* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

:root {
  --primary: #2563eb;
  --primary-light: #3b82f6;
  --secondary: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #dc2626;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
}

body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

#app {
  display: flex;
  min-height: 100vh;
}

.view {
  display: none;
  width: 100%;
}

.view.active {
  display: block;
}

.hidden {
  display: none !important;
}

.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
  background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
}

.auth-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.auth-header {
  text-align: center;
  margin-bottom: 30px;
}

.auth-header h1 {
  font-size: 28px;
  margin-bottom: 8px;
}

.auth-header p {
  color: var(--text-light);
}

.auth-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 25px;
}

.auth-tab {
  flex: 1;
  padding: 12px;
  border: none;
  background: var(--bg);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  transition: all 0.2s;
}

.auth-tab.active {
  background: var(--primary);
  color: white;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.btn-primary {
  padding: 12px 24px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary:hover {
  background: var(--primary-light);
}

.btn-secondary {
  padding: 12px 24px;
  background: var(--secondary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn-danger {
  padding: 12px 24px;
  background: var(--danger);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn-block {
  width: 100%;
}

.btn-back {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}

.sidebar {
  width: 260px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
  font-size: 18px;
  margin-bottom: 4px;
}

.user-name {
  font-size: 13px;
  color: var(--text-light);
}

.sidebar-nav {
  flex: 1;
  padding: 15px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 15px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.nav-item:hover {
  background: var(--bg);
}

.nav-item.active {
  background: var(--primary);
  color: white;
}

.nav-item.logout {
  margin-top: auto;
  color: var(--danger);
}

.nav-icon {
  font-size: 18px;
}

.main-content {
  flex: 1;
  padding: 25px;
  overflow-y: auto;
}

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
}

.view-header h2 {
  font-size: 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--surface);
  padding: 25px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.stat-card.blue { border-left: 4px solid var(--primary); }
.stat-card.green { border-left: 4px solid var(--success); }
.stat-card.orange { border-left: 4px solid var(--warning); }

.stat-icon {
  font-size: 32px;
  margin-bottom: 10px;
}

.stat-value {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 5px;
}

.stat-label {
  color: var(--text-light);
  font-size: 14px;
}

.quick-actions {
  margin-bottom: 30px;
}

.quick-actions h3 {
  margin-bottom: 15px;
  font-size: 16px;
}

.actions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.action-btn:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.action-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.action-icon.blue { background: rgba(37, 99, 235, 0.1); }
.action-icon.green { background: rgba(16, 185, 129, 0.1); }
.action-icon.orange { background: rgba(245, 158, 11, 0.1); }
.action-icon.purple { background: rgba(139, 92, 246, 0.1); }
.action-icon.gray { background: rgba(107, 114, 128, 0.1); }

.recent-section {
  margin-bottom: 30px;
}

.recent-card {
  background: var(--surface);
  padding: 20px;
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.recent-card h4 {
  margin-bottom: 15px;
  font-size: 16px;
}

.search-bar {
  position: relative;
  margin-bottom: 20px;
}

.search-bar input {
  width: 100%;
  padding: 12px 40px 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
}

.search-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
}

.filtros {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filtro-btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.filtro-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.cards-grid {
  display: grid;
  gap: 15px;
}

.card {
  background: var(--surface);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  cursor: pointer;
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 12px;
}

.card-icon {
  width: 40px;
  height: 40px;
  background: var(--bg);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.card-title {
  flex: 1;
}

.card-title h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.card-title p {
  font-size: 13px;
  color: var(--text-light);
}

.card-body {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  padding: 4px 10px;
  background: var(--bg);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-light);
}

.form-container {
  background: var(--surface);
  padding: 25px;
  border-radius: 16px;
  max-width: 700px;
}

.form-container .form-group {
  margin-bottom: 18px;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 25px;
}

.detalle-container {
  background: var(--surface);
  padding: 25px;
  border-radius: 16px;
  max-width: 700px;
}

.detalle-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 25px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.detalle-header h2 {
  font-size: 22px;
}

.detalle-actions {
  display: flex;
  gap: 10px;
}

.detalle-section {
  margin-bottom: 20px;
}

.detalle-section h3 {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.detalle-section p {
  font-size: 15px;
  line-height: 1.6;
}

.archivo-section {
  margin-top: 20px;
  padding: 20px;
  background: var(--bg);
  border-radius: 12px;
}

.archivo-section h3 {
  margin-bottom: 15px;
}

.archivo-preview {
  max-width: 100%;
  max-height: 400px;
  border-radius: 8px;
  cursor: pointer;
}

.archivo-preview-container {
  margin-top: 10px;
  padding: 15px;
  background: var(--bg);
  border-radius: 8px;
}

.archivo-preview-img {
  max-width: 100%;
  max-height: 200px;
  border-radius: 8px;
  cursor: pointer;
  display: block;
  margin-bottom: 10px;
}

.btn-link {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 13px;
  text-decoration: underline;
  padding: 5px 0;
}

.archivo-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-size: 14px;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.timeline-item {
  display: flex;
  gap: 14px;
  padding: 15px;
  background: var(--surface);
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.2s;
}

.timeline-item:hover {
  transform: translateX(4px);
}

.timeline-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.timeline-icon.estudio {
  background: rgba(37, 99, 235, 0.1);
}

.timeline-icon.consulta {
  background: rgba(16, 185, 129, 0.1);
}

.timeline-content {
  flex: 1;
}

.timeline-content strong {
  display: block;
  margin-bottom: 4px;
}

.timeline-content p {
  font-size: 13px;
  color: var(--text-light);
}

.config-sections {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.config-card {
  background: var(--surface);
  padding: 25px;
  border-radius: 16px;
}

.config-card h3 {
  margin-bottom: 20px;
  font-size: 16px;
}

.stats-mini {
  display: flex;
  gap: 40px;
}

.stat-mini {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-mini-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
}

.stat-mini-label {
  font-size: 13px;
  color: var(--text-light);
}

.empty-text {
  text-align: center;
  color: var(--text-light);
  padding: 40px 20px;
  font-size: 14px;
}

.error-text {
  text-align: center;
  color: var(--danger);
  padding: 40px 20px;
  font-size: 14px;
}

.auth-error {
  color: var(--danger);
  font-size: 13px;
  margin-bottom: 12px;
  text-align: center;
}

.auth-success {
  color: var(--success);
  font-size: 13px;
  margin-bottom: 12px;
  text-align: center;
}

@media (max-width: 768px) {
  #app {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    flex-direction: row;
    align-items: center;
    padding: 10px;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 100;
  }

  .sidebar-header {
    display: none;
  }

  .sidebar-nav {
    flex-direction: row;
    overflow-x: auto;
    padding: 5px;
    justify-content: space-around;
    width: 100%;
  }

  .nav-item {
    padding: 10px 8px;
  }

  .nav-item span:not(.nav-icon) {
    display: none;
  }

  .main-content {
    padding: 15px;
    padding-bottom: 80px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .actions-grid {
    grid-template-columns: 1fr;
  }

  .view-header {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }

  .form-container {
    padding: 15px;
  }

  .form-row {
    flex-direction: column;
  }

  .cards-grid {
    gap: 10px;
  }

  .card {
    padding: 12px;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .card-icon {
    margin-bottom: 8px;
  }

  .report-filters {
    flex-direction: column;
    padding: 15px;
  }

  .report-filters .form-group {
    width: 100%;
  }

  .report-stats {
    grid-template-columns: 1fr;
  }

  .detalle-container {
    padding: 15px;
  }

  .detalle-header {
    flex-direction: column;
    gap: 10px;
  }

  .detalle-actions {
    width: 100%;
    justify-content: space-between;
  }

  .auth-card {
    padding: 25px 20px;
    margin: 10px;
  }

  .config-sections {
    gap: 15px;
  }

  .stats-mini {
    flex-direction: column;
    gap: 15px;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .sidebar {
    width: 200px;
  }

  .main-content {
    padding: 20px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .actions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1025px) {
  .sidebar {
    width: 260px;
  }

  .main-content {
    max-width: 1200px;
    margin: 0 auto;
  }
}

.report-filters {
  background: var(--surface);
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 20px;
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.report-filters .form-group {
  flex: 1;
  min-width: 150px;
}

.report-filters .btn-primary {
  padding: 10px 20px;
}

.report-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-bottom: 25px;
}

.report-section {
  margin-bottom: 25px;
}

.report-section h3 {
  margin-bottom: 15px;
  color: var(--text);
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.note-card {
  background: var(--surface);
  border-radius: 12px;
  padding: 16px;
  border: 1px solid var(--border);
}

.note-card .note-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.note-card .note-title {
  font-weight: 600;
  font-size: 16px;
  color: var(--primary);
}

.note-card .note-date {
  font-size: 12px;
  color: var(--text-light);
}

.note-card .note-content {
  font-size: 14px;
  color: var(--text);
  white-space: pre-wrap;
  margin-bottom: 12px;
  max-height: 150px;
  overflow-y: auto;
}

.note-card .note-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}