/* style.css - Version Modulaire */
@import url('features/f1_pension/f1.css');
@import url('features/f2_nonfiscal/f2.css');
@import url('features/f3_inflation/f3.css');
@import url('features/f4_comparator/f4.css');
@import url('features/f5_mail/f5.css');

/* Import des polices */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Roboto:wght@400;500;700&display=swap');


/* --- Variables de Design (Globales) --- */
:root {
    --primary-color: #0070B0; 
    --secondary-color: #00B3A6; 
    --accent-color: #FF8800; 
    --danger-color: #D3425A; 
    --text-color-dark: #34495E; 
    --text-color-light: #7F8C8D; 
    --background-light: #F7F9FB; 
    --background-card: #FFFFFF; 
    --border-light: #EBEBEB; 
    --shadow-light: 0 5px 15px rgba(0, 0, 0, 0.08); 
    --border-radius-base: 10px; 
    --font-family-primary: 'Inter', sans-serif; 
    --font-family-secondary: 'Roboto', sans-serif;
}

/* --- Base et Header (Global) --- */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { 
    font-family: var(--font-family-primary); 
    background-color: var(--background-light); 
    color: var(--text-color-dark); 
    line-height: 1.6; 
    font-size: 17px; /* Police de base pour desktop */
}
header { 
    background-color: var(--background-card); 
    border-bottom: 3px solid var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); 
    padding: 15px 5%; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    position: sticky; top: 0; z-index: 1000; 
}
header h1 { font-size: 1.8em; color: var(--primary-color); font-weight: 800; } 
header nav { display: flex; align-items: center; }
header nav a { 
    text-decoration: none; 
    color: var(--text-color-dark);
    font-weight: 600; 
    margin-left: 25px; 
    padding: 5px 0; 
    transition: color 0.3s ease, border-bottom 0.3s ease;
}
header nav a:hover, header nav a.active { 
    color: var(--primary-color); 
    border-bottom: 2px solid var(--primary-color); 
}
#language-selector { 
    margin-left: 25px;
    display: flex;
    gap: 8px;
    align-items: center;
}
.flag-button {
    background: none;
    border: 2px solid transparent;
    padding: 0;
    font-size: 1.5em; 
    cursor: pointer;
    transition: border-color 0.2s;
    border-radius: 5px;
}
.flag-button:hover { border-color: var(--border-light); }
.flag-button.active { border-color: var(--primary-color); box-shadow: 0 0 0 2px var(--primary-color); }

/* Bouton Hamburger */
#menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2.2em;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0 5px;
    line-height: 1;
    margin-left: 15px; 
}

main { max-width: 1400px; margin: 40px auto; padding: 0 20px; }

/* --- Sections (Global) --- */
.calculator-section {
    background-color: var(--background-card);
    padding: 30px;
    border-radius: var(--border-radius-base);
    box-shadow: var(--shadow-light);
    margin-bottom: 40px;
    border: 1px solid var(--border-light);
    display: none; /* Caché par défaut, JS gère l'affichage */
}
.calculator-section h2 { font-size: 2.2em; color: var(--primary-color); margin-bottom: 25px; padding-bottom: 15px; border-bottom: 2px solid var(--border-light); font-weight: 700; }

/* --- Structure en Cartes (Global) --- */
.calculator-content { display: flex; gap: 30px; flex-wrap: wrap; }
.parameters-card {
    flex: 1 1 350px; /* Devient flexible */
    max-width: 450px;
    padding: 25px; 
    border-radius: var(--border-radius-base); 
    box-shadow: var(--shadow-light); 
    border: 1px solid var(--border-light);
    background-color: var(--background-card);
}
.results-card {
    flex: 2 1 450px; /* Devient flexible */
    min-width: 450px; /* Gardé pour donner plus de poids au début */
    padding: 25px; 
    border-radius: var(--border-radius-base); 
    box-shadow: var(--shadow-light); 
    border: 1px solid var(--border-light);
    background-color: var(--background-card);
}
.parameters-card h3, .results-card h3 { 
    font-size: 1.5em; 
    color: var(--text-color-dark); 
    margin-bottom: 20px; 
    font-weight: 700; 
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 10px;
}

/* --- Inputs et Bouton (Global) --- */
.input-group-section { padding: 15px 0; margin-bottom: 15px; border: none; background: none; }
.input-group-section:last-of-type { margin-bottom: 0; }
.input-group-section h4 { font-size: 1.1em; color: var(--text-color-dark); margin-bottom: 10px; font-weight: 600; }
.input-group-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); /* Grille auto-adaptative */
    gap: 15px; 
}
label { display: block; font-size: 0.95em; color: var(--text-color-dark); margin-top: 10px; margin-bottom: 5px; font-weight: 600; } 
input[type="number"], input[type="text"], input[type="date"], input[type="time"], select {    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-base);
    font-size: 1em;
}
input:focus, select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0,112,176, 0.2);
    outline: none;
}

.main-button {
    background-color: var(--primary-color);
    color: white;
    padding: 14px 25px;
    border: none;
    border-radius: var(--border-radius-base);
    font-size: 1.1em;
    font-weight: 700;
    margin-top: 20px; 
    cursor: pointer;
    width: 100%;
    transition: background-color 0.3s ease;
}
.main-button:hover { background-color: #004A7D; }

/* --- Tableau Résumé (Base) --- */
.data-summary-table { display: flex; flex-direction: column; gap: 10px; } 
.table-group h4 { font-size: 1.1em; font-weight: 700; color: var(--primary-color); margin-bottom: 10px; padding-bottom: 5px; border-bottom: 1px solid var(--border-light); }
.data-line { padding: 8px 0; font-size: 1em; border-bottom: 1px dashed #f0f0f0; }
.data-line span { color: var(--text-color-dark); font-weight: 500; } 
.data-line:last-child { border-bottom: none; }
.data-line { display: flex; justify-content: space-between; align-items: center; }
.data-value {
    text-align: right;
    min-width: 110px; 
    font-weight: 700; 
    color: var(--text-color-dark);
}

/* --- Styles Utilitaires (Partagés) --- */
.highlight-net { background-color: #EBF7F7; border-left: 4px solid var(--secondary-color); border-radius: 6px; padding: 10px 15px !important; margin-top: 5px; }
.highlight-net .data-value { color: var(--secondary-color); font-weight: 800; font-size: 1.1em; } 
.highlight-tax { border-left: 4px solid var(--accent-color); padding-left: 15px; }
.highlight-tax .data-value { color: var(--accent-color); }
.highlight-green { background-color: #E5F3F2; border-radius: 6px; padding: 10px 15px !important; margin-top: 10px; border-left: 4px solid var(--secondary-color);}
.highlight-loss { 
    border-left: 4px solid var(--danger-color); 
    padding-left: 15px; 
    background-color: #FEECEF; 
    border-radius: 6px;
    padding: 10px 15px !important; 
    margin-top: 5px;
}
.highlight-loss .data-value { color: var(--danger-color); font-weight: 800;}
.highlight-tax-final { 
    background-color: #FFFAEC; 
    border-radius: 6px;
    border-left: 4px solid var(--accent-color);
    padding: 10px 15px !important;
    margin-top: 5px;
    font-size: 1.0em; 
}
.highlight-tax-final .data-value { color: var(--accent-color); font-weight: 700; }
.highlight-final {
    background-color: #EFF5F9; 
    border-radius: var(--border-radius-base);
    padding: 15px 20px !important; 
    margin-top: 15px;
    border: 2px solid var(--primary-color);
}
.highlight-final span { font-weight: 700; } 
.highlight-final .data-value { color: var(--primary-color); font-weight: 800; font-size: 1.5em; } 

/* --- Graphique (Base) --- */
.chart-area { margin-top: 35px; padding-top: 20px; border-top: 1px dashed var(--border-light); width: 100%; }
.chart-container { min-height: 450px; } 

/* ### Styles Liens Externes (Partagés F1 & F2) ### */
.external-links-container {
    padding-top: 20px;
}
.results-card .external-links-container {
     margin-top: 25px;
     border-top: 1px dashed var(--border-light);
}
.parameters-card .external-links-container {
     margin-top: 25px; 
     border-top: none; 
}
.external-links-container h4 {
    font-size: 1.1em;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}
.links-wrapper {
    display: flex;
    gap: 15px; 
    justify-content: center; 
    flex-wrap: wrap; 
}
.external-link-box {
    display: flex;
    flex-direction: column; 
    align-items: center;
    justify-content: flex-start; 
    gap: 10px; 
    padding: 10px; 
    border-radius: var(--border-radius-base);
    border: 1px solid var(--border-light);
    text-decoration: none;
    color: var(--text-color-dark);
    font-weight: 600;
    font-size: 0.85em; 
    transition: all 0.3s ease;
    flex-basis: 150px; 
    text-align: center;
    min-height: 120px; 
}
.external-link-box:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-light);
    transform: translateY(-3px);
}
.external-logo {
    height: 50px; 
    width: auto;
    max-width: 110px; 
    object-fit: contain;
    margin-bottom: 5px; 
}

/* --- Responsivité (Globale) --- */
@media (max-width: 1000px) {
    /* Réduit la taille de police de base, tout le site (en 'em') suivra */
    body { font-size: 16px; }

    /* .calculator-content { flex-direction: column; } */
    
    /* .parameters-card, .results-card { min-width: unset; width: 100%; max-width: 100%; } */
    
    .chart-container { min-height: 350px; }
    
    /* .input-group-grid { grid-template-columns: 1fr; gap: 0; } */
    
    .results-card { min-width: unset; }

    /* Styles Menu Mobile */
    #menu-toggle { display: block; }
    header { flex-wrap: wrap; position: relative; }
    header h1 { flex-grow: 1; }
    header nav#main-nav {
        display: none; 
        flex-direction: column;
        position: absolute;
        top: 100%; 
        left: 0;
        width: 100%;
        background: var(--background-card);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        border-top: 1px solid var(--border-light);
        z-index: 999; 
    }
    header nav#main-nav.active { display: flex; }
    header nav a {
        margin-left: 0;
        padding: 15px 20px; 
        border-bottom: 1px solid var(--border-light); 
        font-weight: 600;
    }
    header nav a:hover, header nav a.active {
        border-bottom-color: var(--primary-color); 
        background-color: var(--background-light); 
    }
    #language-selector {
        margin-left: 0;
        padding: 15px 20px;
        justify-content: flex-start; 
        border-top: 1px solid var(--border-light);
    }
}
@media (max-width: 480px) {
    /* Réduit encore la taille de police pour petits écrans */
    body { font-size: 15px; }

    .chart-container { min-height: 300px; }
    .links-wrapper { gap: 10px; }
    .external-link-box { flex-basis: calc(50% - 10px); min-height: 115px; font-size: 0.8em;}
    .external-logo { height: 40px; } 
}

/* =================================== */
/* STYLES POUR LE PORTAIL DE CONNEXION */
/* =================================== */
#login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: none; /* Caché par défaut, PHP le force à 'flex' */
    justify-content: center;
    align-items: center;
    z-index: 9999;
    font-family: var(--font-family-primary);
}

#login-box {
    background: var(--background-card);
    padding: 40px;
    border-radius: var(--border-radius-base);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    text-align: center;
    border-top: 4px solid var(--primary-color);
}

#login-box h2 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

#login-box p {
    margin-bottom: 20px;
    color: var(--text-color-dark);
}

#login-box input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border-radius: var(--border-radius-base);
    border: 1px solid var(--border-light);
    font-size: 1.1em;
    text-align: center;
}

#login-box button {
    width: 100%;
    padding: 12px 20px;
    font-size: 1.1em;
    font-weight: 700;
    color: white;
    background: var(--primary-color);
    border: none;
    border-radius: var(--border-radius-base);
    margin-top: 20px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#login-box button:hover {
    background-color: #004A7D;
}

/* =================================== */
/* STYLES POUR LE MODE VISITEUR        */
/* =================================== */

/* Style "bandeau" pour mode visiteur */
body.mode-visitor::before {
    content: 'MODE VISITEUR - Fonctionnalités limitées (calcul et copie désactivés).';
    display: block;
    background-color: var(--danger-color);
    color: white;
    text-align: center;
    font-weight: 600;
    padding: 10px;
    /* Gère la superposition avec le header sticky */
    position: sticky; 
    top: 0;
    z-index: 2000; 
}

/* Ajustement pour le header sticky en mode visiteur */
body.mode-visitor header {
    top: 45px; /* Hauteur du bandeau */
}

/* Grise visuellement les inputs, mais les laisse interactifs */
.mode-visitor main input,
.mode-visitor main select {
    opacity: 0.8;
    background-color: #f8f8f8;
}

/* Désactive UNIQUEMENT les boutons d'action critiques */
.mode-visitor main #f5-copy-button,
.mode-visitor main #f5-generate-button,
.mode-visitor main .main-button { /* Cible tous les gros boutons "Calculer" */
    pointer-events: none !important;
    opacity: 0.5 !important;
    background-color: var(--text-color-light) !important;
    color: white !important;
    border: none !important;
    cursor: not-allowed !important;
}

/* Cache l'onglet Mail dans le nav (géré par JS aussi) */
.mode-visitor a[href="#f4"] {
    display: none !important;
}

/* =================================== */
/* STYLES POUR LE BOUTON DECONNEXION   */
/* =================================== */
#logout-button {
    margin-left: 25px;
    padding: 5px 15px;
    background-color: var(--danger-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-base);
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s ease;
}
#logout-button:hover {
    background-color: #a03345; /* Un rouge plus foncé */
    color: white;
    border-bottom: none; /* Annule l'effet hover du nav */
}

/* Ajustement pour le menu mobile */
@media (max-width: 1000px) {
    #logout-button {
        margin: 0;
        padding: 15px 20px;
        border-radius: 0;
        text-align: center;
        background-color: #D3425A;
        color: white !important;
        border-bottom: 1px solid #a03345 !important;
    }
    #logout-button:hover {
        background-color: #a03345;
    }
    
    /* Ajustement mode visiteur mobile */
    body.mode-visitor header {
        top: 0; /* Le header n'est plus sticky en mobile */
    }
    body.mode-visitor::before {
        position: relative; /* Le bandeau n'est plus sticky */
    }
}