/* ============================================================
   creditos.css — Estilos para la página de créditos y DUA
   Módulo: Sistemas Eléctricos en Centrales
   ============================================================ */

:root {
    --accent:       #2c3e50;
    --highlight-bg: #f0f4f8;
    --p1-color:     #2980b9;  /* Principio I  — Representación */
    --p2-color:     #e67e22;  /* Principio II — Acción         */
    --p3-color:     #27ae60;  /* Principio III — Implicación   */
    --tech-color:   #3498db;
    --media-color:  #8e44ad;
    --access-color: #16a085;
}

/* Borde superior específico de esta página */
.container.tema-creditos { border-top-color: var(--accent); }

/* ── Cuadrícula de tarjetas de recursos ── */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
    margin: 20px 0 30px 0;
}

.resource-card {
    display: flex;
    gap: 16px;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 18px;
    border-left: 5px solid #ccc;
    transition: box-shadow 0.2s, transform 0.2s;
}

.resource-card:hover {
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

/* Colores por tipo */
.resource-card.tech   { border-left-color: var(--tech-color); }
.resource-card.media  { border-left-color: var(--media-color); }
.resource-card.access { border-left-color: var(--access-color); }

.rc-icon {
    font-size: 2em;
    flex-shrink: 0;
    line-height: 1.2;
}

.rc-body h3 {
    margin: 0 0 2px 0;
    font-size: 1em;
    color: #2c3e50;
}

.rc-type {
    font-size: 0.78em;
    color: #888;
    margin: 0 0 8px 0;
    font-style: italic;
}

.rc-body p {
    font-size: 0.88em;
    color: #555;
    margin: 0 0 8px 0;
    line-height: 1.5;
}

.rc-link {
    display: inline-block;
    font-size: 0.82em;
    color: var(--tech-color);
    text-decoration: none;
    margin-bottom: 6px;
}

.rc-link:hover { text-decoration: underline; }

/* Badges de licencia */
.rc-badge {
    display: inline-block;
    font-size: 0.72em;
    font-weight: bold;
    padding: 2px 8px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.rc-badge.free     { background: #e8f5e9; color: #27ae60; }
.rc-badge.freemium { background: #fff3e0; color: #e67e22; }
.rc-badge.own      { background: #e3f2fd; color: #1565c0; }

/* ── Bloques DUA ── */
.dua-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 20px 0 30px 0;
}

.dua-block {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
}

.dua-header {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 20px 24px;
    border-bottom: 1px solid #eee;
}

/* Color de cabecera por principio */
.principio-1 .dua-header { background: #eaf4fb; border-left: 6px solid var(--p1-color); }
.principio-2 .dua-header { background: #fef5eb; border-left: 6px solid var(--p2-color); }
.principio-3 .dua-header { background: #eafaf1; border-left: 6px solid var(--p3-color); }

.dua-num {
    font-size: 2em;
    font-weight: 900;
    line-height: 1;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
}

.principio-1 .dua-num { background: var(--p1-color); }
.principio-2 .dua-num { background: var(--p2-color); }
.principio-3 .dua-num { background: var(--p3-color); }

.dua-header h3 {
    margin: 0 0 4px 0;
    font-size: 1.05em;
    color: #2c3e50;
}

.dua-sub {
    margin: 0;
    font-size: 0.85em;
    color: #666;
    font-style: italic;
}

/* Lista de medidas DUA */
.dua-list {
    list-style: none;
    padding: 16px 24px;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.dua-list li {
    display: flex;
    gap: 12px;
    font-size: 0.9em;
    color: #444;
    line-height: 1.55;
}

.dua-check {
    flex-shrink: 0;
    font-size: 1.1em;
    margin-top: 1px;
}

.principio-1 .dua-check { color: var(--p1-color); }
.principio-2 .dua-check { color: var(--p2-color); }
.principio-3 .dua-check { color: var(--p3-color); }

/* Responsivo */
@media (max-width: 600px) {
    .resource-grid { grid-template-columns: 1fr; }
    .dua-header { flex-direction: column; gap: 10px; }
}