/* ============================================================
   EduNexus — Componentes: Auth, Modal, Toast, Notificaciones
   ============================================================ */

/* ─────────────────────────────────────────
   GLOBAL MODALS v4.4 (Definitive Sync)
───────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
}

.modal.show {
  display: flex !important;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: -1;
  transition: all 0.3s ease;
}

.modal-container {
  background: white;
  width: 95%;
  max-width: 500px;
  border-radius: 30px !important;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 90vh;
  z-index: 2001;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-vibrant-purple {
  background: #7c3aed !important;
  filter: saturate(1.5);
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.5) !important;
  transform: translateY(-2px);
  color: white !important;
}

.btn-vibrant-purple:hover {
  background: #6d28d9 !important;
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(124, 58, 237, 0.6) !important;
}

/* ─────────────────────────────────────────
   AUTH SCREENS
───────────────────────────────────────── */
.auth-section {
  min-height: 100vh;
  background: var(--bg-app);
}

.auth-screen {
  display: flex;
  min-height: 100vh;
}

.auth-left {
  flex: 1;
  background: var(--color-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  position: relative;
  overflow: hidden;
}

.auth-left::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
}
.auth-left::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 350px;
  height: 350px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
}

.auth-brand {
  text-align: center;
  z-index: 1;
}

.brand-logo {
  width: 80px;
  height: 80px;
  background: rgba(255,255,255,0.15);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  margin: 0 auto 20px;
  backdrop-filter: blur(4px);
  overflow: hidden;
}

.auth-brand h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: white;
  margin-bottom: 8px;
}
.auth-brand p {
  color: rgba(255,255,255,0.65);
  font-size: 1rem;
}

.auth-features {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  z-index: 1;
}

.auth-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
}
.auth-feature i {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.auth-right {
  flex: 0 0 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  overflow-y: auto;
}

.auth-form-container {
  width: 100%;
  max-width: 380px;
}

.auth-form-container h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.auth-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.auth-links {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  gap: 8px;
  flex-wrap: wrap;
}
.auth-links a {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 500;
}
.auth-links a:hover { text-decoration: underline; }

/* Pending Access Screen */
.pending-icon {
  width: 80px;
  height: 80px;
  background: var(--bg-app);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-warning);
  margin: 0 auto 24px;
}

.pending-msg {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
  padding: 16px;
  background: #fef3c7;
  border-radius: var(--border-radius-sm);
  border-left: 3px solid var(--color-warning);
}

/* Setup Modal */
.setup-modal {
  position: fixed;
  inset: 0;
  background: rgba(30,58,95,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  padding: 24px;
}
.setup-card {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 40px;
  max-width: 440px;
  width: 100%;
  text-align: center;
}
.setup-icon {
  width: 64px;
  height: 64px;
  background: #eff6ff;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
  margin: 0 auto 16px;
}
.setup-card h2 { font-size: 1.4rem; font-weight: 700; margin-bottom: 8px; }
.setup-card p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 24px; }
.setup-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 16px; }

/* ─────────────────────────────────────────
   MODAL
───────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(2px);
}

.modal-container {
  position: fixed !important;
  left: 50% !important;
  top: 50% !important;
  transform: translate(-50%, -50%) !important;
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 95% !important;
  max-width: 500px !important;
  max-height: 95vh;
  display: flex;
  flex-direction: column;
  z-index: 501;
  animation: modalIn 0.2s ease;
}

.modal-container.modal-lg { max-width: 720px; }
.modal-container.modal-xl { max-width: 900px; }
.modal-container.modal-sm { max-width: 380px; }

@keyframes modalIn {
  from { transform: scale(0.95) translateY(-10px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}
.modal-close:hover { background: var(--bg-app); color: var(--text-primary); }

.modal-body {
  padding: 24px;
  overflow-y: auto !important;
  max-height: 80vh !important;
  flex: 1;
}

@media (max-width: 480px) {
  .modal-body {
    padding: 16px;
  }
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
}

/* ─────────────────────────────────────────
   TOAST NOTIFICATIONS
───────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 380px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-lg);
  background: white;
  border-left: 4px solid var(--color-info);
  font-size: 0.875rem;
  transform: translateX(120%);
  transition: transform 0.3s ease;
  max-width: 380px;
}
.toast.show { transform: translateX(0); }
.toast span { flex: 1; }
.toast button { color: var(--text-muted); padding: 2px; font-size: 0.75rem; }
.toast button:hover { color: var(--text-primary); }
.toast i { font-size: 1rem; flex-shrink: 0; }

.toast-success { border-color: var(--color-success); }
.toast-success i { color: var(--color-success); }
.toast-error { border-color: var(--color-danger); }
.toast-error i { color: var(--color-danger); }
.toast-warning { border-color: var(--color-warning); }
.toast-warning i { color: var(--color-warning); }
.toast-info { border-color: var(--color-info); }
.toast-info i { color: var(--color-info); }

/* ─────────────────────────────────────────
   NOTIFICATIONS PANEL
───────────────────────────────────────── */
.notifications-panel {
  position: fixed;
  top: var(--topbar-height);
  right: 16px;
  width: 360px;
  max-height: calc(100vh - 80px);
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  z-index: 300;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.notif-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.notif-header h3 { font-size: 0.95rem; font-weight: 700; }
.notif-header button {
  font-size: 0.78rem;
  color: var(--color-primary);
  font-weight: 600;
}
.notif-header button:hover { text-decoration: underline; }

.notif-list { overflow-y: auto; flex: 1; }

.notif-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.notif-item:hover { background: var(--bg-app); }
.notif-item.unread { background: #eff6ff; }

.notif-icon { font-size: 1.1rem; margin-top: 2px; flex-shrink: 0; }
.notif-content { flex: 1; min-width: 0; }
.notif-title { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.notif-msg { font-size: 0.78rem; color: var(--text-secondary); margin-top: 2px; }
.notif-time { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; }
.notif-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}

.notif-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}
.notif-empty i { font-size: 2rem; margin-bottom: 12px; display: block; opacity: 0.4; }
.notif-empty p { font-size: 0.875rem; }

/* ─────────────────────────────────────────
   IMAGE UPLOAD
───────────────────────────────────────── */
.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-app);
}

@media (max-width: 480px) {
  .upload-area {
    padding: 20px 10px;
  }
  .upload-area i {
    font-size: 1.5rem;
  }
}
.upload-area:hover, .upload-area.drag-over {
  border-color: var(--color-primary);
  background: #eff6ff;
}
.upload-area i { font-size: 2rem; color: var(--text-muted); margin-bottom: 12px; display: block; }
.upload-area p { font-size: 0.875rem; color: var(--text-secondary); }
.upload-area span { font-size: 0.78rem; color: var(--text-muted); }
.upload-area input { display: none; }

/* ─────────────────────────────────────────
   ANNOUNCEMENT TYPES
───────────────────────────────────────── */
.announcement-card {
  border-radius: var(--border-radius-sm);
  padding: 16px;
  border-left: 4px solid;
  background: white;
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
}
.announcement-card.urgent { border-color: var(--color-danger); background: #fef2f2; }
.announcement-card.warning { border-color: var(--color-warning); background: #fffbeb; }
.announcement-card.info { border-color: var(--color-info); background: #eff6ff; }

/* ─────────────────────────────────────────
   TIMELINE / ACTIVITY
───────────────────────────────────────── */
.timeline { position: relative; padding-left: 20px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}
.timeline-item {
  position: relative;
  padding: 0 0 16px 20px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 0 0 2px var(--border-color);
}
.timeline-time { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 4px; }
.timeline-text { font-size: 0.875rem; color: var(--text-primary); }

/* ─────────────────────────────────────────
   RESPONSIVE AUTH
───────────────────────────────────────── */
@media (max-width: 768px) {
  .auth-left { display: none; }
  .auth-right { flex: 1; }
  .notifications-panel { right: 0; left: 0; width: auto; border-radius: 0; }
  
  /* FLUID MODAL LAYOUT FOR MOBILE */
  .modal-container {
    width: 95% !important;
    margin: 10px auto !important;
    position: relative !important;
    left: 0 !important;
    top: 0 !important;
    transform: none !important;
    max-height: 90vh !important;
    overflow-y: auto !important;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2) !important;
  }
  .modal {
    align-items: flex-start !important;
    overflow-y: auto !important;
    padding: 10px !important;
    display: block !important; /* Allow natural scrolling */
  }
  .modal-overlay {
    position: fixed !important;
  }
}

/* ─────────────────────────────────────────
   LOGIN REDESIGN (BASE & RESPONSIVE)
───────────────────────────────────────── */
.auth-screen-centered {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: 100vh !important;
  background-color: #fafbfc !important;
  padding: 60px 20px !important;
  width: 100% !important;
  margin: 0 !important;
  overflow-x: hidden !important;
}
.auth-screen-centered.hidden {
  display: none !important;
}
.login-header-top {
  text-align: center !important;
  margin-bottom: 40px !important;
  max-width: 650px !important;
  width: 100% !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
}
.login-logo-image {
  height: 140px !important;
  width: 140px !important;
  object-fit: contain !important;
  margin-bottom: 24px !important;
  background: white !important;
  padding: 15px !important;
  border-radius: 30px !important;
  box-shadow: 0 10px 30px rgba(106, 27, 154, 0.2) !important; /* Efecto Brillo solicitado v7.1 */
  transition: transform 0.3s ease !important;
}
.login-logo-image:hover {
  transform: translateY(-5px) scale(1.02) !important;
}
.login-main-title {
  font-family: 'Playfair Display', serif !important;
  font-weight: 700 !important;
  color: #4A7C92 !important; /* Azul Coastal EduNexus solicitado v9.8.8 */
  font-size: 32px !important;
  margin: 0 !important;
  line-height: 1.3 !important;
  letter-spacing: -0.5px !important;
}
.login-card-centered {
  background: white !important;
  border-radius: 24px !important;
  box-shadow: 0 12px 40px rgba(0,0,0,0.06) !important;
  padding: 48px 40px !important;
  width: 100% !important;
  max-width: 480px !important;
  text-align: center !important;
  border: 1px solid #f1f5f9 !important;
  z-index: 5 !important;
}
.login-card-title {
  font-family: 'Playfair Display', serif !important;
  font-size: 26px !important;
  color: #111827 !important;
  font-weight: 700 !important;
  margin-bottom: 8px !important;
}
.login-card-sub {
  color: #6b7280 !important;
  font-size: 14px !important;
  margin-bottom: 32px !important;
}
.login-input {
  width: 100% !important;
  padding: 14px 20px !important;
  border-radius: 50px !important;
  border: 1.5px solid #e2e8f0 !important;
  font-size: 15px !important;
  background: #ffffff !important;
}
.btn-login-main {
  width: 100% !important;
  padding: 16px !important;
  border-radius: 50px !important;
  background-color: #FFD20D !important; /* Amarillo Premium solicitado v9.8.7 */
  color: #1A202C !important; /* Contraste Oscuro */
  font-weight: 800 !important;
  font-size: 16px !important;
  margin-top: 16px !important;
  box-shadow: 0 8px 20px rgba(255, 210, 13, 0.3) !important;
  transition: all 0.3s ease !important;
  border: none !important;
  text-transform: uppercase !important;
  letter-spacing: 1px !important;
}
.btn-login-main:hover {
  background-color: #e6bc0c !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 12px 25px rgba(255, 210, 13, 0.4) !important;
}

/* 🏛️ FIX DE VISIBILIDAD LOGIN v9.9.2 🏛️ */
.auth-footer-text {
  color: #4A7C92 !important; /* Azul Coastal para visibilidad en fondo claro #fafbfc */
  opacity: 0.8;
}

.login-link-register {
  color: #4A7C92 !important; /* Azul Coastal para visibilidad en fondo claro #fafbfc */
  text-decoration: underline !important;
  font-weight: 700 !important;
}

.login-link-password {
  color: #4A7C92 !important; /* Mantiene Azul Coastal dentro de tarjeta blanca */
  text-decoration: underline !important;
  font-weight: 700 !important;
}

.login-link-register:hover, 
.login-link-password:hover {
  color: #3F6372 !important;
  text-decoration: none !important;
}
.login-footer-bottom {
  text-align: center !important;
  font-size: 12px !important;
  color: #FFFFFF !important; /* Blanco Puro para contraste */
  margin-top: 48px !important;
  padding: 0 20px 40px !important;
  width: 100% !important;
  position: relative !important;
  opacity: 0.8;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .auth-screen-centered {
    padding: 24px 16px !important;
    justify-content: flex-start !important;
  }
  .login-logo-image {
    height: 90px !important;
  }
  .login-main-title {
    font-size: 22px !important;
  }
}

/* ─────────────────────────────────────────
   REGISTER PAYMENT PREMIUM UI (v4.0)
───────────────────────────────────────── */
.register-payment-card {
  background: white;
  border-radius: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  max-width: 600px;
  width: 100%;
  margin: 40px auto;
  overflow: hidden;
  animation: fadeIn 0.3s ease-out;
}

.register-payment-header {
  background: #002147;
  color: white;
  padding: 30px;
  text-align: center;
  position: relative;
}

.register-payment-header h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  margin: 0;
  font-weight: 700;
  color: #FFFFFF !important; /* Forza legibilidad total */
}

.register-payment-header p {
  opacity: 0.9;
  margin-top: 8px;
  font-size: 0.95rem;
  color: #DBEAFE !important; /* Azul claro para contraste suave pero legible */
}

.register-payment-body {
  padding: 30px;
  padding-bottom: 120px !important; /* Critical: Ensure interactive space for months/actions */
}

input[type="date"] {
  display: block !important;
  width: 100% !important;
  border: 1.5px solid #e2e8f0 !important;
  border-radius: 12px !important;
  padding: 12px !important;
  cursor: pointer !important;
  appearance: auto !important;
  -webkit-appearance: auto !important;
  background: white !important;
  color: #1e293b !important;
}


/* Selector de Métodos de Pago */
.payment-methods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.month-badge-hive {
    position: relative;
    padding: 0.8rem 0.5rem;
    border-radius: 12px;
    background: white;
    border: 2px solid #e2e8f0;
    color: #1A202C !important;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* Meses Pagados - Blindaje v9.8.0 */
.month-badge-hive.month-paid {
    pointer-events: none !important;
    opacity: 0.6 !important;
    text-decoration: line-through !important;
    background-color: #E2E8F0 !important;
    border-color: #CBD5E0 !important;
    color: #4A5568 !important; /* Gris oscuro para el texto tachado */
}

.payment-method-card {
  border: 2px solid #e2e8f0;
  border-radius: 16px;
  padding: 16px 10px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  background: #f8fafc;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.payment-method-card i {
  font-size: 1.5rem;
  color: #64748b;
  transition: color 0.2s ease;
}

.payment-method-card span {
  font-size: 0.85rem;
  font-weight: 600;
  color: #475569;
}

.payment-method-card.selected {
  border: 3px solid #002147; /* Thick Oxford Blue */
  background: #f0f9ff;
}

.payment-method-card.selected i {
  color: #8b5cf6;
}

.payment-method-card.selected span {
  color: #6d28d9;
}

/* Grid de Meses Hive */
.months-grid-hive {
  display: grid;
  grid-template-columns: repeat(3, 1fr) !important; /* 3 columns for better touch targets */
  gap: 10px;
  margin-top: 8px;
}

.month-badge-hive {
  text-align: center;
  padding: 10px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #cbd5e1;
  transition: all 0.2s;
}

.month-badge-hive:hover:not(.disabled) {
  background: #e2e8f0;
  transform: translateY(-1px);
}
/* Ensure March (and all months) are clicleable if not explicitly disabled */
.month-badge-hive {
  pointer-events: auto !important;
}

.month-badge-hive.selected {
  background: #2563eb !important; /* Blue-600 */
  color: white !important;
  border-color: #1d4ed8 !important;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
  font-weight: 800 !important;
}

.month-badge-hive.disabled {
  background: #e2e8f0;
  color: #94a3b8;
  cursor: not-allowed;
  border-color: #cbd5e1;
  text-decoration: line-through;
}

/* Botón Premium */
.btn-premium-save {
  background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
  color: white;
  border: none;
  border-radius: 50px;
  padding: 16px 24px;
  font-weight: 700;
  font-size: 1.1rem;
  width: 100%;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px; /* Safe area from bottom */
}

.btn-premium-save:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(139, 92, 246, 0.4);
}

.btn-premium-save:disabled {
  background: #cbd5e1;
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

/* ─────────────────────────────────────────
   TEACHER ACCORDION DIRECTORY (v4.1)
   Kinder Hive Hub Premium Aesthetic
   ───────────────────────────────────────── */
.teacher-card-accordion {
  background: white;
  border-radius: 25px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  margin-bottom: 12px;
  border: 1px solid #f1f5f9;
  transition: all 0.3s ease;
  overflow: hidden;
}

.teacher-card-accordion.active {
  box-shadow: 0 12px 30px rgba(0,0,0,0.1);
  border-color: #e2e8f0;
}

.teacher-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.teacher-info-main {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.teacher-photo-circle {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  border: 2px solid #002147;
  object-fit: cover;
  flex-shrink: 0;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #002147;
}

.teacher-name-group {
  display: flex;
  flex-direction: column;
}

.teacher-name {
  font-weight: 700;
  font-size: 1rem;
  color: #1e293b;
  display: flex;
  align-items: center;
  gap: 8px;
}

.teacher-grade-pill {
  background: #eff6ff;
  color: #2563eb;
  font-size: 0.7rem;
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 600;
  text-transform: uppercase;
}

.teacher-status-sub {
  font-size: 0.8rem;
  color: #64748b;
}

.teacher-chevron {
  color: #94a3b8;
  transition: transform 0.3s ease;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.teacher-card-accordion.active .teacher-chevron {
  transform: rotate(180deg);
  color: #1e3a5f;
}

/* Accordion Animation using Grid */
.teacher-card-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease-out;
}

.teacher-card-accordion.active .teacher-card-body {
  grid-template-rows: 1fr;
}

.teacher-body-inner {
  min-height: 0;
  overflow: hidden;
}

/* Quick Actions Row */
.teacher-quick-actions {
  background: #f8f9fa;
  padding: 12px 20px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  border-top: 1px solid #f1f5f9;
  border-bottom: 1px solid #f1f5f9;
}

.quick-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 600;
  color: #64748b;
  transition: transform 0.2s;
}

.quick-action-btn:hover {
  transform: translateY(-2px);
}

.quick-action-btn i {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: white;
}

.quick-action-btn.whatsapp i { background: #25d366; box-shadow: 0 4px 10px rgba(37, 211, 102, 0.3); }
.quick-action-btn.call i { background: #3b82f6; box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3); }
.quick-action-btn.email i { background: #1e3a5f; box-shadow: 0 4px 10px rgba(30, 58, 95, 0.3); }

/* Assignments List */
.teacher-assignments {
  padding: 16px 20px;
}

/* Assignments List Premium v10.4.2 */
.assignment-item-premium {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: #ffffff;
  border: 1px solid #f1f5f9;
  border-radius: 14px;
  margin-bottom: 8px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.assignment-item-premium:hover {
  border-color: #e2e8f0;
  background: #fcfcfd;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.student-info-mini {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.student-details-compact {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.student-fullname-badge {
  font-weight: 700;
  font-size: 0.9rem;
  color: #1e293b;
  white-space: normal;
  line-height: 1.2;
}

.student-grade-badge {
  font-size: 0.72rem;
  color: #64748b;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-unlink-assignment {
  background: none;
  border: none;
  color: #ef4444; 
  opacity: 0.5;
  transition: all 0.2s ease;
  padding: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.btn-unlink-assignment:hover {
  opacity: 1;
  transform: scale(1.1);
  background: #fef2f2;
  border-radius: 8px;
}


/* Management Footer */
.teacher-mgmt-footer {
  padding: 12px 20px 20px;
  display: flex;
  gap: 10px;
}

.teacher-mgmt-footer .btn {
  flex: 1;
  font-size: 0.85rem;
  padding: 10px;
  border-radius: 12px;
}

/* ─────────────────────────────────────────
   SMART SEARCH SELECTOR v9.6.2
   ───────────────────────────────────────── */
.smart-search-container {
  position: relative;
  width: 100%;
}

.smart-search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
  border: 1px solid var(--border-color);
  z-index: 1000;
  max-height: 250px;
  overflow-y: auto;
  margin-top: 5px;
  display: none;
}

.smart-search-item {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  cursor: pointer;
  transition: background 0.2s;
  border-bottom: 1px solid #f1f5f9;
}

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

.smart-search-item:hover {
  background: #f0f9ff;
}

.smart-search-name {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.smart-search-meta {
  font-size: 0.75rem;
  color: #64748b;
  display: flex;
  gap: 8px;
}

/* Historical Context Context */
.student-context-section {
  margin-top: 20px;
  padding: 16px;
  background: #f8fafc;
  border-radius: 20px;
  border: 1px dashed #cbd5e1;
}

.context-header {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #475569;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.context-cards-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.context-card-mini {
  background: white;
  border-radius: 12px;
  padding: 10px 14px;
  border: 1px solid #e2e8f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: transform 0.2s;
}

.context-card-mini:hover { transform: translateX(4px); }

.context-card-info { flex: 1; }
.context-card-tag { font-size: 0.7rem; font-weight: 700; color: #64748b; }
.context-card-rating { font-size: 0.75rem; font-weight: 800; color: var(--color-primary); }
.context-card-date { font-size: 0.65rem; color: #94a3b8; }

/* ─────────────────────────────────────────
   BASE CARD NEXUS v9.6.5 (Standardized)
───────────────────────────────────────── */
.base-card-nexus {
  --text-primary: #1A202C;
  --text-secondary: #4A5568;
  --text-muted: #64748b;
  background: white;
  border-radius: 24px; /* Sync with v9.7.6 border-radius */
  overflow: visible; /* v9.8.6: Permite que los badges floten */
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  margin-bottom: 20px;
  border: 1px solid #f1f5f9;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
  color: var(--text-primary) !important;
}

.base-card-nexus h1, .base-card-nexus h2, .base-card-nexus h3, .base-card-nexus h4, .base-card-nexus strong {
  color: var(--text-primary) !important;
}

.base-card-nexus p, .base-card-nexus span, .base-card-nexus div, .base-card-nexus label {
  color: var(--text-secondary);
}

.base-card-nexus:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.base-card-new-highlight {
  border-color: #7c3aed !important;
  animation: pulseHighlight 2s infinite;
}

@keyframes pulseHighlight {
  0% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(124, 58, 237, 0); }
  100% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0); }
}

.base-card-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #f1f5f9;
  background: #fafbfc;
  border-radius: 24px 24px 0 0; /* v9.8.6: Mantiene el radio con overflow visible */
}

.header-main {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-icon-box {
  width: 32px;
  height: 32px;
  background: #eff6ff;
  color: #2563eb;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.type-progress .header-icon-box { background: #fef3c7; color: #d97706; }
.type-announcement.urgent .header-icon-box { background: #fee2e2; color: #dc2626; }

.header-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: #1e293b;
}

.header-date {
  font-size: 0.8rem;
  color: #64748b;
  font-weight: 600;
}

.base-card-body {
  padding: 20px;
  flex: 1;
}

.base-card-footer {
  padding: 12px 20px;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #f1f5f9;
  border-radius: 0 0 24px 24px; /* v9.8.6: Mantiene el radio con overflow visible */
}

.footer-author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: #475569;
  font-weight: 600;
}

.footer-official-badge {
  font-size: 0.7rem;
  font-weight: 800;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: #f1f5f9;
  padding: 2px 8px;
  border-radius: 4px;
}

.base-card-actions {
  padding: 0 20px 20px;
  display: flex;
  justify-content: center;
}

/* ─────────────────────────────────────────
   PROGRESS CARD CONTENT (Vertical Stack)
───────────────────────────────────────── */
.progress-card-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.progress-student-header-mini {
  display: flex;
  align-items: center;
  gap: 12px;
}

.student-photo-mini {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #f1f5f9;
  border: 2px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #1e3a5f;
  font-size: 1.1rem;
}

.student-metadata {
  display: flex;
  flex-direction: column;
}

.student-name-premium {
  font-weight: 800;
  color: #111827;
  font-size: 1.1rem;
}

.student-subject-tag {
  font-size: 0.8rem;
  color: #6a1b9a;
  font-weight: 700;
  text-transform: uppercase;
}

.progress-note-box {
  background: #ffffff;
  border: 1px solid #f1f5f9;
  padding: 16px;
  border-radius: 12px;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.progress-note-text {
  font-size: 0.95rem;
  color: #374151;
  line-height: 1.6;
  hyphens: none;
  -webkit-hyphens: none;
}

/* Multi-line Truncation */
.text-limit-3-lines {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.btn-nexus-link {
  background: none;
  border: none;
  color: #7c3aed;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0;
  margin-top: 8px;
  cursor: pointer;
  text-decoration: underline;
}

.standard-body-text {
  font-size: 0.95rem;
  color: #475569;
  line-height: 1.6;
}

/* ─────────────────────────────────────────
   RESPONSIVE FIX v9.6.6 (Mobile-First)
───────────────────────────────────────── */
@media (max-width: 480px) {
  .progress-student-header-mini {
    flex-direction: column !important;
    align-items: center !important;
    text-align: center;
    gap: 15px !important;
  }
  
  .student-metadata {
    align-items: center;
  }

  .progress-note-box {
    width: 100% !important;
    margin: 10px 0;
    padding: 12px !important;
  }

  .base-card-body {
    padding: 15px !important;
  }

  .base-card-header {
    padding: 12px 15px !important;
  }
}

/* Forzar Fondo Blanco Premium */
.type-progress.base-card-nexus {
  background: #ffffff !important;
}