:root {
  color-scheme: light;
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-muted: #eef0f4;
  --border: #dcdfe6;
  --text: #1b2230;
  --muted: #596377;
  --primary: #3554d1;
  --primary-hover: #2943b0;
  --primary-text: #ffffff;
  --error-bg: #fdeded;
  --error-text: #9b1c1c;
  --error-border: #f2c4c4;
  --success-bg: #e7f5ec;
  --success-text: #1b6439;
  --success-border: #bde3cb;
  --info-bg: #eaf0fd;
  --info-text: #23409f;
  --info-border: #c7d4f6;
  --warning-bg: #fff4e0;
  --warning-text: #8a4b00;
  --warning-border: #f5d6a3;
  --danger: #c22a2a;
  --danger-hover: #a11f1f;
  --focus-ring: 0 0 0 3px rgba(53, 84, 209, 0.35);
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 2px 6px rgba(16, 24, 40, 0.06);
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    Arial,
    sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0f131a;
    --surface: #171c25;
    --surface-muted: #1f2531;
    --border: #2c3442;
    --text: #e6e9ef;
    --muted: #9aa4b5;
    --primary: #6d8cff;
    --primary-hover: #8aa2ff;
    --primary-text: #0f131a;
    --error-bg: #3a1a1d;
    --error-text: #ffb4b4;
    --error-border: #5c2a2f;
    --success-bg: #15301f;
    --success-text: #9fe0b5;
    --success-border: #24502f;
    --info-bg: #1a2442;
    --info-text: #b5c6ff;
    --info-border: #2c3c6b;
    --warning-bg: #3a2a12;
    --warning-text: #ffd28a;
    --warning-border: #5e4520;
    --danger: #ff8a8a;
    --danger-hover: #ffb0b0;
    --focus-ring: 0 0 0 3px rgba(109, 140, 255, 0.45);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  }
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin: 0 0 0.5rem;
}

h1 {
  font-size: 1.6rem;
}

h2 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--primary);
}

a:hover {
  color: var(--primary-hover);
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 4px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Consolas, 'Liberation Mono', monospace;
  font-size: 0.95em;
}

.muted {
  color: var(--muted);
}

/* Barra superior */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
}

.brand .logo {
  color: var(--primary);
}

.nav {
  display: flex;
  gap: 1rem;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

.nav a:hover {
  color: var(--primary);
}

.user-menu {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1rem;
  font-size: 0.95rem;
}

.user-name {
  color: var(--muted);
}

.inline-form {
  display: inline;
  margin: 0;
}

.link-button {
  background: none;
  border: 0;
  padding: 0;
  color: var(--primary);
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}

.link-button:hover {
  color: var(--primary-hover);
}

/* Áreas principais */
.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.centered {
  min-height: calc(100vh - 4rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.page-header {
  margin-bottom: 1.25rem;
}

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

.narrow-card {
  width: 100%;
  max-width: 420px;
}

.centered > .alert {
  width: 100%;
  max-width: 420px;
}

.card-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.card-brand .logo {
  color: var(--primary);
  width: 34px;
  height: 34px;
}

.card-brand h1 {
  margin: 0;
}

.card-footer {
  margin: 1.25rem 0 0;
  text-align: center;
  font-size: 0.95rem;
}

.empty-state {
  text-align: center;
  padding: 2.5rem 1.5rem;
}

.empty-state p {
  margin: 0;
}

.error-card {
  text-align: center;
}

.error-code {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  margin: 0 0 0.25rem;
  line-height: 1;
}

.reference {
  display: inline-block;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.2rem 0.6rem;
  letter-spacing: 0.08em;
}

/* Formulários */
.form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-weight: 500;
}

.field input {
  font: inherit;
  font-weight: 400;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  width: 100%;
}

.field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--focus-ring);
}

.hint {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.85rem;
}

/* Botões */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font: inherit;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.6rem 1.1rem;
  text-decoration: none;
  cursor: pointer;
}

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

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

.button-block {
  width: 100%;
}

/* Mensagens */
.alert {
  border: 1px solid;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin: 0 0 1rem;
}

.alert ul {
  margin: 0;
  padding-left: 1.2rem;
}

.alert-error {
  background: var(--error-bg);
  color: var(--error-text);
  border-color: var(--error-border);
}

.alert-success {
  background: var(--success-bg);
  color: var(--success-text);
  border-color: var(--success-border);
}

.alert-info {
  background: var(--info-bg);
  color: var(--info-text);
  border-color: var(--info-border);
}

.alert-warning {
  background: var(--warning-bg);
  color: var(--warning-text);
  border-color: var(--warning-border);
}

.alert-title {
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Navegação: página atual */
.nav a[aria-current='page'] {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 2px;
}

/* Cabeçalho de página com ação ao lado */
.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
}

.page-header h1 {
  margin: 0;
}

.page-header .subtitle {
  flex-basis: 100%;
  margin: 0;
}

.back-link {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.stack > .alert {
  margin: 0;
}

.card h2.section-break {
  margin-top: 1.75rem;
}

.card h2 {
  margin-bottom: 0.75rem;
}

.card > :last-child {
  margin-bottom: 0;
}

.section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 0.5rem 0 0.75rem;
}

.section-title h2 {
  margin: 0;
}

/* Botões extras */
.button-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.button-secondary:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.button-danger {
  background: var(--danger);
  color: var(--primary-text);
}

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

.button-small {
  padding: 0.35rem 0.75rem;
  font-size: 0.9rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.link-danger {
  color: var(--danger);
}

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

/* Selos */
/* Selos longos ("Compartilhado com A e B") quebram linha em vez de vazar da tela. */
.badge {
  display: inline-block;
  max-width: 100%;
  border-radius: 0.75rem;
  padding: 0.1rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.5;
  overflow-wrap: break-word;
  border: 1px solid transparent;
}

.badge-success {
  background: var(--success-bg);
  color: var(--success-text);
  border-color: var(--success-border);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning-text);
  border-color: var(--warning-border);
}

.badge-info {
  background: var(--info-bg);
  color: var(--info-text);
  border-color: var(--info-border);
}

.badge-muted {
  background: var(--surface-muted);
  color: var(--muted);
  border-color: var(--border);
}

/* Campos extras */
.field select,
.field textarea {
  font: inherit;
  font-weight: 400;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  width: 100%;
}

.field input[type='file'] {
  padding: 0.5rem;
  background: var(--surface-muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.form-grid .actions,
.form-grid .full {
  grid-column: 1 / -1;
}

.inline-fields {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem;
}

.inline-fields .field {
  flex: 1 1 240px;
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

legend {
  font-weight: 500;
  padding: 0;
  margin-bottom: 0.35rem;
}

.checkbox-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.5rem;
}

.checkbox-list label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  cursor: pointer;
  height: 100%;
}

.checkbox-list label:has(input:checked) {
  border-color: var(--primary);
  background: var(--info-bg);
}

.checkbox-list input {
  margin-top: 0.3rem;
  accent-color: var(--primary);
}

.checkbox-list small {
  display: block;
  color: var(--muted);
  overflow-wrap: anywhere;
}

/* Bloco recolhível (formulário de criação) */
.disclosure > summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.disclosure > summary::-webkit-details-marker {
  display: none;
}

.disclosure > summary::before {
  content: '+';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 6px;
  background: var(--primary);
  color: var(--primary-text);
  font-weight: 700;
}

.disclosure[open] > summary::before {
  content: '−';
}

/* Tabelas */
.table-card {
  padding: 0;
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.table th,
.table td {
  text-align: left;
  vertical-align: top;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.table th {
  background: var(--surface-muted);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
}

.table tbody tr:last-child td {
  border-bottom: 0;
}

.table .numeric {
  text-align: right;
}

.row-highlight td {
  background: var(--warning-bg);
}

.table .nowrap {
  white-space: nowrap;
}

.table .break-anywhere {
  overflow-wrap: anywhere;
}

.row-actions-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  white-space: nowrap;
}

.cell-note {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Listas de simulados e de membros */
.item-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.item-list > li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

.item-list > li:first-child {
  padding-top: 0;
}

.item-list > li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.item-main {
  min-width: 0;
  flex: 1 1 260px;
}

.item-title {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.15rem;
}

.empty-note {
  color: var(--muted);
  margin: 0;
}

/* Prompt, mensagem para o ChatGPT e senha gerada */
.code-box {
  font-family: ui-monospace, SFMono-Regular, Consolas, 'Liberation Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.45;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin: 0 0 0.75rem;
  max-height: 18rem;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  width: 100%;
  color: var(--text);
  resize: vertical;
}

.secret {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  background: var(--surface-muted);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  margin: 0.5rem 0 0.75rem;
  overflow-wrap: anywhere;
}

.data-list {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.35rem 1rem;
  margin: 0 0 1rem;
}

.data-list dt {
  color: var(--muted);
}

.data-list dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.steps {
  margin: 0;
  padding-left: 1.25rem;
}

.steps > li + li {
  margin-top: 1.25rem;
}

.steps p {
  margin: 0.25rem 0 0.75rem;
}

.danger-zone {
  border-color: var(--error-border);
}

.danger-zone h2 {
  color: var(--error-text);
}

@media (max-width: 760px) {
  .responsive-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }

  .responsive-table,
  .responsive-table tbody,
  .responsive-table tr,
  .responsive-table td {
    display: block;
    width: 100%;
  }

  .responsive-table tr {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
  }

  .responsive-table tbody tr:last-child {
    border-bottom: 0;
  }

  .responsive-table td {
    border: 0;
    padding: 0.2rem 0;
    display: grid;
    grid-template-columns: 7.5rem 1fr;
    gap: 0.75rem;
    overflow-wrap: anywhere;
  }

  .responsive-table td[data-label]::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.85rem;
  }

  .responsive-table td.row-actions {
    display: block;
    padding-top: 0.5rem;
  }

  .row-actions-list {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
  }

  .row-highlight td {
    background: none;
  }

  .responsive-table tr.row-highlight {
    background: var(--warning-bg);
  }

  .table .numeric {
    text-align: left;
  }
}

@media (max-width: 600px) {
  .card {
    padding: 1.25rem;
  }

  .user-menu {
    margin-left: 0;
    width: 100%;
  }

  .data-list {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }

  .data-list dd + dt {
    margin-top: 0.5rem;
  }
}