/* ============================================
   PILOTON - Styles principaux
   Mobile-first responsive design
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
    /* Palette couleurs restaurant */
    --primary: #D62828;
    /* Rouge primaire */
    --secondary: #FCCA46;
    /* Jaune doré */
    --accent: #F77F00;
    /* Orange accentué */
    --dark: #003049;
    /* Bleu foncé */
    --light: #FFF8E7;
    /* Crème clair */

    /* Couleurs système */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;

    /* Gris */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* Espacements */
    --spacing-xs: 0.25rem;
    /* 4px */
    --spacing-sm: 0.5rem;
    /* 8px */
    --spacing-md: 1rem;
    /* 16px */
    --spacing-lg: 1.5rem;
    /* 24px */
    --spacing-xl: 2rem;
    /* 32px */
    --spacing-2xl: 3rem;
    /* 48px */

    /* Bordures */
    --radius-sm: 0.375rem;
    /* 6px */
    --radius-md: 0.5rem;
    /* 8px */
    --radius-lg: 0.75rem;
    /* 12px */
    --radius-xl: 1rem;
    /* 16px */
    --radius-2xl: 1.5rem;
    /* 24px */

    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: linear-gradient(135deg, var(--light) 0%, #FFE5CC 100%);
    min-height: 100vh;
}

/* ============================================
   TYPOGRAPHIE
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2rem;
}

/* 32px */
h2 {
    font-size: 1.5rem;
}

/* 24px */
h3 {
    font-size: 1.25rem;
}

/* 20px */
h4 {
    font-size: 1.125rem;
}

/* 18px */
h5 {
    font-size: 1rem;
}

/* 16px */
h6 {
    font-size: 0.875rem;
}

/* 14px */

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--accent);
    text-decoration: underline;
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Tablet (768px+) */
@media (min-width: 768px) {
    .container {
        max-width: 720px;
        padding: 0 var(--spacing-lg);
    }

    h1 {
        font-size: 2.5rem;
    }

    /* 40px */
    h2 {
        font-size: 2rem;
    }

    /* 32px */
    h3 {
        font-size: 1.5rem;
    }

    /* 24px */
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .container {
        max-width: 1200px;
        padding: 0 var(--spacing-xl);
    }

    h1 {
        font-size: 3rem;
    }

    /* 48px */
}

/* ============================================
   BOUTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    min-height: 44px;
    /* Touch-friendly (Apple HIG) */
    min-width: 44px;
    touch-action: manipulation;
    /* Optimise touch */
}

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

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #B71C1C;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--dark);
}

.btn-secondary:hover:not(:disabled) {
    background: #E5B83E;
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--accent);
    color: white;
}

.btn-accent:hover:not(:disabled) {
    background: #D66F00;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
    min-height: 36px;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
    min-height: 52px;
}

.btn-full {
    width: 100%;
}

/* Desktop : boutons auto-width */
@media (min-width: 768px) {
    .btn-full {
        width: auto;
        min-width: 200px;
    }
}

/* ============================================
   CARTES
   ============================================ */
.card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.card-gradient-1 {
    background: linear-gradient(135deg, var(--primary) 0%, #B71C1C 100%);
    color: white;
}

.card-gradient-2 {
    background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
    color: white;
}

.card-gradient-3 {
    background: linear-gradient(135deg, var(--dark) 0%, #0077B6 100%);
    color: white;
}

.card-gradient-4 {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
    color: var(--dark);
}

/* ============================================
   FORMULAIRES
   ============================================ */
input,
select,
textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 16px;
    /* Évite zoom iOS sur focus */
    font-family: inherit;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
    min-height: 44px;
    /* Touch-friendly */
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(214, 40, 40, 0.1);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--gray-700);
}

/* ============================================
   ÉTOILES (RATING)
   ============================================ */
.star {
    display: inline-block;
    font-size: 2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.star:hover {
    transform: scale(1.2);
}

.star.active {
    color: #fbbf24;
    transform: scale(1.1);
}

@media (min-width: 768px) {
    .star {
        font-size: 2.5rem;
    }
}

/* ============================================
   UTILITAIRES
   ============================================ */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

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

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mt-xl {
    margin-top: var(--spacing-xl);
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mb-xl {
    margin-bottom: var(--spacing-xl);
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
    animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pulse-success {
    animation: pulseSuccess 0.6s ease-in-out;
}

@keyframes pulseSuccess {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

.loading-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   MESSAGES & ALERTES
   ============================================ */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background: #D1FAE5;
    color: #065F46;
    border-left: 4px solid var(--success);
}

.alert-error {
    background: #FEE2E2;
    color: #991B1B;
    border-left: 4px solid var(--error);
}

.alert-warning {
    background: #FEF3C7;
    color: #92400E;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: #DBEAFE;
    color: #1E40AF;
    border-left: 4px solid var(--info);
}

/* ============================================
   RESPONSIVE - Affichage conditionnel
   ============================================ */
.mobile-only {
    display: block;
}

.desktop-only {
    display: none;
}

@media (min-width: 768px) {
    .mobile-only {
        display: none;
    }

    .desktop-only {
        display: block;
    }
}