:root,
[data-theme="light"],
[data-theme="dark"] {
  --pico-font-family-sans-serif: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --pico-primary: #1e40af;
  --pico-primary-background: #1e40af;
  --pico-primary-hover: #1d4ed8;
  --pico-primary-underline: rgba(30, 64, 175, 0.5);
  --pico-border-radius: 6px;
}

html {
  font-size: 16px;
}

h1,
h2,
h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

button,
a,
input,
select,
textarea {
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav__actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.site-nav__actions li {
  margin-bottom: 0;
}

.workspace-subnav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.workspace-subnav__thread-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(248, 250, 252, 0.88);
  color: #475569;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}

.workspace-subnav__thread-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #64748b;
}

.workspace-subnav__thread-id {
  margin: 0;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(30, 64, 175, 0.08);
  color: #1e40af;
  font-size: 0.9rem;
  font-weight: 700;
}

.subnav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.subnav-list li {
  margin-bottom: 0;
}

.subnav-link,
.subnav-button {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2.5rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.78);
  color: #334155;
  text-decoration: none;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.subnav-link:hover,
.subnav-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
  border-color: rgba(30, 64, 175, 0.24);
}

.subnav-link--active {
  background: linear-gradient(180deg, #0172AD 0%, #0172AD 100%);
  color: #ffffff;
  border-color: rgba(29, 78, 216, 0.75);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.22);
  font-weight: 700;
}

.subnav-link--locked,
.subnav-button:disabled {
  background: rgba(226, 232, 240, 0.85);
  color: #64748b;
  border-color: rgba(148, 163, 184, 0.3);
  box-shadow: none;
}

.subnav-link[aria-current="page"] {
  cursor: default;
}

.taxonomy-gateway-stack {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  width: 100%;
}

.taxonomy-card,
details.taxonomy-toggle {
  width: 100%;
}

.taxonomy-card {
  box-sizing: border-box;
}

.taxonomy-alert {
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(248, 250, 252, 0.88);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.taxonomy-alert--error {
  border-color: rgba(220, 38, 38, 0.22);
  background: rgba(254, 242, 242, 0.95);
}

.taxonomy-alert--warning {
  border-color: rgba(245, 158, 11, 0.22);
  background: rgba(255, 251, 235, 0.95);
}

.taxonomy-form-grid {
  display: grid;
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 1rem;
}

details.taxonomy-toggle {
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: var(--pico-border-radius);
  padding: 1rem;
  background: rgba(255, 255, 255, 0.65);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  margin-top: 0.5rem;
}

details.taxonomy-toggle > summary {
  cursor: pointer;
  font-weight: 700;
  color: #0f172a;
}

details.taxonomy-toggle[open] > summary {
  margin-bottom: 1rem;
}

.taxonomy-form-grid--2 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.taxonomy-form-grid--3 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.taxonomy-form-grid--4 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .taxonomy-form-grid--2,
  .taxonomy-form-grid--3,
  .taxonomy-form-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .taxonomy-form-grid--3,
  .taxonomy-form-grid--4 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1400px) {
  .taxonomy-form-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.taxonomy-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  align-items: stretch;
}

.taxonomy-field__label {
  color: #374151;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
}

.taxonomy-field__required {
  color: #dc2626;
  font-weight: 700;
}

.taxonomy-field__description {
  margin-top: -0.25rem;
}

.taxonomy-field > :is(input, select, textarea) {
  width: 100%;
}

.taxonomy-field textarea,
.taxonomy-field select,
.taxonomy-field input {
  width: 100%;
  border-radius: var(--pico-border-radius);
}

.taxonomy-form-grid .taxonomy-field input,
.taxonomy-form-grid .taxonomy-field select,
.taxonomy-form-grid .taxonomy-field textarea {
  min-width: 0;
}

/* Centered auth shell without inline style attributes. */
.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

/* Keep card width consistent and readable for internal tooling. */
.login-shell article {
  width: min(100%, 480px);
}

:is(button, [role="button"], input, select, textarea):focus,
:is(button, [role="button"], input, select, textarea):focus-visible {
  border-color: var(--pico-primary);
  box-shadow: 0 0 0 0.2rem rgba(30, 64, 175, 0.25);
}

button:active,
[role="button"]:active {
  border-color: var(--pico-primary);
  background-color: var(--pico-primary-hover);
}

.taxonomy-global-loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transform: scaleX(0.25);
  transform-origin: left center;
  background: linear-gradient(90deg, transparent 0%, #dc2626 18%, #f87171 50%, #dc2626 82%, transparent 100%);
  box-shadow: 0 0 18px rgba(220, 38, 38, 0.55);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.challenge-page {
  display: grid;
  gap: 1.25rem;
}

.challenge-toolbar,
.challenge-generation-panel,
.challenge-bulk-panel,
.challenge-create-slot,
.challenge-list {
  width: 100%;
}

.challenge-toolbar {
  display: grid;
  gap: 1rem;
}

.challenge-toolbar__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.challenge-total {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
}

.challenge-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(191, 219, 254, 0.6);
  color: #1d4ed8;
  font-size: 0.78rem;
  font-weight: 700;
}

.challenge-draft-badge {
  display: none;
}

.challenge-card--draft {
  border-style: dashed;
  border-color: rgba(245, 158, 11, 0.45);
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.1), 0 18px 30px rgba(15, 23, 42, 0.06);
}

.challenge-card--draft .challenge-draft-badge {
  display: inline-flex;
}

.challenge-card,
.challenge-form-card,
.challenge-empty-state,
.challenge-generation-panel article,
.challenge-bulk-panel article {
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
}

.challenge-card__header,
.challenge-card__actions,
.challenge-form__actions,
.challenge-row__actions,
.challenge-regenerate,
.challenge-subregion-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.challenge-card__header {
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.challenge-card__title {
  margin-bottom: 0.15rem;
}

.challenge-card__bulk {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.2rem;
}

.challenge-card__section {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.challenge-form-feedback {
  min-height: 1.25rem;
  color: #b91c1c;
  font-size: 0.92rem;
  font-weight: 600;
}

.challenge-sdg-shell,
.challenge-subregion-shell {
  display: grid;
  gap: 0.75rem;
}

.challenge-sdg-list {
  display: grid;
  gap: 0.75rem;
}

.challenge-sdg-row {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: minmax(10rem, 10rem) minmax(0, 1fr) auto;
  align-items: end;
}

.challenge-subregion-row {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
}

.challenge-form-grid {
  display: grid;
  gap: 1rem;
}

.challenge-form-grid--2 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .challenge-form-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.challenge-form textarea,
.challenge-form input,
.challenge-form select,
.challenge-card textarea,
.challenge-card input,
.challenge-card select {
  width: 100%;
}

.challenge-empty-state {
  padding: 1.5rem;
  border: 1px dashed rgba(148, 163, 184, 0.4);
  background: rgba(248, 250, 252, 0.75);
}

.challenge-empty-state[aria-disabled="true"] {
  opacity: 0.72;
}

.challenge-empty-state__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.challenge-list {
  display: grid;
  gap: 1rem;
}

body.taxonomy-htmx-loading .taxonomy-global-loader {
  opacity: 1;
  animation: taxonomy-loader-slide 1.05s ease-in-out infinite;
}

.taxonomy-htmx-disabled {
  opacity: 0.72;
  cursor: progress;
  pointer-events: none;
}

.taxonomy-delete-modal {
  width: min(92vw, 34rem);
  border: 0;
  border-radius: 18px;
  padding: 0;
  background: transparent;
  box-shadow: none;
}

.taxonomy-delete-modal::backdrop {
  background: rgba(15, 23, 42, 0.58);
  backdrop-filter: blur(6px);
}

.taxonomy-delete-modal .delete-confirm-shell article {
  margin: 0;
  border-radius: 18px;
  border: 1px solid rgba(239, 68, 68, 0.18);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.28);
}

.taxonomy-delete-modal .delete-confirm-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1rem;
}

.taxonomy-delete-modal .delete-confirm-form button {
  min-width: 8.5rem;
}

@keyframes taxonomy-loader-slide {
  0% {
    transform: translateX(-30%) scaleX(0.35);
  }

  50% {
    transform: translateX(0%) scaleX(1);
  }

  100% {
    transform: translateX(30%) scaleX(0.35);
  }
}

/* --- Challenge card refinements --- */
details.challenge-card {
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.12);
  background: #fff;
  padding: 12px;
  box-sizing: border-box;
}

details.challenge-card > summary {
  list-style: none;
  cursor: pointer;
  display: block;
  padding: 0.25rem 0.5rem;
}

details.challenge-card > summary > .challenge-card__header {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding: 0.5rem 0.25rem;
}

details.challenge-card[open] {
  box-shadow: 0 22px 48px rgba(15, 23, 42, 0.08);
}

/* Regenerate form: responsive layout */
.challenge-card__footer .challenge-form {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}

@media (min-width: 760px) {
  .challenge-card__footer .challenge-form {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
  .challenge-card__footer .challenge-form textarea {
    min-height: 4.5rem;
  }
}

/* Make taxonomy fields inside challenge cards look like small cards */
.challenge-card .taxonomy-field {
  background: rgba(248,250,252,0.95);
  border: 1px solid rgba(148,163,184,0.12);
  padding: 0.65rem;
  border-radius: 10px;
}

.challenge-card .taxonomy-field > .taxonomy-field__label {
  white-space: normal;
}

/* Increase spacing inside the challenge body for a more professional look */
.challenge-card .challenge-card__body {
  padding: 0.9rem 0.6rem 0.6rem 0.6rem;
  gap: 1rem;
}

/* Right-align actions when needed (used for per-card regenerate buttons) */
.challenge-form__actions--right {
  justify-content: flex-end;
  width: 100%;
}

/* Ensure regenerate textarea stretches the available width */
.challenge-form__textarea {
  width: 100%;
  min-height: 4rem;
  box-sizing: border-box;
}

/* Ensure per-card regenerate section stacks elements vertically */
.challenge-regenerate > H3,
.challenge-regenerate > p,
.challenge-regenerate > form {
  width: 100%;
  display: block;
}

.challenge-regenerate .challenge-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.challenge-regenerate .challenge-form__actions--right {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.25rem;
}

/* Ensure action buttons stay compact */
.challenge-card__actions > * {
  padding: 0.35rem 0.6rem;
}

/* Apply 12px padding to non-details challenge-card elements too */
.challenge-card {
  padding: 12px;
  box-sizing: border-box;
}


/* Related-SEC multiselect on the Challenges SDGs form */
.sdg-related-sec__list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 0.5rem;
}

.sdg-related-sec__option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0;
}

.sdg-related-sec__option--stale {
  opacity: 0.85;
}

.sdg-related-sec__stale {
  color: var(--pico-del-color, #b00020);
  font-size: 0.85em;
}