/* ============================================================
   Death Log dev tools — calm dark workstation theme.
   One warm accent (Zhar ember). Comfort & legibility first.
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg:        #0e0d11;
  --bg-2:      #131218;
  --panel:     #17151d;
  --panel-2:   #201d28;
  --line:      #2a2733;
  --line-2:    #383343;
  --ink:       #e8e3d9;
  --ink-dim:   #9a92a2;
  --ink-faint: #6b6575;
  --accent:    #e0a04a;           /* Zhar ember */
  --accent-2:  #c4853a;
  --accent-bg: rgba(224,160,74,.12);
  --ok:        #6fae8e;
  --danger:    #d06a5a;
  --erosion-lo:  #e0a04a;
  --erosion-mid: #d8893c;
  --erosion-hi:  #7fae8e;         /* Mor green — corruption taking over */
  --radius: 7px;
  --ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, monospace;
  --bar-h: 44px;
}

html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--ui);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}
.mono { font-family: var(--mono); }
kbd {
  font-family: var(--mono); font-size: .82em;
  background: var(--panel-2); border: 1px solid var(--line-2);
  border-radius: 4px; padding: 1px 5px; color: var(--ink);
}

#app {
  display: flex; flex-direction: column;
  height: 100vh; height: 100dvh;
  max-width: 1280px; margin: 0 auto;
  padding: 10px 12px;
}

/* ---------- header ---------- */
header {
  display: flex; align-items: center; gap: 14px;
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: baseline; gap: 8px; white-space: nowrap; }
.brand-mark { color: var(--accent); font-size: 13px; letter-spacing: -2px; }
.brand-name { font-weight: 700; letter-spacing: 1px; font-size: 15px; }
.brand-sub { color: var(--ink-faint); font-size: 11px; text-transform: lowercase; }

.tabs-top { display: flex; gap: 4px; margin-left: 6px; }
.tabs-top .tab {
  background: transparent; border: 1px solid transparent;
  color: var(--ink-dim); padding: 6px 13px; border-radius: var(--radius);
  cursor: pointer; font-family: var(--ui); font-size: 13px; transition: .12s;
}
.tabs-top .tab:hover { color: var(--ink); background: var(--panel); }
.tabs-top .tab.active {
  color: var(--accent); background: var(--accent-bg);
  border-color: rgba(224,160,74,.35);
}
.meta-chip {
  margin-left: auto; color: var(--ink-faint); font-size: 11px;
  font-family: var(--mono); white-space: nowrap;
}

/* ---------- main / tabs ---------- */
main { flex: 1; overflow: hidden; padding-top: 10px; }
.tab-content { display: none; height: 100%; }
.tab-content.active { display: block; }

.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; height: 100%;
}

/* ---------- panel ---------- */
.panel {
  display: flex; flex-direction: column; min-height: 0;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.panel.tall { height: 100%; }
.panel-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 7px 10px; background: var(--bg-2);
  border-bottom: 1px solid var(--line); min-height: var(--bar-h); flex-wrap: wrap;
}
.panel-title {
  font-size: 11px; text-transform: uppercase; letter-spacing: .6px;
  color: var(--ink-dim);
}
.panel-title em { color: var(--accent); font-style: normal; text-transform: none; letter-spacing: 0; }
.panel-actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.panel-foot {
  display: flex; align-items: center; gap: 12px; padding: 8px 10px;
  border-top: 1px solid var(--line); flex-wrap: wrap;
}
.hint { color: var(--ink-faint); font-size: 11px; }
.hint b { color: var(--ink-dim); font-weight: 600; }

/* ---------- controls ---------- */
.ctl {
  background: var(--panel-2); border: 1px solid var(--line-2);
  color: var(--ink); padding: 5px 11px; border-radius: 5px;
  font-family: var(--ui); font-size: 12px; cursor: pointer; transition: .12s;
}
.ctl:hover { border-color: var(--accent); }
.ctl:active { transform: translateY(1px); }
.ctl-accent { background: var(--accent); border-color: var(--accent); color: #1a130a; font-weight: 600; }
.ctl-accent:hover { background: var(--accent-2); border-color: var(--accent-2); }
.ctl-ok { color: var(--ok); border-color: rgba(111,174,142,.4); }
.ctl-ok:hover { border-color: var(--ok); }
.ctl-danger { color: var(--danger); border-color: rgba(208,106,90,.4); }
.ctl-danger:hover { border-color: var(--danger); }
.ctl-input { font-family: var(--mono); min-width: 120px; }
select.ctl { max-width: 150px; }
.ctl:disabled { opacity: .4; cursor: default; }

.toggle {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; color: var(--ink-dim); cursor: pointer; user-select: none;
}
.toggle input { accent-color: var(--accent); }

/* ---------- code editor ---------- */
.code-wrap {
  flex: 1; display: flex; min-height: 0; background: var(--bg);
  overflow: hidden; position: relative;
}
.gutter {
  flex: 0 0 auto; padding: 12px 8px 12px 12px; text-align: right;
  font-family: var(--mono); font-size: 13px; line-height: 1.5;
  color: var(--ink-faint); background: var(--bg-2);
  border-right: 1px solid var(--line); user-select: none;
  overflow: hidden; white-space: pre; min-width: 38px;
}
.gutter .err-ln { color: var(--danger); font-weight: 700; }
#pixel-source {
  flex: 1; background: transparent; color: var(--ink); border: none;
  padding: 12px; font-family: var(--mono); font-size: 13px; line-height: 1.5;
  resize: none; outline: none; tab-size: 2; white-space: pre; overflow: auto;
}
.error-bar {
  padding: 7px 12px; background: rgba(208,106,90,.12);
  border-top: 1px solid var(--danger); color: var(--danger);
  font-family: var(--mono); font-size: 12px; cursor: pointer;
}
.status-bar {
  display: flex; gap: 16px; padding: 5px 12px; background: var(--bg-2);
  border-top: 1px solid var(--line); color: var(--ink-faint);
  font-family: var(--mono); font-size: 11px;
}
.status-bar .file-flag { margin-left: auto; color: var(--accent); }

/* ---------- preview ---------- */
.preview-stage {
  flex: 1; display: flex; align-items: center; justify-content: center;
  padding: 18px; overflow: auto;
  background:
    repeating-conic-gradient(#1c1a22 0% 25%, #161419 0% 50%) 0 0 / 22px 22px;
}
#preview-img { image-rendering: pixelated; max-width: 100%; max-height: 100%; }
.placeholder { color: var(--ink-faint); text-align: center; font-size: 13px; line-height: 1.8; }
.sprite-strip {
  display: flex; gap: 6px; padding: 8px 10px; overflow-x: auto;
  border-top: 1px solid var(--line);
}
.sprite-thumb {
  flex: 0 0 auto; background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 5px; padding: 4px 4px 2px; cursor: pointer;
  text-align: center; transition: .12s; min-width: 52px;
}
.sprite-thumb:hover { border-color: var(--line-2); }
.sprite-thumb.active { border-color: var(--accent); background: var(--accent-bg); }
.sprite-thumb img { image-rendering: pixelated; display: block; margin: 0 auto; width: 40px; height: 40px; object-fit: contain; }
.sprite-thumb span { display: block; font-size: 9px; color: var(--ink-dim); margin-top: 2px; max-width: 56px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sprite-thumb .anim-dot { color: var(--accent); }

.palette-bar {
  display: flex; gap: 10px; padding: 8px 10px; flex-wrap: wrap;
  border-top: 1px solid var(--line); min-height: 34px;
}
.swatch { display: flex; align-items: center; gap: 5px; font-size: 11px; color: var(--ink-dim); font-family: var(--mono); }
.swatch-dot { width: 15px; height: 15px; border-radius: 3px; border: 1px solid var(--line-2); }
.swatch-dot.shade { background-image: linear-gradient(135deg, #000 0 50%, #fff3 50% 100%); }

/* ---------- scroll areas / shared ---------- */
.scroll-area { flex: 1; overflow-y: auto; padding: 10px; min-height: 0; }
.stack { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.empty-state { color: var(--ink-faint); text-align: center; padding: 36px 20px; font-size: 13px; }
.sect-note { color: var(--ink-dim); font-size: 12px; margin-bottom: 10px; }

/* ---------- subtabs ---------- */
.subtabs {
  display: flex; gap: 4px; padding: 8px 10px 0; flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
}
.subtab {
  background: transparent; border: 1px solid transparent; border-bottom: none;
  color: var(--ink-dim); padding: 6px 11px; border-radius: 6px 6px 0 0;
  cursor: pointer; font-family: var(--ui); font-size: 12px;
}
.subtab:hover { color: var(--ink); }
.subtab.active { color: var(--accent); background: var(--panel-2); }
.nstab-content { display: none; }
.nstab-content.active { display: flex; flex-direction: column; }

/* ---------- cards (dialogue + notebook rows) ---------- */
.card {
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 6px; overflow: hidden;
}
.card-head {
  display: flex; align-items: center; gap: 8px; padding: 8px 11px;
  cursor: pointer; user-select: none;
}
.card-head:hover { background: var(--bg-2); }
.card-head .arrow { font-size: 10px; color: var(--ink-faint); transition: transform .15s; }
.card.open .card-head .arrow { transform: rotate(90deg); }
.card-head .node-id { font-size: 12px; font-weight: 700; color: var(--accent); font-family: var(--mono); }
.chip { font-size: 11px; color: var(--ink-dim); background: var(--bg-2); padding: 1px 7px; border-radius: 10px; }
.card-head .node-label { font-size: 12px; color: var(--ink); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.x-btn { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 15px; opacity: .6; margin-left: auto; }
.x-btn:hover { opacity: 1; }
.card-body { display: none; padding: 0 11px 11px; border-top: 1px solid var(--line); flex-direction: column; gap: 9px; }
.card.open .card-body { display: flex; }

.field { display: flex; flex-direction: column; gap: 4px; padding-top: 9px; }
.field > label { font-size: 10px; text-transform: uppercase; letter-spacing: .4px; color: var(--ink-dim); }
.field input, .field select, .field textarea,
.row-box input, .row-box select, .row-box textarea {
  background: var(--bg); border: 1px solid var(--line-2); color: var(--ink);
  padding: 6px 9px; border-radius: 5px; font-family: var(--ui); font-size: 13px; outline: none;
}
.field textarea, .row-box textarea { resize: vertical; min-height: 42px; font-family: var(--ui); line-height: 1.5; }
.field input:focus, .field select:focus, .field textarea:focus,
.row-box input:focus, .row-box textarea:focus, .row-box select:focus { border-color: var(--accent); }

.row-box {
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 6px; padding: 9px 10px; display: flex; flex-direction: column; gap: 7px;
}
.row-box .row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.tool-input { background: var(--bg); border: 1px solid var(--line-2); color: var(--ink); padding: 5px 8px; border-radius: 5px; font-family: var(--ui); font-size: 12px; outline: none; min-width: 90px; }
.tool-input:focus { border-color: var(--accent); }

/* intent variants */
.intent-list { display: flex; flex-direction: column; gap: 5px; }
.intent-row { background: var(--bg); border: 1px solid var(--line); border-radius: 5px; padding: 7px 8px; display: flex; flex-direction: column; gap: 5px; }
.intent-row-head { display: flex; align-items: center; gap: 6px; }
.intent-row-head select { background: var(--panel-2); border: 1px solid var(--line-2); color: var(--ink); padding: 3px 7px; border-radius: 4px; font-family: var(--ui); font-size: 12px; }
.intent-del { margin-left: auto; color: var(--danger); cursor: pointer; opacity: .6; }
.intent-del:hover { opacity: 1; }
.intent-row textarea { background: var(--panel-2); border: 1px solid var(--line-2); color: var(--ink); padding: 5px 7px; border-radius: 4px; font-family: var(--ui); font-size: 12px; resize: vertical; min-height: 34px; outline: none; }

.erosion-range { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--ink-dim); }
.erosion-range input[type=range] { flex: 1; height: 4px; -webkit-appearance: none; appearance: none; background: var(--line-2); border-radius: 2px; outline: none; }
.erosion-range input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%; background: var(--accent); cursor: pointer; }
.erosion-range input[type=range]::-moz-range-thumb { width: 14px; height: 14px; border: none; border-radius: 50%; background: var(--accent); cursor: pointer; }

.tag-list { display: flex; gap: 5px; flex-wrap: wrap; }
.tags { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }
.tag { background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 4px; padding: 2px 7px; font-size: 11px; color: var(--ink-dim); display: flex; align-items: center; gap: 5px; font-family: var(--mono); }
.tag-input { width: 170px; font-family: var(--mono); font-size: 11px; }
.tag-del { cursor: pointer; opacity: .5; }
.tag-del:hover { opacity: 1; color: var(--danger); }

.erosion-badge { font-size: 10px; color: var(--erosion-lo); background: var(--bg-2); padding: 2px 7px; border-radius: 10px; white-space: nowrap; border: 1px solid var(--line); }
.erosion-badge.medium { color: var(--erosion-mid); }
.erosion-badge.high { color: var(--erosion-hi); }

/* ---------- gallery ---------- */
.gallery-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(108px, 1fr));
  gap: 9px; align-content: start;
}
.gallery-item {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px;
  overflow: hidden; text-align: center; padding: 9px 6px; cursor: pointer; transition: .12s;
}
.gallery-item:hover { border-color: var(--accent); }
.gallery-item .thumb {
  height: 64px; display: flex; align-items: center; justify-content: center;
  background: repeating-conic-gradient(#1c1a22 0% 25%, #161419 0% 50%) 0 0 / 14px 14px;
  border-radius: 4px;
}
.gallery-item img { image-rendering: pixelated; max-width: 100%; max-height: 64px; }
.gallery-item span { display: block; font-size: 10px; color: var(--ink-dim); margin-top: 6px; word-break: break-all; font-family: var(--mono); }

/* ---------- lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; background: rgba(0,0,0,.85);
  display: flex; align-items: center; justify-content: center; z-index: 60; padding: 24px;
}
.lightbox[hidden] { display: none; }
.lightbox img { image-rendering: pixelated; max-width: 90vw; max-height: 90vh; }

/* ---------- toasts ---------- */
.toasts { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 8px; z-index: 80; align-items: center; pointer-events: none; }
.toast {
  background: var(--panel-2); border: 1px solid var(--line-2); color: var(--ink);
  padding: 9px 16px; border-radius: 8px; font-size: 13px; box-shadow: 0 8px 24px rgba(0,0,0,.5);
  animation: toast-in .18s ease; max-width: 90vw;
}
.toast.ok { border-color: var(--ok); color: var(--ok); }
.toast.err { border-color: var(--danger); color: var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- health badge ---------- */
.health {
  display: inline-block; padding: 1px 7px; border-radius: 9px; font-size: 11px;
  font-family: var(--mono); border: 1px solid transparent;
}
.health.h-ok { color: var(--ok); border-color: var(--ok); }
.health.h-warn { color: var(--accent); border-color: var(--accent); }
.health.h-err { color: var(--danger); border-color: var(--danger); background: rgba(208,106,90,.1); }

/* ---------- flow graph ---------- */
.flow-legend {
  display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center;
  padding: 8px 4px; font-size: 11px; color: var(--ink-dim);
}
.fl-key {
  padding: 2px 8px; border-radius: 10px; font-size: 10.5px; color: var(--bg);
  border: 1px solid transparent;
}
.fl-edge { display: inline-flex; align-items: center; gap: 5px; }
.fl-edge i { width: 16px; height: 0; border-top-width: 2px; border-top-style: solid; display: inline-block; }
.fl-edge .e-trig { border-color: var(--accent); }
.fl-edge .e-unlock { border-color: var(--erosion-hi); border-top-style: dashed; }
.fl-edge .e-rewind { border-color: var(--danger); border-top-style: dashed; }

.flow-stage {
  flex: 1; overflow: auto; background:
    radial-gradient(circle at 1px 1px, var(--line) 1px, transparent 0) 0 0 / 22px 22px,
    var(--bg-2);
  border: 1px solid var(--line); border-radius: var(--radius); touch-action: pan-x pan-y;
}
.flow-svg { display: block; }

.fedge { fill: none; stroke-width: 1.6; }
.fedge.e-trig { stroke: var(--accent); opacity: .8; }
.fedge.e-unlock { stroke: var(--erosion-hi); stroke-dasharray: 4 4; opacity: .85; }
.fedge.e-rewind { stroke: var(--danger); stroke-dasharray: 2 5; opacity: .6; }
.fedge-lbl { fill: var(--erosion-hi); font: 9px var(--mono); text-anchor: middle; opacity: .9; }

.fnode { cursor: pointer; }
.fnode rect {
  fill: var(--panel-2); stroke: var(--line-2); stroke-width: 1.2;
  transition: stroke .12s, filter .12s;
}
.fnode:hover rect, .fnode:active rect { stroke: var(--accent); filter: brightness(1.12); }
.fnode-warn rect { stroke: var(--danger); }
.fnode-dim { opacity: .26; }
.fnode-locked rect { stroke-dasharray: 3 3; opacity: .85; }
.fnode-locked .fn-title { fill: var(--ink-dim); }
.fnode-opens rect { stroke: var(--erosion-hi); stroke-width: 2.2; filter: drop-shadow(0 0 5px rgba(127,174,142,.5)); }

.flow-trace { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 4px 2px 8px; }
.flow-trace .ctl-input { flex: 1; min-width: 160px; }
.fn-title { fill: var(--ink); font: 600 12px var(--ui); }
.fn-sub { fill: var(--ink-dim); font: 10px var(--mono); }
.fn-tag { fill: var(--ink-faint); font: 10px var(--mono); }

/* kind accents — left edge bar via rect stroke colour overrides */
.fnode.fk-anchor rect { fill: var(--accent-bg); stroke: var(--accent); }
.fnode.fk-death rect { fill: rgba(208,106,90,.12); stroke: var(--danger); }
.fnode.fk-dialogue rect { fill: rgba(122,150,200,.12); stroke: #5d7bb0; }
.fnode.fk-choice rect { fill: rgba(224,160,74,.08); stroke: var(--accent-2); }
.fnode.fk-observe rect { fill: var(--panel-2); stroke: var(--line-2); }
.fnode.fk-rest rect { fill: var(--panel); stroke: var(--line); }
.fnode.fk-anchor .fn-title { fill: var(--accent); }

/* legend chips reuse kind colours */
.fl-key.fk-anchor { background: var(--accent); }
.fl-key.fk-death { background: var(--danger); }
.fl-key.fk-dialogue { background: #5d7bb0; }
.fl-key.fk-choice { background: var(--accent-2); }
.fl-key.fk-scene { background: var(--ink-dim); }
.fl-key.fk-observe { background: var(--ink-faint); }
.fl-key.fk-rest { background: var(--line-2); color: var(--ink); }

.flow-detail {
  position: sticky; bottom: 0; margin-top: 8px; max-height: 46%; overflow: auto;
  background: var(--panel); border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 12px 14px; box-shadow: 0 -6px 20px rgba(0,0,0,.35);
}
.fd-head { display: flex; align-items: center; gap: 8px; }
.fd-head b { flex: 1; font-size: 14px; }
.fd-kind { padding: 2px 8px; border-radius: 10px; font-size: 10px; color: var(--bg); background: var(--ink-dim); }
.fd-kind.fk-anchor { background: var(--accent); } .fd-kind.fk-death { background: var(--danger); }
.fd-kind.fk-dialogue { background: #5d7bb0; } .fd-kind.fk-choice { background: var(--accent-2); }
.fd-close { background: none; border: 0; color: var(--ink-dim); font-size: 15px; cursor: pointer; }
.fd-meta { margin: 4px 0; }
.fd-summary { margin: 6px 0 10px; font-size: 13px; line-height: 1.5; color: var(--ink); }
.fd-sect { font: 600 10px var(--ui); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-faint); margin: 8px 0 4px; }
.fd-flag { font: 12px var(--mono); margin: 3px 0; }
.fd-row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 6px 0; }
.chip {
  background: var(--panel-2); border: 1px solid var(--line-2); color: var(--ink);
  border-radius: 12px; padding: 3px 9px; font: 11px var(--mono); cursor: pointer;
}
.chip:hover { border-color: var(--accent); }
.chip-warn { border-color: var(--danger); color: var(--danger); }

/* ---------- bottom nav (mobile) ---------- */
.tabs-bottom { display: none; }

@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; }
  /* keep both panels usable when stacked */
  #tab-pixel .split { grid-auto-rows: minmax(240px, 1fr); }
}

@media (max-width: 640px) {
  #app { padding: 8px 8px 0; }
  .tabs-top, .meta-chip { display: none; }
  header { padding-bottom: 8px; }
  main { padding-bottom: 0; }
  .tabs-bottom {
    display: flex; position: sticky; bottom: 0; margin: 0 -8px;
    background: var(--bg-2); border-top: 1px solid var(--line);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .tabs-bottom .tab {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
    background: none; border: none; color: var(--ink-dim);
    padding: 7px 0 9px; font-size: 10px; font-family: var(--ui); cursor: pointer;
  }
  .tabs-bottom .tab .ico { font-size: 17px; line-height: 1; }
  .tabs-bottom .tab.active { color: var(--accent); }
  .ctl { padding: 7px 12px; font-size: 13px; }   /* bigger touch targets */
  .panel-bar { min-height: 48px; }
}