/* tmuxdesk — operational surface with graduated reveal */

:root {
  --void: #06060c;
  --deep: #0c0c18;
  --surface: #111122;
  --glass: rgba(16, 16, 36, 0.72);
  --glass-border: rgba(80, 80, 140, 0.18);
  --glass-glow: rgba(60, 80, 160, 0.06);
  --text: #c8c8d8;
  --text-dim: #707088;
  --text-bright: #e8e8f0;
  --accent: #5588cc;
  --accent-warm: #cc8844;
  --accent-cool: #44aaaa;
  --accent-green: #44aa88;
  --sigil: #8888cc;
  --sigil-glow: rgba(136, 136, 204, 0.3);
  --link: #7799cc;
  --serif: 'EB Garamond', 'Georgia', serif;
  --mono: 'JetBrains Mono', 'Consolas', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
  font-family: var(--mono);
  color: var(--text);
  background: var(--void);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === App Shell === */
.app-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem 4rem;
}

/* === Scroll Progress === */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; z-index: 100;
  background: linear-gradient(90deg, var(--sigil), var(--accent-cool));
  transition: width 0.1s linear;
}

/* === Breadcrumbs === */
.breadcrumbs {
  padding: 0.8rem 0;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.73rem;
  color: var(--text-dim);
}
.crumb {
  cursor: pointer;
  transition: color 0.2s;
}
.crumb:hover { color: var(--text-bright); }
.crumb.active { color: var(--text); cursor: default; }
.crumb-sep { color: rgba(112,112,136,0.4); margin: 0 0.3em; }

/* === Fleet Header === */
.fleet-header {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 1.5rem;
}
.fleet-title {
  font-size: 1.6rem; font-weight: 400;
  color: var(--text-bright); letter-spacing: 0.04em;
}
.title-sigil { color: var(--sigil); }
.fleet-subtitle {
  font-size: 0.65rem; color: var(--text-dim);
  letter-spacing: 0.15em; text-transform: uppercase; margin-top: 0.3rem;
}
.fleet-provenance {
  font-size: 0.6rem; color: rgba(112,112,136,0.5);
  margin-top: 0.5rem;
}
.fleet-error {
  margin-top: 1rem; padding: 0.6rem 1rem;
  background: rgba(180,60,60,0.1); border: 1px solid rgba(180,60,60,0.3);
  border-radius: 4px; font-size: 0.72rem; color: #cc6644;
}

/* === Fleet Grid === */
.fleet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* === Node Panel (card) === */
.node-panel {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  padding: 1rem 1.2rem;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}
.node-panel:hover {
  border-color: var(--sigil);
  box-shadow: 0 0 20px var(--glass-glow);
  transform: translateY(-1px);
}
.node-panel-header {
  display: flex; align-items: center; gap: 0.8rem;
  margin-bottom: 0.6rem;
}
.node-panel-sigil { font-size: 1.8rem; line-height: 1; }
.node-panel-name {
  font-size: 0.85rem; font-weight: 600; color: var(--text-bright);
}
.node-panel-meta {
  font-size: 0.62rem; color: var(--text-dim); margin-top: 0.15rem;
}
.node-panel-conf {
  position: absolute; top: 0.8rem; right: 1rem;
  font-size: 0.55rem; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.15rem 0.4rem; border-radius: 3px;
  background: rgba(0,0,0,0.3);
}
.conf-fresh { color: var(--accent-green); }
.conf-aging { color: var(--accent-warm); }
.conf-stale { color: var(--text-dim); }
.conf-gone { color: rgba(112,112,136,0.4); }
.conf-unknown { color: rgba(112,112,136,0.3); }

/* Session preview in node panel */
.node-panel-sessions { margin-top: 0.5rem; }
.session-mini {
  display: flex; gap: 0.4rem; align-items: center;
  font-size: 0.62rem; padding: 0.15rem 0;
  color: var(--text-dim);
}
.mini-dot { font-size: 0.5rem; }
.mini-name { color: var(--text); max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-cmd { color: var(--text-dim); font-style: italic; }
.node-panel-more {
  font-size: 0.58rem; color: var(--link); margin-top: 0.4rem;
}

/* === Fleet Actions === */
.fleet-actions {
  display: flex; gap: 0.5rem; margin-top: 1rem;
}
.action-btn {
  font-family: var(--mono); font-size: 0.65rem;
  padding: 0.4rem 0.8rem; border-radius: 4px;
  background: rgba(6,6,12,0.5); border: 1px solid var(--glass-border);
  color: var(--text-dim); cursor: pointer; transition: all 0.2s;
}
.action-btn:hover {
  border-color: var(--sigil); color: var(--text-bright);
}

/* === Node Detail View === */
.node-detail { }
.node-detail-header {
  display: flex; align-items: center; gap: 1.2rem;
  padding: 1.5rem 0; border-bottom: 1px solid var(--glass-border);
  margin-bottom: 1rem;
}
.node-detail-sigil { font-size: 3rem; line-height: 1; }
.node-detail-name {
  font-size: 1.4rem; font-weight: 400; color: var(--text-bright);
}
.node-detail-meta {
  font-size: 0.65rem; color: var(--text-dim); margin-top: 0.3rem;
}

/* Search */
.node-search { margin-bottom: 1rem; }
.search-input {
  width: 100%; padding: 0.5rem 0.8rem;
  font-family: var(--mono); font-size: 0.72rem;
  background: rgba(6,6,12,0.5); border: 1px solid var(--glass-border);
  border-radius: 4px; color: var(--text); outline: none;
  transition: border-color 0.2s;
}
.search-input:focus { border-color: var(--sigil); }
.search-input::placeholder { color: var(--text-dim); }

/* Session list */
.session-list { }
.session-row {
  display: grid;
  grid-template-columns: 1.2rem 1fr 80px 50px 50px 30px;
  gap: 0.4rem; align-items: center;
  padding: 0.4rem 0.6rem; border-radius: 3px;
  font-size: 0.68rem; transition: background 0.15s;
}
.session-row:hover { background: rgba(80,80,140,0.06); }
.session-row.attached { background: rgba(68,170,136,0.04); }
.session-row.attached .session-name { color: var(--text-bright); }
.session-dot { color: var(--accent-green); font-size: 0.6rem; }
.session-row:not(.attached) .session-dot { color: var(--text-dim); }
.session-name {
  color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.session-cmd { color: var(--text-dim); font-style: italic; font-size: 0.6rem; }
.session-age { color: var(--accent-warm); text-align: right; font-size: 0.6rem; }
.session-activity { color: var(--text-dim); font-size: 0.55rem; }
.session-wins { color: var(--text-dim); font-size: 0.55rem; text-align: right; }
.empty-state { color: var(--text-dim); font-style: italic; padding: 2rem; text-align: center; }

/* Contextual hint (graduated reveal) */
.contextual-hint {
  margin-top: 2rem; padding: 0.8rem 1rem;
  background: rgba(6,6,12,0.3); border: 1px solid var(--glass-border);
  border-radius: 4px; cursor: pointer; transition: all 0.2s;
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.7rem;
}
.contextual-hint:hover {
  border-color: var(--sigil); background: var(--glass);
}
.hint-sigil { font-size: 1.1rem; color: var(--sigil); }
.hint-text { color: var(--link); }

/* === Codex View === */
.codex-view { }
.codex-header {
  padding: 2rem 0 1.5rem; text-align: center;
  border-bottom: 1px solid var(--glass-border); margin-bottom: 1.5rem;
}
.codex-title {
  font-family: var(--serif); font-size: 2rem; font-weight: 400;
  color: var(--text-bright);
}
.codex-subtitle {
  font-size: 0.65rem; color: var(--text-dim);
  letter-spacing: 0.15em; text-transform: uppercase; margin-top: 0.3rem;
}

/* Essay list */
.essay-list { }
.essay-list-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.2rem; margin-bottom: 0.4rem;
  background: rgba(6,6,12,0.3); border: 1px solid transparent;
  border-radius: 4px; cursor: pointer; transition: all 0.2s;
}
.essay-list-item:hover {
  background: var(--glass); border-color: var(--glass-border);
}
.essay-list-sigil { font-size: 1.4rem; color: var(--sigil); width: 2rem; text-align: center; }
.essay-list-title { font-family: var(--serif); font-size: 1rem; color: var(--text-bright); }
.essay-list-subtitle { font-family: var(--serif); font-size: 0.8rem; color: var(--text-dim); font-style: italic; }

/* Essay article */
.essay-article {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: 6px; padding: 2.5rem 3rem;
  backdrop-filter: blur(12px);
}
.essay-article-header {
  display: flex; align-items: baseline; gap: 1rem;
  margin-bottom: 1.5rem; padding-bottom: 1rem;
  border-bottom: 1px solid var(--glass-border);
}
.essay-article-sigil { font-size: 2rem; color: var(--sigil); }
.essay-article-title {
  font-family: var(--serif); font-size: 1.5rem; font-weight: 600; color: var(--text-bright);
}
.essay-article-subtitle {
  font-family: var(--serif); font-size: 0.85rem; color: var(--text-dim);
  font-style: italic; margin-top: 0.2rem;
}
.essay-body { font-family: var(--serif); font-size: 1rem; line-height: 1.8; }
.essay-body p { margin-bottom: 1.1rem; color: var(--text); }
.essay-body em { color: var(--text-bright); }
.essay-body strong { color: var(--text-bright); font-weight: 600; }
.essay-body ol { padding-left: 1.5rem; margin: 1rem 0; }
.essay-body li { margin-bottom: 0.5rem; }
.essay-nav { display: flex; justify-content: space-between; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--glass-border); }

/* Inline elements */
code {
  font-family: var(--mono); font-size: 0.78em;
  background: rgba(6,6,12,0.5); padding: 0.12em 0.35em;
  border-radius: 3px; color: var(--accent-cool);
}
kbd {
  font-family: var(--mono); font-size: 0.75em;
  background: rgba(6,6,12,0.6); border: 1px solid var(--glass-border);
  border-radius: 3px; padding: 0.12em 0.4em; color: var(--accent);
}
.sigil-link {
  color: var(--link); cursor: pointer;
  border-bottom: 1px solid rgba(119,153,204,0.3);
  transition: all 0.2s; padding: 0 0.1em;
}
.sigil-link:hover { color: var(--text-bright); border-bottom-color: var(--text-bright); }

/* === Responsive === */
@media (max-width: 680px) {
  html { font-size: 14px; }
  .app-shell { padding: 0.8rem 1rem 3rem; }
  .fleet-grid { grid-template-columns: 1fr; }
  .essay-article { padding: 1.5rem 1.2rem; }
  .session-row { grid-template-columns: 1rem 1fr 60px 40px; }
  .session-activity, .session-wins { display: none; }
}