/* Módulo Estructura Académica - EDUWEB */
.acad-header { margin-bottom: 28px; }
.acad-header h1 { color: var(--accent-color-academico); margin: 0 0 8px; font-size: 1.75rem; }
.acad-header p { color: var(--text-muted); margin: 0; }
.acad-badge-rol { display: inline-block; background: #e8f4fc; color: var(--accent-color-academico); padding: 4px 12px; border-radius: 20px; font-size: 0.8rem; font-weight: 600; margin-top: 8px; }

.acad-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.acad-tab-btn {
    background: var(--bg-card); border: 1px solid var(--border-color); padding: 12px 20px; border-radius: 10px;
    cursor: pointer; font-weight: 600; color: var(--text-muted); display: inline-flex; align-items: center; gap: 8px;
    transition: all 0.2s; text-decoration: none;
}
.acad-tab-btn:hover { border-color: var(--accent-color-academico); color: var(--accent-color-academico); }
.acad-tab-btn.active { background: var(--accent-color-academico); color: #fff; border-color: var(--accent-color-academico); }

.acad-panel { display: none; background: var(--bg-card); padding: 28px; border-radius: 14px; box-shadow: 0 4px 18px rgba(30,60,114,0.06); margin-bottom: 24px; }
.acad-panel.active { display: block; }

.acad-alert { padding: 14px 18px; border-radius: 10px; margin-bottom: 20px; font-size: 0.95rem; }
.acad-alert-exito { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.acad-alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.acad-alert-info { background: #e8f4fc; color: #1e3c72; border: 1px solid #b8d4e8; }

.acad-form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-bottom: 20px; }
.acad-field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-main); margin-bottom: 6px; }
.acad-field input, .acad-field select {
    width: 100%; padding: 10px 12px; border: 1px solid var(--border-color); border-radius: 8px; font-size: 0.95rem;
    background: var(--input-bg); color: var(--text-main);
}
.acad-field input:focus, .acad-field select:focus { outline: none; border-color: var(--accent-color-academico); box-shadow: 0 0 0 3px rgba(30,60,114,0.1); }
.acad-field-full { grid-column: 1 / -1; }

.acad-btn { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 8px; font-weight: 600; border: none; cursor: pointer; text-decoration: none; font-size: 0.9rem; line-height: 1.4; transition: 0.2s; }
.acad-btn-primary { background: var(--accent-color-academico); color: #fff; }
.acad-btn-primary:hover { background: #152a52; }
.acad-btn-success { background: #27ae60; color: #fff; }
.acad-btn-success:hover { background: #219a52; }
.acad-btn-danger { background: #e74c3c; color: #fff; }
.acad-btn-outline { background: #fff; color: #1e3c72; border: 1px solid #1e3c72; }
.acad-btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.acad-btn:disabled, .acad-btn.disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.acad-table-wrap { overflow-x: auto; margin-top: 28px; }
.acad-table { width: 100%; border-collapse: collapse; }
.acad-table th { padding: 12px 14px; text-align: left; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); border-bottom: 2px solid var(--border-color); }
.acad-table td { padding: 14px; border-bottom: 1px solid var(--border-color); color: var(--text-main); vertical-align: middle; }
.acad-table tr:hover td { background: var(--bg-surface); }
.acad-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.acad-readonly-banner {
    background: linear-gradient(135deg, #eef4fb, #f8fafc);
    border-left: 4px solid #3498db;
    padding: 12px 16px;
    border-radius: 0 8px 8px 0;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #2c3e50;
}

.acad-prelaciones-box {
    border: 1px dashed #dce4ec; border-radius: 10px; padding: 16px;
    max-height: 200px; overflow-y: auto; background: #fafbfc;
}
.acad-prelaciones-box label { display: block; padding: 6px 0; font-weight: normal; cursor: pointer; }
.acad-prelaciones-box input { margin-right: 8px; }

.acad-link-bar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }

.acad-badge-semestre {
    display: inline-block;
    background: #e8f0fa;
    color: #1e3c72;
    font-weight: 600;
    font-size: 0.82rem;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid #c5d9ed;
    white-space: nowrap;
}