:root {
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --border-light: #cbd5e1;
  
  --text-heading: #0f172a;
  --text-body: #1e293b;
  --text-muted: #475569;
  
  --brand-accent: #1e40af;
  --brand-hover: #1e3a8a;
  
  --badge-pub-bg: #dbeafe;
  --badge-pub-txt: #1e40af;
  
  --badge-aux-bg: #fef3c7;
  --badge-aux-txt: #92400e;
  
  --badge-reg-bg: #f3e8ff;
  --badge-reg-txt: #6b21a8;
  
  --badge-act-bg: #dcfce7;
  --badge-act-txt: #166534;

  --danger-bg: #fee2e2;
  --danger-txt: #991b1b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  background-color: var(--bg-page);
  color: var(--text-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* PANTALLA DE INICIO DE SESIÓN Y AUTOREGISTRO SEGURO */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 2rem;
}

.login-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  width: 100%;
  max-width: 460px;
  padding: 2.5rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}

.login-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.login-logo {
  width: 54px;
  height: 54px;
  background-color: var(--brand-accent);
  color: white;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.5rem;
  margin: 0 auto 1rem auto;
}

.login-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-heading);
}

.login-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.auth-toggle-tabs {
  display: flex;
  background-color: #f1f5f9;
  padding: 0.3rem;
  border-radius: 10px;
  margin-bottom: 1.5rem;
}

.auth-toggle-btn {
  flex: 1;
  padding: 0.6rem;
  text-align: center;
  border: none;
  background: transparent;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-muted);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.auth-toggle-btn.active {
  background-color: #ffffff;
  color: var(--brand-accent);
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* PANTALLA PRINCIPAL AUTENTICADA */
.app-viewport {
  display: none;
  flex-direction: column;
  min-height: 100vh;
}

header.app-header {
  background-color: #ffffff;
  border-bottom: 2px solid var(--border-light);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-mark {
  width: 44px;
  height: 44px;
  background-color: var(--brand-accent);
  border-radius: 10px;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
}

.brand-text-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-heading);
}

.brand-text-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.user-auth-badge {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: #f1f5f9;
  padding: 0.5rem 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--border-light);
}

.user-auth-info {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-heading);
}

nav.sub-header-nav {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-light);
  padding: 0.5rem 2rem;
  display: flex;
  gap: 0.5rem;
}

.tab-btn {
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  border: none;
  background: transparent;
  transition: all 0.15s ease;
  min-height: 48px;
}

.tab-btn:hover {
  background-color: #f1f5f9;
  color: var(--text-heading);
}

.tab-btn.active {
  background-color: var(--brand-accent);
  color: white;
}

main.main-viewport {
  flex: 1;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem;
}

.view-content {
  display: none;
}

.view-content.active {
  display: block;
}

.btn {
  background-color: var(--brand-accent);
  color: white;
  border: none;
  padding: 0.75rem 1.35rem;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn:hover {
  background-color: var(--brand-hover);
}

.btn-secondary {
  background-color: #ffffff;
  border: 2px solid var(--border-light);
  color: var(--text-heading);
}

.btn-secondary:hover {
  background-color: #f8fafc;
}

.btn-danger {
  background-color: var(--danger-bg);
  color: var(--danger-txt);
  border: 1px solid #fca5a5;
}

.btn-danger:hover {
  background-color: #fecaca;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  min-height: 38px;
  border-radius: 8px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.metric-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
}

.metric-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.metric-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-heading);
}

.toolbar-bar {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.search-box input, .select-filter, .form-group input, .form-group select, .form-group textarea {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 0.65rem 1rem;
  font-size: 0.95rem;
  color: var(--text-heading);
  min-height: 48px;
  outline: none;
  width: 100%;
}

.table-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: hidden;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

table.data-table th {
  background-color: #f1f5f9;
  color: var(--text-heading);
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  border-bottom: 2px solid var(--border-light);
}

table.data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.95rem;
}

.badge {
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  display: inline-block;
}

.badge-pub { background-color: var(--badge-pub-bg); color: var(--badge-pub-txt); }
.badge-aux { background-color: var(--badge-aux-bg); color: var(--badge-aux-txt); }
.badge-reg { background-color: var(--badge-reg-bg); color: var(--badge-reg-txt); }
.badge-act { background-color: var(--badge-act-bg); color: var(--badge-act-txt); }
.badge-pend { background-color: #f1f5f9; color: var(--text-muted); }

.groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.group-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.group-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border-light);
}

.group-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-heading);
}

.group-member-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid #f1f5f9;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal-overlay.open {
  display: flex;
}

.modal-box {
  background-color: var(--bg-card);
  border-radius: 16px;
  width: 100%;
  max-width: 560px;
  padding: 2rem;
  border: 1px solid var(--border-light);
}

.modal-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 1.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group.full {
  grid-column: span 2;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 0.4rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.alert-banner {
  background-color: #fef3c7;
  border-left: 5px solid #d97706;
  padding: 1rem 1.25rem;
  border-radius: 8px;
  font-size: 0.9rem;
  color: #78350f;
  margin-bottom: 1.5rem;
}

.personal-publisher-card {
  background-color: #ffffff;
  border: 2px solid var(--brand-accent);
  border-radius: 16px;
  padding: 2rem;
  max-width: 600px;
  margin: 0 auto 2rem auto;
}