/* ============================================
   ONIA Portal - Worn Slate (Blue Variant)
   ============================================ */

:root {
  /* Surfaces */
  --color-page: #f7f5f0;
  --color-surface: #ffffff;
  --color-surface-alt: #f0ede6;
  --color-elevated: #fafaf7;

  /* Text */
  --color-ink: #2c2825;
  --color-ink-light: #5c564e;
  --color-ink-muted: #8a847b;
  --color-ink-faint: #b5afa6;

  /* Borders */
  --color-border: #ddd8cf;
  --color-border-light: #ebe8e2;

  /* Primary */
  --color-primary: #4e6f88;
  --color-primary-hover: #3f5f76;
  --color-primary-light: #e7eef3;

  /* Danger */
  --color-danger: #b55a4a;
  --color-danger-hover: #9f4c3d;
  --color-danger-light: #f5e6e3;
  --color-danger-text: #8b3d30;

  /* Warning */
  --color-warning: #b8860b;
  --color-warning-light: #fbf4e4;
  --color-warning-text: #7a5a08;
  --color-warning-border: #e8d5a3;

  /* Success */
  --color-success: #5e7a70;
  --color-success-light: #e8efea;
  --color-success-text: #3e5c53;

  /* Info */
  --color-info: #5b7b8f;
  --color-info-light: #e6edf1;
  --color-info-text: #3d5a6a;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(44, 40, 37, 0.04);
  --shadow-md:
    0 2px 8px -1px rgba(44, 40, 37, 0.06),
    0 1px 3px -1px rgba(44, 40, 37, 0.04);
  --shadow-lg:
    0 4px 16px -2px rgba(44, 40, 37, 0.08),
    0 2px 6px -2px rgba(44, 40, 37, 0.04);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 999px;

  /* Sidebar */
  --sidebar-width: 220px;
  --sidebar-width-collapsed: 56px;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  flex-direction: column;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-page);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.main {
  flex: 1;
}

h1,
h2,
h3,
h4,
p,
ul,
ol {
  margin: 0;
  padding: 0;
}

h1 {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.125rem;
  font-weight: 600;
}

h3 {
  font-size: 1rem;
  font-weight: 600;
}

p + p {
  margin-top: 0.5rem;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

.header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.75rem 0;
}

.header-brand {
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.header-brand:hover {
  text-decoration: none;
}

.header-left {
  align-items: center;
  display: flex;
  gap: 0.75rem;
}

.sidebar-mobile-toggle {
  align-items: center;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: none;
  flex-direction: column;
  gap: 0.2rem;
  justify-content: center;
  height: 2rem;
  padding: 0.25rem;
  width: 2rem;
}

.sidebar-mobile-toggle span {
  background: var(--color-ink-light);
  border-radius: var(--radius-full);
  display: block;
  height: 2px;
  width: 0.9rem;
}

.header-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-ink-muted);
  font-size: 0.8125rem;
}

.logout-form {
  margin: 0;
}

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

.logout-link:hover {
  text-decoration: underline;
}

.pilot-banner {
  background: var(--color-info-light);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-info-text);
  font-size: 0.8125rem;
  padding: 0.375rem 1rem;
  text-align: center;
}

.impersonation-banner {
  background: #7f1d1d;
  border-bottom: 2px solid #fecaca;
  color: #fff7ed;
  font-size: 0.8125rem;
  padding: 0.55rem 0;
}

.impersonation-banner-inner {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.9rem;
}

.impersonation-banner p {
  margin: 0;
}

.impersonation-stop-form {
  margin-left: auto;
}

.impersonation-stop-btn {
  background: #fde047;
  border: 0;
  border-radius: var(--radius-sm);
  color: #3f2303;
  cursor: pointer;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.48rem 0.72rem;
}

.impersonation-stop-btn:hover {
  background: #facc15;
}

.impersonation-banner .small-note {
  color: #ffe4e6;
}

.mono {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

.dashboard-layout {
  align-items: stretch;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: calc(100vh - 7rem);
  transition: grid-template-columns 180ms ease;
}

.dashboard-layout.is-collapsed {
  grid-template-columns: var(--sidebar-width-collapsed) minmax(0, 1fr);
}

.dashboard-sidebar {
  align-self: start;
  background: linear-gradient(180deg, #4e6f88 0%, #44657e 100%);
  color: #e8eff5;
  height: 100vh;
  overflow-y: auto;
  padding: 0.75rem 0.5rem;
  position: sticky;
  top: 0;
}

.dashboard-sidebar:focus-visible {
  outline: 2px solid #fff;
  outline-offset: -2px;
}

.sidebar-brand {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  margin-bottom: 0.75rem;
  padding: 0.25rem 0.375rem 0.75rem;
}

.sidebar-brand-link {
  color: #fff;
  display: block;
}

.sidebar-brand-link:hover {
  opacity: 0.85;
  text-decoration: none;
}

.sidebar-logo-full {
  display: block;
}

.sidebar-logo-full svg {
  display: block;
  height: auto;
  max-width: 200px;
  width: 100%;
}

.sidebar-logo-mark {
  display: none;
}

.sidebar-logo-mark svg {
  display: block;
  height: auto;
  margin: 0 auto;
  width: 28px;
}

.dashboard-layout.is-collapsed .sidebar-logo-full {
  display: none;
}

.dashboard-layout.is-collapsed .sidebar-logo-mark {
  display: block;
}

.dashboard-layout.is-collapsed .sidebar-brand {
  padding-left: 0;
  padding-right: 0;
}

.sidebar-top {
  align-items: center;
  display: flex;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
  min-height: 2rem;
}

.sidebar-heading {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-right: auto;
  text-transform: uppercase;
}

.sidebar-collapse-toggle,
.sidebar-close-toggle {
  align-items: center;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-sm);
  color: #f2f7fb;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-size: 0.75rem;
  gap: 0.25rem;
  line-height: 1;
  padding: 0.35rem 0.45rem;
}

.sidebar-close-toggle {
  display: none;
}

.sidebar-collapse-toggle svg,
.sidebar-close-toggle svg {
  height: 1rem;
  width: 1rem;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar-group-label {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: #dce8f2;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin: 0.55rem 0 0.15rem;
  padding: 0.6rem 0.625rem 0 0.625rem;
  text-transform: uppercase;
}

.sidebar-link {
  align-items: center;
  border-radius: var(--radius-sm);
  color: #f0f6fb;
  display: flex;
  font-size: 0.875rem;
  font-weight: 500;
  gap: 0.625rem;
  min-height: 2.375rem;
  padding: 0.5rem 0.625rem;
}

.sidebar-link:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  text-decoration: none;
}

.sidebar-link.active {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.sidebar-icon {
  align-items: center;
  display: inline-flex;
  flex: 0 0 auto;
  height: 1.25rem;
  justify-content: center;
  width: 1.25rem;
}

.sidebar-icon svg {
  height: 100%;
  width: 100%;
}

.sidebar-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-badge {
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: var(--radius-full);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
  margin-left: auto;
  min-width: 1.35rem;
  padding: 0.2rem 0.35rem;
  text-align: center;
}

.dashboard-layout.is-collapsed .sidebar-heading,
.dashboard-layout.is-collapsed .sidebar-group-label,
.dashboard-layout.is-collapsed .sidebar-label,
.dashboard-layout.is-collapsed .sidebar-collapse-label {
  opacity: 0;
  pointer-events: none;
  width: 0;
}

.dashboard-layout.is-collapsed .sidebar-link {
  justify-content: center;
  padding-left: 0.25rem;
  padding-right: 0.25rem;
}

.dashboard-layout.is-collapsed .sidebar-badge {
  display: none;
}

.dashboard-layout.is-collapsed .sidebar-collapse-toggle {
  justify-content: center;
  margin-left: auto;
}

.dashboard-layout.is-collapsed .sidebar-collapse-toggle svg {
  transform: rotate(180deg);
}

.sidebar-backdrop {
  background: rgba(19, 25, 32, 0.42);
  border: 0;
  display: none;
  inset: 0;
  margin: 0;
  padding: 0;
  position: fixed;
  z-index: 140;
}

.dashboard-main {
  min-width: 0;
}

.main {
  padding: 1.5rem 0 3rem;
}

.main-dashboard {
  padding: 1.25rem 0 2.25rem;
}

.landing-wrapper {
  max-width: 760px;
  margin: 1.5rem auto 0;
}

.actions {
  margin-top: 1rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
}

.card + .card {
  margin-top: 1.25rem;
}

.card-title {
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.625rem;
}

.card-title-xl {
  color: var(--color-ink);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.desafio-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.desafio-card-header .card-title {
  margin-bottom: 0;
}

.desafio-card-header-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Toggle switch */
.toggle-switch {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  position: relative;
}

.toggle-switch input {
  opacity: 0;
  position: absolute;
  width: 0;
  height: 0;
}

.toggle-switch-track {
  width: 34px;
  height: 18px;
  background: var(--color-border);
  border-radius: 9px;
  position: relative;
  transition: background 0.2s;
}

.toggle-switch input:checked + .toggle-switch-track {
  background: var(--color-primary, #2563eb);
}

.toggle-switch-track::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: white;
  top: 2px;
  left: 2px;
  transition: transform 0.2s;
}

.toggle-switch input:checked + .toggle-switch-track::after {
  transform: translateX(16px);
}

.toggle-switch input:disabled + .toggle-switch-track {
  opacity: 0.4;
  cursor: not-allowed;
}

.toggle-switch:has(input:disabled) {
  cursor: not-allowed;
}

/* Modal student list */
.modal-student-list-heading {
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0.75rem 0 0;
}

.modal-student-list {
  list-style: disc;
  margin: 0.25rem 0 0;
  padding-left: 1.25rem;
  max-height: 240px;
  overflow-y: auto;
}

.modal-student-list li {
  padding: 0.25rem 0;
  font-size: 0.875rem;
}

.modal-student-list li s {
  color: var(--color-ink-muted, #6b7280);
  cursor: help;
}

.panel {
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  padding: 1rem 1.125rem;
}

.panel-info {
  background: var(--color-info-light);
  border: 1px solid #c4d4de;
  color: var(--color-info-text);
}

.panel-warning {
  background: var(--color-warning-light);
  border: 1px solid var(--color-warning-border);
  color: var(--color-warning-text);
}

.panel-success {
  background: var(--color-success-light);
  border: 1px solid #c0d4cb;
  color: var(--color-success-text);
}

.panel-guide-cta {
  background: var(--color-primary-light);
  border: 1px solid #bfd1de;
  color: var(--color-ink);
}

.panel-guide-cta p + p {
  margin-top: 0.75rem;
}

.btn {
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-block;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.625rem 1rem;
  text-align: center;
  text-decoration: none;
  transition: background 150ms, border-color 150ms, color 150ms;
}

.btn:focus-visible,
.form-input:focus-visible,
.logout-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background: var(--color-primary-hover);
  text-decoration: none;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

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

.btn-secondary:hover {
  background: var(--color-elevated);
  text-decoration: none;
}

.btn-full {
  width: 100%;
}

.btn-guide-cta {
  font-size: 0.8125rem;
  padding: 0.5rem 0.85rem;
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.4rem 0.7rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-label {
  color: var(--color-ink-light);
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 0.25rem;
}

.form-input {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  display: block;
  font-family: inherit;
  font-size: 0.9375rem;
  padding: 0.5rem 0.75rem;
  transition: border-color 150ms;
  width: 100%;
}

.form-input:focus {
  border-color: var(--color-primary);
}

.form-input:focus:not(:focus-visible) {
  outline: none;
}

.form-errors {
  background: var(--color-danger-light);
  border: 1px solid #d4a9a2;
  border-radius: var(--radius-sm);
  color: var(--color-danger-text);
  font-size: 0.8125rem;
  margin-bottom: 1rem;
  padding: 0.625rem 0.875rem;
}

.alert {
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
}

.alert-error {
  background: var(--color-danger-light);
  border: 1px solid #d4a9a2;
  color: var(--color-danger-text);
}

.alert-warning {
  background: var(--color-warning-light);
  border: 1px solid var(--color-warning-border);
  color: var(--color-warning-text);
}

.alert ul {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.alert ul a {
  color: inherit;
}

.muted {
  color: var(--color-ink-light);
  font-size: 0.875rem;
}

.small-note {
  color: var(--color-ink-muted);
  font-size: 0.8125rem;
}

.school-search-tips {
  margin: 0.375rem 0 0.75rem 1rem;
}

.school-search-tips li + li {
  margin-top: 0.25rem;
}

.display-name-examples {
  margin-top: 0.5rem;
}

.display-name-examples div + div {
  margin-top: 0.125rem;
}

.inline-warning {
  background: var(--color-warning-light);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius-sm);
  color: var(--color-warning-text);
  font-size: 0.8125rem;
  margin-top: 0.5rem;
  padding: 0.5rem 0.625rem;
}

.school-results {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.school-result-option {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  cursor: pointer;
  font: inherit;
  padding: 0.625rem 0.75rem;
  text-align: left;
  width: 100%;
}

.school-result-option:hover {
  background: var(--color-elevated);
}

.table {
  background: var(--color-surface);
  border-collapse: collapse;
  width: 100%;
}

.table th {
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-ink-muted);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.5rem 0.75rem;
  text-align: left;
  text-transform: uppercase;
}

.table td {
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.875rem;
  padding: 0.625rem 0.75rem;
}

.table tbody tr:hover td {
  background: var(--color-elevated);
}

.badge {
  border: 1px solid;
  border-radius: var(--radius-full);
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.125rem 0.5rem;
}

.badge-approved {
  background: #e8efea;
  border-color: #c0d4cb;
  color: #3e5c53;
}

.badge-submitted,
.badge-waiting {
  background: #e6edf1;
  border-color: #c4d4de;
  color: #3d5a6a;
}

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

.badge-rejected {
  background: var(--color-danger-light);
  border-color: #d4a9a2;
  color: var(--color-danger-text);
}

.badge-status-available {
  background: var(--color-success-light);
  border-color: #c0d4cb;
  color: var(--color-success-text);
}

.badge-status-soon {
  background: var(--color-warning-light);
  border-color: var(--color-warning-border);
  color: var(--color-warning-text);
}

.badge-status-unavailable {
  background: var(--color-surface-alt);
  border-color: var(--color-border);
  color: var(--color-ink-muted);
}

/* Challenge picker grid */

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

.challenge-grid .card + .card {
  margin-top: 0;
}

@media (min-width: 540px) {
  .challenge-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.challenge-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-ink);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.challenge-card:hover:not(.challenge-card-disabled) {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.challenge-card-disabled {
  opacity: 0.55;
  cursor: default;
}

.challenge-card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

.challenge-card-desc {
  color: var(--color-ink-light);
  font-size: 0.8125rem;
  flex: 1;
  margin-bottom: 0.625rem;
}

.challenge-card .badge {
  align-self: start;
  margin-top: auto;
}

.badge-active {
  background: var(--color-success-light);
  border-color: #c0d4cb;
  color: var(--color-success-text);
}

.badge-upcoming {
  background: var(--color-info-light);
  border-color: #c4d4de;
  color: var(--color-info-text);
}

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

.platforms-layout {
  align-items: start;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  margin-bottom: 1.25rem;
}

.platforms-main,
.platforms-side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.platform-card-head {
  align-items: center;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  margin-bottom: 0.625rem;
}

.platform-card-head .card-title-xl {
  margin-bottom: 0;
}

.platform-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.platform-actions form {
  margin: 0;
}

.guide-steps {
  margin: 0.625rem 0 0;
  padding-left: 1.125rem;
}

.guide-toc ol {
  margin: 0;
  padding-left: 1.125rem;
}

.guide-toc li + li {
  margin-top: 0.25rem;
}

.guide-steps li + li {
  margin-top: 0.875rem;
}

.guide-step-head {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.guide-step-head + .small-note {
  margin-top: 0.25rem;
}

.guide-figure {
  max-width: 560px;
  margin-top: 0.85rem;
}

.guide-screenshot {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: block;
  height: auto;
  max-width: 100%;
  width: 100%;
}

.guide-figcaption {
  color: var(--color-ink-muted);
  font-size: 0.8125rem;
  margin-top: 0.45rem;
}

.eduspace-print-note {
  margin-bottom: 1rem;
}

.eduspace-print-url {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.8125rem;
  overflow-wrap: anywhere;
}

.eduspace-slip-note {
  margin-top: 0.4rem;
}

.desafio-print-note {
  margin-bottom: 1rem;
}

.desafio-print-url {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.8125rem;
  overflow-wrap: anywhere;
}

.desafio-slip-note {
  margin-top: 0.4rem;
}

.faq-question {
  align-items: baseline;
  display: flex;
  gap: 0.35rem;
  scroll-margin-top: 6rem;
}

.faq-question:not(:first-of-type) {
  margin-top: 1rem;
}

.faq-question + p {
  margin-top: 0.35rem;
}

.faq-anchor {
  color: var(--color-ink-faint);
  font-size: 0.8125rem;
  text-decoration: none;
}

.faq-anchor:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.dashboard-greeting {
  margin-bottom: 1.25rem;
}

.dashboard-greeting h1 {
  font-size: 1.25rem;
}

.dashboard-greeting p {
  color: var(--color-ink-light);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.announcement-banner {
  align-items: flex-start;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

.announcement-banner-main {
  flex: 1 1 auto;
  min-width: 0;
}

.announcement-banner-main .card-title-xl {
  margin-bottom: 0.4rem;
}

.announcement-banner-actions {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  gap: 0.5rem;
}

.announcement-banner-actions form {
  margin: 0;
}

.announcements-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.announcement-card {
  border-left: 4px solid transparent;
}

.announcement-card-unread {
  border-left-color: var(--color-primary);
}

.announcement-card-head {
  align-items: center;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.login-wrapper {
  margin: 2.5rem auto;
  max-width: 380px;
}

.footer {
  border-top: 1px solid var(--color-border-light);
  color: var(--color-ink-muted);
  font-size: 0.75rem;
  padding: 1.25rem 0;
}

.footer-dashboard {
  border-top: 1px solid var(--color-border-light);
}

.footer a {
  color: inherit;
}

.tabs-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tabs-inline a {
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-ink);
  font-size: 0.8125rem;
  padding: 0.35rem 0.65rem;
  text-decoration: none;
}

.tabs-inline a.active {
  background: var(--color-primary-soft);
  border-color: var(--color-primary-border);
  color: var(--color-primary-ink);
  font-weight: 600;
}

.stats-grid {
  display: grid;
  gap: 0.65rem;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.stat-card {
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: 10px;
  padding: 0.75rem;
}

.stat-label {
  color: var(--color-ink-muted);
  font-size: 0.75rem;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 0.2rem;
}

.ops-filter-grid {
  align-items: end;
  display: grid;
  gap: 0.65rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.ops-filter-actions {
  display: flex;
  gap: 0.45rem;
}

.ops-inline-reason {
  display: inline-block;
  margin-right: 0.35rem;
  max-width: 190px;
}

.table-wrap {
  overflow-x: auto;
}

.badge-danger {
  background: #fff1f1;
  border: 1px solid #ffbdbd;
  color: #8d1f1f;
}

/* ============================================
   Desafio (Challenge) - Student session UI
   ============================================ */

/* ============================================
   Markdown content (rendered via MarkdownRender)
   ============================================ */

.markdown-content h1 { font-size: 1.375rem; font-weight: 600; margin: 1rem 0 0.5rem; }
.markdown-content h2 { font-size: 1.125rem; font-weight: 600; margin: 1rem 0 0.5rem; }
.markdown-content h3 { font-size: 1rem; font-weight: 600; margin: 0.75rem 0 0.375rem; }
.markdown-content h4 { font-size: 0.9375rem; font-weight: 600; margin: 0.75rem 0 0.375rem; }
.markdown-content h1:first-child,
.markdown-content h2:first-child,
.markdown-content h3:first-child,
.markdown-content h4:first-child { margin-top: 0; }

.markdown-content p { margin: 0.5rem 0; }
.markdown-content p:first-child { margin-top: 0; }
.markdown-content p:last-child { margin-bottom: 0; }

.markdown-content ul,
.markdown-content ol {
  margin: 0.5rem 0;
  padding-left: 0;
  list-style-position: inside;
}
.markdown-content li + li { margin-top: 0.25rem; }

.markdown-content code {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-light);
  border-radius: 3px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85em;
  padding: 0.15em 0.35em;
}

.markdown-content pre {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin: 0.75rem 0;
  overflow-x: auto;
  padding: 0.75rem 1rem;
}
.markdown-content pre code {
  background: none;
  border: none;
  border-radius: 0;
  font-size: 0.8125rem;
  padding: 0;
}

.markdown-content blockquote {
  border-left: 3px solid var(--color-border);
  color: var(--color-ink-light);
  margin: 0.75rem 0;
  padding: 0.25rem 0 0.25rem 1rem;
}

.markdown-content .table-wrap {
  margin: 0.75rem 0;
  overflow-x: auto;
}
.markdown-content table {
  border: 1px solid var(--color-border);
  border-collapse: collapse;
  width: auto;
}
.markdown-content th,
.markdown-content td {
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
  padding: 0.4rem 0.75rem;
  text-align: left;
}
.markdown-content th {
  background: var(--color-surface-alt);
  font-weight: 600;
}

.markdown-content img { max-width: 100%; height: auto; }
.markdown-content hr { border: none; border-top: 1px solid var(--color-border); margin: 1rem 0; }

.markdown-content .katex-display { margin: 0.75rem 0; text-align: center; }
.markdown-content .katex-error,
.katex-error {
  color: var(--color-danger-text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85em;
}

/* ============================================
   Desafio (Challenge) - Student session UI
   ============================================ */

.desafio-timer {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: right;
}

.desafio-preview-badge {
    background: #e8f5e9;
    color: #2e7d32;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
}

.desafio-timer-display {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 6px);
  display: inline-block;
  font-variant-numeric: tabular-nums;
  padding: 0.35rem 0.75rem;
}

.desafio-timer-urgent {
  background: var(--color-danger-light);
  border-color: var(--color-danger);
  color: var(--color-danger-text);
}

.desafio-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.desafio-nav-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 6px);
  color: var(--color-ink-light);
  cursor: pointer;
  font-size: 0.8125rem;
  padding: 0.4rem 0.75rem;
  transition: background 120ms, border-color 120ms;
}

/* Reserve the width of the bold text so buttons don't shift on activation */
.desafio-nav-btn::after {
  content: attr(data-label);
  display: block;
  font-weight: 600;
  height: 0;
  overflow: hidden;
  visibility: hidden;
}

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

.desafio-nav-btn.active {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}

.desafio-nav-submitted {
  border-color: var(--color-success);
}

.desafio-nav-started {
  border-color: var(--color-warning-border);
}

.desafio-nav-check {
  color: var(--color-success);
  font-size: 0.75rem;
}

.desafio-nav-review {
  margin-left: auto;
}

.desafio-nav-review.desafio-nav-ready {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.desafio-section h2 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.desafio-section > p,
.desafio-section > .markdown-content {
  margin-bottom: 1.5rem;
}

.desafio-question {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md, 6px);
  margin-bottom: 1rem;
  padding: 1rem;
}

.desafio-question-prompt {
  margin-bottom: 0.75rem;
}

.desafio-options {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.desafio-option {
  align-items: flex-start;
  cursor: pointer;
  display: flex;
  font-size: 0.9375rem;
  gap: 0.5rem;
  line-height: 1.4;
  padding: 0.3rem 0;
}

.desafio-option-label {
  font-weight: 600;
  margin-right: 0.25rem;
}

.desafio-option input {
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.desafio-numeric input {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 6px);
  font-size: 0.9375rem;
  max-width: 240px;
  padding: 0.45rem 0.6rem;
  width: 100%;
}

.desafio-numeric input:focus {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-primary-light);
  outline-offset: 1px;
}

.desafio-short-string input {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 6px);
  font-size: 0.9375rem;
  max-width: 360px;
  padding: 0.45rem 0.6rem;
  width: 100%;
}

.desafio-short-string input:focus {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-primary-light);
  outline-offset: 1px;
}

.desafio-section-actions {
  margin-top: 1.25rem;
}

.desafio-save-status {
  color: var(--color-ink-muted);
  font-size: 0.75rem;
  margin-top: 0.5rem;
  min-height: 1.2em;
}

.desafio-save-saving {
  color: var(--color-info-text);
}

.desafio-save-saved {
  color: var(--color-success-text);
}

.desafio-save-pending {
  color: var(--color-warning-text);
}

.desafio-save-error {
  color: var(--color-danger-text);
}

.desafio-toast {
  align-items: center;
  background: var(--color-danger-light);
  border: 1px solid var(--color-danger);
  border-radius: var(--radius-md, 6px);
  bottom: 1rem;
  color: var(--color-danger-text);
  display: none;
  font-size: 0.8125rem;
  gap: 0.5rem;
  left: 50%;
  padding: 0.6rem 1rem;
  position: fixed;
  transform: translateX(-50%);
  z-index: 200;
}

.desafio-toast:not([hidden]) {
  display: flex;
}

.desafio-toast-success {
  background: var(--color-success-light);
  border-color: var(--color-success);
  color: var(--color-success-text);
}

.desafio-toast-spinner {
  animation: desafio-spin 1s linear infinite;
  border: 2px solid var(--color-danger-light);
  border-radius: 50%;
  border-top-color: var(--color-danger-text);
  flex-shrink: 0;
  height: 14px;
  width: 14px;
}

@keyframes desafio-spin {
  to { transform: rotate(360deg); }
}

.desafio-notice {
  background: var(--color-info-light);
  border: 1px solid var(--color-info-text);
  border-radius: var(--radius-md, 6px);
  color: var(--color-info-text);
  font-size: 0.8125rem;
  margin-bottom: 1rem;
  padding: 0.6rem 1rem;
}

.desafio-review-content h2 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.desafio-review-content h3 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
  margin-top: 1rem;
}

.desafio-review-table {
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
  width: 100%;
}

.desafio-review-table th,
.desafio-review-table td {
  border-bottom: 1px solid var(--color-border-light);
  padding: 0.4rem 0.6rem;
  text-align: left;
}

.desafio-review-table th {
  color: var(--color-ink-muted);
  font-weight: 600;
}

.desafio-review-table tbody tr {
  cursor: pointer;
}

.desafio-review-table tbody tr:hover {
  background: var(--color-surface-alt);
}

.desafio-status-answered {
  color: var(--color-success-text);
}

.desafio-status-missing {
  color: var(--color-warning-text);
}

.desafio-review-meta {
  color: var(--color-muted);
  font-size: 0.875rem;
}

.desafio-review-actions {
  margin-top: 1.5rem;
}

.desafio-overlay {
  align-items: center;
  background: rgba(44, 40, 37, 0.7);
  display: none;
  inset: 0;
  justify-content: center;
  position: fixed;
  z-index: 300;
}

.desafio-overlay:not([hidden]) {
  display: flex;
}

.desafio-overlay-content {
  background: var(--color-surface);
  border-radius: var(--radius-md, 6px);
  max-width: 400px;
  padding: 2rem;
  text-align: center;
}

.desafio-modal {
  align-items: center;
  background: rgba(44, 40, 37, 0.5);
  display: none;
  inset: 0;
  justify-content: center;
  position: fixed;
  z-index: 250;
}

.desafio-modal:not([hidden]) {
  display: flex;
}

.desafio-modal-content {
  background: var(--color-surface);
  border-radius: var(--radius-md, 6px);
  max-width: 520px;
  padding: 1.5rem;
  width: 90%;
}

.desafio-modal-content h2 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.desafio-modal-content p + .alert {
  margin-top: 0.75rem;
}

.desafio-modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 1.25rem;
}

.desafio-modal-content > .alert:last-child {
  margin-bottom: 0;
  margin-top: 1rem;
}

.desafio-entry-start-area {
  align-items: center;
  display: flex;
  gap: 1rem;
  margin-top: 1.25rem;
}

.desafio-entry-read-notice {
  color: var(--color-muted);
  font-size: 0.875rem;
  flex: 1;
}

.desafio-entry-preview-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  color: var(--color-muted);
  transition: color 0.15s, background 0.15s;
}

.desafio-entry-preview-btn:hover {
  color: var(--color-text);
  background: var(--color-bg-alt, rgba(0, 0, 0, 0.05));
}

.desafio-submit-overlay-content {
  max-width: 520px;
  text-align: left;
}

.desafio-submit-overlay-info {
  margin-top: 1.5rem;
}

.desafio-submit-overlay-info p + p {
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-top: 0.5rem;
}

.desafio-submit-spinner {
  animation: desafio-spin 1s linear infinite;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  display: inline-block;
  height: 14px;
  margin-right: 0.5rem;
  vertical-align: middle;
  width: 14px;
}

.desafio-submit-progress {
  background: var(--color-border, #ddd);
  border-radius: 4px;
  height: 6px;
  margin-top: 0.75rem;
  overflow: hidden;
  width: 100%;
}

.desafio-submit-progress-bar {
  background: var(--color-primary);
  border-radius: 4px;
  height: 100%;
  transition: width 0.4s ease-out;
  width: 0%;
}

@media (max-width: 768px) {
  .header-inner {
    align-items: center;
    flex-wrap: nowrap;
  }

  .sidebar-mobile-toggle {
    display: inline-flex;
  }

  .dashboard-layout {
    display: block;
    min-height: 0;
  }

  .dashboard-sidebar {
    bottom: 0;
    box-shadow: var(--shadow-lg);
    height: 100vh;
    left: 0;
    max-width: 320px;
    padding: 0.9rem 0.65rem;
    position: fixed;
    top: 0;
    transform: translateX(-100%);
    transition: transform 180ms ease;
    width: min(82vw, 320px);
    z-index: 160;
  }

  .dashboard-layout.is-mobile-open .dashboard-sidebar {
    transform: translateX(0);
  }

  .sidebar-top {
    margin-bottom: 0.9rem;
  }

  .sidebar-close-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .sidebar-collapse-toggle {
    display: none;
  }

  .sidebar-heading {
    font-size: 0.6875rem;
  }

  .dashboard-layout.is-collapsed .sidebar-heading,
  .dashboard-layout.is-collapsed .sidebar-label,
  .dashboard-layout.is-collapsed .sidebar-collapse-label {
    opacity: 1;
    width: auto;
  }

  .dashboard-layout.is-collapsed .sidebar-link {
    justify-content: flex-start;
    padding-left: 0.625rem;
    padding-right: 0.625rem;
  }

  .dashboard-layout.is-collapsed .sidebar-logo-full {
    display: block;
  }

  .dashboard-layout.is-collapsed .sidebar-logo-mark {
    display: none;
  }

  .announcement-banner {
    flex-direction: column;
  }

  .announcement-banner-actions {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .dashboard-layout.is-collapsed .sidebar-brand {
    padding-left: 0.375rem;
    padding-right: 0.375rem;
  }

  .dashboard-layout.is-mobile-open .sidebar-backdrop {
    display: block;
  }

  .main-dashboard {
    padding-top: 1rem;
  }

  .platforms-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}

@media print {
  body {
    background: #fff;
  }

  body.print-view .container {
    max-width: none;
    padding: 0;
  }

  body.print-view .main {
    padding: 0;
  }

  body.print-view .dashboard-greeting {
    margin-bottom: 0.75rem;
  }

  body.print-view .dashboard-greeting p {
    color: #000;
  }

  body.print-view .card {
    border: 0;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
  }

  body.print-view .actions,
  body.print-view .btn {
    display: none !important;
  }
}