:root {
  color-scheme: light dark;
  --bg: #f8f7f3;
  --panel: #ffffff;
  --text: #191714;
  --muted: #67615a;
  --line: #ddd8cf;
  --accent: #0d766e;
  --accent-ink: #ffffff;
  --mark: #b94226;
  --shadow: 0 1px 3px rgba(25, 23, 20, 0.08);
  --surface: #f1eee7;
  --green-bg: #e6f4de;
  --green-ink: #246b32;
  --yellow-bg: #fff3c4;
  --yellow-ink: #7a5a00;
  --blue-bg: #e3efff;
  --blue-ink: #245b9b;
  --purple-bg: #eee7ff;
  --purple-ink: #6042a6;
  --black-bg: #191714;
  --black-ink: #f8f7f3;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --panel: #211f1c;
    --text: #f4f0e8;
    --muted: #bbb3a8;
    --line: #39342e;
    --accent: #2bb3a6;
    --accent-ink: #071b19;
    --mark: #ff9b6f;
    --shadow: none;
    --surface: #1d1b18;
    --green-bg: #18351e;
    --green-ink: #9ad88f;
    --yellow-bg: #3c310f;
    --yellow-ink: #f2d36b;
    --blue-bg: #182b43;
    --blue-ink: #91c2ff;
    --purple-bg: #2b2143;
    --purple-ink: #c2a7ff;
    --black-bg: #f4f0e8;
    --black-ink: #171614;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
}

.site-header,
main,
footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  padding: 28px 0 16px;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.brand-icon {
  display: inline-block;
  flex: 0 0 auto;
  color: var(--mark);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.15rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 430px);
  gap: 32px;
  align-items: end;
  padding: 58px 0 34px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--mark);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.25rem, 6.4vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.intro > p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 1rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 18px;
  align-items: start;
}

.directory-panel,
.side-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.directory-panel {
  padding: 16px;
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}

.search {
  display: grid;
  gap: 8px;
}

.search span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

input {
  display: block;
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  padding: 8px 11px;
}

textarea,
select {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  padding: 8px 11px;
}

select {
  min-height: 42px;
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 17px) 18px,
    calc(100% - 12px) 18px;
  background-repeat: no-repeat;
  background-size: 5px 5px;
  cursor: pointer;
  padding-right: 36px;
}

select:hover {
  border-color: color-mix(in srgb, var(--text) 34%, var(--line));
}

textarea {
  min-height: 104px;
  resize: vertical;
  line-height: 1.5;
}

.join-form textarea {
  min-height: 132px;
  background: var(--bg);
}

.join-form select {
  background-color: var(--bg);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent);
  outline: 2px solid color-mix(in srgb, var(--accent) 22%, transparent);
  outline-offset: 1px;
}

::placeholder {
  color: color-mix(in srgb, var(--muted) 76%, transparent);
}

button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  padding: 5px 12px;
}

button:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

button:disabled,
button:disabled:hover {
  border-color: var(--line);
  background: var(--bg);
  color: var(--muted);
  cursor: not-allowed;
  opacity: 0.52;
}

.filter-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.filter-label {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-buttons button {
  min-height: 30px;
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 0.88rem;
}

.filter-buttons button[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

.summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 16px 0 14px;
  color: var(--muted);
}

.summary p {
  margin: 0;
}

.summary button {
  border-radius: 6px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 10px;
}

.project-card {
  position: relative;
  display: grid;
  gap: 9px;
  align-content: start;
  min-height: 150px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.card-actions {
  position: absolute;
  top: 10px;
  right: 10px;
}

.ai-button {
  min-height: 26px;
  border-radius: 6px;
  padding: 2px 7px;
  background: var(--surface);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 700;
}

.ai-button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.ai-button:disabled:hover {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.project-heading {
  display: grid;
  gap: 4px;
  padding-right: 70px;
}

.project-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.project-card h2 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.2;
}

.project-card h2 a {
  text-decoration-thickness: 0.08em;
}

.project-url {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.project-url:hover {
  color: var(--accent);
  text-decoration: underline;
}

.project-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.45;
}

.cert-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.cert-badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  line-height: 1;
  padding: 2px 6px;
}

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

.cert-level-vcc-a {
  border-color: var(--blue-ink);
  background: var(--blue-bg);
  color: var(--blue-ink);
}

.cert-level-vcc-v {
  border-color: var(--purple-ink);
  background: var(--purple-bg);
  color: var(--purple-ink);
}

.cert-level-vcc-z {
  border-color: var(--black-bg);
  background: var(--black-bg);
  color: var(--black-ink);
}

.cert-status-self-claimed {
  border-color: var(--green-ink);
  background: var(--green-bg);
  color: var(--green-ink);
}

.cert-status-discovered {
  border-color: var(--yellow-ink);
  background: var(--yellow-bg);
  color: var(--yellow-ink);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
}

.empty,
footer {
  color: var(--muted);
}

.empty {
  margin: 0;
  padding: 42px 16px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-align: center;
}

.side-panel {
  display: grid;
  gap: 16px;
  padding: 16px;
  position: sticky;
  top: 16px;
}

.badge-panel {
  display: grid;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.side-panel h2 {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.15;
}

.side-panel p:not(.eyebrow) {
  margin: 10px 0 0;
  color: var(--muted);
}

.badge-box {
  display: grid;
  gap: 12px;
  justify-items: start;
  width: 100%;
}

.cert-guide,
.status-guide {
  display: grid;
  gap: 10px;
}

.status-guide {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.cert-guide h2,
.status-guide h2 {
  margin: 0;
  font-size: 1.1rem;
}

.cert-guide dl,
.status-guide dl {
  display: grid;
  gap: 7px;
  margin: 0;
}

.cert-guide dl div,
.status-guide dl div {
  display: grid;
  gap: 2px;
}

.cert-guide dt,
.status-guide dt {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.84rem;
  font-weight: 800;
}

.cert-guide dd,
.status-guide dd,
.cert-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.38;
}

.badge-preview {
  min-height: 35px;
  display: flex;
  align-items: center;
}

.badge-preview img {
  display: block;
  image-rendering: pixelated;
}

.badge-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  width: 100%;
}

.badge-controls label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-controls input,
.badge-label {
  grid-column: 1 / -1;
}

pre {
  width: 100%;
  max-width: 100%;
  overflow: auto;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.4;
}

.prompt-dialog {
  width: min(680px, calc(100% - 28px));
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 18px 60px rgba(25, 23, 20, 0.22);
  padding: 0;
}

.prompt-dialog::backdrop {
  background: rgba(25, 23, 20, 0.44);
}

.prompt-dialog form {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 14px;
}

.prompt-dialog header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.prompt-dialog header button {
  min-height: 30px;
  border-radius: 6px;
  padding: 3px 10px;
}

.prompt-dialog button:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

.prompt-content {
  display: grid;
  gap: 12px;
  max-height: min(56vh, 420px);
  overflow: auto;
}

.ai-detail {
  display: grid;
  gap: 10px;
}

.ai-detail h3 {
  margin: 0;
  font-size: 1rem;
}

.ai-model {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}

.ai-model-name {
  margin: 0;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.86rem;
  font-weight: 700;
}

.prompt-row-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.copy-prompt {
  min-height: 26px;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.78rem;
  text-transform: none;
}

.ai-model pre {
  background: var(--panel);
  color: var(--text);
  white-space: pre-wrap;
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-link {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  padding: 2px 8px;
  text-decoration: none;
}

a.skill-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

footer {
  padding: 26px 0 28px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.compact-header {
  padding-bottom: 0;
}

.join-intro {
  display: grid;
  gap: 12px;
  max-width: 760px;
  padding: 48px 0 28px;
}

.join-intro h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
}

.join-intro p {
  margin: 0;
  color: var(--muted);
}

.join-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  gap: 18px;
  align-items: start;
}

.join-form,
.json-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.join-form {
  display: grid;
  gap: 0;
}

.form-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 12px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.form-section:last-child {
  border-bottom: 0;
}

.section-heading,
.field-wide,
.ai-tools,
.ai-tool-card,
.add-row {
  grid-column: 1 / -1;
}

.section-heading {
  display: grid;
  gap: 4px;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.form-section h2,
.json-panel h2 {
  margin: 0;
  font-size: 1.15rem;
}

.field {
  display: grid;
  gap: 6px;
  align-content: start;
  min-width: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.field span {
  display: inline-flex;
  align-items: center;
  justify-content: start;
  gap: 4px;
  min-height: 18px;
}

.field-label {
  display: flex;
  align-items: center;
  gap: 7px;
}

.field em {
  color: #c7352b;
  font-size: 1rem;
  font-style: normal;
  font-weight: 800;
  line-height: 1;
}

.form-note {
  align-self: end;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.info-button {
  display: inline-grid;
  width: 20px;
  min-width: 20px;
  height: 20px;
  min-height: 20px;
  place-items: center;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1;
  padding: 0;
}

.ai-tools {
  display: grid;
  gap: 12px;
}

.ai-tool-card,
.ai-model-card {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}

.ai-models,
.skill-list-editor {
  display: grid;
  gap: 10px;
}

.ai-model-card {
  background: var(--panel);
}

.nested-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.nested-head h3,
.nested-head h4 {
  margin: 0;
  font-size: 1rem;
}

.skill-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr) auto;
  gap: 8px;
  align-items: end;
}

.add-row,
.remove-row {
  border-radius: 6px;
}

.remove-row {
  min-height: 30px;
  padding: 3px 8px;
  color: var(--muted);
}

.level-dialog {
  width: min(560px, calc(100% - 28px));
}

.level-details {
  display: grid;
  gap: 12px;
}

.level-details section {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.level-details section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.level-details h3 {
  margin: 0;
  font-size: 0.98rem;
}

.level-details p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.json-panel {
  display: grid;
  gap: 12px;
  padding: 16px;
  position: sticky;
  top: 16px;
}

.submit-flow {
  display: grid;
  gap: 6px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}

.submit-flow h3 {
  margin: 0;
  font-size: 0.92rem;
}

.submit-flow ol {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.submit-flow li + li {
  margin-top: 4px;
}

.json-panel pre {
  max-height: min(62vh, 620px);
}

.join-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.join-actions button {
  border-radius: 6px;
}

@media (max-width: 720px) {
  .site-header,
  main,
  footer {
    width: min(100% - 24px, 1120px);
  }

  .intro {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 42px 0 28px;
  }

  .workspace,
  .join-layout,
  .toolbar,
  .form-section,
  .filter-row,
  .side-panel,
  .badge-controls,
  .summary {
    grid-template-columns: 1fr;
  }

  .side-panel {
    position: static;
  }

  .summary {
    align-items: stretch;
    flex-direction: column;
  }
}