:root {
  color-scheme: dark;
  --ink: #f1f4ec;
  --muted: #8d948d;
  --line: rgba(241, 244, 236, 0.16);
  --signal: #b8ff5b;
  --surface: #0b0e0d;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: #050706; }

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 22%, rgba(94, 132, 71, 0.16), transparent 30rem),
    linear-gradient(135deg, #050706, var(--surface));
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.14;
  background-image: repeating-radial-gradient(circle at 20% 30%, rgba(255,255,255,0.2) 0 1px, transparent 1px 5px);
}

.site-header, footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem clamp(1.25rem, 5vw, 5rem);
  border-bottom: 1px solid var(--line);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
}

.brand { color: var(--ink); text-decoration: none; font-weight: 700; }
.brand-mark, .status-dot { display: inline-block; width: 0.55rem; height: 0.55rem; margin-right: 0.65rem; background: var(--signal); }
.status { color: var(--muted); }
.status-dot { border-radius: 50%; box-shadow: 0 0 1rem var(--signal); }
.site-nav { display: flex; align-items: center; gap: 1.5rem; }
.site-nav a, .text-link { color: var(--muted); text-decoration: none; }
.site-nav a:hover, .site-nav a:focus-visible, .text-link:hover, .text-link:focus-visible { color: var(--signal); }

main { display: grid; place-items: center; padding: 4rem 1.25rem; }
.hero { width: min(58rem, 100%); }
.eyebrow { margin: 0 0 1.3rem; color: var(--signal); font-size: 0.75rem; letter-spacing: 0.24em; }

h1 {
  max-width: 12ch;
  margin: 0;
  font: 700 clamp(3rem, 10vw, 7.5rem)/0.87 system-ui, sans-serif;
  letter-spacing: -0.07em;
  text-transform: uppercase;
}

h1 span { display: block; color: transparent; -webkit-text-stroke: 1px var(--ink); }
.intro { max-width: 43rem; margin: 2rem 0; color: #b7bdb6; font: 400 clamp(1rem, 2vw, 1.2rem)/1.8 system-ui, sans-serif; }
.rule { height: 1px; margin: 2.7rem 0; background: var(--line); }
.rule span { display: block; width: 22%; height: 1px; background: var(--signal); }
.access-note { display: flex; gap: 1.2rem; align-items: flex-start; color: var(--muted); line-height: 1.7; }
.access-note p { margin: 0; }
.access-note strong { display: block; color: var(--ink); }
.access-icon { color: var(--signal); font-size: 1.8rem; }

.private-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  margin: 3rem 0 2rem;
  padding: 1.6rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.025);
}

.lock, .card-label { color: var(--signal); }
.card-label { margin: 0 0 0.45rem; font-size: 0.7rem; letter-spacing: 0.2em; }
.private-card h2 { margin: 0; font: 600 1.5rem system-ui, sans-serif; }
.private-card p:last-child { margin-bottom: 0; color: var(--muted); line-height: 1.6; }
.private-card-body { min-width: 0; }
.content-body { white-space: pre-wrap; overflow-wrap: anywhere; }
.image-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(16rem, 100%), 1fr)); gap: 0.8rem; margin-top: 1.5rem; }
.image-grid img { display: block; width: 100%; max-height: 38rem; object-fit: contain; border: 1px solid var(--line); background: #050706; }
.markdown-body { margin-top: 1rem; color: #c1c7c0; font: 400 1rem/1.75 system-ui, sans-serif; overflow-wrap: anywhere; }
.markdown-body > :first-child { margin-top: 0; }
.markdown-body > :last-child { margin-bottom: 0; }
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4, .markdown-body h5, .markdown-body h6 {
  max-width: none;
  margin: 1.7em 0 0.65em;
  color: var(--ink);
  font-family: system-ui, sans-serif;
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: -0.025em;
  text-transform: none;
}
.markdown-body h1 { font-size: 2rem; }
.markdown-body h2 { font-size: 1.65rem; }
.markdown-body h3 { font-size: 1.35rem; }
.markdown-body h1 span { display: inline; color: inherit; -webkit-text-stroke: 0; }
.markdown-body a { color: var(--signal); text-underline-offset: 0.2em; }
.markdown-body blockquote { margin: 1.5rem 0; padding: 0.2rem 1rem; border-left: 3px solid var(--signal); color: var(--muted); }
.markdown-body code, .markdown-help code, .image-choice code { padding: 0.15em 0.35em; color: var(--signal); background: rgba(184,255,91,0.08); font-family: ui-monospace, monospace; }
.markdown-body pre { overflow-x: auto; padding: 1rem; border: 1px solid var(--line); background: #050706; }
.markdown-body pre code { padding: 0; color: var(--ink); background: transparent; }
.markdown-body img { display: block; max-width: 100%; max-height: 42rem; margin: 1.5rem 0; object-fit: contain; border: 1px solid var(--line); background: #050706; }
.markdown-body hr { border: 0; border-top: 1px solid var(--line); }
.markdown-body li + li { margin-top: 0.35rem; }
.markdown-body .table-scroll { max-width: 100%; margin: 1.5rem 0; overflow-x: auto; border: 1px solid var(--line); }
.markdown-body .table-scroll:focus-visible { outline: 1px solid var(--signal); outline-offset: 2px; }
.markdown-body table {
  display: table;
  width: max-content;
  min-width: 100%;
  margin: 0;
  border-collapse: collapse;
}
.markdown-body th, .markdown-body td { min-width: 8rem; padding: 0.7rem 0.85rem; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.markdown-body th { color: var(--ink); background: rgba(184,255,91,0.09); font-weight: 650; }
.markdown-body tbody tr:nth-child(even) { background: rgba(255,255,255,0.025); }
.markdown-body .table-align-left { text-align: left; }
.markdown-body .table-align-center { text-align: center; }
.markdown-body .table-align-right { text-align: right; }

.panel { width: min(64rem, 100%); }
.panel.narrow { width: min(38rem, 100%); }
.panel-title { max-width: 11ch; font-size: clamp(2.8rem, 8vw, 6rem); }
.panel-heading, .section-heading, .section-actions, .form-actions { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.manager-section { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.manager-section.compact { margin-top: 2rem; }
.section-heading h2, .manager-section h2 { margin: 0; font: 600 1.5rem system-ui, sans-serif; }
.record-list { margin-top: 1rem; border-top: 1px solid var(--line); }
.record-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.1rem 0.8rem; border-bottom: 1px solid var(--line); color: var(--muted); text-decoration: none; }
.record-row:hover, .record-row:focus-visible { background: rgba(184,255,91,0.05); color: var(--signal); outline: none; }
.record-row strong, .record-row small { display: block; }
.record-row strong { color: var(--ink); margin-bottom: 0.35rem; }
.record-row small, .muted-copy { color: var(--muted); line-height: 1.5; }

.editor-form { display: grid; gap: 0.8rem; margin-top: 2rem; }
.editor-form label, fieldset legend, .secret-output label { color: var(--ink); font-size: 0.8rem; letter-spacing: 0.08em; }
.editor-form label small { color: var(--muted); letter-spacing: 0; }
input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0.9rem;
  color: var(--ink);
  background: rgba(255,255,255,0.035);
  font: inherit;
}
textarea { resize: vertical; line-height: 1.6; }
input:focus, textarea:focus { border-color: var(--signal); outline: 1px solid var(--signal); }
input[type="checkbox"] { width: auto; accent-color: var(--signal); }
input[type="file"] { padding: 0.7rem; }
fieldset { margin: 1rem 0; padding: 1rem; border: 1px solid var(--line); }
.check-list { display: grid; gap: 0.75rem; }
.check-list label { display: flex; align-items: flex-start; gap: 0.75rem; padding: 0.7rem; border-bottom: 1px solid var(--line); cursor: pointer; }
.check-list label span, .check-list label strong, .check-list label small { display: block; }
.check-list label small { margin-top: 0.3rem; }
.embed-panel { margin-top: 1.5rem; }
.inline-image-tools { display: grid; grid-template-columns: minmax(12rem, 1fr) minmax(12rem, 1fr) auto; gap: 0.8rem; align-items: end; margin: 1rem 0; }
.inline-image-tools label { display: grid; gap: 0.45rem; }
.inline-image-tools button { min-height: 3.1rem; }
.upload-status { min-height: 1.5em; margin: 0.5rem 0 1rem; color: var(--signal); font-size: 0.8rem; }
.upload-status.is-error { color: #ff9b9b; }
.image-manager { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 1rem; }
.image-choice { display: grid; align-content: start; gap: 0.6rem; padding: 0.7rem; border: 1px solid var(--line); }
.image-choice img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border: 1px solid var(--line); }
.image-choice code { overflow-wrap: anywhere; font-size: 0.68rem; }
.image-choice label { cursor: pointer; letter-spacing: 0; }
.image-choice .insert-image { padding: 0.65rem; font-size: 0.75rem; }
.attachment-panel { margin-top: 1.5rem; }
.attachment-panel > input[type="file"] { margin-top: 0.5rem; }
.attachment-list { margin-top: 1rem; border-top: 1px solid var(--line); }
.attachment-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
}
.attachment-row span, .attachment-row small { display: block; }
.attachment-row a, .private-downloads a { color: var(--signal); overflow-wrap: anywhere; }
.attachment-row small, .private-downloads small { margin-top: 0.3rem; color: var(--muted); }
.attachment-row label { width: auto; cursor: pointer; letter-spacing: 0; white-space: nowrap; }
.private-downloads { margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.private-downloads h3 { margin: 0; color: var(--ink); font: 600 1rem system-ui, sans-serif; }
.private-downloads ul { display: grid; gap: 0.65rem; margin: 0.8rem 0 0; padding: 0; list-style: none; }
.private-downloads li { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
button:disabled { cursor: wait; opacity: 0.55; }
.markdown-editor { border: 1px solid var(--line); background: rgba(255,255,255,0.018); }
.editor-mode-toggle { display: flex; border-bottom: 1px solid var(--line); }
.editor-mode-toggle button { min-width: 7rem; padding: 0.7rem 1rem; border: 0; border-right: 1px solid var(--line); color: var(--muted); }
.editor-mode-toggle button[aria-pressed="true"] { color: #050706; background: var(--signal); }
#write-pane textarea { min-height: 22rem; border: 0; background: transparent; }
#write-pane textarea:focus { outline-offset: -2px; }
.markdown-editor .markdown-help { border-width: 1px 0 0; }
.markdown-help { display: flex; flex-wrap: wrap; gap: 0.55rem; padding: 0.8rem; border: 1px solid var(--line); color: var(--muted); }
.markdown-help span { white-space: nowrap; }
.markdown-preview { margin-top: 3rem; padding: 1.25rem; border: 1px solid var(--line); background: rgba(255,255,255,0.02); }
.markdown-preview h2 { margin: 0; font: 600 1.5rem system-ui, sans-serif; }
.markdown-preview.live-preview { min-height: 25rem; margin: 0; border: 0; background: transparent; }
.preview-status { min-height: 1.5em; margin: 0 0 0.75rem; color: var(--muted); font-size: 0.8rem; }
[hidden] { display: none !important; }
.form-actions { justify-content: flex-start; margin-top: 1rem; }
.form-error { padding: 1rem; border-left: 3px solid #ff6464; color: #ffb0b0; background: rgba(255,70,70,0.08); }
.assignment-note { max-width: 48rem; margin: 1.5rem 0 0; color: var(--muted); line-height: 1.6; }
.assignment-note a { color: var(--signal); }
.form-error.assignment-note { color: #ffb0b0; }
.danger-zone { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding: 1rem; border: 1px solid rgba(255,100,100,0.35); }
.danger-zone p { margin: 0; color: var(--muted); line-height: 1.5; }
.danger-button { border-color: #ff6464; color: #ff8b8b; }
.danger-button:hover, .danger-button:focus-visible { background: #ff6464; color: #090504; }
.quiet-button { border-color: var(--line); color: var(--muted); }
.secret-output { margin: 2rem 0; padding: 1rem; border: 1px solid var(--signal); background: rgba(184,255,91,0.04); }
.secret-output textarea { margin-top: 0.6rem; }
.secret-output code { overflow-wrap: anywhere; color: var(--signal); }
.vault-list { display: grid; gap: 1rem; margin: 2rem 0; }
.vault-record { padding: 1rem; border: 1px solid var(--line); background: rgba(255,255,255,0.025); }
.vault-record h2 { margin: 0 0 0.4rem; font: 600 1.35rem system-ui, sans-serif; }
.vault-record label { display: block; margin-top: 1rem; color: var(--ink); font-size: 0.8rem; letter-spacing: 0.08em; }
.vault-record input, .vault-record textarea { margin-top: 0.45rem; font-family: ui-monospace, monospace; }
.empty-state { color: var(--muted); line-height: 1.6; }

button, .button-link {
  display: inline-block;
  padding: 0.9rem 1.15rem;
  border: 1px solid var(--signal);
  color: var(--signal);
  background: transparent;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

button:hover, button:focus-visible, .button-link:hover, .button-link:focus-visible { color: #050706; background: var(--signal); outline: none; }
.error h1 { max-width: 10ch; }

footer {
  gap: 1rem;
  border-top: 1px solid var(--line);
  border-bottom: 0;
  color: #636963;
}

@media (max-width: 38rem) {
  .status { display: none; }
  footer { flex-direction: column; align-items: flex-start; }
  .panel-heading, .section-heading, .record-row, .danger-zone, .attachment-row, .private-downloads li { align-items: flex-start; flex-direction: column; }
  .inline-image-tools { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: no-preference) {
  .status-dot { animation: pulse 2.4s ease-in-out infinite; }
  @keyframes pulse { 50% { opacity: 0.35; box-shadow: 0 0 0.2rem var(--signal); } }
}