

.review-title {
    font-size: var(--font-size-base) !important;
    font-weight: 500 !important;
    color: var(--neutral-800) !important;
    line-height: 1.5 !important;
    margin-bottom: var(--spacing-lg) !important;
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: unset !important;
}

.review-meta {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--spacing-sm) !important;
    margin-bottom: var(--spacing-lg) !important;
}

.review-meta-item {
    font-size: var(--font-size-sm) !important;
    color: var(--neutral-600) !important;
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-xs) !important;
}

/* Rating Badges */
.rating-badge {
    font-size: var(--font-size-xs) !important;
    font-weight: 600 !important;
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    border-radius: var(--radius-sm) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    border: none !important;
    white-space: nowrap !important;
    display: inline-flex !important;
    align-items: center !important;
    min-width: 70px !important;
    justify-content: center !important;
    cursor: help !important;
}

.rating-false {
    background-color: var(--danger-color) !important;
    color: white !important;
}

.rating-true {
    background-color: var(--success-color) !important;
    color: white !important;
}

.rating-mixture {
    background-color: var(--warning-color) !important;
    color: white !important;
}

.rating-unproven {
    background-color: var(--neutral-500) !important;
    color: white !important;
}

/* ==========================================================================
   PAGE HEADERS
   ========================================================================== */

.page-header {
    background: white !important;
    border-bottom: 1px solid var(--neutral-200) !important;
    padding: var(--spacing-2xl) 0 !important;
    margin-bottom: var(--spacing-2xl) !important;
}

.page-title {
    font-size: var(--font-size-3xl) !important;
    font-weight: 700 !important;
    color: var(--neutral-900) !important;
    margin-bottom: var(--spacing-sm) !important;
}

.page-subtitle {
    font-size: var(--font-size-lg) !important;
    color: var(--neutral-600) !important;
    margin-bottom: var(--spacing-lg) !important;
}

.breadcrumb {
    background: none !important;
    padding: 0 !important;
    margin-bottom: var(--spacing-lg) !important;
}

.breadcrumb-item {
    font-size: var(--font-size-sm) !important;
}

.breadcrumb-item a {
    color: var(--neutral-600) !important;
    text-decoration: none !important;
    transition: var(--transition-fast) !important;
}

.breadcrumb-item a:hover {
    color: var(--primary-color) !important;
}

.breadcrumb-item.active {
    color: var(--neutral-800) !important;
}

/* ==========================================================================
   ALERTS & MESSAGES
   ========================================================================== */

.alert {
    border: 1px solid !important;
    border-radius: var(--radius-base) !important;
    padding: var(--spacing-md) !important;
    font-weight: 500 !important;
}

.alert-info {
    background-color: rgb(37 99 235 / 0.05) !important;
    border-color: var(--primary-light) !important;
    color: var(--primary-dark) !important;
}

.alert-danger {
    background-color: rgb(220 38 38 / 0.05) !important;
    border-color: var(--danger-light) !important;
    color: var(--danger-color) !important;
}

.alert-warning {
    background-color: rgb(217 119 6 / 0.05) !important;
    border-color: var(--warning-light) !important;
    color: var(--warning-color) !important;
}

/* ==========================================================================
   TABLES
   ========================================================================== */

.table {
    background: white !important;
    border-radius: var(--radius-lg) !important;
    overflow: hidden !important;
    box-shadow: var(--shadow-sm) !important;
    border: 1px solid var(--neutral-200) !important;
}

.table thead th {
    background-color: var(--neutral-50) !important;
    color: var(--neutral-800) !important;
    border: none !important;
    font-weight: 600 !important;
    padding: var(--spacing-lg) !important;
    font-size: var(--font-size-sm) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
}

.table tbody td {
    padding: var(--spacing-lg) !important;
    border-top: 1px solid var(--neutral-200) !important;
    vertical-align: middle !important;
}

.table tbody tr:hover {
    background-color: var(--neutral-50) !important;
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

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

.fade-in-up {
    animation: fadeInUp 0.5s ease-out forwards;
}

/* ==========================================================================
   UTILITIES
   ========================================================================== */

.text-muted {
    color: var(--neutral-500) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

.bg-light {
    background-color: var(--neutral-50) !important;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 768px) {
    .card-body {
        padding: var(--spacing-lg) !important;
    }
    
    .fact-check-card .card-body {
        padding: var(--spacing-lg) !important;
    }
    
    .claim-section {
        padding: var(--spacing-lg) !important;
    }
    
    .review-card {
        padding: var(--spacing-lg) !important;
    }
    
    .page-header {
        padding: var(--spacing-lg) 0 !important;
    }
    
    .page-title {
        font-size: var(--font-size-2xl) !important;
    }
    
    .claim-meta {
        flex-direction: column !important;
        gap: var(--spacing-sm) !important;
    }
    
    .btn {
        width: 100% !important;
        justify-content: center !important;
        margin-bottom: var(--spacing-sm) !important;
    }
    
    .review-header {
        flex-direction: column !important;
        gap: var(--spacing-md) !important;
        align-items: flex-start !important;
    }
    
    /* Mobile adjustments for floating forms */
    .form-floating > .form-control-lg,
    .form-floating > .form-select-lg {
        height: calc(3.5rem + 2px) !important;
        padding: 1rem 0.75rem 0.25rem 0.75rem !important;
        font-size: 1rem !important;
    }
    
    .form-floating > .form-control-lg ~ label,
    .form-floating > .form-select-lg ~ label {
        padding: 1rem 0.75rem !important;
        font-size: 1rem !important;
    }
    
    .form-floating > .form-control-lg:focus ~ label,
    .form-floating > .form-control-lg:not(:placeholder-shown) ~ label,
    .form-floating > .form-select-lg ~ label {
        transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem) !important;
    }
}

@media (max-width: 576px) {
    .rating-badge {
        font-size: 0.65rem !important;
        padding: 0.25rem 0.5rem !important;
        min-width: 60px !important;
    }
}

/* ==========================================================================
   NO RESULTS & EMPTY STATES
   ========================================================================== */

.empty-state {
    text-align: center !important;
    padding: var(--spacing-2xl) !important;
    background: white !important;
    border-radius: var(--radius-lg) !important;
    border: 1px solid var(--neutral-200) !important;
}

.empty-state-icon {
    font-size: 4rem !important;
    color: var(--neutral-300) !important;
    margin-bottom: var(--spacing-lg) !important;
}

.empty-state h3 {
    color: var(--neutral-800) !important;
    font-weight: 600 !important;
    margin-bottom: var(--spacing-md) !important;
}

.empty-state p {
    color: var(--neutral-600) !important;
    font-size: var(--font-size-lg) !important;
    margin-bottom: var(--spacing-xl) !important;
}

/* ==========================================================================
   LOADING STATES
   ========================================================================== */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--neutral-200);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ==========================================================================
   TOOLTIPS
   ========================================================================== */

.tooltip {
    font-size: var(--font-size-sm) !important;
}

.tooltip-inner {
    background-color: var(--neutral-800) !important;
    color: white !important;
    border-radius: var(--radius-base) !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    max-width: 250px !important;
    text-align: center !important;
    font-weight: 500 !important;
}

/* ==========================================================================
   TRANSLATION SECTIONS
   ========================================================================== */

.translation-section {
    border-radius: var(--radius-base) !important;
    transition: all 0.3s ease !important;
    background: linear-gradient(135deg, var(--neutral-25) 0%, var(--neutral-50) 100%) !important;
}

.translation-section:hover {
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.1) !important;
    border-left-color: var(--primary-color) !important;
}

.translation-text {
    font-size: var(--font-size-base) !important;
    line-height: 1.6 !important;
    color: var(--neutral-700) !important;
    margin: 0 !important;
}

.translation-icon {
    color: var(--info-color) !important;
    opacity: 0.8 !important;
    transition: opacity 0.3s ease !important;
}

.translation-icon:hover {
    opacity: 1 !important;
}

.translation-section small {
    color: var(--neutral-500) !important;
    font-weight: 600 !important;
}

@media (max-width: 768px) {
    .translation-section {
        padding: var(--spacing-md) !important;
    }
    
    .translation-text {
        font-size: var(--font-size-sm) !important;
    }
}

/* ==========================================================================
   PROVIDER ACCORDION
   ========================================================================== */

.providers-accordion {
    border-radius: var(--radius-lg) !important;
}

.provider-section {
    margin-bottom: var(--spacing-md) !important;
}

.provider-header {
    background: linear-gradient(135deg, var(--neutral-50) 0%, var(--neutral-100) 100%) !important;
    border: 1px solid var(--neutral-200) !important;
    border-radius: var(--radius-base) !important;
    transition: all var(--transition-base) !important;
    text-align: left !important;
    position: relative !important;
    overflow: hidden !important;
}

.provider-header:hover {
    background: linear-gradient(135deg, var(--neutral-100) 0%, var(--neutral-200) 100%) !important;
    border-color: var(--primary-color) !important;
    transform: translateY(-1px) !important;
    box-shadow: var(--shadow-md) !important;
}

.provider-header:focus {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2) !important;
    border-color: var(--primary-color) !important;
}

.provider-header[aria-expanded="true"] {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    color: white !important;
    border-color: var(--primary-color) !important;
}

.provider-header[aria-expanded="true"] .provider-icon {
    transform: scale(1.1) !important;
}

.provider-header[aria-expanded="true"] .bi-chevron-down {
    transform: rotate(180deg) !important;
}

.provider-icon {
    font-size: 1.5rem !important;
    transition: transform var(--transition-base) !important;
    display: inline-block !important;
}

.provider-models {
    border: 1px solid var(--neutral-200) !important;
    border-top: none !important;
    border-radius: 0 0 var(--radius-base) var(--radius-base) !important;
    background: var(--neutral-25) !important;
    margin-top: -2px !important;
}

.provider-models .form-check {
    background: white !important;
    border-radius: var(--radius-sm) !important;
    border: 1px solid var(--neutral-200) !important;
    padding: var(--spacing-md) !important;
    margin-bottom: var(--spacing-sm) !important;
    transition: all var(--transition-fast) !important;
}

.provider-models .form-check:hover {
    border-color: var(--primary-color) !important;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1) !important;
    transform: translateY(-1px) !important;
}

.provider-models .form-check:has(.form-check-input:checked) {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
}

.provider-models .form-check:has(.form-check-input:checked) .badge {
    background: rgba(255, 255, 255, 0.2) !important;
    color: white !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
}

.provider-models .form-check-input {
    transform: scale(1.2) !important;
    margin-top: 2px !important;
}

.provider-models .form-check-label {
    cursor: pointer !important;
    user-select: none !important;
}

.provider-models .badge {
    font-size: 0.7rem !important;
    padding: 0.25rem 0.5rem !important;
    font-weight: 500 !important;
    border-radius: var(--radius-sm) !important;
}

.bi-chevron-down {
    transition: transform var(--transition-base) !important;
}

/* Provider-specific colors */
.provider-section:nth-child(1) .provider-header:hover {
    border-color: #10b981 !important; /* OpenAI green */
}

.provider-section:nth-child(2) .provider-header:hover {
    border-color: #0ea5e9 !important; /* DeepSeek blue */
}

.provider-section:nth-child(3) .provider-header:hover {
    border-color: #f59e0b !important; /* Grok yellow */
}

.provider-section:nth-child(4) .provider-header:hover {
    border-color: #3b82f6 !important; /* Google blue */
}

.provider-section:nth-child(5) .provider-header:hover {
    border-color: #6b7280 !important; /* Anthropic gray */
}

/* Badge styles for better visibility */
.badge.bg-purple {
    background-color: #8b5cf6 !important;
    color: white !important;
}

@media (max-width: 768px) {
    .provider-header {
        padding: var(--spacing-md) !important;
    }
    
    .provider-icon {
        font-size: 1.3rem !important;
    }
    
    .provider-models .form-check {
        padding: var(--spacing-sm) !important;
    }
    
    .provider-models .badge {
        font-size: 0.6rem !important;
        padding: 0.2rem 0.4rem !important;
    }
}