/*
 * Feuille de styles de MiniNews.
 *
 * L'application repose desormais sur Bootstrap 5 (importe dans assets/app.js).
 * Ce fichier ajoute une palette "etudiante" vivante, quelques animations et des
 * ajustements specifiques aux composants pedagogiques du TP.
 */

/* --------------------------------------------------------------------------
 * 1. Variables de couleurs etudiantes
 * -------------------------------------------------------------------------- */
:root {
    /* Couleurs principales: bleu petrole serieux, orange chaleureux. */
    --mn-primary: #176b87;
    --mn-primary-dark: #0f4f63;
    --mn-primary-light: #e8f4f8;
    --mn-accent: #d9822b;
    --mn-accent-light: #fff4e6;

    /* Neutres chauds pour une interface agrable a lire. */
    --mn-page: #f7f4ef;
    --mn-surface: #ffffff;
    --mn-text: #1f2937;
    --mn-muted: #6b7280;
    --mn-border: #e5e0d8;

    /* Etats. */
    --mn-success: #0f766e;
    --mn-success-bg: #d1fae5;
    --mn-danger: #b91c1c;
    --mn-danger-bg: #fee2e2;
    --mn-warning: #92400e;
    --mn-warning-bg: #fef3c7;

    /* Rayons et ombres. */
    --mn-radius: 14px;
    --mn-shadow: 0 10px 30px rgba(23, 107, 135, 0.08);
    --mn-shadow-hover: 0 16px 40px rgba(23, 107, 135, 0.14);

    /* Durees d'animation. */
    --mn-transition: 0.25s ease;
}

/* --------------------------------------------------------------------------
 * 2. Corps de page et typographie
 * -------------------------------------------------------------------------- */
body {
    background-color: var(--mn-page);
    color: var(--mn-text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--mn-primary-dark);
    font-weight: 700;
}

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

a:hover {
    color: var(--mn-accent);
}

/* --------------------------------------------------------------------------
 * 3. Barre de navigation responsive
 * -------------------------------------------------------------------------- */
.mn-navbar {
    background: linear-gradient(135deg, var(--mn-primary) 0%, var(--mn-primary-dark) 100%);
    box-shadow: var(--mn-shadow);
}

.mn-navbar .navbar-brand {
    color: #fff;
    font-weight: 800;
    font-size: 1.35rem;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

.mn-navbar .navbar-brand:hover {
    color: var(--mn-accent-light);
}

.mn-navbar .navbar-brand img {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.mn-navbar .nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    border-radius: 8px;
    padding: 0.45rem 0.85rem;
    transition: background-color var(--mn-transition), color var(--mn-transition);
}

.mn-navbar .nav-link:hover,
.mn-navbar .nav-link:focus {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.12);
}

.mn-navbar .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.35);
}

.mn-navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.mn-nav-user {
    color: var(--mn-accent-light);
    font-weight: 600;
    padding: 0.45rem 0.85rem;
}

/* --------------------------------------------------------------------------
 * 4. Conteneur principal
 * -------------------------------------------------------------------------- */
.mn-page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1rem 4rem;
}

@media (min-width: 768px) {
    .mn-page-container {
        padding: 2.5rem 1.5rem 5rem;
    }
}

/* --------------------------------------------------------------------------
 * 5. Boutons personnalises (complement de Bootstrap)
 * -------------------------------------------------------------------------- */
.mn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-weight: 600;
    border-radius: 10px;
    padding: 0.55rem 1.15rem;
    transition: transform var(--mn-transition), box-shadow var(--mn-transition), background-color var(--mn-transition);
    border: none;
}

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

.mn-btn-primary {
    background-color: var(--mn-primary);
    color: #fff;
}

.mn-btn-primary:hover {
    background-color: var(--mn-primary-dark);
    color: #fff;
}

.mn-btn-accent {
    background-color: var(--mn-accent);
    color: #fff;
}

.mn-btn-accent:hover {
    background-color: #c06e1f;
    color: #fff;
}

.mn-btn-light {
    background-color: #fff;
    color: var(--mn-primary);
    border: 1px solid var(--mn-border);
}

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

.mn-btn-danger {
    background-color: var(--mn-danger);
    color: #fff;
}

.mn-btn-danger:hover {
    background-color: #991b1b;
    color: #fff;
}

.mn-btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.875rem;
    border-radius: 8px;
}

/* --------------------------------------------------------------------------
 * 6. Hero de la page d'accueil
 * -------------------------------------------------------------------------- */
.mn-hero {
    background: linear-gradient(135deg, var(--mn-primary-light) 0%, #fff 100%);
    border-radius: var(--mn-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--mn-shadow);
    border: 1px solid var(--mn-border);
}

@media (min-width: 768px) {
    .mn-hero {
        padding: 3rem;
    }
}

.mn-eyebrow {
    color: var(--mn-accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
}

.mn-hero h1 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.mn-hero-text {
    color: var(--mn-muted);
    font-size: 1.1rem;
    max-width: 700px;
}

.mn-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.mn-hero-panel {
    background: #fff;
    border-radius: 12px;
    padding: 1.25rem;
    margin-top: 1.5rem;
    border-left: 4px solid var(--mn-accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.mn-hero-panel ul {
    margin-bottom: 0;
    padding-left: 1.2rem;
}

.mn-hero-panel li {
    margin-bottom: 0.35rem;
}

/* --------------------------------------------------------------------------
 * 7. Cartes fonctionnalites et articles
 * -------------------------------------------------------------------------- */
.mn-feature-card,
.mn-article-card {
    background: var(--mn-surface);
    border: 1px solid var(--mn-border);
    border-radius: var(--mn-radius);
    padding: 1.5rem;
    height: 100%;
    transition: transform var(--mn-transition), box-shadow var(--mn-transition);
    cursor: pointer;
}

.mn-feature-card:hover,
.mn-article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--mn-shadow-hover);
}

.mn-feature-card.is-active {
    border-color: var(--mn-primary);
    box-shadow: 0 0 0 3px rgba(23, 107, 135, 0.15);
}

.mn-feature-number {
    display: inline-block;
    background: var(--mn-accent-light);
    color: var(--mn-accent);
    font-weight: 800;
    font-size: 0.85rem;
    padding: 0.25rem 0.7rem;
    border-radius: 20px;
    margin-bottom: 0.75rem;
}

.mn-article-card h2 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.mn-article-card h2 a {
    color: var(--mn-primary-dark);
}

.mn-article-card h2 a:hover {
    color: var(--mn-accent);
}

.mn-article-card .mn-meta {
    color: var(--mn-muted);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.mn-article-card p {
    color: var(--mn-muted);
}

/* --------------------------------------------------------------------------
 * 8. Page de detail d'article
 * -------------------------------------------------------------------------- */
.mn-article-detail {
    background: var(--mn-surface);
    border-radius: var(--mn-radius);
    padding: 2rem;
    box-shadow: var(--mn-shadow);
    border: 1px solid var(--mn-border);
}

@media (min-width: 768px) {
    .mn-article-detail {
        padding: 3rem;
    }
}

.mn-article-detail h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 0.75rem;
}

.mn-article-detail .mn-meta {
    color: var(--mn-muted);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.mn-article-detail .mn-lead {
    font-size: 1.2rem;
    color: var(--mn-primary);
    font-weight: 500;
    border-left: 4px solid var(--mn-accent);
    padding-left: 1rem;
    margin-bottom: 1.5rem;
}

.mn-article-content {
    font-size: 1.05rem;
    line-height: 1.8;
}

.mn-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

/* --------------------------------------------------------------------------
 * 9. Section commentaires compacte et likes/dislikes
 * -------------------------------------------------------------------------- */
.mn-comments {
    margin-top: 2rem;
}

.mn-comments-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.mn-comment-count {
    background: var(--mn-primary-light);
    color: var(--mn-primary-dark);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
}

.mn-comment-form {
    background: var(--mn-surface);
    border-radius: var(--mn-radius);
    padding: 1.25rem;
    border: 1px solid var(--mn-border);
    margin-bottom: 1.5rem;
}

.mn-comment-list {
    /* Limite la hauteur pour permettre de scroller quand il y a beaucoup de
       commentaires, et offre une navigation plus fluide. */
    max-height: 600px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

/* Scrollbar custom leger pour navigateurs WebKit. */
.mn-comment-list::-webkit-scrollbar {
    width: 6px;
}

.mn-comment-list::-webkit-scrollbar-thumb {
    background-color: var(--mn-border);
    border-radius: 4px;
}

.mn-comment-card {
    display: flex;
    gap: 1rem;
    background: var(--mn-surface);
    border: 1px solid var(--mn-border);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 0.75rem;
    transition: box-shadow var(--mn-transition);
}

.mn-comment-card:hover {
    box-shadow: var(--mn-shadow);
}

.mn-comment-avatar {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--mn-primary) 0%, var(--mn-accent) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

.mn-comment-body {
    flex: 1;
    min-width: 0;
}

.mn-comment-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: 0.35rem;
}

.mn-comment-author {
    font-weight: 700;
    color: var(--mn-primary-dark);
}

.mn-comment-date {
    font-size: 0.8rem;
    color: var(--mn-muted);
}

.mn-comment-text {
    color: var(--mn-text);
    margin-bottom: 0.75rem;
    word-break: break-word;
}

.mn-comment-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.mn-reaction-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: #fff;
    border: 1px solid var(--mn-border);
    border-radius: 20px;
    padding: 0.3rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--mn-muted);
    transition: all var(--mn-transition);
}

.mn-reaction-btn:hover {
    background: var(--mn-primary-light);
    border-color: var(--mn-primary);
    color: var(--mn-primary);
}

.mn-reaction-btn.is-active-like {
    background: var(--mn-success-bg);
    border-color: var(--mn-success);
    color: var(--mn-success);
}

.mn-reaction-btn.is-active-dislike {
    background: var(--mn-danger-bg);
    border-color: var(--mn-danger);
    color: var(--mn-danger);
}

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

.mn-login-notice {
    background: var(--mn-accent-light);
    border-radius: 10px;
    padding: 1rem;
    color: var(--mn-warning);
    font-weight: 500;
}

/* --------------------------------------------------------------------------
 * 10. Formulaires d'authentification et admin
 * -------------------------------------------------------------------------- */
.mn-auth-card,
.mn-form-page {
    background: var(--mn-surface);
    border-radius: var(--mn-radius);
    padding: 2rem;
    max-width: 520px;
    margin: 2rem auto;
    box-shadow: var(--mn-shadow);
    border: 1px solid var(--mn-border);
}

.mn-form-page {
    max-width: 760px;
}

.mn-auth-card h1,
.mn-form-page h1 {
    margin-bottom: 1.25rem;
    text-align: center;
}

.mn-form-page .mn-back-link {
    display: block;
    text-align: center;
    margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
 * 11. Tableaux d'administration
 * -------------------------------------------------------------------------- */
.mn-admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.mn-admin-table {
    background: var(--mn-surface);
    border-radius: var(--mn-radius);
    overflow: hidden;
    box-shadow: var(--mn-shadow);
    border: 1px solid var(--mn-border);
}

.mn-admin-table th {
    background-color: var(--mn-primary-light);
    color: var(--mn-primary-dark);
    font-weight: 700;
    border-bottom: 2px solid var(--mn-border);
}

.mn-admin-table td,
.mn-admin-table th {
    vertical-align: middle;
    padding: 1rem;
}

.mn-admin-table tbody tr:hover {
    background-color: #faf8f5;
}

.mn-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.mn-actions form {
    margin: 0;
}

.mn-link-danger {
    background: none;
    border: none;
    color: var(--mn-danger);
    font-weight: 600;
    padding: 0;
    cursor: pointer;
}

.mn-link-danger:hover {
    color: #991b1b;
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
 * 12. Badges
 * -------------------------------------------------------------------------- */
.mn-badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 700;
    border-radius: 20px;
}

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

.mn-badge-muted {
    background: #f3f4f6;
    color: var(--mn-muted);
}

/* --------------------------------------------------------------------------
 * 13. Messages flash auto-disparaissants
 * -------------------------------------------------------------------------- */
.mn-flash {
    padding: 1rem 1.25rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    font-weight: 600;
    border: 1px solid transparent;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.mn-flash-fade-out {
    opacity: 0;
    transform: translateY(-10px);
}

.mn-flash-success {
    background: var(--mn-success-bg);
    color: var(--mn-success);
    border-color: #a7f3d0;
}

.mn-flash-error {
    background: var(--mn-danger-bg);
    color: var(--mn-danger);
    border-color: #fecaca;
}

.mn-flash-warning {
    background: var(--mn-warning-bg);
    color: var(--mn-warning);
    border-color: #fde68a;
}

.mn-flash-info {
    background: var(--mn-primary-light);
    color: var(--mn-primary-dark);
    border-color: #bae6fd;
}

/* --------------------------------------------------------------------------
 * 14. Animations
 * -------------------------------------------------------------------------- */
[data-animate="fade-up"] {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

[data-animate="fade-up"].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------------------------------------------------
 * 15. Etats vides
 * -------------------------------------------------------------------------- */
.mn-empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    background: var(--mn-surface);
    border-radius: var(--mn-radius);
    border: 2px dashed var(--mn-border);
}

.mn-empty-state h2 {
    margin-bottom: 0.75rem;
}

/* --------------------------------------------------------------------------
 * 16. Responsive: ajustements mobile
 * -------------------------------------------------------------------------- */
@media (max-width: 576px) {
    .mn-page-container {
        padding: 1rem 0.75rem 3rem;
    }

    .mn-hero {
        padding: 1.25rem;
        border-radius: 12px;
    }

    .mn-hero-actions {
        flex-direction: column;
    }

    .mn-hero-actions .mn-btn {
        width: 100%;
    }

    .mn-article-detail,
    .mn-auth-card,
    .mn-form-page {
        padding: 1.25rem;
        border-radius: 12px;
    }

    .mn-comment-card {
        flex-direction: column;
        gap: 0.75rem;
    }

    .mn-comment-avatar {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }

    .mn-admin-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .mn-admin-table th,
    .mn-admin-table td {
        padding: 0.75rem;
        font-size: 0.9rem;
    }

    .mn-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}