*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --shell-bg: #080e1a;
  --sidebar-bg: #0d1424;
  --card-bg: #111d2e;
  --border: rgba(255,255,255,0.09);
  --text: #e8edf5;
  --text-muted: #8898b0;
  --text-dim: #7a8ea8;        /* raised from #4a5a70 — meets 4.5:1 on dark bg */
  --accent: #5b6ef5;
  --accent-hover: #4757e0;
  --danger: #ef4444;
  --app-primary: #5b6ef5;
  --app-secondary: #8b5cf6;
  --app-bg: #0f172a;
  --app-navbar: #0d1424;
  --app-text: #e8edf5;
  /* Dynamic vars — overridden per-JSON in JS */
  --topbar-name-color: #5b6ef5;
  --hero-bg: rgba(255,255,255,0.05);
  --app-border: rgba(255,255,255,0.09);
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--shell-bg);
  color: var(--text);
  height: 100vh;
  display: flex;
  overflow: hidden;
}

/* ── SIDEBAR ── */
.sidebar {
  width: 268px;
  min-width: 268px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.sidebar-header {
  padding: 18px 14px 14px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.btn-paste {
  width: 100%;
  padding: 9px 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  gap: 7px;
  justify-content: center;
}
.btn-paste:hover { background: var(--accent-hover); }

.sidebar-section-title {
  padding: 14px 14px 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.history-list { flex: 1; overflow-y: auto; padding: 4px 8px 8px; }

/* ── KEYBOARD HINTS ── */
.sidebar-shortcuts {
  border-top: 1px solid var(--border);
  padding: 10px 12px 12px;
  flex-shrink: 0;
}
.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 0;
}
.shortcut-row kbd {
  font-size: 10px;
  font-family: 'SF Mono', 'Cascadia Code', monospace;
  color: var(--text-muted);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 1px 5px;
  white-space: nowrap;
}
.shortcut-row span {
  font-size: 10px;
  color: var(--text-muted);
}

.history-item {
  padding: 9px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.12s;
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 2px;
}
.history-item:hover { background: rgba(255,255,255,0.05); }
.history-item.active { background: rgba(91,110,245,0.13); }

.history-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.history-info { flex: 1; min-width: 0; }
.history-name { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.history-desc { font-size: 11px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 1px; }

.history-del {
  opacity: 0; background: none; border: none; color: var(--text-dim);
  cursor: pointer; padding: 2px 6px; border-radius: 4px; font-size: 13px;
  transition: all 0.12s; flex-shrink: 0;
}
.history-item:hover .history-del { opacity: 1; }
.history-del:hover { color: var(--danger); background: rgba(239,68,68,0.1); }

.history-empty {
  padding: 28px 14px; text-align: center; color: var(--text-dim);
  font-size: 12px; line-height: 1.6;
}

/* ── MAIN ── */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.topbar {
  background: var(--app-navbar);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  transition: background 0.4s;
}
.topbar-name { font-size: 15px; font-weight: 700; color: var(--topbar-name-color); transition: color 0.4s; }
.topbar-tag { font-size: 12px; color: var(--text-muted); flex: 1; opacity: 0.85; }

/* ── EMPTY STATE ── */
.empty-state {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 14px; text-align: center; padding: 40px;
}
.empty-icon { font-size: 44px; opacity: 0.2; }
.empty-title { font-size: 19px; font-weight: 600; }
.empty-desc { font-size: 13px; color: var(--text-muted); max-width: 340px; line-height: 1.6; }
.btn-secondary {
  padding: 9px 22px; background: rgba(255,255,255,0.05);
  color: var(--text); border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px; font-weight: 500; cursor: pointer; transition: all 0.15s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.09); }

/* ── APP VIEW ── */
.app-view { flex: 1; overflow-y: auto; background: var(--app-bg); transition: background 0.4s; }

.hero { padding: 28px 28px 0; }
.hero-intro {
  /* background uses --hero-bg (set per-JSON in JS) so it always pairs with --app-text */
  background: var(--hero-bg); border: 1px solid var(--app-border);
  border-radius: 14px; padding: 24px 28px; line-height: 1.7;
  font-size: 14px; color: var(--app-text);
}
.hero-intro h1, .hero-intro h2 { color: var(--app-primary); margin-bottom: 10px; font-size: 1.3em; }
.hero-intro p { margin-bottom: 8px; color: var(--app-text); opacity: 0.88; }
.hero-intro strong { color: var(--app-text); }

/* ── TABS ── */
.tabs { padding: 20px 28px 0; }

.tab-bar {
  display: flex; gap: 2px;
  border-bottom: 1px solid var(--app-border);
  margin-bottom: 20px;
}
.tab-btn {
  padding: 7px 16px; background: none; border: none;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  color: var(--text-muted); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: all 0.15s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--app-primary); border-bottom-color: var(--app-primary); }

.tab-panel { display: none; padding-bottom: 40px; }
.tab-panel.active { display: block; }

/* ── CARDS ── */
.card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 12px; padding: 18px 22px; margin-bottom: 14px;
}
.card-label {
  font-size: 10px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-dim); margin-bottom: 8px;
}
.card-body { font-size: 14px; color: var(--text-muted); line-height: 1.65; }

/* ── OVERVIEW ── */
.stats-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 14px; }
.stat-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 12px; padding: 18px; text-align: center;
}
.stat-num { font-size: 30px; font-weight: 700; color: var(--app-primary); }
.stat-label { font-size: 11px; color: var(--text-muted); margin-top: 3px; }

.swatches { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.swatch {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 11px; border-radius: 6px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  font-size: 11px; color: var(--text-muted);
}
.swatch-dot { width: 14px; height: 14px; border-radius: 4px; border: 1px solid rgba(255,255,255,0.15); flex-shrink: 0; }

/* ── PERSONA ── */
.persona-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-left: 3px solid var(--app-primary); border-radius: 12px; padding: 22px 24px;
  transition: border-color 0.4s;
}
.persona-text { font-size: 13px; color: var(--text-muted); line-height: 1.8; white-space: pre-wrap; }

/* ── SECTIONS ACCORDION ── */
.section-item {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 12px; margin-bottom: 10px; overflow: hidden;
}
.section-hdr {
  padding: 14px 18px; cursor: pointer;
  display: flex; align-items: center; gap: 11px;
  user-select: none; transition: background 0.12s;
}
.section-hdr:hover { background: rgba(255,255,255,0.02); }

.section-num {
  width: 26px; height: 26px; border-radius: 7px;
  background: var(--app-primary); color: #fff;
  font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: background 0.4s;
}
.section-title { flex: 1; font-size: 14px; font-weight: 600; }
.section-meta { font-size: 11px; color: var(--text-dim); }
.chevron { color: var(--text-dim); font-size: 10px; transition: transform 0.2s; }
.section-item.open > .section-hdr .chevron { transform: rotate(180deg); }
.step-item.open > .step-hdr .chevron { transform: rotate(180deg); }

.section-body { display: none; border-top: 1px solid var(--border); }
.section-item.open .section-body { display: block; }

.section-desc {
  padding: 14px 18px 12px; font-size: 13px; color: var(--text-muted);
  line-height: 1.6; border-bottom: 1px solid var(--border);
}
.section-hint {
  margin-top: 8px; font-size: 11px; padding: 7px 12px;
  background: rgba(255,255,255,0.04); border-radius: 6px;
  border-left: 2px solid var(--app-primary); color: var(--text-muted);
  transition: border-color 0.4s;
}

/* ── STEPS ── */
.step-item { border-bottom: 1px solid var(--border); }
.step-item:last-child { border-bottom: none; }

.step-hdr {
  padding: 11px 18px 11px 44px; cursor: pointer;
  display: flex; align-items: center; gap: 8px; transition: background 0.12s;
}
.step-hdr:hover { background: rgba(255,255,255,0.02); }
.step-title { flex: 1; font-size: 13px; font-weight: 600; }

.badge {
  font-size: 10px; padding: 2px 7px; border-radius: 4px;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
}
.badge-req  { background: rgba(239,68,68,0.15); color: #f87171; }
.badge-opt  { background: rgba(122,142,168,0.18); color: #94a3b8; }
.badge-pro  { background: rgba(245,158,11,0.15); color: #fbbf24; }

.step-body { display: none; padding: 12px 18px 14px 44px; background: rgba(0,0,0,0.14); }
.step-item.open .step-body { display: block; }
.step-desc { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; font-style: italic; }
.step-fn {
  font-size: 11px; color: var(--text-muted); margin-bottom: 10px;
  padding: 6px 10px; background: rgba(255,255,255,0.04); border-radius: 6px;
}

/* ── DRAG-AND-DROP ── */
.drag-handle {
  cursor: grab;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1;
  padding: 0 3px;
  flex-shrink: 0;
  opacity: 0.45;
  transition: opacity 0.12s;
  user-select: none;
}
.drag-handle:hover { opacity: 1; color: var(--text-muted); }
.drag-handle:active { cursor: grabbing; }
.dd-dragging { opacity: 0.35; }
.section-item.drag-before { border-top: 2px solid var(--accent); }
.section-item.drag-after  { border-bottom: 2px solid var(--accent); }
.step-item.drag-before    { border-top: 2px solid var(--accent); }
.step-item.drag-after     { border-bottom: 2px solid var(--accent); }
.el-item.drag-before      { border-top: 2px solid var(--accent); }
.el-item.drag-after       { border-bottom: 2px solid var(--accent); }

/* ── ELEMENTS ── */
.elements-grid { display: flex; flex-direction: column; gap: 6px; }
.el-item {
  background: rgba(255,255,255,0.025); border: 1px solid var(--border);
  border-radius: 8px; padding: 9px 12px;
  display: flex; align-items: flex-start; gap: 9px;
}
.el-icon {
  width: 26px; height: 26px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; flex-shrink: 0; margin-top: 1px;
}
.el-body { flex: 1; min-width: 0; }
.el-name { font-size: 12px; font-weight: 600; color: var(--text); }
.el-desc { font-size: 11px; color: var(--text-dim); margin-top: 2px; line-height: 1.45; }
.el-key {
  font-size: 10px; font-family: 'SF Mono', 'Cascadia Code', monospace;
  color: var(--app-primary); background: rgba(91,110,245,0.1);
  padding: 1px 6px; border-radius: 3px; margin-top: 4px; display: inline-block;
  transition: color 0.4s, background 0.4s;
}

/* ── ENTITIES ── */
.entity-name-hdr {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 8px;
}
.entity-name {
  font-size: 12px; font-weight: 700; color: var(--app-primary);
  font-family: 'SF Mono', monospace;
  transition: color 0.4s;
}
.entity-field {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 5px 10px; background: rgba(255,255,255,0.02);
  border-radius: 5px; font-size: 12px; margin-bottom: 3px;
}
.entity-key { font-family: monospace; color: var(--text-muted); min-width: 130px; flex-shrink: 0; }
.entity-key-input { width: 130px; flex-shrink: 0; padding: 1px 6px; font-size: 11px; }
.entity-val { color: var(--text-dim); font-style: italic; word-break: break-all; }

/* ── MODAL ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.75);
  display: none; align-items: center; justify-content: center;
  z-index: 100; backdrop-filter: blur(5px);
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--sidebar-bg); border: 1px solid var(--border);
  border-radius: 16px; padding: 26px; width: 540px;
  max-width: 92vw; display: flex; flex-direction: column;
}
.modal-title { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.modal-sub { font-size: 12px; color: var(--text-muted); margin-bottom: 18px; }

.modal-textarea {
  width: 100%; min-height: 200px;
  background: rgba(0,0,0,0.35); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text);
  font-family: 'SF Mono', 'Cascadia Code', monospace;
  font-size: 11.5px; padding: 12px; resize: vertical;
  margin-bottom: 14px; outline: none; transition: border-color 0.15s;
}
.modal-textarea:focus { border-color: var(--accent); }

.modal-err { font-size: 12px; color: var(--danger); margin-bottom: 10px; display: none; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

.btn-cancel {
  padding: 8px 16px; background: none; border: 1px solid var(--border);
  border-radius: 7px; color: var(--text-muted); font-size: 13px;
  cursor: pointer; transition: all 0.13s;
}
.btn-cancel:hover { background: rgba(255,255,255,0.05); }
.btn-primary {
  padding: 8px 18px; background: var(--accent); border: none;
  border-radius: 7px; color: #fff; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: background 0.13s;
}
.btn-primary:hover { background: var(--accent-hover); }

/* ── TOAST ── */
.toast {
  position: fixed; bottom: 22px; left: 280px;
  padding: 10px 18px; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: 9px;
  font-size: 13px; transform: translateY(70px); opacity: 0;
  transition: all 0.25s; z-index: 200;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.toast-dim  { color: var(--text-muted); border-color: rgba(255,255,255,0.06); }
.toast.toast-warn { color: #fbbf24; border-color: rgba(251,191,36,0.3); }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }

/* ── EDIT MODE ── */
.ef {
  outline: 1.5px dashed var(--app-primary);
  border-radius: 3px;
  padding: 1px 3px;
  cursor: text;
  user-select: text !important;
  transition: outline-color 0.15s;
}
.ef:focus {
  outline: 2px solid var(--app-primary);
  background: rgba(91,110,245,0.07);
  outline-offset: 1px;
}

.btn-edit-mode {
  margin-left: auto;
  padding: 5px 13px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--topbar-name-color, #e8edf5);
  border-radius: 7px;
  font-size: 12px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s;
}
.btn-edit-mode:hover { background: rgba(255,255,255,0.07); }
.btn-edit-mode.active {
  background: rgba(91,110,245,0.18);
  border-color: var(--app-primary);
  color: var(--app-primary);
}
.edit-mode .topbar { border-bottom-color: var(--app-primary); }

.editable-color {
  cursor: pointer;
  transition: outline 0.15s, transform 0.15s;
}
.editable-color:hover {
  outline: 2px solid var(--app-primary);
  outline-offset: 2px;
  transform: scale(1.2);
}

.btn-add-step {
  display: block;
  width: calc(100% - 36px);
  margin: 10px 18px;
  padding: 8px;
  background: transparent;
  border: 1px dashed var(--app-primary);
  color: var(--app-primary);
  border-radius: 7px;
  cursor: pointer;
  font-size: 12px;
  opacity: 0.65;
  transition: opacity 0.15s, background 0.15s;
}
.btn-add-step:hover { opacity: 1; background: rgba(91,110,245,0.08); }

.btn-edit-intro {
  display: none;
  margin-top: 10px;
  padding: 5px 13px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--app-text);
  border-radius: 7px;
  cursor: pointer;
  font-size: 11px;
  transition: background 0.14s;
}
.btn-edit-intro:hover { background: rgba(255,255,255,0.12); }
.edit-mode .btn-edit-intro { display: inline-block; }

/* ── HEADER ACTIONS (edit mode — sections & steps) ── */
.hdr-actions {
  display: flex; align-items: center; gap: 4px; margin-left: 4px; flex-shrink: 0;
}

/* ── ELEMENT ACTIONS (edit mode) ── */
.el-actions {
  display: flex; gap: 5px; margin-top: 8px;
}
.el-confirm {
  display: none; align-items: center; gap: 6px;
  margin-top: 8px; padding: 5px 8px;
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: 6px;
}
.el-confirm-msg { font-size: 11px; color: var(--danger); flex: 1; }
.btn-el-action {
  padding: 3px 8px; font-size: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 5px; color: var(--text-muted);
  cursor: pointer; transition: background 0.12s;
}
.btn-el-action:hover { background: rgba(255,255,255,0.1); }
.btn-el-del { border-color: rgba(239,68,68,0.3); color: var(--danger); }
.btn-el-del:hover { background: rgba(239,68,68,0.1); }
.btn-el-del-confirm {
  background: rgba(239,68,68,0.15); border-color: var(--danger);
  color: var(--danger); font-weight: 600;
}
.btn-el-del-confirm:hover { background: rgba(239,68,68,0.25); }

/* ── GLOBAL DATA TAB — add forms ── */
/* ── SCOPE MAP ── */
.scope-row {
  display: flex; align-items: baseline; gap: 10px;
  padding: 5px 0; border-bottom: 1px solid rgba(255,255,255,0.04);
  flex-wrap: wrap;
}
.scope-row:last-child { border-bottom: none; }
.scope-key {
  font-family: 'SF Mono', 'Cascadia Code', monospace;
  font-size: 11px; color: var(--app-primary);
  background: rgba(91,110,245,0.1);
  padding: 2px 6px; border-radius: 4px;
  cursor: pointer; flex-shrink: 0;
  transition: background 0.13s, color 0.4s;
}
.scope-key:hover { background: rgba(91,110,245,0.22); }
.scope-path {
  font-size: 11px; color: var(--text-dim);
  flex: 1; min-width: 0;
}
.scope-badge {
  font-size: 9px; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--text-dim);
  background: rgba(255,255,255,0.06);
  padding: 1px 5px; border-radius: 3px; flex-shrink: 0;
}

.btn-add-inline {
  display: block; width: 100%; margin-top: 10px;
  padding: 6px; background: transparent;
  border: 1px dashed rgba(255,255,255,0.13);
  color: var(--text-dim); border-radius: 6px;
  cursor: pointer; font-size: 11px;
  transition: border-color 0.15s, color 0.15s;
}
.btn-add-inline:hover { border-color: var(--app-primary); color: var(--app-primary); }
.btn-add-entity { margin-top: 18px; }

.add-inline-form {
  display: flex; gap: 6px; align-items: center;
  margin-top: 8px; flex-wrap: wrap;
}
.add-input {
  flex: 1; min-width: 80px;
  padding: 4px 8px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 5px; color: var(--text);
  font-size: 11px; font-family: 'SF Mono', 'Cascadia Code', monospace;
  outline: none; transition: border-color 0.15s;
}
.add-input:focus { border-color: var(--app-primary); }

/* ── EXPORT JSON ── */
.btn-export-json {
  padding: 5px 12px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--topbar-name-color, #e8edf5);
  border-radius: 7px;
  font-size: 11px;
  font-family: 'SF Mono', 'Cascadia Code', monospace;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s;
}
.btn-export-json:hover { background: rgba(255,255,255,0.07); }

/* ── UNDO / REDO ── */
.btn-nav {
  padding: 5px 10px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--topbar-name-color, #e8edf5);
  border-radius: 7px;
  font-size: 11px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, opacity 0.15s;
}
.btn-nav:not(:disabled):hover { background: rgba(255,255,255,0.07); }
.btn-nav:disabled { opacity: 0.3; cursor: default; }

/* ── REVERT ── */
.btn-revert {
  padding: 5px 12px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--topbar-name-color, #e8edf5);
  border-radius: 7px;
  font-size: 11px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s;
}
.btn-revert:hover { background: rgba(239,68,68,0.15); border-color: rgba(239,68,68,0.4); }

.modal-wide { width: 680px; max-width: 94vw; }

.json-preview {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  font-family: 'SF Mono', 'Cascadia Code', monospace;
  font-size: 11px;
  line-height: 1.55;
  color: var(--text-muted);
  max-height: 52vh;
  overflow-y: auto;
  white-space: pre;
  margin-bottom: 14px;
  user-select: text;
}

.btn-secondary {
  padding: 8px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 7px;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.13s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.11); }

/* ── CHANGES PANEL ───────────────────────────────────────────────────── */
.changes-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 240px;
  height: 100vh;
  background: var(--sidebar-bg, #0d1424);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transform: translateX(100%);
  transition: transform 0.22s ease;
}
.changes-panel.open { transform: translateX(0); }

.changes-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 14px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.changes-title { font-size: 12px; font-weight: 600; color: var(--text-muted); letter-spacing: 0.04em; text-transform: uppercase; }
.changes-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 14px; padding: 2px 4px; line-height: 1; }
.changes-close:hover { color: var(--text); }

.changes-list { flex: 1; overflow-y: auto; padding: 8px 0; }
.changes-empty { padding: 16px 14px; font-size: 12px; color: var(--text-muted); }

.change-item {
  display: flex;
  flex-direction: column;
  padding: 6px 14px;
  border-left: 2px solid transparent;
  transition: background 0.12s;
}
.change-item:hover { background: rgba(255,255,255,0.04); }
.change-item.current { cursor: default; border-left-color: var(--app-primary, #5b6ef5); background: rgba(91,110,245,0.08); }
.change-item.future { opacity: 0.65; }
.change-item.future:hover { opacity: 1; background: rgba(255,255,255,0.04); }

.change-label { font-size: 12px; color: var(--text); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.change-item.current .change-label { color: var(--app-primary, #5b6ef5); font-weight: 600; }
.change-time { font-size: 10px; color: var(--text-muted); flex-shrink: 0; }

.change-main { display: flex; align-items: center; gap: 6px; width: 100%; min-width: 0; cursor: pointer; padding: 2px 0; }
.snapshot-tag {
  font-size: 10px; font-weight: 600; flex-shrink: 0;
  color: var(--accent); background: rgba(91,110,245,0.12);
  border: 1px solid rgba(91,110,245,0.3);
  padding: 1px 6px; border-radius: 4px; white-space: nowrap;
  max-width: 100px; overflow: hidden; text-overflow: ellipsis;
}
.bookmark-btn {
  background: none; border: none; cursor: pointer; padding: 0 2px;
  font-size: 11px; flex-shrink: 0; opacity: 0; line-height: 1;
  transition: opacity 0.12s;
}
.change-item:hover .bookmark-btn,
.change-item.bookmarked .bookmark-btn { opacity: 0.55; }
.bookmark-btn:hover { opacity: 1 !important; }
.bookmark-edit-wrap { padding: 5px 12px 8px; }
.bookmark-input {
  width: 100%; background: rgba(255,255,255,0.06);
  border: 1px solid var(--accent); border-radius: 5px;
  color: var(--text); padding: 4px 8px; font-size: 11px; outline: none;
}
.bookmark-input::placeholder { color: var(--text-dim); }
.change-expand { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 10px; padding: 0 2px; flex-shrink: 0; line-height: 1; }
.change-expand:hover { color: var(--text); }

.change-diff { display: none; padding: 6px 14px 6px 16px; border-top: 1px solid var(--border); }
.change-diff.open { display: block; }

.diff-row { display: flex; align-items: center; gap: 8px; padding: 3px 0; flex-wrap: wrap; }
.diff-path { font-size: 10px; color: var(--text-muted); min-width: 70px; flex-shrink: 0; }
.diff-colors { display: flex; align-items: center; gap: 5px; }
.diff-swatch { display: inline-block; width: 14px; height: 14px; border-radius: 3px; border: 1px solid rgba(255,255,255,0.15); flex-shrink: 0; }
.diff-arrow { font-size: 10px; color: var(--text-muted); }
.diff-vals { display: flex; align-items: center; gap: 4px; min-width: 0; flex-wrap: wrap; }
.diff-before { font-size: 10px; color: #f87171; text-decoration: line-through; max-width: 80px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.diff-after  { font-size: 10px; color: #86efac; max-width: 80px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.diff-note { font-size: 10px; color: var(--text-muted); font-style: italic; }

/* ── AI PATCH BLOCKS ─────────────────────────────────────────────────── */
pre:has(code.language-json-patch) { display: none; }