/**
 * MecaBuddy - Stylesheet Principal
 * Design mobile-first, moderne et accessible
 * 
 * Palette de couleurs :
 * - Primary: #FF6B35 (Orange mécanique)
 * - Secondary: #1A1A2E (Bleu nuit profond)
 * - Accent: #16213E (Bleu pétrole)
 * - Success: #00D9A5
 * - Warning: #FFB800
 * - Danger: #FF4757
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Couleurs principales */
    --color-primary: #FF6B35;
    --color-primary-dark: #E55A2B;
    --color-primary-light: #FF8F66;
    --color-primary-glow: rgba(255, 107, 53, 0.3);
    
    /* Couleurs secondaires */
    --color-secondary: #1A1A2E;
    --color-secondary-light: #252542;
    --color-accent: #16213E;
    
    /* Couleurs d'état */
    --color-success: #00D9A5;
    --color-success-bg: rgba(0, 217, 165, 0.1);
    --color-warning: #FFB800;
    --color-warning-bg: rgba(255, 184, 0, 0.1);
    --color-danger: #FF4757;
    --color-danger-bg: rgba(255, 71, 87, 0.1);
    --color-info: #3B82F6;
    
    /* Neutres */
    --color-white: #FFFFFF;
    --color-black: #0A0A0F;
    --color-gray-100: #F8F9FA;
    --color-gray-200: #E9ECEF;
    --color-gray-300: #DEE2E6;
    --color-gray-400: #CED4DA;
    --color-gray-500: #ADB5BD;
    --color-gray-600: #6C757D;
    --color-gray-700: #495057;
    --color-gray-800: #343A40;
    --color-gray-900: #212529;
    
    /* Texte */
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --text-dark: #1A1A2E;
    
    /* Typographie */
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Tailles de texte */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* Espacements */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    /* Rayons de bordure */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px var(--color-primary-glow);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-toast: 400;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 50%, var(--color-secondary) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(0, 217, 165, 0.05) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-light);
}

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   BARRE AUTH DÉMO
   ============================================ */
.demo-auth-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem 1rem;
    padding: 0.4rem 1rem;
    font-size: 0.78rem;
    background: rgba(37, 99, 235, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary, #a0aec0);
}

.demo-auth-bar strong {
    color: var(--text-primary, #fff);
}

.demo-auth-llm-mode {
    font-size: 0.72rem;
    opacity: 0.85;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.06);
}

.demo-auth-gemini-limits {
    font-size: 0.72rem;
    opacity: 0.9;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    background: rgba(255, 107, 53, 0.12);
    color: var(--text-secondary, #a0aec0);
}

/* Menu compte (bandeau démo) */
.account-menu {
    position: relative;
    margin-left: auto;
    flex-shrink: 0;
}

.account-menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    white-space: nowrap;
    cursor: pointer;
}

.account-menu-toggle[aria-expanded="true"] .account-menu-chevron {
    transform: rotate(180deg);
}

.account-menu-chevron {
    font-size: 0.65rem;
    opacity: 0.75;
    line-height: 1;
    transition: transform 0.15s ease;
}

.account-menu-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 12.5rem;
    padding: 0.35rem 0;
    border-radius: var(--radius-md, 8px);
    background: var(--surface, #1e2130);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
    z-index: calc(var(--z-sticky) + 10);
}

.account-menu-dropdown[hidden] {
    display: none !important;
}

.account-menu-item {
    display: block;
    width: 100%;
    padding: 0.55rem 1rem;
    font-size: 0.8rem;
    font-weight: 500;
    text-align: left;
    color: var(--text-primary, #fff);
    text-decoration: none;
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: inherit;
    line-height: 1.35;
}

.account-menu-item:hover,
.account-menu-item:focus-visible {
    background: rgba(255, 255, 255, 0.08);
    outline: none;
}

.account-menu-item:focus-visible {
    box-shadow: inset 0 0 0 2px rgba(37, 99, 235, 0.55);
}

.account-menu-item + .account-menu-item {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

button.account-menu-item {
    color: #f87171;
}

button.account-menu-item:hover,
button.account-menu-item:focus-visible {
    background: rgba(248, 113, 113, 0.12);
}

body.page-login .main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 120px);
    padding-top: 1rem;
}

body.page-login .page-header {
    text-align: center;
    margin-bottom: 1rem;
}

body.page-login .nav-container {
    justify-content: center;
}

@media (max-width: 640px) {
    .demo-auth-bar {
        font-size: 0.72rem;
        gap: 0.35rem 0.65rem;
    }
    .account-menu {
        margin-left: 0;
        width: 100%;
    }

    .account-menu-toggle {
        width: 100%;
        justify-content: center;
    }

    .account-menu-dropdown {
        left: 0;
        right: 0;
        min-width: 0;
    }
}

/* ============================================
   NAVIGATION
   ============================================ */
.main-nav {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 700;
    font-size: var(--text-xl);
    color: var(--text-primary);
}

.logo-icon {
    font-size: var(--text-2xl);
    animation: wrenchWiggle 2s ease-in-out infinite;
}

@keyframes wrenchWiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-10deg); }
    75% { transform: rotate(10deg); }
}

.logo-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    background: transparent;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

.nav-links {
    display: none;
    list-style: none;
    gap: var(--space-1);
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
    background: rgba(255, 107, 53, 0.1);
}

.nav-links a.active {
    color: var(--color-primary);
}

.nav-icon {
    font-size: var(--text-lg);
}

/* Desktop navigation */
@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
    
    .nav-links {
        display: flex;
    }
}

/* Mobile navigation open */
.nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.98);
    padding: var(--space-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-6) var(--space-4);
    min-height: calc(100vh - 200px);
}

/* ============================================
   HERO SECTION (Home)
   ============================================ */
.hero-section {
    text-align: center;
    padding: var(--space-12) 0 var(--space-8);
}

.buddy-avatar {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    margin-bottom: var(--space-6);
}

.avatar-emoji {
    font-size: 4rem;
    position: relative;
    z-index: 1;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.avatar-pulse {
    position: absolute;
    inset: 0;
    background: var(--color-primary-glow);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 0.3; }
}

.hero-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.hero-title .highlight {
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--text-5xl);
    }
    
    .buddy-avatar {
        width: 150px;
        height: 150px;
    }
    
    .avatar-emoji {
        font-size: 5rem;
    }
}

/* ============================================
   VEHICLE CARD (Home)
   ============================================ */
.vehicle-card-section {
    margin-bottom: var(--space-8);
}

.current-vehicle-card {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.15) 0%, rgba(255, 107, 53, 0.05) 100%);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    max-width: 400px;
    margin: 0 auto;
}

.vehicle-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.vehicle-icon {
    font-size: var(--text-xl);
}

.vehicle-card-body {
    margin-bottom: var(--space-4);
}

.vehicle-name {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.year-badge {
    display: inline-block;
    font-size: var(--text-sm);
    padding: var(--space-1) var(--space-3);
    margin-bottom: var(--space-2);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-secondary);
}

.vehicle-details {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.detail-chip {
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--surface-alt, rgba(255, 255, 255, 0.08));
    color: var(--text-secondary, #aaa);
    white-space: nowrap;
}

.vehicle-details span {
    padding: var(--space-1) var(--space-3);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.btn-change-vehicle {
    width: 100%;
    padding: var(--space-3);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.btn-change-vehicle:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Garage preview (accueil) */
.garage-preview-section .garage-preview-card {
    max-width: min(960px, 100%);
}

.garage-preview {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.garage-preview-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
    width: 100%;
}

.garage-preview-vehicle-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    min-height: 168px;
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.garage-preview-vehicle-card--empty {
    align-items: center;
    justify-content: center;
    text-align: center;
    border-style: dashed;
    opacity: 0.85;
}

.garage-preview-vehicle-head {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
}

.garage-preview-vehicle-icon {
    font-size: var(--text-xl);
    line-height: 1.2;
    flex-shrink: 0;
}

.garage-preview-vehicle-name {
    font-weight: 600;
    font-size: var(--text-sm);
    line-height: 1.35;
    word-break: break-word;
}

.garage-preview-slot-hint {
    margin: 0;
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

.garage-preview-add-link {
    width: 100%;
}

.garage-preview-specs {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.garage-preview-spec {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-2);
    font-size: var(--text-xs);
}

.garage-preview-spec-label {
    color: var(--text-secondary);
    font-weight: 500;
    flex-shrink: 0;
}

.garage-preview-spec-value {
    text-align: right;
    font-weight: 500;
    color: var(--text-primary);
    word-break: break-word;
}

.btn-garage-manage {
    width: 100%;
    margin-top: 0;
}

@media (max-width: 720px) {
    .garage-preview-grid {
        grid-template-columns: 1fr;
    }

    .garage-preview-vehicle-card {
        min-height: auto;
    }
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

/* ============================================
   GARAGE PAGE
   ============================================ */
.garage-section-title,
.garage-list-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.garage-slots-section {
    margin-bottom: var(--space-8);
}

.slots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

@media (max-width: 768px) {
    .slots-grid {
        grid-template-columns: 1fr;
    }
}

.slot-card {
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 16px;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: border-color 0.2s;
}

.slot-card.occupied {
    border-style: solid;
    border-color: var(--color-primary, #f97316);
}

.slot-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.slot-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-3);
}

.slot-empty-hint {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin: 0;
}

.slot-vehicle {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
}

.slot-vehicle-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.garage-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.garage-header #garage-count {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--text-secondary);
}

.garage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.garage-empty {
    text-align: center;
    color: var(--text-muted);
    padding: var(--space-8);
}

.garage-card {
    background: var(--color-secondary-light, #1a1d2e);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: border-color 0.2s;
}

.garage-card.active {
    border-color: var(--color-primary, #f97316);
}

.garage-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.garage-card-title {
    font-weight: 600;
    flex: 1;
    min-width: 0;
}

.garage-card-details {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.garage-card-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-top: auto;
}

a.btn-edit-vehicle {
    position: relative;
    z-index: 2;
    text-decoration: none;
}

.garage-seed-hint {
    font-size: var(--text-xs, 0.75rem);
    color: var(--text-muted, #888);
    font-style: italic;
}

.slot-assign {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.active-badge {
    background: var(--color-primary, #f97316);
    color: #fff;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 999px;
    font-weight: 600;
}

.btn-slot {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    color: var(--text-primary, #fff);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
    transition: all 0.15s;
}

.btn-slot:hover:not(:disabled) {
    background: var(--color-primary, #f97316);
    border-color: var(--color-primary, #f97316);
}

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

.btn-delete-vehicle {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.15s;
    font-size: 1rem;
    padding: var(--space-1);
}

.btn-delete-vehicle:hover {
    opacity: 1;
}

a.btn.disabled {
    pointer-events: none;
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   MAIN ACTIONS (Home)
   ============================================ */
.main-actions {
    margin-bottom: var(--space-12);
}

.actions-grid {
    display: grid;
    gap: var(--space-4);
}

.action-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    text-decoration: none;
}

.action-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 107, 53, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.action-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: var(--text-3xl);
}

.action-vehicle .action-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.action-tutorial .action-icon {
    background: linear-gradient(135deg, rgba(0, 217, 165, 0.2) 0%, rgba(0, 217, 165, 0.05) 100%);
}

.action-diagnostic .action-icon {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.2) 0%, rgba(255, 107, 53, 0.05) 100%);
}

.action-content {
    flex: 1;
    min-width: 0;
}

.action-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.action-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.4;
}

.action-arrow {
    flex-shrink: 0;
    font-size: var(--text-xl);
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.action-card:hover .action-arrow {
    transform: translateX(4px);
    color: var(--color-primary);
}

@media (min-width: 768px) {
    .actions-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .action-card {
        flex-direction: column;
        text-align: center;
        padding: var(--space-8);
    }
    
    .action-icon {
        width: 80px;
        height: 80px;
        font-size: var(--text-4xl);
    }
    
    .action-arrow {
        display: none;
    }
}

/* ============================================
   FEATURES SECTION (Home)
   ============================================ */
.features-section {
    text-align: center;
}

.section-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-bottom: var(--space-8);
}

.features-grid {
    display: grid;
    gap: var(--space-4);
}

.feature-card {
    padding: var(--space-6);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-xl);
}

.feature-icon {
    font-size: var(--text-3xl);
    display: block;
    margin-bottom: var(--space-3);
}

.feature-card h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.feature-card p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.page-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.title-icon {
    font-size: var(--text-3xl);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: var(--text-lg);
}

@media (min-width: 768px) {
    .page-title {
        font-size: var(--text-4xl);
    }
}

/* ============================================
   VEHICLE SELECTION PAGE
   ============================================ */
.vehicle-selection-container {
    max-width: 600px;
    margin: 0 auto;
}

.selection-section {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.section-header h2 {
    font-size: var(--text-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.section-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-size: var(--text-sm);
    font-weight: 700;
}

.section-badge {
    padding: var(--space-1) var(--space-3);
    background: var(--color-success-bg);
    color: var(--color-success);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
}

/* License plate input */
.license-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.license-plate-input {
    display: flex;
    justify-content: center;
}

.plate-visual {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-white);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    border: 3px solid var(--color-primary);
}

.plate-country {
    font-weight: 700;
    color: var(--color-primary);
    font-size: var(--text-xl);
}

.plate-input {
    width: 150px;
    padding: var(--space-2);
    font-size: var(--text-xl);
    font-weight: 700;
    font-family: var(--font-mono);
    text-align: center;
    text-transform: uppercase;
    color: var(--text-dark);
    background: transparent;
    border: none;
    outline: none;
}

.plate-input::placeholder {
    color: var(--color-gray-400);
    font-weight: 400;
}

/* Lookup result */
.lookup-result {
    margin-top: var(--space-4);
}

.lookup-card {
    background: var(--color-success-bg);
    border: 1px solid var(--color-success);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}

.lookup-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: var(--color-success);
    margin-bottom: var(--space-4);
}

.lookup-icon {
    font-size: var(--text-xl);
}

.lookup-vehicle-name {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.lookup-vehicle-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.lookup-vehicle-details .detail {
    padding: var(--space-1) var(--space-2);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
}

.lookup-plate {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

/* Section divider */
.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: var(--space-6) 0;
}

.section-divider span {
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-weight: 500;
}

/* Manual form */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 500;
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
}

.label-icon {
    font-size: var(--text-lg);
}

.form-select {
    width: 100%;
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-base);
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
}

.form-select:hover:not(:disabled) {
    border-color: rgba(255, 255, 255, 0.3);
}

.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-select option {
    background: var(--color-secondary);
    color: var(--text-primary);
}

/* Véhicule préparé / modifié — formulaire vehicle.php */
.vehicle-modified-group {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.vehicle-modified-group .checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0;
}

.vehicle-modified-group .checkbox-label input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.vehicle-modification-notes-wrap {
    margin-top: var(--space-2);
}

.vehicle-modification-notes-wrap .form-label {
    color: var(--text-secondary);
}

.vehicle-modification-notes-wrap .form-input,
.vehicle-modification-notes-wrap textarea {
    display: block;
    width: 100%;
    min-height: 5.5rem;
    padding: var(--space-4);
    background: rgba(15, 23, 42, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-base);
    line-height: 1.5;
    resize: vertical;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.vehicle-modification-notes-wrap .form-input:hover:not(:focus),
.vehicle-modification-notes-wrap textarea:hover:not(:focus) {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(15, 23, 42, 0.85);
}

.vehicle-modification-notes-wrap .form-input:focus,
.vehicle-modification-notes-wrap textarea:focus {
    outline: none;
    border-color: rgba(255, 107, 53, 0.65);
    box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.18);
    background: rgba(15, 23, 42, 0.88);
}

.vehicle-modification-notes-wrap .form-input::placeholder,
.vehicle-modification-notes-wrap textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.85;
}

.vehicle-modification-counter {
    font-size: var(--text-xs, 0.75rem);
    color: var(--text-muted);
    margin-top: var(--space-2);
    margin-bottom: 0;
}

/* Advanced options */
.advanced-options {
    margin-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-4);
}

.advanced-toggle {
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.advanced-toggle:hover {
    color: var(--text-primary);
}

.advanced-content {
    margin-top: var(--space-4);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-ghost:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: rgba(255, 107, 53, 0.08);
}

.chat-vehicle-banner-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-2);
    margin-right: var(--space-2);
}

.tutorial-change-vehicle {
    margin-bottom: var(--space-4);
}

.btn-icon {
    font-size: var(--text-lg);
}

.btn-lookup,
.btn-save {
    width: 100%;
}

.vehicle-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: stretch;
}

.vehicle-form-actions .btn-save {
    width: auto;
    flex: 1 1 auto;
    min-width: 0;
}

.vehicle-form-actions .btn-save:only-child {
    width: 100%;
    flex: 1 1 100%;
}

.vehicle-form-actions .btn-secondary {
    flex: 0 0 auto;
    white-space: nowrap;
}

@media (max-width: 640px) {
    .vehicle-form-actions {
        flex-direction: column;
    }

    .vehicle-form-actions .btn-save,
    .vehicle-form-actions .btn-secondary {
        width: 100%;
    }
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--color-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    max-width: 400px;
    width: 100%;
    text-align: center;
    animation: modalSlideIn 0.3s ease;
}

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

.modal-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-5);
    border-radius: 50%;
    font-size: var(--text-3xl);
}

.modal-icon.success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.modal-content h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.saved-vehicle-info {
    margin-bottom: var(--space-6);
}

.saved-vehicle-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

.saved-icon {
    font-size: var(--text-2xl);
}

.saved-name {
    font-weight: 600;
}

.saved-year {
    color: var(--text-secondary);
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

@media (min-width: 480px) {
    .modal-actions {
        flex-direction: row;
    }
    
    .modal-actions .btn {
        flex: 1;
    }
}

/* ============================================
   TUTORIAL PAGE
   ============================================ */
.vehicle-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: rgba(0, 217, 165, 0.1);
    border: 1px solid rgba(0, 217, 165, 0.3);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    font-size: var(--text-sm);
}

.vehicle-banner.warning {
    background: rgba(255, 184, 0, 0.1);
    border-color: rgba(255, 184, 0, 0.3);
}

.vehicle-modified-alert {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    padding: var(--space-4);
    margin-bottom: var(--space-5);
    background: rgba(255, 184, 0, 0.1);
    border: 1px solid rgba(255, 184, 0, 0.35);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    line-height: 1.5;
}

.vehicle-modified-alert--chat {
    margin: var(--space-3) 0 0;
    width: 100%;
}

.vehicle-modified-alert__icon {
    flex-shrink: 0;
    font-size: var(--text-lg);
}

.vehicle-modified-alert__text {
    margin: 0;
    color: var(--text-primary, #fff);
}

.tutorial-modified-alert-host {
    margin-bottom: var(--space-5);
}

.banner-icon {
    font-size: var(--text-lg);
}

.banner-link {
    margin-left: auto;
}

/* Tutorial generator */
.tutorial-generator {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
}

.generator-form {
    margin-bottom: var(--space-6);
}

.input-group {
    margin-bottom: var(--space-4);
}

.input-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-3);
    font-size: var(--text-lg);
}

.input-wrapper {
    display: flex;
    gap: var(--space-3);
}

.input-wrapper input {
    flex: 1;
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.1);
}

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

.btn-generate {
    flex-shrink: 0;
}

@media (max-width: 480px) {
    .input-wrapper {
        flex-direction: column;
    }
    
    .btn-generate {
        width: 100%;
    }
}

/* Suggestions */
.suggestions-title {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.suggestions-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.suggestion-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.suggestion-btn:hover {
    background: rgba(255, 107, 53, 0.1);
    border-color: rgba(255, 107, 53, 0.3);
    color: var(--text-primary);
}

.suggestion-icon {
    font-size: var(--text-base);
}

/* Tutorial display */
.tutorial-display {
    margin-bottom: var(--space-8);
}

.tutorial-display.hidden {
    display: none;
}

.tutorial-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.tutorial-header {
    padding: var(--space-6);
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.02) 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.tutorial-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.danger-badge,
.difficulty-badge,
.time-badge {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.danger-badge {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.danger-badge.danger-high {
    background: rgba(255, 71, 87, 0.2);
}

.danger-badge.danger-medium {
    background: rgba(255, 184, 0, 0.2);
    color: var(--color-warning);
}

.danger-badge.danger-low {
    background: rgba(0, 217, 165, 0.2);
    color: var(--color-success);
}

.difficulty-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    text-transform: capitalize;
}

.difficulty-facile { color: var(--color-success); }
.difficulty-moyen { color: var(--color-warning); }
.difficulty-difficile { color: var(--color-danger); }
.difficulty-expert { color: #9333EA; }

.time-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.tutorial-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.tutorial-sources {
    margin: var(--space-2) 0 var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.tutorial-sources .sources-label {
    font-weight: 600;
    margin-right: var(--space-1);
}

.tutorial-sources a {
    color: var(--color-primary);
    text-decoration: none;
}

.tutorial-sources a:hover {
    text-decoration: underline;
}

.tutorial-description {
    color: var(--text-secondary);
}

.vehicle-context-badge,
.tutorial-header .llm-badge {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    line-height: 1.4;
    vertical-align: middle;
}

.vehicle-context-badge {
    margin-top: var(--space-2);
    background: rgba(59, 130, 246, 0.18);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.35);
}

.tutorial-header .llm-badge {
    margin-left: var(--space-2);
    background: rgba(255, 107, 53, 0.18);
    color: var(--color-primary-light);
    border: 1px solid rgba(255, 107, 53, 0.4);
}

.failsafe-badge {
    background: var(--color-warning-bg);
    border: 1px solid rgba(255, 184, 0, 0.4);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-warning);
    margin: var(--space-3) 0;
    line-height: 1.5;
}

.failsafe-badge strong {
    color: var(--color-warning);
}

/* Global warnings */
.global-warnings {
    padding: var(--space-4) var(--space-6);
    background: var(--color-warning-bg);
    border-bottom: 1px solid rgba(255, 184, 0, 0.2);
}

.warning-item {
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--color-warning);
}

.warning-item + .warning-item {
    border-top: 1px solid rgba(255, 184, 0, 0.1);
}

/* Encarts publicitaires tutoriel (UI only) */
.tutorial-partner-blocks {
    display: grid;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-6) var(--space-2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    align-items: stretch;
}

@media (min-width: 768px) {
    .tutorial-partner-blocks {
        grid-template-columns: 1fr 1fr;
    }
}

.tutorial-partner-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: var(--space-2);
}

.tutorial-partner-card-body {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    min-height: 0;
}

.tutorial-partner-card-actions {
    flex-shrink: 0;
    margin-top: auto;
    padding-top: var(--space-2);
}

.tutorial-partner-card--parts {
    background: linear-gradient(
        155deg,
        rgba(255, 107, 53, 0.14) 0%,
        rgba(42, 28, 22, 0.55) 42%,
        rgba(26, 26, 46, 0.92) 100%
    );
    border: 1px solid rgba(255, 159, 67, 0.32);
    box-shadow:
        0 4px 22px rgba(255, 107, 53, 0.1),
        inset 0 1px 0 rgba(255, 200, 140, 0.07);
}

.tutorial-partner-card--parts::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, rgba(255, 107, 53, 0.65), rgba(255, 159, 67, 0.15));
    pointer-events: none;
}

.tutorial-partner-card--garage {
    background: linear-gradient(
        155deg,
        rgba(99, 102, 241, 0.16) 0%,
        rgba(55, 40, 95, 0.4) 42%,
        rgba(26, 26, 46, 0.92) 100%
    );
    border: 1px solid rgba(129, 140, 248, 0.3);
    box-shadow:
        0 4px 22px rgba(99, 102, 241, 0.12),
        inset 0 1px 0 rgba(167, 139, 250, 0.07);
}

.tutorial-partner-card--garage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.6), rgba(167, 139, 250, 0.18));
    pointer-events: none;
}

.tutorial-partner-card__title {
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
}

.tutorial-partner-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-md);
    font-size: 1.15rem;
    line-height: 1;
    flex-shrink: 0;
}

.tutorial-partner-card--parts .tutorial-partner-card__icon {
    background: rgba(255, 107, 53, 0.22);
    border: 1px solid rgba(255, 159, 67, 0.28);
    box-shadow: 0 0 12px rgba(255, 107, 53, 0.15);
}

.tutorial-partner-card--garage .tutorial-partner-card__icon {
    background: rgba(99, 102, 241, 0.24);
    border: 1px solid rgba(129, 140, 248, 0.28);
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.18);
}

.tutorial-partner-card__lead {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.tutorial-partner-parts {
    list-style: none;
    margin: 0;
    padding: 0;
}

.tutorial-partner-parts li {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    padding: var(--space-1) 0;
    line-height: 1.4;
}

.tutorial-partner-parts li::before {
    content: '•';
    color: var(--color-primary);
    margin-right: var(--space-2);
}

.tutorial-partner-card--parts .tutorial-partner-parts li::before {
    color: rgba(255, 159, 67, 0.85);
}

.tutorial-partner-empty {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-style: italic;
}

.tutorial-partner-card__cta {
    align-self: flex-start;
}

.tutorial-partner-card--parts .tutorial-partner-card__cta {
    border-color: rgba(255, 159, 67, 0.38);
    background: rgba(255, 107, 53, 0.14);
    color: #ffc9a3;
}

.tutorial-partner-card--parts .tutorial-partner-card__cta:hover {
    background: rgba(255, 107, 53, 0.24);
    border-color: rgba(255, 159, 67, 0.52);
    color: #ffe2cc;
}

.tutorial-partner-card--garage .tutorial-partner-card__cta {
    border-color: rgba(129, 140, 248, 0.38);
    background: rgba(99, 102, 241, 0.14);
    color: #c7d2fe;
}

.tutorial-partner-card--garage .tutorial-partner-card__cta:hover {
    background: rgba(99, 102, 241, 0.24);
    border-color: rgba(129, 140, 248, 0.52);
    color: #e0e7ff;
}

@media (max-width: 767px) {
    .tutorial-partner-card {
        padding: var(--space-3);
    }

    .tutorial-partner-card__title {
        font-size: var(--text-sm);
    }

    .tutorial-partner-card__icon {
        width: 2rem;
        height: 2rem;
        font-size: 1rem;
    }
}

.tutorial-partner-ad-modal__content {
    text-align: center;
    max-width: 400px;
    width: calc(100% - var(--space-4));
    position: relative;
    padding: var(--space-6) var(--space-5) var(--space-5);
}

.tutorial-partner-ad-modal__close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 2rem;
    height: 2rem;
    border: none;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    z-index: 1;
}

.tutorial-partner-ad-modal__close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.tutorial-partner-ad-modal__title {
    margin: var(--space-4) 0 var(--space-3);
    padding-right: var(--space-6);
    font-size: var(--text-lg);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

.tutorial-partner-ad-modal__lead {
    margin: 0 0 var(--space-3);
    font-size: var(--text-base);
    line-height: 1.55;
    color: var(--text-primary);
    text-align: left;
}

.tutorial-partner-ad-modal__secondary {
    margin: 0 0 var(--space-5);
    font-size: var(--text-sm);
    line-height: 1.5;
    color: var(--text-secondary);
    text-align: left;
    font-style: italic;
}

.tutorial-partner-ad-modal__dismiss {
    margin: 0 auto;
}

/* Requirements */
.tutorial-requirements {
    padding: var(--space-6);
    display: grid;
    gap: var(--space-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
    .tutorial-requirements {
        grid-template-columns: 1fr 1fr;
    }
}

.tutorial-tools,
.tutorial-parts {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
}

.tutorial-tools h4,
.tutorial-parts h4 {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--text-secondary);
}

.tutorial-tools ul,
.tutorial-parts ul {
    list-style: none;
}

.tutorial-tools li,
.tutorial-parts li {
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
}

.tutorial-tools li::before,
.tutorial-parts li::before {
    content: '•';
    color: var(--color-primary);
}

/* Steps */
.tutorial-steps {
    padding: var(--space-6);
}

.steps-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-lg);
    margin-bottom: var(--space-6);
}

.tutorial-step {
    position: relative;
    padding-left: 50px;
    padding-bottom: var(--space-6);
    border-left: 2px solid rgba(255, 255, 255, 0.1);
    margin-left: 16px;
}

.tutorial-step:last-child {
    border-left-color: transparent;
}

.tutorial-step.step-danger {
    border-left-color: var(--color-danger);
}

.tutorial-step.highlight {
    animation: highlightPulse 1s ease;
}

@keyframes highlightPulse {
    0%, 100% { background: transparent; }
    50% { background: rgba(255, 107, 53, 0.1); }
}

.step-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.step-number {
    position: absolute;
    left: -17px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-weight: 700;
    font-size: var(--text-sm);
}

.step-danger .step-number {
    background: var(--color-danger);
}

.step-title {
    font-size: var(--text-lg);
    font-weight: 600;
}

.step-visuals {
    margin: var(--space-4) 0;
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
}

.tutorial-visuals-notice {
    margin: var(--space-4) 0 var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: rgba(217, 119, 6, 0.08);
    border: 1px solid rgba(217, 119, 6, 0.25);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    line-height: 1.45;
}

.tutorial-visuals-notice-title {
    margin: 0 0 var(--space-2);
    font-size: var(--text-base);
    font-weight: 600;
}

.tutorial-visuals-notice-lead {
    margin: 0 0 var(--space-2);
    color: var(--text-primary, inherit);
}

.tutorial-visuals-notice-critical {
    margin: var(--space-2) 0;
    padding: var(--space-2) var(--space-3);
    background: rgba(220, 38, 38, 0.12);
    border-radius: var(--radius-sm);
    color: #fca5a5;
    font-size: var(--text-sm);
}

.tutorial-visuals-notice-more {
    margin-top: var(--space-1);
}

.tutorial-visuals-notice-more-toggle {
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--color-primary, #2563eb);
    user-select: none;
}

.tutorial-visuals-notice-detail {
    margin: var(--space-2) 0 0;
    font-size: var(--text-xs);
    color: var(--text-secondary, #94a3b8);
}

.step-visuals-kicker {
    margin: 0 0 var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary, #94a3b8);
}

.step-visuals-type {
    font-weight: 600;
    color: var(--text-primary, inherit);
}

.step-visual-results {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-3);
}

.step-visual-result {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: flex-start;
    padding: var(--space-2);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
}

.step-visual-result-media {
    position: relative;
    flex: 0 0 auto;
}

.visual-indicative-badge {
    display: inline-block;
    margin-bottom: var(--space-1);
    padding: 2px 8px;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--color-warning, #d97706);
    background: rgba(217, 119, 6, 0.15);
    border-radius: var(--radius-sm);
}

.step-visual-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1 1 120px;
}

.step-visual-thumb {
    max-width: 140px;
    max-height: 100px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.step-visual-domain {
    color: var(--text-secondary, #94a3b8);
    font-size: var(--text-xs);
}

.step-visual-open {
    font-size: var(--text-xs);
}

.step-visual-fallback {
    margin-top: var(--space-2);
    font-style: italic;
}

.step-visual-queries,
.step-visual-manual {
    margin: var(--space-1) 0 var(--space-2);
    padding-left: var(--space-5);
}

.tutorial-preface {
    margin: var(--space-4) var(--space-6);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
}

.preface-section {
    margin-bottom: var(--space-4);
}

.preface-section h4 {
    margin: 0 0 var(--space-2);
    font-size: var(--text-base);
}

.preface-professional {
    border-left: 3px solid var(--color-warning, #d97706);
    padding-left: var(--space-3);
}

.step-danger-badge {
    padding: var(--space-1) var(--space-2);
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 600;
}

.step-content {
    margin-bottom: var(--space-4);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

.step-warnings {
    margin-top: var(--space-3);
    padding: var(--space-3);
    background: var(--color-warning-bg);
    border-radius: var(--radius-md);
}

.step-warning {
    font-size: var(--text-sm);
    color: var(--color-warning);
}

.btn-next-step {
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.btn-next-step:hover {
    background: rgba(255, 107, 53, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.step-final {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--color-success-bg);
    border-radius: var(--radius-md);
    color: var(--color-success);
    font-weight: 600;
}

.final-icon {
    font-size: var(--text-xl);
}

/* Tutorial history */
.tutorial-history {
    max-width: 600px;
    margin: 0 auto;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.history-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.history-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.history-icon {
    font-size: var(--text-2xl);
}

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

.history-title {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-meta {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.history-arrow {
    color: var(--text-muted);
}

.empty-state {
    text-align: center;
    padding: var(--space-8);
    color: var(--text-muted);
}

/* ============================================
   CHAT PAGE (Diagnostic)
   ============================================ */
.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 180px);
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-buddy-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex: 1;
}

.buddy-avatar-small {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-glow);
    border-radius: 50%;
    font-size: var(--text-2xl);
}

.buddy-name {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: 2px;
}

.buddy-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.chat-vehicle-info {
    display: none;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

@media (min-width: 640px) {
    .chat-vehicle-info {
        display: flex;
    }
}

.btn-clear-chat {
    padding: var(--space-2);
    background: transparent;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.btn-clear-chat:hover {
    background: rgba(255, 71, 87, 0.1);
    color: var(--color-danger);
}

/* Chat messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.message {
    display: flex;
    gap: var(--space-3);
    max-width: 85%;
    animation: messageSlide 0.3s ease;
}

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

.message-user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-buddy {
    align-self: flex-start;
}

.message-avatar {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-glow);
    border-radius: 50%;
    font-size: var(--text-xl);
}

.message-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.message-bubble {
    padding: var(--space-4);
    border-radius: var(--radius-xl);
    line-height: 1.6;
}

.message-buddy .message-bubble {
    background: rgba(255, 255, 255, 0.08);
    border-bottom-left-radius: var(--radius-sm);
}

.message-user .message-bubble {
    background: var(--color-primary);
    color: var(--color-white);
    border-bottom-right-radius: var(--radius-sm);
}

.message-bubble p {
    margin-bottom: var(--space-2);
}

.message-bubble p:last-child {
    margin-bottom: 0;
}

.message-bubble .tip {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.message-bubble .bullet {
    color: var(--color-primary);
    margin-right: var(--space-1);
}

.message-time {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.message-user .message-time {
    text-align: right;
}

/* Safety warning */
.safety-warning {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--color-warning-bg);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
}

.warning-icon {
    flex-shrink: 0;
}

.warning-text {
    color: var(--color-warning);
}

/* Typing indicator */
.typing-indicator .message-content {
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    border-bottom-left-radius: var(--radius-sm);
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }

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

/* Quick suggestions */
.quick-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.quick-suggestions.hidden {
    display: none;
}

.quick-btn {
    padding: var(--space-2) var(--space-3);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.quick-btn:hover {
    background: rgba(255, 107, 53, 0.1);
    border-color: rgba(255, 107, 53, 0.3);
    color: var(--text-primary);
}

/* Chat input */
.chat-input-area {
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.03);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.input-container {
    display: flex;
    gap: var(--space-3);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-2) var(--space-3);
    transition: all var(--transition-fast);
}

.input-container:focus-within {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
}

.chat-input-area textarea {
    flex: 1;
    padding: var(--space-2);
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: var(--text-base);
    resize: none;
    line-height: 1.5;
}

.chat-input-area textarea:focus {
    outline: none;
}

.chat-input-area textarea::placeholder {
    color: var(--text-muted);
}

.btn-send {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: 50%;
    color: var(--color-white);
    font-size: var(--text-lg);
    transition: all var(--transition-fast);
}

.btn-send:hover {
    background: var(--color-primary-dark);
    transform: scale(1.05);
}

.input-hint {
    text-align: right;
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--space-2);
}

/* ============================================
   FOOTER
   ============================================ */
.main-footer {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: auto;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.footer-logo {
    font-size: var(--text-xl);
}

.footer-name {
    font-weight: 600;
}

.footer-version {
    font-size: var(--text-xs);
    color: var(--text-muted);
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
}

.footer-tagline {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.footer-copyright {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.footer-sep {
    margin: 0 var(--space-2);
    opacity: 0.5;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-link:hover,
.footer-link:focus-visible {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-page {
    max-width: 820px;
    margin: 0 auto;
}

.about-hero {
    padding-top: var(--space-8);
    padding-bottom: var(--space-10);
}

.about-hero .hero-subtitle {
    max-width: 640px;
}

.about-hero-lead {
    font-size: var(--text-lg);
    color: var(--text-primary);
    margin-bottom: var(--space-5);
}

.about-hero-text {
    font-size: var(--text-base);
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.65;
}

.about-section {
    margin-bottom: var(--space-12);
    text-align: left;
}

.about-section.features-section {
    text-align: center;
}

.about-section-title {
    text-align: center;
    margin-bottom: var(--space-6);
}

.about-section-intro {
    max-width: 620px;
    margin: 0 auto var(--space-8);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.about-prose {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.7;
}

.about-prose p + p {
    margin-top: var(--space-4);
}

.about-features-grid {
    text-align: left;
}

@media (min-width: 768px) {
    .about-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .about-features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.about-disclaimer {
    padding: var(--space-6);
    background: var(--color-warning-bg);
    border: 1px solid rgba(255, 184, 0, 0.25);
    border-radius: var(--radius-xl);
    color: var(--text-secondary);
    line-height: 1.65;
}

.about-disclaimer p + p {
    margin-top: var(--space-3);
}

.about-disclaimer strong {
    color: var(--color-warning);
    font-weight: 600;
}

.about-cta {
    text-align: center;
    padding: var(--space-8) var(--space-5);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
}

.about-cta-text {
    max-width: 560px;
    margin: 0 auto var(--space-6);
    color: var(--text-secondary);
    line-height: 1.65;
}

.about-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: center;
}

/* ============================================
   ABOUT PROMPT (modal invitation)
   ============================================ */
.about-prompt {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-modal) + 5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.about-prompt[hidden] {
    display: none !important;
}

.about-prompt__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

.about-prompt__dialog {
    position: relative;
    width: 100%;
    max-width: 440px;
    padding: var(--space-8) var(--space-6) var(--space-6);
    background: var(--color-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
    text-align: left;
}

.about-prompt__close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    font-size: var(--text-xl);
    line-height: 1;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.about-prompt__close:hover,
.about-prompt__close:focus-visible {
    background: rgba(255, 107, 53, 0.2);
    color: var(--color-primary);
    outline: none;
}

.about-prompt__eyebrow {
    margin: 0 0 var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.about-prompt__dialog h2 {
    font-size: var(--text-xl);
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 var(--space-4);
    padding-right: var(--space-8);
}

.about-prompt__dialog p {
    margin: 0 0 var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.65;
}

.about-prompt__dialog p:last-of-type {
    margin-bottom: var(--space-6);
}

.about-prompt__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

@media (min-width: 480px) {
    .about-prompt__actions {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .about-prompt__actions .btn {
        flex: 1;
        min-width: 140px;
    }
}

body.about-prompt-open {
    overflow: hidden;
}

/* ============================================
   MECABUDDY DIALOG (prompt / confirm — thème admin & app)
   ============================================ */
.mb-dialog {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-modal) + 10);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.mb-dialog[hidden] {
    display: none !important;
}

.mb-dialog__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

.mb-dialog__panel {
    position: relative;
    width: 100%;
    max-width: 420px;
    padding: var(--space-6) var(--space-6) var(--space-5);
    background: var(--color-secondary);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.28s ease;
    text-align: left;
}

.mb-dialog__close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    font-size: var(--text-xl);
    line-height: 1;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.mb-dialog__close:hover,
.mb-dialog__close:focus-visible {
    background: rgba(255, 107, 53, 0.2);
    color: var(--color-primary);
    outline: none;
}

.mb-dialog__eyebrow {
    margin: 0 0 var(--space-2);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.mb-dialog__title {
    margin: 0 0 var(--space-3);
    padding-right: var(--space-8);
    font-size: var(--text-lg);
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-primary);
}

.mb-dialog__message {
    margin: 0 0 var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.55;
}

.mb-dialog__field {
    margin-bottom: var(--space-5);
}

.mb-dialog__label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.mb-dialog__input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.mb-dialog__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.mb-dialog__input.input-error {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px var(--color-danger-bg);
}

.mb-dialog__actions {
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.mb-dialog__actions .btn {
    min-width: 108px;
    border-radius: var(--radius-full);
}

body.mb-dialog-open {
    overflow: hidden;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    bottom: var(--space-4);
    right: var(--space-4);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.toast {
    padding: var(--space-4) var(--space-5);
    background: var(--color-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    transform: translateX(100%);
    transition: all var(--transition-base);
}

.toast.visible {
    opacity: 1;
    transform: translateX(0);
}

.toast-success {
    border-color: var(--color-success);
    color: var(--color-success);
}

.toast-error {
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.toast-warning {
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.toast-info {
    border-color: var(--color-info);
    color: var(--color-info);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.toast-icon {
    flex-shrink: 0;
    font-weight: 700;
}

.toast-message {
    flex: 1;
    min-width: 0;
}

/* ============================================
   DEV / ADMIN POC (public/dev.php)
   ============================================ */
.dev-admin {
    max-width: 640px;
    margin: 0 auto;
}

.dev-inline-code {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    background: rgba(255, 255, 255, 0.08);
    padding: 0.1em 0.4em;
    border-radius: var(--radius-sm);
}

.dev-section {
    margin-bottom: var(--space-6);
}

.dev-hint {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-5);
}

.dev-field-help {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--space-1);
}

.dev-switch-row {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.dev-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 28px;
    flex-shrink: 0;
}

.dev-switch-input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.dev-switch-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    transition: background var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.dev-switch-slider::before {
    content: '';
    position: absolute;
    height: 22px;
    width: 22px;
    left: 2px;
    bottom: 2px;
    background: var(--color-white);
    border-radius: 50%;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.dev-switch-input:checked + .dev-switch-slider {
    background: rgba(0, 217, 165, 0.35);
    border-color: var(--color-success);
}

.dev-switch-input:checked + .dev-switch-slider::before {
    transform: translateX(20px);
}

.dev-switch-input:focus-visible + .dev-switch-slider {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.dev-switch-label {
    font-weight: 600;
    font-size: var(--text-base);
}

.dev-text-input {
    width: 100%;
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.dev-text-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

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

.dev-actions-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.dev-json-pre {
    margin: 0;
    padding: var(--space-4);
    background: rgba(10, 10, 15, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    line-height: 1.5;
    color: var(--text-secondary);
    max-height: 280px;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.dev-provider-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.dev-empty {
    font-size: var(--text-sm);
    color: var(--text-muted);
    padding: var(--space-4);
    text-align: center;
    border: 1px dashed rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
}

.dev-provider-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
}

.dev-provider-head {
    margin-bottom: var(--space-4);
}

.dev-provider-title {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.dev-provider-name {
    font-weight: 600;
    font-size: var(--text-lg);
}

.dev-type-badge {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    background: rgba(59, 130, 246, 0.2);
    color: var(--color-info);
}

.dev-active-pill {
    font-size: var(--text-xs);
    font-weight: 600;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    background: var(--color-success-bg);
    color: var(--color-success);
}

.dev-provider-meta {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
    word-break: break-all;
}

.dev-meta-label {
    color: var(--text-muted);
    margin-right: var(--space-2);
}

.dev-meta-code {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.25);
    padding: 0.15em 0.35em;
    border-radius: var(--radius-sm);
}

.dev-provider-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.dev-btn-compact {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.dev-btn-danger:hover {
    border-color: var(--color-danger);
    color: var(--color-danger);
    background: var(--color-danger-bg);
}

.dev-subheading {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

.dev-add-form {
    padding-top: var(--space-2);
}

/* ============================================
   LOADING OVERLAY
   ============================================ */
.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(4px);
}

.loading-overlay.visible {
    display: flex;
}

.loading-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 32px;
    max-width: 380px;
    text-align: center;
}

.loading-msg {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text, #fff);
    transition: opacity 0.2s ease;
    margin: 0;
}

.loading-sub {
    font-size: 0.82rem;
    color: var(--text-secondary, #aaa);
    font-style: italic;
    transition: opacity 0.2s ease;
    margin: 0;
    line-height: 1.5;
}

.loading-sub:empty {
    display: none;
}

.spinner,
.loading-spinner-ring {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    flex-shrink: 0;
}

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

.typing-status {
    min-width: 200px;
    max-width: 320px;
}

.typing-status .typing-msg,
.typing-msg {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary, #aaa);
    font-style: italic;
    margin: 0 0 4px;
    transition: opacity 0.2s ease;
}

.typing-status .typing-sub,
.typing-sub {
    font-size: 0.78rem;
    color: var(--text-muted, #666);
    font-style: italic;
    margin: 0;
    line-height: 1.45;
    transition: opacity 0.2s ease;
}

.typing-status .typing-sub:empty {
    display: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}