/*
Theme Name: EFREI E-learning
Author: Team EFREI
Version: 1.0
Text Domain: efrei-elearn
*/

/* Variables CSS pour le thème clair et sombre */
:root {
    /* Couleurs par défaut (mode jour) */
    --color-primary: #4C445E;
    --color-secondary: #D6DCF2;
    --color-background: #EFF3FC;
    --color-accent-light: #D0E6B9;
    --color-accent-blue: #BAC5EC;
    --color-green: #75AA3C;
    --color-green-hover: #629533;
    --color-text: #4C445E;
    --color-text-light: #6F648A;
    --color-white: #FFFFFF;
    --color-input-bg: #f0f3fc;
    --color-placeholder: #9589AF;
    --color-card-bg: #FFF;
    --color-input: #FFF;
}

/* Mode sombre */
[data-theme="dark"] {
    --color-primary: #FFF;
    --color-secondary: #2A324D;
    --color-background: #1F232B;
    --color-accent-light: #777F96;
    --color-accent-blue: #777F96;
    --color-green: #75AA3C;
    --color-green-hover: #629533;
    --color-text: #FFF;
    --color-text-light: #CCC;
    --color-white: #2A324D;
    --color-input-bg: #3A4255;
    --color-placeholder: #AAA;
    --color-card-bg: #3A4255;
    --color-input: #777F96;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background-color: var(--color-secondary);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(76, 68, 94, 0.1);
    transition: background-color 0.3s ease;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.site-logo img {
    height: 45px;
    width: auto;
}

/* Navigation */
.main-navigation .nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.main-navigation .nav-menu a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 18px;
    transition: color 0.3s ease;
    position: relative;
}

.main-navigation .nav-menu a:hover,
.main-navigation .nav-menu .current-menu-item a {
    color: var(--color-green);
}

.main-navigation .nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background-color: var(--color-green);
    transition: all 0.3s ease;
}

.main-navigation .nav-menu a:hover::after,
.main-navigation .nav-menu .current-menu-item a::after {
    width: 100%;
    left: 0;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

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

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

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

.btn-primary:hover {
    background-color: var(--color-green-hover);
    transform: translateY(-2px);
}

.header-actions {
    display: flex;
    gap: 15px;
}

/* Bouton S'inscrire */
.btn-register {
    background-color: var(--color-primary);
    color: var(--color-background);
    border: 2px solid var(--color-primary);
    transition: all 0.3s ease;
}

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

/* Overlay popup */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.popup-overlay.show {
    display: flex;
}

.popup-content {
    background: var(--color-secondary);
    border-radius: 50px;
    padding: 40px 30px;
    width: 400px;
    max-width: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    box-shadow: 0px 4px 10px rgba(0,0,0,0.25);
    transition: background-color 0.3s ease;
}

/* Croix fermeture */
.popup-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 30px;
    font-weight: bold;
    color: var(--color-text);
    cursor: pointer;
}

/* Logo */
.logo-icon {
    width: 60px;
    height: auto;
    margin-bottom: 20px;
}

/* Inputs */
.input-group {
    width: 100%;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--color-text);
}

.input-group input {
    padding: 12px 20px;
    border-radius: 50px;
    border: none;
    background-color: var(--color-input-bg);
    font-size: 16px;
    color: var(--color-placeholder);
}

.popup-content input {
    outline: none;
    border: none;
    background-color: var(--color-input-bg);
    padding: 12px 20px;
    border-radius: 50px;
    font-size: 16px;
    color: var(--color-text);
    transition: background-color 0.3s ease;
}

.popup-content input::placeholder {
    color: var(--color-placeholder);
    opacity: 1;
}

/* Mot de passe oublié */
.forgot-password {
    align-self: center;
    margin-bottom: 5px;
    color: var(--color-text);
    font-weight: 500;
    cursor: pointer;
    text-align: center;
}

.forgot-password:hover {
    font-weight: bold;
}

.logo-popup {
    height: 3em;
    margin-bottom: 3em;
}

/* Formulaire Connexion / Inscription */
.form-connexion, .form-inscription {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.form-inscription {
    margin-top: 10px;
}

.form-inscription .btn-register {
    margin-top: 10px;
}

.form-inscription .input-group label {
    margin-bottom: 2px !important;
}

.form-inscription .input-group input {
    margin-bottom: 4px !important;
    padding: 10px 20px !important;
}

.already-account .connect-link:hover {
    font-weight: bold;
}

.form-connexion button,
.form-inscription button {
    display: block;
    margin: 2em auto 1em auto;
}

/* Liens switch */
.switch-form, .already-account {
    font-size: 14px;
    color: var(--color-text);
    margin: 10px 0;
    text-align: center;
}

.switch-form span, .already-account .connect-link {
    font-weight: 500;
    cursor: pointer;
    color: var(--color-green);
    transition: all 0.3s ease;
}

.switch-form span:hover, .already-account .connect-link:hover {
    font-weight: bold;
}

/* Input commun */
.popup-content .input-group input {
    width: 100%;
    outline: none;
    border: none;
    background-color: var(--color-input-bg);
    padding: 12px 20px;
    border-radius: 50px;
    font-size: 16px;
    color: var(--color-text);
    margin-bottom: 15px;
    transition: background-color 0.3s ease;
}

.popup-content .input-group label {
    align-self: flex-start;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--color-text);
}

/* Sections communes */
.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 3rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--color-text);
}

.highlight {
    color: var(--color-green);
}

.highlight-green {
    color: var(--color-green);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-background) 100%);
    padding: 80px 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
    transition: background 0.3s ease;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-logo {
    max-width: 400px;
    margin: 0 auto 30px;
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 40px;
    opacity: 0.9;
}

.btn-discover {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    padding: 15px 30px;
}

.arrow-icon {
    transition: transform 0.3s ease;
}

.btn-discover:hover .arrow-icon {
    transform: translateY(3px);
}

/* Footer - CORRIGÉ */
.site-footer {
    background-color: var(--color-secondary);
    color: var(--color-text);
    padding: 50px 0 20px;
    margin-top: 80px;
    transition: background-color 0.3s ease;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-text);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-green);
}

.contact-info p {
    margin-bottom: 10px;
    color: var(--color-text);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link img {
    width: 30px;
    height: 30px;
    transition: opacity 0.3s ease;
}

.social-link:hover img {
    opacity: 0.7;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--color-green);
    color: var(--color-text-light);
}

.warning-text {
    color: #ff0d0d;
    font-weight: 600;
    margin-top: 10px;
}

/* Page d'accueil */
.home-main {
    padding: 40px 0;
    text-align: center;
}

.home-main h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--color-text);
}

.home-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
}

.home-links a {
    display: inline-block;
    padding: 15px 30px;
    background-color: var(--color-green);
    color: var(--color-white);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
}

/* Info utilisateur connecté */
.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.welcome-text {
    color: var(--color-text);
    font-weight: 500;
    font-size: 16px;
}

/* Lien Cours dans la navigation */
.nav-menu .cours-link {
    color: var(--color-green) !important;
    font-weight: 600;
    position: relative;
}

.nav-menu .cours-link::after {
    content: '🎓';
    margin-left: 5px;
    font-size: 14px;
}

.nav-menu .cours-link:hover {
    color: var(--color-green-hover) !important;
    transform: translateY(-1px);
    transition: all 0.3s ease;
}

/* Animation pour l'apparition du lien Cours */
@keyframes slideInFromTop {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-menu li:has(.cours-link) {
    animation: slideInFromTop 0.5s ease-out;
}

/* Messages d'erreur/succès */
.auth-message {
    padding: 10px 20px;
    border-radius: 25px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 500;
}

.auth-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.auth-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Loading state pour les boutons */
.btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
    position: relative;
}

.btn.loading::after {
    content: '⟳';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: translateY(-50%) rotate(0deg); }
    to { transform: translateY(-50%) rotate(360deg); }
}

/* Bouton de toggle du thème */
#toggleColor {
    transition: transform 0.3s ease;
}

#toggleColor:hover {
    transform: scale(1.1);
}

/* Responsive pour l'info utilisateur */
@media (max-width: 768px) {
    .user-info {
        flex-direction: column;
        gap: 10px;
    }

    .welcome-text {
        font-size: 14px;
    }

    .header-actions {
        flex-direction: column;
        gap: 10px;
    }
}

body.alt-color {
    background-color: var(--color-primary);
}