/* Style Guide FinaCalc
- Noms de classes sémantiques (.header-section, .calculator-form)
- Pas de CSS inline
- Mobile-first
- Variables CSS pour les couleurs
*/
:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #64748b;
    --background-light: #f9fafb;
    --background-dark: #1f2937;
    --card-light: #ffffff;
    --card-dark: #1f2937;
    --text-light: #111827;
    --text-dark: #f3f4f6;
    --text-muted-light: #6b7280;
    --text-muted-dark: #9ca3af;
    --border-light: #d1d5db;
    --border-dark: #374151;
    --input-bg-light: #f3f4f6;
    --input-bg-dark: #374151;
    --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-header: 0 1px 3px rgba(0, 0, 0, 0.1);
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --gradient-secondary: linear-gradient(135deg, #64748b 0%, #475569 100%);
}

/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

/* Classe utilitaire pour éviter le flash/saut de transition au chargement */
.disable-transitions *,
.disable-transitions *::before,
.disable-transitions *::after {
    transition: none !important;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-light);
    color: var(--text-light);
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

html.dark body {
    background-color: var(--background-dark);
    color: var(--text-dark);
}

/* Header styles */
.logo-link {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.3s ease;
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-link::before {
    content: '💰';
    font-size: 1.8rem;
    animation: pulse 2s infinite;
}

header {
    background-color: var(--card-light);
    box-shadow: var(--shadow-header);
    border-bottom: 1px solid var(--border-light);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

html.dark header {
    background-color: var(--card-dark);
    border-bottom-color: var(--border-dark);
}

.header-container {
    max-width: 1152px;
    margin: 0 auto;
    padding: 1rem;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted-light);
}

html.dark .logo-subtitle {
    color: var(--text-muted-dark);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Language selector */
#languageSelector {
    display: none;
    background-color: var(--input-bg-light);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    color: var(--text-light);
}

html.dark #languageSelector {
    background-color: var(--input-bg-dark);
    border-color: var(--border-dark);
    color: var(--text-dark);
}

#languageSelector:hover {
    background-color: var(--border-light);
}

html.dark #languageSelector:hover {
    background-color: #4b5563;
}

/* Theme toggle button */
#themeToggle {
    padding: 0.5rem;
    background-color: var(--input-bg-light);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-size: 1rem;
    color: var(--text-light);
}

html.dark #themeToggle {
    background-color: var(--input-bg-dark);
    color: var(--text-dark);
}

#themeToggle:hover {
    background-color: var(--border-light);
}

html.dark #themeToggle:hover {
    background-color: #4b5563;
}

/* Navigation */

nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0;  /* S'assurer qu'il n'y a pas de marge */
    padding: 0; /* S'assurer qu'il n'y a pas de padding */
    align-items: center; /* Aligner les éléments de navigation */
}

.nav-link {
    color: var(--text-muted-light);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: color 0.3s ease, background-color 0.3s ease;
    font-size: 0.875rem;
}

html.dark .nav-link {
    color: var(--text-muted-dark);
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: var(--input-bg-light);
}

html.dark .nav-link:hover {
    color: #60a5fa;
    background-color: var(--input-bg-dark);
}

.nav-link.active {
    color: var(--primary-color);
    background-color: #eff6ff;
}

html.dark .nav-link.active {
    color: #60a5fa;
    background-color: #1e3a8a;
}

/* Layout principal */
.main-container {
    max-width: 1152px;
    margin: 0 auto;
    padding: 2rem 1rem;
    flex-grow: 1;
}

.page-content {
    flex: 1;
}

/* Navigation interne */
.back-btn {
    color: var(--primary-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    transition: color 0.3s ease;
}

.back-btn:hover {
    color: var(--primary-hover);
}

/* Titres */
.page-title {
    font-size: 1.875rem;
    font-weight: bold;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Grille */
.grid-container {
    display: grid;
    gap: 2rem;
    align-items: stretch;
    justify-content: center;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
}


/* Grille large pour la page crédit immobilier */
.main-large .grid-container {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
    align-items: stretch;
    width: 100%;
}

@media (min-width: 900px) {
    .main-large .grid-container {
        grid-template-columns: 1fr 1fr;
    }
}

.main-large .card {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: stretch;
    align-items: stretch;
}

/* Cards */
.card {
    background-color: var(--card-light);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-light);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    min-height: 100%;
    width: 100%;
    min-width: 0;
    justify-content: center;
    align-items: stretch;
    box-sizing: border-box;
    height: 100%;
}

html.dark .card {
    background-color: var(--card-dark);
    border: 1px solid var(--border-dark); /* Ajoute une bordure sombre */
    box-shadow: 0 4px 16px rgba(60, 60, 60, 0.15); /* Renforce l'ombre en sombre */
}

/* Pour le contenu interne (formulaire et résultats) */
.card .form-container,
.card .results-container {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    justify-content: stretch;
    align-items: stretch;
    min-height: 0;
    overflow: auto; /* Permet le scroll si le contenu dépasse */
}

.card .form-container {
    display: flex;
    flex-direction: column;
    justify-content: center;   /* Centre verticalement */
    align-items: stretch;
    height: 100%;
    flex: 1 1 auto;
}

/* Pour les résultats, centrer verticalement si peu de contenu */
.results-content {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 0;
    overflow: auto;
}

/* Formulaire */
.form-container {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-light);
    border-radius: 0.5rem;
    background-color: var(--input-bg-light);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-light);
}

/* Ajouter du padding au conteneur parent à la place */
.form-group, .input-container {
    padding: 0 4px;
}

html.dark .form-input {
    border-color: var(--border-dark);
    background-color: var(--input-bg-dark);
    color: var(--text-dark);
}

.form-input:focus {
    outline: none;
    border-color: transparent;
    box-shadow: 0 0 0 2px var(--primary-color);
}

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

html.dark .form-input::placeholder {
    color: var(--text-muted-dark);
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Boutons */
.btn-primary {
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 1.5rem;
}

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

.card .btn-primary {
    margin-top: auto;
}

.bloc-lien-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important; /* Titre à gauche, bouton à droite */
    margin-bottom: 8px;
    width: 100%;
}

.btn-copy {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    transition: background-color 0.2s;
}

.btn-copy:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

/* Résultats */
.results-container {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.results-content {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.results-placeholder {
    text-align: center;
    color: var(--text-muted-light);
    padding: 2rem;
}

html.dark .results-placeholder {
    color: var(--text-muted-dark);
}

.results-data {
    display: none;
    flex-direction: column;
    gap: 1rem;
}

.results-data.show {
    display: flex;
}

.result-item {
    padding: 1rem;
    background-color: var(--input-bg-light);
    border-radius: 0.5rem;
    border-left: 4px solid var(--primary-color);
}

html.dark .result-item {
    background-color: var(--input-bg-dark);
}

.result-label {
    font-weight: 500;
    color: var(--text-muted-light);
    font-size: 0.875rem;
}

html.dark .result-label {
    color: var(--text-muted-dark);
}

.result-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* Responsive design */
@media (min-width: 1200px) {
    .main-container {
        padding: 2rem 1rem; /* Revient au padding normal */
    }
}

@media (min-width: 769px) {
    .main-container {
        max-width: 1152px; /* Garde max-width au lieu de width */
        width: 100%; /* Utilise 100% jusqu'à la largeur max */
        padding: 2rem; /* Augmente le padding sur les grands écrans */
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0.75rem;
    }

    .main-container {
        padding: 1rem;
    }

    .logo-title {
        font-size: 1.25rem;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .header-actions {
        gap: 0.5rem;
    }

    nav ul {
        justify-content: center;
    }

    .nav-link {
        padding: 0.375rem 0.75rem;
        font-size: 0.8125rem;
    }
}

@media (max-width: 480px) {
    .header-top {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
    }

    .nav-link {
        display: block;
        text-align: center;
        width: 100%;
    }
}




.bloc-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.bloc {
    padding: 1rem;
    border-radius: 0.5rem;
    transition: background-color 0.3s ease;
}

/* Bloc bleu */
.bloc.bleu {
    background-color: #ebf8ff;
    border-left: 4px solid #3b82f6;
}

html.dark .bloc.bleu {
    background-color: #1e3a8a;
    border-left-color: #60a5fa;
}

/* Bloc vert */
.bloc.vert {
    background-color: #f0fdf4;
    border-left: 4px solid #10b981;
}

html.dark .bloc.vert {
    background-color: #064e3b;
    border-left-color: #34d399;
}

/* Bloc orange */
.bloc.orange {
    background-color: #fff7ed;
    border-left: 4px solid #f59e0b;
}

html.dark .bloc.orange {
    background-color: #9a3412;
    border-left-color: #fbbf24;
}

/* Styles des textes dans les blocs */
.titre {
    font-size: 0.875rem;
    color: var(--text-muted-light);
    margin-bottom: 0.5rem;
}

html.dark .titre {
    color: var(--text-muted-dark);
}

.valeur {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-light);
}

html.dark .valeur {
    color: var(--text-dark);
}

.valeur.principal {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

html.dark .valeur.principal {
    color: #60a5fa;
}

/* Bloc lien */
.bloc-lien {
    margin-top: 1rem;
    padding: 0.75rem;
    font-size: 0.875rem;
    background-color: var(--input-bg-light);
    border-radius: 0.5rem;
    color: var(--text-light);
    border: 1px solid var(--border-light);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

html.dark .bloc-lien {
    background-color: var(--input-bg-dark);
    border-color: var(--border-dark);
    color: var(--text-dark);
}

.code-lien {
    display: block;
    word-break: break-all;
    font-size: 0.75rem;
    color: var(--text-muted-light);
    font-family: 'Courier New', monospace;
    margin-top: 0.5rem;
}

html.dark .code-lien {
    color: var(--text-muted-dark);
}

.bloc-lien-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 0.25rem;
}

/* Footer styles */
.footer {
    background-color: var(--card-light);
    border-top: 1px solid var(--border-light);
    margin-top: 3rem;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

html.dark .footer {
    background-color: var(--card-dark);
    border-top-color: var(--border-dark);
}

.footer-content {
    max-width: 72rem;
    margin: 0 auto;
    padding: 1.5rem 1rem;
    text-align: center;
    color: var(--text-muted-light);
    transition: color 0.3s ease;
}

html.dark .footer-content {
    color: var(--text-muted-dark);
}

.footer-links {
    display: inline-flex;
    gap: 1.5rem;
    margin-left: 1rem;
    align-items: center;
}

.footer-links a {
    color: var(--text-muted-light);
    text-decoration: none;
    font-size: 0.95em;
    transition: color 0.2s;
    line-height: 1;
}

.footer-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

html.dark .footer-links a {
    color: var(--text-muted-dark);
}

html.dark .footer-links a:hover {
    color: #60a5fa;
}

.bloc.cursor-pointer:hover {
    filter: brightness(0.95);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transform: translateY(-2px);
    transition: box-shadow 0.2s, filter 0.2s, transform 0.2s;
    cursor: pointer;
}

/* Menu toggle styles */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    border-radius: 8px;
}

.menu-toggle .hamburger {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--text-light);
    position: relative;
}
.menu-toggle .hamburger::before,
.menu-toggle .hamburger::after {
    content: '';
    display: block;
    width: 24px;
    height: 3px;
    background: var(--text-light);
    position: absolute;
    left: 0;
    transition: transform 0.3s;
}
.menu-toggle .hamburger::before {
    top: -8px;
}
.menu-toggle .hamburger::after {
    top: 8px;
}

html.dark .menu-toggle .hamburger,
html.dark .menu-toggle .hamburger::before,
html.dark .menu-toggle .hamburger::after {
    background: var(--text-dark);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: inline-block;
    }
    .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background: var(--card-light);
        box-shadow: var(--shadow-header);
        z-index: 100;
        padding: 1rem 0;
    }
    html.dark .main-nav {
        background: var(--card-dark);
    }
    .main-nav.open {
        display: block;
    }
    .header-top {
        flex-direction: row;
        gap: 0.5rem;
    }
    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
}

.logo-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}


/* GCU */
.cgu-container {
    display: grid;
    gap: 2rem;
    animation: fadeIn 0.8s ease-out 0.3s both;
}

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

.cgu-section {
    background: var(--card-light);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-light);
}

html.dark .cgu-section {
    background: var(--card-dark);
    border-color: var(--border-dark);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.cgu-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.section-number {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}


/* PUB */
.layout-with-ads {
    flex: 1 0 auto;
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 2rem;
    width: 100%;
    position: relative;
}

.ad-container {
    width: 160px;
    min-height: 600px;
    background: #f3f4f6;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    font-size: 1rem;
    color: #888;
    margin-top: 5rem;
}

.ad-left {
    margin-left: 2.5%;
}

.ad-right {
    margin-right: 2.5%;
}

.ad-mobile {
    display: none;
    width: 100%;
    max-width: 600px;
    margin: 2rem auto 0 auto;
    min-height: 160px;
    background: #f3f4f6;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    color: #888;
}

.ad-label {
    font-size: 0.875rem;
    color: #666;
    text-align: center;
    padding: 0.5rem;
}

@media (max-width: 1024px) {
    .ad-container.ad-left,
    .ad-container.ad-right {
        display: none !important;
    }
    
    .ad-mobile {
        display: flex !important;
        flex-direction: column;
    }
    
    .layout-with-ads {
        gap: 0;
        flex-direction: column;
    }
    
    .main-container {
        width: 100%;
        max-width: 100%;
    }
}