/* Compact GitHub-dark presentation for the static Web UI; no client behavior changes. */

:root {
  color-scheme: dark;
  --canvas: #0d1117;
  --surface: #161b22;
  --surface-raised: #21262d;
  --surface-hover: #30363d;
  --border: #30363d;
  --border-muted: #21262d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --link: #58a6ff;
  --accent: #238636;
  --accent-hover: #2ea043;
  --accent-text: #ffffff;
  --focus: #58a6ff;
  --user-message: #1f6feb;
  --assistant-message: #21262d;
  --danger: #f85149;
}

* { box-sizing: border-box; }

body {
  min-width: 20rem;
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.5;
}

button,
textarea,
input { font: inherit; }

button {
  min-height: 2rem;
  padding: 0.25rem 0.75rem;
  border: 1px solid rgba(240, 246, 252, 0.1);
  border-radius: 0.375rem;
  background: var(--surface-raised);
  color: var(--text);
  cursor: pointer;
  font-weight: 500;
}

button:hover:not(:disabled) { background: var(--surface-hover); }
button:disabled { cursor: not-allowed; opacity: 0.55; }
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.page {
  width: min(100% - 2rem, 72rem);
  min-height: 100vh;
  margin: 0 auto;
  padding: 1.5rem 0 2rem;
}

.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 0.25rem 1rem;
  border-bottom: 1px solid var(--border);
}

.site-header h1 {
  margin: 0;
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.repo-link {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.8125rem;
  text-decoration: none;
}

.repo-link:hover,
.repo-link:focus-visible {
  color: #58a6ff;
  text-decoration: underline;
}

#orchestration-status,
.session-header,
#picker-status,
#status {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

#orchestration-status[data-status="reachable"] { color: #3fb950; }
#orchestration-status[data-status="error"] { color: var(--danger); }

.view {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--surface);
  box-shadow: 0 1rem 2.5rem rgba(1, 4, 9, 0.18);
}

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

.picker-header h2 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

#confirm-story {
  margin-left: auto;
  border-color: rgba(240, 246, 252, 0.1);
  background: var(--accent);
  color: var(--accent-text);
}

#confirm-story:hover:not(:disabled) { background: var(--accent-hover); }
#picker-status { flex-basis: 100%; }

.open-sessions,
.past-sessions,
.story-picker {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-muted);
}

.story-picker {
  padding: 0.75rem;
  border: 1px solid rgba(56, 139, 253, 0.4);
  border-radius: 0.375rem;
  background: rgba(56, 139, 253, 0.08);
}

#story-summary {
  color: var(--link);
  font-size: 0.9375rem;
}

summary {
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
}

.open-sessions-list,
.past-sessions-list,
.story-list,
.messages {
  margin: 0.625rem 0 0;
  padding: 0;
  list-style: none;
}

.open-session-row,
.past-session-row {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-muted);
}

.open-session-row > span,
.past-session-row > span { flex: 1; min-width: 0; }
.open-session-row button,
.past-session-row button { min-height: 1.75rem; padding: 0.125rem 0.5rem; }

#story-filter,
.composer textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  background: var(--canvas);
  color: var(--text);
  padding: 0.5rem 0.625rem;
}

#story-filter { margin: 0.75rem 0 0.5rem; }
#story-filter::placeholder,
.composer textarea::placeholder { color: var(--text-muted); opacity: 1; }

.story-list {
  overflow-y: auto;
  max-height: 19rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  background: var(--canvas);
}

.story-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  padding: 0.125rem 0.375rem;
}

.story-row input { flex: 0 0 auto; accent-color: var(--link); }
.story-row label {
  min-width: 0;
  flex: 1;
  cursor: pointer;
  overflow: hidden;
  padding: 0.25rem 0.375rem;
  border-radius: 0.25rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.story-row label:hover,
.story-row input:checked + label { background: rgba(56, 139, 253, 0.15); color: var(--link); }
.story-empty { padding: 0.75rem; color: var(--text-muted); font-size: 0.8125rem; }

.story-preview {
  min-height: 10rem;
  max-height: 50vh;
  margin-top: 1rem;
  overflow-y: auto;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  background: var(--canvas);
}

.story-preview h3 { margin: 0 0 0.5rem; font-size: 1.0625rem; }
.story-preview p { margin: 0 0 0.75rem; }
.story-preview p:last-child { margin-bottom: 0; }

.session-header { padding-bottom: 0.75rem; border-bottom: 1px solid var(--border-muted); }
.messages { max-height: 55vh; overflow-y: auto; padding-right: 0.25rem; }
.messages li { margin: 0.75rem 0; padding: 0.625rem 0.75rem; border-radius: 0.375rem; }
.message-user { max-width: 78%; margin-left: auto !important; background: var(--user-message); color: #fff; }
.message-assistant { max-width: 88%; margin-right: auto; background: var(--assistant-message); border: 1px solid var(--border); }
.message-meta { padding: 0.375rem 0.625rem !important; color: var(--text-muted); background: var(--canvas); font-size: 0.75rem; }
.message-progress { border: 1px solid var(--border); background: var(--surface-raised); color: var(--text-muted); }

.composer { display: flex; gap: 0.625rem; margin-top: 1rem; }
.composer textarea { min-height: 4.5rem; resize: vertical; }
.composer button { align-self: flex-end; }

#session-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }
#accept-turn,
#send-turn { border-color: rgba(63, 185, 80, 0.4); background: var(--accent); color: var(--accent-text); }
#accept-turn:hover:not(:disabled),
#send-turn:hover:not(:disabled) { background: var(--accent-hover); }
.report-links { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }
.report-links a { color: var(--link); }
#status { min-height: 1.25rem; margin-top: 0.75rem; }

.site-footer {
  margin-top: 1.5rem;
  padding: 1rem 0.25rem 0;
  border-top: 1px solid var(--border-muted);
  color: var(--text-muted);
  font-size: 0.75rem;
  text-align: center;
}

.site-footer a { color: var(--link); }

@media (max-width: 36rem) {
  .page { width: min(100% - 1rem, 72rem); padding-top: 1rem; }
  .view { padding: 1rem; }
  /* Floating confirm button: the story list sits below the fold on phones,
     so keep the primary action reachable at the bottom of the viewport
     while scrolling. `hidden` on #picker-view (display: none) also hides
     this fixed-position descendant outside the picker. */
  #confirm-story {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 10;
    margin-left: 0;
    padding: 0.5rem 1rem;
    box-shadow: 0 0.375rem 1rem rgba(1, 4, 9, 0.5);
  }
  #picker-view { padding-bottom: 4.5rem; }
  .site-header { align-items: flex-start; flex-direction: column; gap: 0.25rem; }
  .composer { flex-direction: column; }
  .composer button { align-self: stretch; }
  .message-user,
  .message-assistant { max-width: 100%; }
}