/* styles.css - Diseño moderno minimalista en modo oscuro */

/* Variables CSS para el modo oscuro */
:root {
    --bg-color: #1a1a1a;
    --paper-color: #2d2d2d;
    --card-color: #333333;
    --ink-color: #e0e0e0;
    --ink-light: #aaaaaa;
    --border-color: #444444;
    --header-bg: #252525;
    --accent-color: #4d8cff;
    --accent-hover: #3577ff;
    --text-muted: #888888;
    --success-bg: #2d4a2d;
    --success-border: #3d7a3d;
    --success-text: #a8dca8;
    --error-bg: #4a2d2d;
    --error-border: #7a3d3d;
    --error-text: #dca8a8;
    --spacing-unit: 1.5rem;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--ink-color);
    background-color: var(--bg-color);
    font-size: 16px;
    font-weight: 400;
}

.container {
    max-width: 800px;
    margin: 2rem auto;
    background-color: var(--paper-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    min-height: calc(100vh - 4rem);
}

/* Márgenes internos del contenedor principal */
.container-inner {
    padding: 2rem;
    padding-left: 3rem;
    padding-right: 3rem;
}

/* Tipografía con márgenes adecuados */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    margin-bottom: 1rem;
    line-height: 1.3;
    color: var(--ink-color);
    font-weight: 600;
}

h1 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-left: 2rem;
    margin-right: 2rem;
}

h2 {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    margin-left: 1rem;
    margin-right: 1rem;
}

h3 {
    font-size: 1.3rem;
    margin-left: 0.5rem;
    margin-right: 0.5rem;
}

/* Enlaces */
a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s ease;
    border-bottom: 1px solid transparent;
}

a:hover {
    color: var(--accent-hover);
    border-bottom: 1px solid var(--accent-color);
}

/* Botones */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: transparent;
    color: var(--ink-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-primary);
    text-decoration: none;
    text-align: center;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    font-weight: 500;
}

.btn:hover {
    background-color: var(--border-color);
    border-color: #555555;
}

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

.btn-secondary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn-danger {
    background-color: #dc3545;
    color: white;
    border-color: #dc3545;
}

.btn-danger:hover {
    background-color: #c82333;
    border-color: #bd2130;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Formularios */
.form-group {
    margin-bottom: 1.5rem;
    margin-left: 1rem;
    margin-right: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--ink-color);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

input, select, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--card-color);
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--ink-color);
    transition: border-color 0.2s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(77, 140, 255, 0.2);
}

textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

/* Mensajes */
.success, .error {
    padding: 12px 16px;
    margin-bottom: 1.5rem;
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    border: 1px solid;
    margin-left: 1rem;
    margin-right: 1rem;
}

.success {
    background-color: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success-text);
}

.error {
    background-color: var(--error-bg);
    border-color: var(--error-border);
    color: var(--error-text);
}

/* Header */
.blog-header {
    background-color: var(--header-bg);
    padding: 1.5rem 0;
    text-align: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.blog-header h1 {
    margin-bottom: 0.5rem;
    color: var(--ink-color);
    font-weight: 700;
    margin-left: 0;
    margin-right: 0;
}

.blog-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-weight: 400;
    margin-left: 2rem;
    margin-right: 2rem;
}

.blog-nav {
    margin-top: 1rem;
    margin-left: 1rem;
    margin-right: 1rem;
}

.blog-nav a {
    margin: 0 15px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Footer */
.blog-footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    margin-left: 2rem;
    margin-right: 2rem;
}

/* Artículos */
.articles-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.article-card {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-left: 1rem;
    margin-right: 1rem;
}

.article-card:last-child {
    border-bottom: none;
}

.article-card h2 {
    margin-bottom: 0.5rem;
    font-weight: 600;
    margin-left: 0;
    margin-right: 0;
}

.article-card h2 a {
    color: var(--ink-color);
    border-bottom: none;
}

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

.article-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-left: 0;
    margin-right: 0;
}

.categoria {
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.7rem;
}

.fecha {
    color: var(--text-muted);
    font-style: italic;
}

.article-content {
    color: var(--ink-light);
    margin-bottom: 1rem;
    line-height: 1.7;
    font-size: 1rem;
    margin-left: 0;
    margin-right: 0;
}

.article-footer {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
}

/* Artículo completo */
.article-main {
    margin: 1.5rem 0;
}

.article-full {
    padding: 2rem 0;
    margin-left: 2rem;
    margin-right: 2rem;
}

.article-full .article-header {
    margin-bottom: 2rem;
    text-align: center;
}

.article-full h1 {
    margin-bottom: 1rem;
    font-size: 2rem;
    font-weight: 700;
    margin-left: 0;
    margin-right: 0;
}

.article-content-full {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--ink-color);
    font-family: var(--font-primary);
    margin-left: 0;
    margin-right: 0;
}

.article-content-full p {
    margin-bottom: 1.5rem;
    text-align: justify;
}

/* Panel de administración */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--header-bg);
    padding: 1rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    margin-left: 2rem;
    margin-right: 2rem;
}

.admin-header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.admin-login {
    max-width: 350px;
    margin: 3rem auto;
    padding: 2rem;
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    margin-left: 2rem;
    margin-right: 2rem;
}

.admin-content {
    margin-bottom: 2rem;
}

.admin-section {
    padding: 1.5rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    margin-left: 2rem;
    margin-right: 2rem;
}

.admin-section:last-child {
    border-bottom: none;
}

.admin-section h2 {
    margin-bottom: 1.5rem;
    color: var(--ink-color);
    font-weight: 600;
    margin-left: 0;
    margin-right: 0;
}

.articles-list {
    display: grid;
    gap: 1rem;
}

.article-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-left: 1rem;
    margin-right: 1rem;
}

.article-item:last-child {
    border-bottom: none;
}

.article-item h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 500;
    margin-left: 0;
    margin-right: 0;
}

.article-item .article-meta {
    margin-bottom: 1rem;
    margin-left: 0;
    margin-right: 0;
}

.article-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-left: 0;
    margin-right: 0;
}

/* No hay artículos */
.no-articles {
    text-align: center;
    padding: 2rem;
    margin-left: 2rem;
    margin-right: 2rem;
}

.no-articles h2 {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-weight: 400;
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        margin: 1rem;
        box-shadow: none;
    }
    
    .container-inner {
        padding: 1.5rem;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    
    h1 {
        font-size: 1.8rem;
        margin-left: 1rem;
        margin-right: 1rem;
    }
    
    h2 {
        font-size: 1.4rem;
        margin-left: 0.5rem;
        margin-right: 0.5rem;
    }
    
    .blog-header {
        padding: 1rem 0;
    }
    
    .blog-header h1 {
        font-size: 1.6rem;
        margin-left: 0;
        margin-right: 0;
    }
    
    .blog-header p {
        margin-left: 1rem;
        margin-right: 1rem;
    }
    
    .admin-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        margin-left: 1rem;
        margin-right: 1rem;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 0.3rem;
    }
    
    .article-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.3rem;
    }
    
    .blog-nav a {
        display: inline-block;
        margin: 5px;
    }
    
    .article-full {
        margin-left: 1rem;
        margin-right: 1rem;
    }
    
    .admin-section, .admin-login, .no-articles {
        margin-left: 1rem;
        margin-right: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        margin: 0.5rem;
    }
    
    .container-inner {
        padding: 1rem;
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .article-full {
        padding: 1rem 0;
        margin-left: 0.5rem;
        margin-right: 0.5rem;
    }
    
    .article-full h1 {
        font-size: 1.5rem;
    }
    
    .article-content-full {
        font-size: 1rem;
    }
    
    .admin-header h1 {
        font-size: 1.3rem;
    }
    
    h1, h2, h3, .form-group, .success, .error, .article-card, .article-item, 
    .admin-section, .admin-login, .no-articles, .blog-header p, .blog-nav, 
    .blog-footer, .article-full {
        margin-left: 0.5rem;
        margin-right: 0.5rem;
    }
}