/* --- Variables Globales de Diseño --- */
:root {
    --primary-color: #6a11cb;
    --secondary-color: #2575fc;
    --gradiente-principal: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --error-color: #f72585;
    --text-color: #2c3e50;
    --text-color-light: #576475;
    --card-bg: rgba(255, 255, 255, 0.75);
    --border-color: rgba(200, 200, 220, 0.4);
    --shadow-color: rgba(67, 97, 238, 0.15);
    --border-radius-md: 12px;
    --border-radius-sm: 8px;
    --transition-speed: 0.3s;
}

/* --- Estilos Base --- */
* { box-sizing: border-box; }
body {
    font-family: 'Poppins', 'Segoe UI', Tahoma, sans-serif;
    margin: 0;
    padding: 20px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: var(--text-color);
    line-height: 1.6;
    font-weight: 400;
}

/* --- Contenedor Principal con Efecto Vidrio --- */
.container {
    max-width: 900px;
    margin: 30px auto;
    padding: 30px 40px;
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 var(--shadow-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* --- Encabezados y Títulos --- */
header { text-align: center; margin-bottom: 40px; border-bottom: 1px solid var(--border-color); padding-bottom: 30px; }
h1 { font-size: 2.8rem; font-weight: 700; margin: 0 0 5px 0; background: var(--gradiente-principal); -webkit-background-clip: text; -webkit-text-fill-color: transparent; display: inline-block; }
h2 { font-size: 1.8rem; font-weight: 600; color: var(--primary-color); margin-bottom: 20px; }
.subtitle { color: var(--text-color-light); font-size: 1.1rem; margin-top: 5px; }

/* --- Formularios y Controles --- */
.form-section, .card { margin-bottom: 30px; background: rgba(255, 255, 255, 0.6); padding: 25px; border-radius: var(--border-radius-md); border: 1px solid var(--border-color); }
label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--text-color); font-size: 0.9rem; }
select, input[type="text"], input[type="url"], input[type="file"], textarea { width: 100%; padding: 12px 15px; border: 1px solid var(--border-color); background-color: #f8f9fa; border-radius: var(--border-radius-sm); font-size: 1rem; font-family: 'Poppins', sans-serif; transition: all var(--transition-speed) ease; }
select:focus, input:focus, textarea:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px var(--shadow-color); background-color: white; }

/* --- Botones y Enlaces --- */
.btn, button { padding: 12px 25px; background: var(--gradiente-principal); color: white !important; border: none; border-radius: var(--border-radius-sm); font-size: 1rem; font-weight: 600; cursor: pointer; transition: all var(--transition-speed) ease; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); text-decoration: none; display: inline-block; text-align: center; }
.btn:hover, button:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2); text-decoration: none; }
.btn-secondary { background: #34495e; } .btn-secondary:hover { background: #2c3e50; }
.btn-info { background: #17a2b8; } .btn-info:hover { background: #138496; }
.btn-danger { background: #dc3545; } .btn-danger:hover { background: #c82333; }
.btn-small { padding: 6px 14px; font-size: 0.9rem; }
a { color: var(--secondary-color); text-decoration: none; font-weight: 500; } a:hover { text-decoration: underline; }
.top-link { display: inline-block; margin-bottom: 25px; font-weight: 500; color: var(--primary-color); }
.top-link:hover { text-decoration: underline; }

/* --- Estilos para la lista de noticias --- */
.noticias-list { list-style: none; padding: 0; margin: 0; }
.noticia-item { display: flex; gap: 20px; padding: 20px 10px; border-bottom: 1px solid var(--border-color); transition: background-color 0.2s ease; }
.noticia-item:last-child { border-bottom: none; }
.noticia-item:hover { background-color: rgba(255,255,255,0.4); }
.noticia-imagen img { width: 150px; height: 100px; border-radius: var(--border-radius-sm); object-fit: cover; }
.noticia-texto h3 { margin: 0 0 5px 0; }
.noticia-texto h3 a { color: var(--text-color); font-weight: 600; }
.noticia-texto h3 a:hover { color: var(--primary-color); }
.noticia-meta { font-size: 0.8rem; color: var(--text-color-light); margin-bottom: 8px; }

/* --- Alertas y Mensajes Flash --- */
.flash-messages { list-style: none; padding: 0; margin-bottom: 20px; }
.flash-messages li { padding: 15px 20px; border-radius: var(--border-radius-sm); border-left: 5px solid; }
.flash-messages .error { background-color: #fff0f3; color: #d90429; border-color: var(--error-color); }
.flash-messages .success { background-color: #e6fcf5; color: #00b894; border-color: #00b894; }
.flash-messages .warning { background-color: #fffbeb; color: #f39c12; border-color: #f39c12; }

/* --- Estilos para Dashboard y Paginación --- */
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 40px; }
.stat-card { background: rgba(255, 255, 255, 0.8); padding: 20px; border-radius: var(--border-radius-md); text-align: center; border: 1px solid var(--border-color); transition: all 0.3s ease; }
.stat-card:hover { transform: translateY(-5px); box-shadow: 0 4px 15px rgba(0,0,0,0.08); }
.stat-card .stat-number { font-size: 2.5rem; font-weight: 600; background: var(--gradiente-principal); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.2; }
.stat-card .stat-label { font-size: 0.9rem; color: var(--text-color-light); font-weight: 500; margin-top: 5px; }
.pagination { display: flex; justify-content: center; align-items: center; gap: 5px; margin: 30px 0; flex-wrap: wrap; }
.page-link { display: inline-block; padding: 8px 14px; background: rgba(255, 255, 255, 0.6); border: 1px solid var(--border-color); border-radius: var(--border-radius-sm); color: var(--primary-color); text-decoration: none; transition: all 0.2s ease; }
.page-link:hover { background: white; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
.page-link.active { background: var(--gradiente-principal); color: white; border-color: transparent; cursor: default; }
.feed-detail-card { padding: 0; }
.feed-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; background: rgba(233, 236, 239, 0.5); padding: 15px 25px; border-bottom: 1px solid var(--border-color); }
.feed-header h2 { margin: 0; font-size: 1.4rem; }
.feed-body { padding: 25px; }
.feed-body dl { display: grid; grid-template-columns: 120px 1fr; gap: 10px 20px; }
.feed-body dt { font-weight: 600; color: var(--text-color-light); }
.feed-body dd { margin: 0; word-break: break-all; }

/* --- Estilos para la Navegación Principal --- */
.main-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 25px;
    flex-wrap: wrap;
    padding-top: 15px;
}
.nav-link {
    font-weight: 500;
    color: var(--text-color);
    text-decoration: none;
    padding: 8px 15px;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-speed);
}
.nav-link:hover {
    background-color: rgba(255,255,255,0.6);
    text-decoration: none;
    color: var(--primary-color);
}
.nav-actions {
    display: flex;
    gap: 10px;
    margin-left: 20px;
}

/* --- Responsividad --- */
@media (max-width: 768px) {
    .container { padding: 20px; margin: 15px; }
    h1 { font-size: 2rem; }
    .noticia-item { flex-direction: column; }
    .feed-body dl { grid-template-columns: 100px 1fr; }
    .main-nav { flex-direction: column; gap: 10px; }
    .nav-actions { margin-left: 0; margin-top: 10px; }
}

/* --- Estilos para el botón Ver Más --- */
.resumen-container {
    position: relative;
}
.ver-mas-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    font-weight: bold;
    cursor: pointer;
    padding: 5px 0;
    margin-top: 5px;
}
.ver-mas-btn:hover {
    text-decoration: underline;
}

/* --- Estilos para la fila principal del formulario de filtros --- */
.filter-main-row {
    display: flex;
    align-items: flex-end;
    gap: 15px;
    margin-bottom: 20px;
}
.filter-search-box {
    flex-grow: 1;
}
.filter-actions {
    display: flex;
    gap: 10px;
    white-space: nowrap;
}