:root {
  --bg: #0a0a0a;
  --panel: #111110;
  --panel-2: #151514;
  --line: #232320;
  --line-2: #2e2e28;
  --accent: #e0a96d;
  --accent-dim: rgba(224,169,109,0.15);
  --accent-mid: rgba(224,169,109,0.4);
  --text: #c8c0a8;
  --text-bright: #ece4cc;
  --muted: #6a6650;
  --muted-2: #45433a;
  --danger: #c0563f;
  --font: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
button, input, textarea, select { font-family: inherit; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 0; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- HEADER ---------- */
.app-header {
  position: sticky; top: 0; z-index: 30;
  height: 44px;
  display: flex; align-items: center; gap: 14px;
  padding: 0 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.drawer-toggle {
  background: none; border: none; color: var(--text);
  font-size: 20px; cursor: pointer; line-height: 1; padding: 4px;
}
.drawer-toggle:hover { color: var(--accent); }
.brand { font-weight: 800; letter-spacing: 0.18em; color: var(--accent); }
.header-spacer { flex: 1; }
.header-meta { color: var(--muted); font-size: 11px; letter-spacing: 0.1em; }

/* ---------- SIDE NAV (persistent on desktop) ---------- */
.drawer {
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 50;
  width: 240px;
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  padding: 14px 0;
  overflow-y: auto;
}
.drawer.open { transform: translateX(0); }
/* persistent sidebar pushes header + content to the right */
.app-header { margin-left: 240px; }
.drawer-toggle { display: none; }
.drawer-head { padding: 8px 18px 14px; color: var(--muted); font-size: 11px; letter-spacing: 0.2em; }
.project-switch { display: flex; gap: 6px; padding: 0 14px 8px; }
.project-switch select {
  flex: 1; min-width: 0; background: var(--panel-2); color: var(--text-bright);
  border: 1px solid var(--line-2); padding: 7px 8px; font-family: inherit; font-size: 12px;
}
.project-switch select:focus { outline: none; border-color: var(--accent-mid); }
.project-actions { display: flex; gap: 6px; padding: 0 14px 12px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.project-actions .ghost-btn { flex: 1; padding: 6px; }
.drawer-link {
  display: block; padding: 11px 18px;
  color: var(--text); text-decoration: none;
  font-size: 13px; letter-spacing: 0.1em;
  border-left: 2px solid transparent;
}
.drawer-link:hover { background: var(--panel-2); color: var(--text-bright); }
.drawer-link.active { border-left-color: var(--accent); color: var(--accent); background: var(--panel-2); }
.drawer-foot { margin-top: auto; padding: 14px 14px 4px; display: flex; flex-direction: column; gap: 8px; }
.ghost-btn {
  background: none; border: 1px solid var(--line-2); color: var(--muted);
  padding: 8px; font-size: 11px; letter-spacing: 0.12em; cursor: pointer;
}
.ghost-btn:hover { border-color: var(--accent-mid); color: var(--accent); }
.ghost-btn.signout { margin-top: 4px; border-color: transparent; color: var(--muted-2); }
.ghost-btn.signout:hover { border-color: var(--accent-mid); color: var(--accent); }
.drawer-user {
  color: var(--muted); font-size: 11px; letter-spacing: 0.08em;
  padding: 0 2px 6px; word-break: break-all; white-space: pre-line;
}
.drawer-overlay {
  position: fixed; inset: 0; z-index: 40;
  background: rgba(0,0,0,0.55); opacity: 0; pointer-events: none;
  transition: opacity 0.18s;
}
.drawer-overlay.show { opacity: 1; pointer-events: auto; }

/* ---------- MAIN / VIEWS ---------- */
.app-main { padding: 24px clamp(16px, 4vw, 48px) 80px; max-width: 1400px; margin: 0 0 0 240px; }
.view-head h1 { margin: 0; font-size: 18px; letter-spacing: 0.16em; color: var(--text-bright); }
.view-head .sub { margin: 6px 0 22px; color: var(--muted); font-size: 12px; }

/* ---------- SECTIONS / CHARACTERS shared two-pane ---------- */
.sections-layout { display: grid; grid-template-columns: 240px 1fr; gap: 20px; align-items: start; }
.chapter-rail { background: var(--panel); border: 1px solid var(--line); }
.rail-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px; border-bottom: 1px solid var(--line);
  font-size: 11px; letter-spacing: 0.16em; color: var(--muted);
}
.add-btn {
  background: none; border: 1px solid var(--line-2); color: var(--text);
  padding: 5px 9px; font-size: 11px; letter-spacing: 0.1em; cursor: pointer;
}
.add-btn:hover { border-color: var(--accent); color: var(--accent); }
.add-btn.solid { background: var(--accent); color: #0a0a08; border-color: var(--accent); font-weight: 700; }
.add-btn.solid:hover { background: var(--text-bright); border-color: var(--text-bright); }
.chapter-list { display: flex; flex-direction: column; }
.chapter-item {
  padding: 11px 14px; cursor: pointer; border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
}
.chapter-item:hover { background: var(--panel-2); }
.chapter-item.active { background: var(--panel-2); border-left: 2px solid var(--accent); }
.chapter-item .ci-title { flex: 1; font-size: 13px; color: var(--text-bright); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chapter-item .ci-count { font-size: 10px; color: var(--muted); }
.chapter-item .ci-dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; box-shadow: 0 0 6px rgba(0,0,0,0.4); }
.chap-color {
  width: 30px; height: 30px; padding: 0; border: 1px solid var(--line-2);
  background: var(--panel-2); cursor: pointer; flex: 0 0 auto;
}
.chap-color::-webkit-color-swatch-wrapper { padding: 3px; }
.chap-color::-webkit-color-swatch { border: none; }

/* ---------- CHUNK PANE ---------- */
.chunk-pane, .char-pane { display: flex; flex-direction: column; gap: 16px; min-height: 200px; }
.pane-empty { color: var(--muted); padding: 40px; text-align: center; border: 1px dashed var(--line-2); }
.chunk-card { background: var(--panel); border: 1px solid var(--line); padding: 14px; }
.chunk-card.collapsed { padding: 0; }
.chunk-display { display: flex; align-items: center; gap: 12px; padding: 11px 14px; cursor: pointer; }
.chunk-display:hover { background: var(--panel-2); }
.chunk-disp-title { flex: 1; font-size: 13px; color: var(--text-bright); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chunk-disp-title em { color: var(--muted); font-style: italic; }
.chunk-disp-meta { font-size: 10px; color: var(--muted); white-space: nowrap; }
.chunk-disp-actions { display: flex; gap: 2px; }
.icon-btn.edit:hover { color: var(--accent); }
.chunk-chevron { color: var(--muted); font-size: 10px; width: 12px; flex: 0 0 auto; text-align: center; }
.chunk-card.is-expanded .chunk-display { background: var(--panel-2); }
.chunk-disp-body {
  padding: 12px 14px 14px 38px; font-size: 13px; line-height: 1.65;
  color: var(--text); white-space: pre-wrap; word-break: break-word;
  border-top: 1px solid var(--line);
}
.chunk-disp-body .muted { color: var(--muted); }
.chunk-card-head { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; }
.chunk-title-input {
  flex: 1; background: var(--panel-2); border: 1px solid var(--line); color: var(--text-bright);
  padding: 8px 10px; font-size: 13px; letter-spacing: 0.04em;
}
.chunk-body {
  width: 100%; background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  padding: 10px; font-size: 13px; line-height: 1.6; resize: vertical; min-height: 120px;
}
.chunk-body:focus, .chunk-title-input:focus, input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent-mid);
}
.chunk-meta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 10px; align-items: center; }
.meta-field { display: flex; flex-direction: column; gap: 4px; font-size: 10px; letter-spacing: 0.1em; color: var(--muted); }
.meta-field input, .meta-field select {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  padding: 6px 8px; font-size: 12px;
}
.char-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.char-chip {
  font-size: 11px; padding: 4px 8px; border: 1px solid var(--line-2);
  color: var(--muted); cursor: pointer; user-select: none;
}
.char-chip.on { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.icon-btn { background: none; border: none; color: var(--muted-2); cursor: pointer; font-size: 14px; padding: 4px; }
.icon-btn:hover { color: var(--danger); }

/* ---------- TIMELINES ---------- */
.timeline-controls { margin-bottom: 16px; }
.timeline-controls label { font-size: 11px; letter-spacing: 0.12em; color: var(--muted); display: inline-flex; gap: 8px; align-items: center; }
.timeline-controls select { background: var(--panel-2); border: 1px solid var(--line); color: var(--text); padding: 6px 8px; }
.timelines-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.timeline-col { background: var(--panel); border: 1px solid var(--line); }
.tl-col-head { padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 11px; letter-spacing: 0.16em; color: var(--accent); }
.tl-track { display: flex; flex-direction: column; padding: 10px; gap: 8px; min-height: 120px; }
.tl-card {
  background: var(--panel-2); border: 1px solid var(--line-2); padding: 10px 12px;
  display: flex; align-items: center; gap: 10px; cursor: pointer;
}
.tl-card:hover { border-color: var(--accent-mid); }
.tl-card.dim { opacity: 0.28; }
.tl-card.dragging { opacity: 0.4; }
.tl-card.drop-before { box-shadow: inset 0 2px 0 var(--accent); }
.tl-card.drop-after { box-shadow: inset 0 -2px 0 var(--accent); }
.tl-card .tl-grip { color: var(--muted-2); cursor: grab; font-size: 13px; user-select: none; }
.tl-card .tl-grip:active { cursor: grabbing; }
.tl-card .tl-idx { font-size: 11px; color: var(--muted); width: 20px; }
.tl-card .tl-name { flex: 1; font-size: 12px; color: var(--text-bright); }
.tl-card .tl-chap { font-size: 10px; color: var(--muted); }

/* ---------- MODAL ---------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(0,0,0,0.65);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 60px 16px; overflow-y: auto;
}
.modal-overlay[hidden] { display: none; }
.modal {
  background: var(--panel); border: 1px solid var(--line-2);
  width: 100%; max-width: 680px; padding: 18px;
  display: flex; flex-direction: column; gap: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.modal-head { display: flex; align-items: center; justify-content: space-between; }
.modal-chap { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; }

/* ---------- generic dialog (prompt/confirm/alert) ---------- */
.ui-modal-overlay {
  position: fixed; inset: 0; z-index: 120;
  background: rgba(0,0,0,0.65);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.ui-modal {
  background: var(--panel); border: 1px solid var(--line-2);
  width: 100%; max-width: 420px; padding: 22px;
  display: flex; flex-direction: column; gap: 14px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.ui-modal-title {
  font-size: 12px; letter-spacing: 0.16em; font-weight: 700; color: var(--accent);
  text-transform: uppercase;
}
.ui-modal-msg { font-size: 13px; line-height: 1.6; color: var(--text); white-space: pre-wrap; }
.ui-modal-input {
  background: var(--panel-2); border: 1px solid var(--line-2); color: var(--text-bright);
  padding: 10px 12px; font-family: inherit; font-size: 13px; width: 100%;
}
.ui-modal-input:focus { outline: none; border-color: var(--accent-mid); }
.ui-modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 2px; }
.ui-modal-btn {
  background: none; border: 1px solid var(--line-2); color: var(--muted);
  padding: 9px 16px; font-size: 11px; letter-spacing: 0.12em; cursor: pointer;
  font-family: inherit; text-transform: uppercase;
}
.ui-modal-btn:hover { border-color: var(--accent-mid); color: var(--accent); }
.ui-modal-btn.solid { background: var(--accent); border-color: var(--accent); color: #0a0a0a; font-weight: 700; }
.ui-modal-btn.solid:hover { filter: brightness(1.08); color: #0a0a0a; }
.ui-modal-btn.solid.danger { background: #c0584e; border-color: #c0584e; color: #fff; }
.ui-modal-btn.solid.danger:hover { filter: brightness(1.08); color: #fff; }

/* ---------- CHARACTERS detail ---------- */
.char-block { background: var(--panel); border: 1px solid var(--line); padding: 14px; }
.char-block h3 { margin: 0 0 10px; font-size: 12px; letter-spacing: 0.14em; color: var(--accent); }
.char-summary { white-space: pre-wrap; font-size: 13px; line-height: 1.6; color: var(--text); }
.char-refs { display: flex; flex-direction: column; gap: 6px; }
.ref-row { font-size: 12px; padding: 6px 8px; background: var(--panel-2); border: 1px solid var(--line); }
.ref-row .ref-where { color: var(--muted); font-size: 10px; }
.note-row { display: flex; gap: 8px; align-items: flex-start; padding: 8px; background: var(--panel-2); border: 1px solid var(--line); margin-bottom: 6px; }
.note-row .note-text { flex: 1; font-size: 12px; }

/* ---------- IDEAS ---------- */
.idea-compose { display: grid; grid-template-columns: 1fr 220px auto; gap: 10px; margin-bottom: 16px; align-items: start; }
.idea-compose textarea { background: var(--panel-2); border: 1px solid var(--line); color: var(--text); padding: 10px; resize: vertical; }
.idea-compose input { background: var(--panel-2); border: 1px solid var(--line); color: var(--text); padding: 10px; }
.idea-filter { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.idea-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.idea-card { background: var(--panel); border: 1px solid var(--line); border-top: 2px solid var(--accent-mid); padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.idea-card .idea-text { font-size: 13px; line-height: 1.5; white-space: pre-wrap; }
.idea-card .idea-foot { display: flex; justify-content: space-between; align-items: center; gap: 6px; }
.idea-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.tag { font-size: 10px; padding: 2px 6px; border: 1px solid var(--lc, var(--line-2)); color: var(--lc, var(--muted)); letter-spacing: 0.08em; background: transparent; }
.tag.on { border-color: var(--lc, var(--accent)); color: #0a0a08; background: var(--lc, var(--accent)); }
.tag.clickable { cursor: pointer; }

/* ---------- LABEL EDITOR (chip toggles + new-label input) ---------- */
.label-editor { display: flex; flex-direction: column; gap: 8px; }
.label-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.lbl-chip {
  font-size: 11px; padding: 4px 8px; border: 1px solid var(--line-2);
  color: var(--muted); cursor: pointer; user-select: none;
}
.lbl-chip.on { border-color: var(--lc, var(--accent)); color: var(--lc, var(--accent)); background: rgba(255,255,255,0.03); }
.new-label-input {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  padding: 6px 8px; font-size: 12px; max-width: 260px;
}

/* ---------- editable idea cards + chunk display tags ---------- */
.idea-actions { display: flex; gap: 4px; align-items: center; }
.idea-card.editing { gap: 10px; }
.idea-edit-text {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  padding: 8px; font-size: 13px; line-height: 1.5; resize: vertical; min-height: 64px;
}
.chunk-disp-tags { display: flex; flex-wrap: wrap; gap: 4px; }

/* ---------- AUTH GATE ---------- */
body.locked .app-header,
body.locked .app-main,
body.locked .drawer,
body.locked .drawer-overlay { display: none !important; }

.auth-screen {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); padding: 24px;
}
.auth-screen[hidden] { display: none; }
.auth-card {
  width: 100%; max-width: 360px;
  background: var(--panel); border: 1px solid var(--line);
  padding: 28px 26px 24px; display: flex; flex-direction: column; gap: 16px;
}
.auth-brand {
  font-weight: 800; letter-spacing: 0.18em; color: var(--accent);
  text-align: center; font-size: 18px;
}
.auth-tabs { display: flex; border: 1px solid var(--line-2); }
.auth-tab {
  flex: 1; background: none; border: none; cursor: pointer;
  padding: 10px; font-size: 11px; letter-spacing: 0.14em;
  color: var(--muted); font-family: inherit;
}
.auth-tab.active { background: var(--panel-2); color: var(--accent); }
.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-form label {
  display: flex; flex-direction: column; gap: 5px;
  font-size: 10px; letter-spacing: 0.14em; color: var(--muted);
}
.auth-form input {
  background: var(--panel-2); border: 1px solid var(--line-2);
  color: var(--text-bright); padding: 9px 10px; font-family: inherit; font-size: 13px;
}
.auth-form input:focus { outline: none; border-color: var(--accent-mid); }
.auth-names { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.auth-screen:not(.mode-signup) .signup-only { display: none; }
.auth-submit {
  margin-top: 4px; background: var(--accent); border: none; color: #0a0a0a;
  padding: 11px; font-size: 12px; letter-spacing: 0.14em; font-weight: 700;
  cursor: pointer; font-family: inherit;
}
.auth-submit:hover { filter: brightness(1.08); }
.auth-submit:disabled { opacity: 0.5; cursor: default; }
.auth-msg {
  min-height: 14px; font-size: 11px; letter-spacing: 0.04em;
  color: var(--accent); text-align: center; line-height: 1.4;
}

/* "check your email" confirmation state */
.auth-screen:not(.mode-sent) .auth-sent { display: none; }
.auth-screen.mode-sent .auth-tabs,
.auth-screen.mode-sent .auth-form { display: none; }
.auth-sent { display: flex; flex-direction: column; gap: 16px; text-align: center; }
.auth-sent-title { color: var(--accent); font-size: 14px; letter-spacing: 0.16em; font-weight: 700; }
.auth-sent-msg { color: var(--text); font-size: 12px; line-height: 1.6; margin: 0; }
.auth-sent-msg strong { color: var(--text-bright); }
.auth-back {
  background: none; border: 1px solid var(--line-2); color: var(--muted);
  padding: 9px; font-size: 11px; letter-spacing: 0.12em; cursor: pointer; font-family: inherit;
}
.auth-back:hover { border-color: var(--accent-mid); color: var(--accent); }

/* ---------- responsive ---------- */
@media (max-width: 820px) {
  .sections-layout, .timelines-layout { grid-template-columns: 1fr; }
  .idea-compose { grid-template-columns: 1fr; }
  /* collapse the side nav back into a slide-out drawer */
  .drawer { transform: translateX(-100%); transition: transform 0.18s ease; }
  .drawer.open { transform: translateX(0); }
  .app-header, .app-main { margin-left: 0; }
  .drawer-toggle { display: inline-block; }
}