:root {
  --bg: #000000;
  --surface: #0d0d0d;
  --surface-hover: #1a1a1a;
  --border: #2a2a2a;
  --text: #e0e0e0;
  --text-muted: #a0a0a0;
  --accent: #CC0000;
  --accent-hover: #E63946;
  --silver: #c0c0c0;
  --silver-light: #e0e0e0;
  --success: #22c55e;
  --danger: #CC0000;
  --radius: 4px;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

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

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

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

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

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

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.header {
  background: var(--surface);
  border-bottom: 2px solid var(--accent);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.header-logo {
  height: 72px;
  width: auto;
  object-fit: contain;
}

.header-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--silver-light);
  letter-spacing: 0.05em;
}

.nav {
  display: flex;
  gap: 0.5rem;
}

.header-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.user-name {
  font-weight: 600;
}

.user-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.btn-small {
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
}

.nav-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s, border-color 0.2s;
}

.nav-btn:hover {
  background: var(--surface-hover);
  border-color: var(--accent);
}

.nav-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.main {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

/* Admin precisa de mais largura para gráficos e tabelas */
.main:has(#view-admin.active) {
  max-width: 1000px;
}

@media (min-width: 1200px) {
  .main {
    padding: 2rem 2rem;
  }
}

@media (max-width: 600px) {
  .main {
    padding: 1.5rem 1rem;
  }
}

.admin-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  margin: 0 auto;
  max-width: 100%;
}

.admin-menu {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.admin-menu-item {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
}

.admin-menu-item.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.admin-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.admin-section {
  display: none;
}

.admin-section.active {
  display: block;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.config-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.admin-card-wide {
  grid-column: 1 / -1;
}

.admin-card h4 {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.95rem;
  margin: 0 0 0.5rem 0;
  color: var(--silver-light);
}

.config-label-block {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
}

.config-label-block input,
.config-textarea {
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.config-textarea {
  width: 100%;
  resize: vertical;
  min-height: 90px;
  box-sizing: border-box;
}

.config-checkbox-block {
  margin-top: 0.25rem;
}

.config-actions {
  margin-top: 1.25rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Materiais de estudo */
.study-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1rem 0 0.75rem;
}

.study-subnav-btn {
  font: inherit;
  font-size: 0.875rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.study-subnav-btn:hover {
  border-color: var(--accent, #c00);
  background: var(--bg);
}

.study-subnav-btn.active {
  border-color: var(--accent, #c00);
  background: color-mix(in srgb, var(--accent, #c00) 12%, var(--surface));
  font-weight: 600;
}

.admin-study-upload-wrap {
  margin-bottom: 1rem;
}

.study-log-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 0.75rem 0;
  align-items: flex-end;
}

.study-log-filter-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  min-width: 220px;
  flex: 1 1 200px;
}

.study-log-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.study-download-logs-container {
  margin-top: 0.75rem;
  overflow-x: auto;
  max-height: 320px;
  overflow-y: auto;
}

.study-download-logs-container table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.study-download-logs-container th,
.study-download-logs-container td {
  border: 1px solid var(--border);
  padding: 0.35rem 0.5rem;
  text-align: left;
  vertical-align: top;
}

.study-download-logs-container th {
  background: var(--surface);
  position: sticky;
  top: 0;
}

.lista-materiais {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.material-card-user .resultado-card-actions,
.material-admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.form-materiais {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 520px;
}

.material-acesso .radio-line {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.select-multi {
  width: 100%;
  min-height: 180px;
  padding: 0.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.materiais-subtitulo {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  color: var(--silver-light);
}

.modal-dialog-download-confirm {
  max-width: 32rem;
}

.download-confirm-body {
  margin: 0.75rem 0 1rem;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--text);
}

.download-confirm-body p {
  margin: 0 0 0.65rem;
}

.download-confirm-body p:last-child {
  margin-bottom: 0;
}

.modal-dialog-wide {
  max-width: 480px;
  width: 92vw;
}

.modal-dialog-edit-prova {
  max-width: 56rem;
  width: 94vw;
  max-height: min(90vh, 100dvh - 1.5rem);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.edit-prova-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: -0.25rem 0 0.85rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.edit-prova-titlebar h4 {
  margin: 0 !important;
  flex: 1;
  min-width: 0;
  font-size: 1rem;
}

.edit-prova-window-controls {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 0;
}

.edit-prova-win-btn {
  width: 2rem;
  height: 2rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  line-height: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 85%, var(--border));
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.edit-prova-win-btn:hover {
  background: color-mix(in srgb, var(--surface) 70%, var(--silver));
  border-color: var(--silver);
}

.edit-prova-win-btn-close:hover {
  background: color-mix(in srgb, var(--accent, #c00) 22%, var(--surface));
  border-color: var(--accent, #c00);
  color: var(--accent, #c00);
}

.edit-prova-win-btn[aria-pressed='true'] {
  background: color-mix(in srgb, var(--accent, #c00) 15%, var(--surface));
  border-color: color-mix(in srgb, var(--accent, #c00) 55%, var(--border));
}

.edit-prova-dialog-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* Minimizar: barra compacta na parte inferior */
#modal-edit-prova.modal-edit-prova--minimized {
  align-items: flex-end;
  justify-content: center;
  padding: 0 0.75rem 0.75rem;
}

#modal-edit-prova.modal-edit-prova--minimized .modal-dialog-edit-prova {
  width: auto;
  min-width: min(100%, 22rem);
  max-width: min(96vw, 36rem);
  max-height: none;
  margin: 0;
}

#modal-edit-prova.modal-edit-prova--minimized .edit-prova-dialog-body {
  display: none;
}

#modal-edit-prova.modal-edit-prova--minimized .edit-prova-titlebar {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

#modal-edit-prova.modal-edit-prova--minimized .edit-prova-titlebar h4 {
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#modal-edit-prova.modal-edit-prova--minimized #btn-edit-prova-minimize,
#modal-edit-prova.modal-edit-prova--minimized #btn-edit-prova-maximize {
  display: none;
}

#modal-edit-prova.modal-edit-prova--minimized #btn-edit-prova-restore {
  display: inline-flex !important;
}

/* Maximizar: quase tela cheia */
#modal-edit-prova.modal-edit-prova--maximized {
  align-items: stretch;
  justify-content: stretch;
  padding: 0;
}

#modal-edit-prova.modal-edit-prova--maximized .modal-dialog-edit-prova {
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  border-radius: 0;
  margin: 0;
  border-left: none;
  border-right: none;
}

#modal-edit-prova.modal-edit-prova--maximized .edit-prova-questoes-scroll {
  max-height: none;
  flex: 1;
  min-height: 8rem;
}

.edit-prova-meta-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-shrink: 0;
}

.edit-prova-ativo-wrap {
  font-size: 0.9rem;
}

.edit-prova-hint {
  margin: 0 0 0.75rem;
  flex-shrink: 0;
}

.edit-prova-questoes-scroll {
  flex: 1 1 auto;
  min-height: 8rem;
  max-height: none;
  overflow-x: hidden;
  overflow-y: auto;
  padding-right: 0.35rem;
  margin-bottom: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  -webkit-overflow-scrolling: touch;
}

.edit-prova-add-questao-btn {
  margin-bottom: 0.5rem;
  flex-shrink: 0;
}

#modal-edit-prova .modal-dialog-edit-prova .modal-actions {
  flex-shrink: 0;
  margin-top: auto;
  padding-top: 0.35rem;
  padding-bottom: max(0.35rem, env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.edit-prova-questao-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
}

.edit-prova-questao-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.edit-prova-questao-num {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.85rem;
  color: var(--silver);
  font-weight: 600;
}

.edit-prova-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.65rem;
  font-size: 0.85rem;
}

.edit-prova-field textarea,
.edit-prova-field select {
  width: 100%;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 0.88rem;
}

.edit-prova-enunciado {
  min-height: 5rem;
  resize: vertical;
}

.edit-prova-comentario {
  min-height: 3.5rem;
  resize: vertical;
}

.edit-prova-opcoes-wrap.hidden {
  display: none;
}

.edit-prova-opcoes-head {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0.25rem 0 0.35rem;
}

.edit-prova-opcao-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.edit-prova-opcao-row input[type='radio'] {
  flex-shrink: 0;
}

.edit-prova-opcao-texto {
  flex: 1;
  min-width: 0;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem;
}

.btn-edit-prova-remove-opcao {
  flex-shrink: 0;
  padding: 0.2rem 0.45rem;
  font-size: 1rem;
  line-height: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
}

.btn-edit-prova-remove-opcao:hover {
  color: var(--accent, #c00);
  border-color: var(--accent, #c00);
}

/* Dashboard - Gráficos */
.dashboard-charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

.dashboard-chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.dashboard-chart-card h4 {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.95rem;
  color: var(--silver);
  margin-bottom: 0.75rem;
}

.chart-container {
  position: relative;
  height: 220px;
}

.chart-container.chart-doughnut {
  height: 240px;
  max-width: 260px;
  margin: 0 auto;
}

.dashboard-chart-doughnut {
  grid-column: 1 / -1;
}

@media (min-width: 700px) {
  .dashboard-charts {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 699px) {
  .dashboard-charts {
    grid-template-columns: 1fr;
  }
}

.admin-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  transition: border-color 0.2s;
}

.admin-card:hover {
  border-color: var(--silver);
}

.metric-number {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  margin-top: 0.25rem;
  color: var(--silver-light);
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.admin-actions {
  margin-top: 0.5rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.admin-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.admin-table th,
.admin-table td {
  border-bottom: 1px solid var(--border);
  padding: 0.4rem 0.5rem;
  text-align: left;
}

.admin-table th {
  color: var(--text-muted);
  font-weight: 500;
}

/* Relatórios */
.relatorios-filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
  margin-bottom: 1rem;
}

.relatorios-filtros label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
}

.relatorios-filtros select,
.relatorios-filtros input {
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  min-width: 180px;
}

.relatorios-export {
  margin-bottom: 1rem;
  display: flex;
  gap: 0.5rem;
}

.relatorios-conteudo {
  margin-top: 1rem;
}

.relatorios-bloco {
  margin-bottom: 2rem;
}

.relatorios-bloco h4 {
  font-family: 'Orbitron', sans-serif;
  margin-bottom: 0.5rem;
  font-size: 1rem;
  color: var(--silver);
}

.relatorios-tabela-wrapper {
  overflow-x: auto;
}

@media print {
  .no-print { display: none !important; }
}

/* Modal genérico */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-dialog {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.5rem;
  width: 100%;
  max-width: 420px;
}

.modal-dialog h4 {
  font-family: 'Orbitron', sans-serif;
  margin-bottom: 0.75rem;
  color: var(--silver-light);
}

.modal-dialog-perfil {
  max-width: 440px;
  max-height: min(90vh, 640px);
  overflow-y: auto;
}

.perfil-hint {
  margin-bottom: 1rem;
  font-size: 0.875rem;
  line-height: 1.45;
}

.perfil-dados-readonly {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.perfil-campo {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 0.5rem;
  align-items: start;
  font-size: 0.9rem;
}

.perfil-label {
  color: var(--text-muted);
}

.perfil-valor {
  color: var(--text);
  word-break: break-word;
}

.perfil-sep {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1rem 0;
}

.perfil-senha-titulo {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--silver-light);
}

.modal-actions-footer {
  margin-top: 0.75rem;
}

@media (max-width: 480px) {
  .perfil-campo {
    grid-template-columns: 1fr;
  }
}

.modal-form label {
  margin-bottom: 0.35rem;
}

.modal-form input,
.modal-form select {
  margin-bottom: 0.75rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.checkbox-inline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Formulário novo usuário (única tela) */
.form-novo-usuario-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

.form-novo-usuario-container h4 {
  font-family: 'Orbitron', sans-serif;
  margin: 0 0 1rem 0;
  color: var(--silver-light);
}

.form-novo-usuario label {
  display: block;
  margin-bottom: 0.35rem;
}

.form-novo-usuario input,
.form-novo-usuario select {
  display: block;
  width: 100%;
  max-width: 320px;
  margin-bottom: 0.75rem;
}

.form-novo-usuario-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

@media (max-width: 800px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }
}

/* Centraliza conteúdo do admin quando em coluna única */
@media (max-width: 800px) {
  .admin-content {
    max-width: 100%;
  }
}

.auth-page {
  width: 100%;
  max-width: 440px;
  margin: 0 auto 2rem;
  padding: 0 0.5rem;
}

.auth-page h2 {
  font-family: 'Orbitron', sans-serif;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--silver-light);
}

.auth-portal-msg {
  max-width: 420px;
  margin: -0.25rem auto 0.75rem;
  padding: 0.65rem 1rem;
  background: rgba(204, 0, 0, 0.1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--text);
  white-space: pre-wrap;
  text-align: center;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.auth-tabs {
  display: flex;
  margin-bottom: 1rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.auth-tab {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  cursor: pointer;
}

.auth-tab.active {
  background: var(--accent);
  color: #fff;
}

.auth-form {
  margin-top: 0.5rem;
}

.auth-fields label {
  margin-bottom: 0.25rem;
}

.auth-fields input {
  margin-bottom: 0.75rem;
}

.btn-full {
  width: 100%;
  margin-top: 0.5rem;
}

.view {
  display: none;
}

.view.active {
  display: block;
  margin: 0 auto;
}

.view h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--silver-light);
  font-weight: 600;
  text-align: center;
}

/* Formulários */
label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

input[type="text"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  margin-bottom: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(204, 0, 0, 0.2);
}

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

.btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  border: none;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s, transform 0.1s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #a00000 100%);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent) 100%);
}

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

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--accent);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.btn-danger:hover {
  background: rgba(248, 81, 73, 0.15);
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* Bloco de pergunta (criar prova) */
.pergunta-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  transition: border-color 0.2s;
}

.pergunta-block:hover {
  border-color: var(--silver);
}

.pergunta-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.pergunta-block-header span {
  font-weight: 600;
  color: var(--text);
}

.pergunta-block select {
  width: auto;
  margin-bottom: 0;
  min-width: 180px;
}

.opcoes-list {
  margin-top: 0.75rem;
}

.opcao-item {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: center;
}

.opcao-item input[type="text"] {
  flex: 1;
  margin-bottom: 0;
}

.opcao-item input[type="radio"] {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}

.btn-remove {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  font-size: 1.1rem;
  line-height: 1;
}

.btn-remove:hover {
  color: var(--danger);
}

/* Simulados (view aplicar) */
.selecao-prova {
  max-width: 480px;
  margin: 0 auto;
}

.selecao-prova label {
  margin-bottom: 0.25rem;
}

.selecao-prova input,
.selecao-prova select {
  margin-bottom: 1rem;
  min-width: 220px;
  display: block;
  width: 100%;
}

#nome-aluno-outro {
  margin-top: 0.5rem;
}

#nome-aluno-readonly {
  background: var(--surface-hover);
  color: var(--text-muted);
  cursor: default;
}

#btn-iniciar-prova {
  margin-top: 0.5rem;
}

.prova-andamento {
  margin: 1.5rem auto 0;
  max-width: 640px;
}

.prova-andamento.hidden {
  display: none !important;
}

.prova-andamento h3 {
  font-family: 'Orbitron', sans-serif;
  margin-bottom: 0.5rem;
  color: var(--silver-light);
}

.aluno-info {
  margin-bottom: 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.pergunta-prova {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
  transition: border-color 0.2s;
}

.pergunta-prova:hover {
  border-color: rgba(204, 0, 0, 0.3);
}

.pergunta-prova-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.65rem 1rem;
  margin-bottom: 0.75rem;
}

.pergunta-prova-top .enunciado {
  flex: 1;
  min-width: min(100%, 14rem);
  margin-bottom: 0;
}

.pergunta-prova .enunciado {
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text);
  white-space: pre-line;
}

.btn-comentario-professor {
  flex-shrink: 0;
  white-space: nowrap;
}

.pergunta-prova .opcoes.opcoes-com-marcadores {
  margin-left: 0;
  padding-left: 0.25rem;
}

.pergunta-prova .opcao-linha {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.65rem;
  margin-bottom: 0.35rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
}

.pergunta-prova .opcao-linha:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.pergunta-prova .opcao-radio-wrap {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  cursor: pointer;
  color: var(--text);
  flex: 1;
  min-width: 0;
  margin: 0;
  font-weight: 400;
}

.pergunta-prova .opcao-texto {
  flex: 1;
  min-width: 0;
  line-height: 1.45;
}

.pergunta-prova .opcao-marcadores {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.pergunta-prova .marcador-apoio {
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 88%, var(--border));
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.pergunta-prova .marcador-apoio:hover {
  border-color: var(--silver);
  color: var(--text);
}

.pergunta-prova .marcador-apoio-v.marcador-apoio-ativo {
  background: color-mix(in srgb, #2d6a4f 35%, var(--surface));
  border-color: #40916c;
  color: #95d5b2;
}

.pergunta-prova .marcador-apoio-x.marcador-apoio-ativo {
  background: color-mix(in srgb, #9d0208 35%, var(--surface));
  border-color: #c1121f;
  color: #ffccd5;
}

.pergunta-prova .opcoes label {
  display: block;
  margin-bottom: 0.25rem;
  cursor: pointer;
  color: var(--text);
}

.pergunta-prova .opcoes {
  margin-left: 1.25rem;
}

.pergunta-prova .opcoes input[type="radio"] {
  width: auto;
  margin: 0;
  margin-top: 0.2rem;
  flex-shrink: 0;
  accent-color: var(--accent);
}

.modal-dialog-comentario-prof {
  max-width: 34rem;
  width: 92vw;
}

.comentario-professor-body {
  margin: 0.5rem 0 1rem;
  max-height: min(55vh, 420px);
  overflow-y: auto;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text);
}

.comentario-professor-texto {
  white-space: pre-line;
}

/* Resultados */
.filtros-resultados {
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: flex-end;
  justify-content: center;
}

.filtros-resultados label {
  margin-bottom: 0;
  min-width: 180px;
}

.filtros-resultados select {
  max-width: 280px;
  min-width: 180px;
}

#candidato-resultados-readonly {
  max-width: 280px;
  min-width: 180px;
  background: var(--surface-hover);
  color: var(--text-muted);
  cursor: default;
}

.lista-resultados {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 720px;
  margin: 0 auto;
}

.resultado-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  transition: border-color 0.2s;
}

.resultado-card:hover {
  border-color: rgba(204, 0, 0, 0.4);
}

.resultado-card-content {
  flex: 1;
  min-width: 0;
}

.resultado-card-actions {
  flex-shrink: 0;
}

.resultado-card h4 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  margin-bottom: 0.25rem;
  color: var(--silver-light);
}

.resultado-card .meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.resultado-card .nota {
  font-weight: 600;
  color: var(--success);
  font-size: 1.1rem;
}

.resultado-card .respostas-questoes {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.resultado-card .respostas-questoes h5 {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.9rem;
  color: var(--silver);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.questao-resultado {
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--bg);
  border-radius: var(--radius);
  border-left: 3px solid var(--border);
}

.questao-resultado.resposta-certa {
  border-left-color: var(--success);
}

.questao-resultado.resposta-errada {
  border-left-color: var(--danger);
}

.questao-resultado-enunciado {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 0.6rem;
  line-height: 1.4;
  white-space: pre-line;
}

.questao-resultado-resposta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.questao-resultado-resposta .label-resposta {
  color: var(--text);
  font-weight: 500;
}

.questao-resultado-resposta .status-resposta {
  margin-left: 0.5rem;
  font-weight: 600;
}

.questao-resultado-resposta .status-resposta.resposta-certa {
  color: var(--success);
}

.questao-resultado-resposta .status-resposta.resposta-errada {
  color: var(--danger);
}

.questao-resultado-gabarito {
  font-size: 0.8rem;
  margin-top: 0.35rem;
  color: var(--text-muted);
}

.questao-resultado-gabarito .label-gabarito {
  color: var(--accent);
  font-weight: 500;
}

.questao-resultado-comentario-prof {
  margin-top: 0.65rem;
  padding-top: 0.55rem;
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  font-size: 0.82rem;
  line-height: 1.45;
}

.questao-resultado-comentario-prof .label-comentario-prof {
  display: block;
  color: var(--silver-light);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
}

.questao-resultado-comentario-prof .texto-comentario-prof {
  color: var(--text);
  white-space: pre-line;
}

.questao-opcoes {
  list-style: none;
  margin: 0.4rem 0 0;
  padding-left: 1.25rem;
}

.questao-opcoes li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  margin-bottom: 0.2rem;
  color: var(--text-muted);
}

.questao-opcoes li .bullet {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.questao-opcoes li.opcao-escolhida .bullet {
  background: var(--accent);
  border-color: var(--accent);
}

.questao-opcoes li.opcao-correta .bullet {
  border-color: var(--success);
}

.questao-opcoes li .tag {
  padding: 0.05rem 0.25rem;
  border-radius: 999px;
  font-size: 0.7rem;
  border: 1px solid transparent;
}

.questao-opcoes li .tag-escolhida {
  border-color: var(--accent);
  color: var(--accent);
}

.questao-opcoes li .tag-gabarito {
  border-color: var(--success);
  color: var(--success);
}

.no-print {
  /* usado para esconder elementos na impressão */
}

@media print {
  body {
    background: #ffffff;
    color: #000000;
  }

  .header,
  #auth-page,
  .filtros-resultados .no-print {
    display: none !important;
  }

  .main {
    max-width: 100%;
    margin: 0;
    padding: 0.5rem 1rem;
  }

  .view {
    display: none !important;
  }

  #view-resultados {
    display: block !important;
  }

  .resultado-card {
    box-shadow: none;
    border-radius: 0;
    page-break-inside: avoid;
  }
}

.empty-state {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  max-width: 480px;
  margin: 0 auto;
}

.hidden {
  display: none !important;
}

@media (max-width: 600px) {
  .header {
    flex-direction: column;
    align-items: stretch;
  }

  .nav {
    justify-content: stretch;
  }

  .nav-btn {
    flex: 1;
  }
}