.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 0.25s ease;
}

.modal-content {
  background-color: var(--bg-card);
  margin: 6% auto;
  padding: 32px;
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 500px;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  position: relative;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid var(--border);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Animaciones y Utilidades extra */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.3s ease-in-out;
}

/* =========================================
   NUEVAS CLASES UTILITARIAS PARA app.js
========================================= */

/* Notification Item / Activity Card */
.notification-card {
    background: var(--bg-card);
    border: 1px solid var(--danger-light);
    border-radius: var(--radius-sm);
    padding: 12px;
    margin-bottom: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.notification-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-1px);
    border-color: var(--danger);
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.notification-title {
    color: var(--danger);
    font-size: 0.85rem;
    display: block;
    margin-bottom: 2px;
    font-weight: 700;
}

.notification-text {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text);
}

@keyframes slideUp {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.modal-header h2 {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
}

.close-modal {
  font-size: 24px;
  font-weight: 700;
  cursor: pointer;
  color: var(--muted);
  transition: color 0.2s;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg);
}

.close-modal:hover {
    color: var(--text);
    background-color: var(--border);
}
.role-section {
    display: none;
}