*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

#app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

#mainContent {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  background: var(--bg-primary);
  transition: background var(--transition-normal);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

a {
  color: var(--text-link);
  text-decoration: none;
}

input, select, textarea, button {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
}

input, select, textarea {
  padding: 10px 14px;
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-bg);
}

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

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235f6368' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.4;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
}

.btn-secondary:hover {
  background: var(--bg-hover);
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover {
  background: #c42b20;
}

.btn-success {
  background: var(--success);
  color: white;
}

.btn-success:hover {
  background: #0b7b43;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 12px;
}

.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-sm {
  padding: 6px 12px;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 14px 28px;
  font-size: var(--font-size-lg);
}

.btn-icon {
  padding: 8px;
  border-radius: var(--border-radius-sm);
}

.btn-icon svg {
  width: 18px;
  height: 18px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
}

.page-header h1 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-header h1 svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.page-header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.page-content {
  padding: 24px 32px;
}

.btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  flex-wrap: wrap;
}

.toolbar .search-box {
  position: relative;
  flex: 1;
  min-width: 250px;
}

.toolbar .search-box input {
  padding-left: 40px;
}

.toolbar .search-box svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-tertiary);
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.search-box input {
  padding-left: 40px;
  width: 100%;
}

.toolbar-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-select {
  min-width: 140px;
}

.hidden {
  display: none !important;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-accepted { background: var(--success-bg); color: var(--success); }
.badge-pending { background: var(--warning-bg); color: var(--warning); }
.badge-rejected { background: var(--danger-bg); color: var(--danger); }
.badge-comments { background: var(--info-bg); color: var(--info); }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-tertiary);
  text-align: center;
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: var(--font-size-lg);
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.empty-state p {
  font-size: var(--font-size-base);
  max-width: 400px;
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-wrapper input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

.discipline-selector {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  padding: 32px;
}

.discipline-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.discipline-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.discipline-card .disc-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.discipline-card .disc-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.discipline-card h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
}

.discipline-card .disc-stats {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.discipline-card .disc-card-actions {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 6px;
  z-index: 2;
}

.discipline-card .disc-card-actions .disc-delete-btn,
.discipline-card .disc-card-actions .disc-edit-btn {
  position: static;
  opacity: 0;
}

.discipline-card .disc-delete-btn,
.discipline-card .disc-edit-btn {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: opacity var(--transition-fast);
  font-size: 14px;
}

.discipline-card .disc-delete-btn {
  background: var(--danger-bg);
  color: var(--danger);
}

.discipline-card .disc-edit-btn {
  background: var(--primary-bg);
  color: var(--primary);
}

.discipline-card:hover .disc-card-actions .disc-delete-btn,
.discipline-card:hover .disc-card-actions .disc-edit-btn {
  opacity: 1;
}

.discipline-card .disc-delete-btn:hover {
  background: var(--danger);
  color: white;
}

.discipline-card .disc-edit-btn:hover {
  background: var(--primary);
  color: white;
}

.discipline-card {
  position: relative;
}

.discipline-card.add-card {
  border: 2px dashed var(--border-primary);
  opacity: 0.7;
}

.discipline-card.add-card:hover {
  opacity: 1;
  border-color: var(--primary);
}

.discipline-card.add-card .disc-icon {
  background: transparent;
  border: 2px dashed var(--primary);
  color: var(--primary);
}

.discipline-card.add-card .disc-icon svg {
  color: var(--primary);
}

.back-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  margin: 16px 32px 0;
  background: transparent;
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.back-button:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.back-button svg {
  width: 14px;
  height: 14px;
}

.stats-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.stat-card:hover {
  box-shadow: var(--shadow-sm);
}

.stat-card .stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.stat-card .stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
}

.stat-card.primary { border-left: 3px solid var(--primary); }
.stat-card.success { border-left: 3px solid var(--success); }
.stat-card.warning { border-left: 3px solid var(--warning); }
.stat-card.danger { border-left: 3px solid var(--danger); }

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
}

.chart-card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius);
}

.chart-card h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.chart-card canvas {
  width: 100% !important;
  max-height: 300px;
}

.recent-list {
  list-style: none;
}

.recent-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-primary);
  font-size: var(--font-size-sm);
}

.recent-list li:last-child {
  border-bottom: none;
}

.recent-list .recent-label {
  color: var(--text-secondary);
}

.recent-list .recent-value {
  font-weight: 600;
  color: var(--text-primary);
}

/* Discipline sub-register nav */
.sub-nav {
  padding: 0 32px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.sub-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-size: var(--font-size-sm);
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  transition: background var(--transition-fast);
}

.sub-nav-back:hover {
  background: var(--primary-bg);
}

.sub-nav-back svg {
  width: 14px;
  height: 14px;
}

.sub-nav-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}