@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500&family=Syne:wght@700&display=swap");

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

:root {
  --bg: #07070a;
  --bg2: #0d0d12;
  --s1: #0d0d12;
  --s2: #131318;
  --s3: #18181f;
  --s4: #1e1e27;
  --b1: rgba(255, 255, 255, 0.05);
  --b2: rgba(255, 255, 255, 0.1);
  --b3: rgba(255, 255, 255, 0.18);
  --tx: #d2cfc9;
  --mu: #4c4a56;
  --mu2: #6a6876;
  --ac: #c9a84c;
  --ac2: #e8c96e;
  --acl: rgba(201, 168, 76, 0.13);
  --rd: #cc5555;
  --gn: #55cc88;
  --mono: "JetBrains Mono", monospace;
  --sans: "Syne", sans-serif;
  --fs0: 13px;
  --fs1: 14px;
  --fs2: 16px;
  --fs3: 18px;
  --p: 14px;
  --ih: 38px;
  --rail: 100px;
  --pw: 260px;
  --bar: 70px;
  --r: 4px;
}

html,
body {
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--tx);
  font-family: var(--mono);
  overflow: hidden;
  font-size: var(--fs1);
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
#app {
  display: grid;
  grid-template-areas: "rail panel canvas" "rail bar bar";
  grid-template-columns: var(--rail) var(--pw) 1fr;
  grid-template-rows: 1fr auto;
  width: 100vw;
  height: 100vh;
}

/* ── Rail ── */
#rail {
  grid-area: rail;
  background: var(--s1);
  border-right: 1px solid var(--b1);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
  gap: 8px;
  z-index: 30;
}

.tab {
  width: 72px;
  height: 72px;
  border-radius: var(--r);
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--mu);
  transition:
    color 0.14s,
    background 0.14s;
  padding: 0;
  flex-shrink: 0;
}

.tab:hover {
  color: var(--mu2);
  background: var(--s2);
}

.tab.on {
  color: var(--ac);
  background: var(--acl);
}

.tab-lbl {
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  margin-top: 2px;
}

/* ── Panel ── */
#panel {
  grid-area: panel;
  background: var(--s1);
  border-right: 1px solid var(--b1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.pane {
  display: none;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

.pane.on {
  display: flex;
}

/* ── Full-page panes (Learn / Guide) ── */
.pane.page-pane {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--bg);
  display: none;
  flex-direction: column;
  align-items: center;
}

.pane.page-pane.on {
  display: flex;
}

.pane.page-pane .ph {
  width: 100%;
  max-width: 820px;
  border-bottom: 1px solid var(--b1);
  padding: 28px 32px 20px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.pane.page-pane .ph-text {
  flex: 1;
}

.pane.page-pane .pb {
  width: 100%;
  max-width: 820px;
  padding: 20px 32px 80px;
  overflow-y: auto;
}

.pane.page-pane .sec {
  padding: 20px 0;
  border-bottom: 1px solid var(--b1);
}

.pane.page-pane .sec:last-child {
  border-bottom: none;
}

.pane.page-pane .sl {
  margin-bottom: 12px;
  font-size: 12px;
}

.pane.page-pane p {
  color: var(--mu2);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.pane.page-pane p:last-child {
  margin-bottom: 0;
}

.pane.page-pane strong {
  color: var(--tx);
}

.pane.page-pane code {
  background: var(--s3);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--ac);
  font-size: 14px;
}

.pane.page-pane .hl {
  color: var(--ac2);
  font-weight: 500;
}

.pane.page-pane .hl2 {
  color: #7ec8e3;
  font-weight: 500;
}

.pane.page-pane h3 {
  color: var(--ac2);
  font-family: var(--sans);
  font-size: 20px;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.pane.page-pane ul {
  color: var(--mu2);
  font-size: 15px;
  line-height: 1.8;
  padding-left: 20px;
  margin-bottom: 12px;
}

.pane.page-pane li {
  margin-bottom: 6px;
}

.pane.page-pane li strong {
  color: var(--tx);
}

.page-close {
  background: none;
  border: 1px solid var(--b2);
  color: var(--mu2);
  cursor: pointer;
  padding: 6px 14px;
  border-radius: var(--r);
  font-size: 12px;
  font-family: var(--mono);
  white-space: nowrap;
  transition:
    color 0.15s,
    border-color 0.15s;
  flex-shrink: 0;
  margin-left: 20px;
}

.page-close:hover {
  color: var(--tx);
  border-color: var(--b3);
}

/* ── Canvas Tip ── */
.canvas-tip {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--s2);
  color: var(--tx);
  font-size: 12px;
  padding: 10px 16px;
  border-radius: 4px;
  border: 1px solid var(--b2);
  z-index: 10;
  pointer-events: none;
  transition: opacity 2s;
  text-align: left;
  white-space: normal;
  width: 100%;
  display: flex;
  justify-content: center;
}

.canvas-tip.hidden {
  opacity: 0;
}

/* ── Panel Header & Body ── */
.ph {
  padding: var(--p) var(--p) calc(var(--p) * 0.65);
  border-bottom: 1px solid var(--b1);
  flex-shrink: 0;
  min-width: 0;
  overflow: hidden;
}

.ph h2 {
  font-family: var(--sans);
  font-size: var(--fs2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ac2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ph p {
  font-size: var(--fs0);
  color: var(--mu2);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pb {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--b2) transparent;
  padding: var(--p);
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.1vw, 18px);
  min-height: 0;
}

.pb::-webkit-scrollbar {
  width: 3px;
}

.pb::-webkit-scrollbar-thumb {
  background: var(--b2);
  border-radius: 2px;
}

/* ── Section ── */
.sec {
  display: flex;
  flex-direction: column;
  gap: clamp(4px, 0.4vw, 7px);
  padding: 16px 0;
  border-bottom: 1px solid var(--b1);
}

.sl {
  font-size: var(--fs0);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mu);
  padding-bottom: clamp(3px, 0.28vw, 5px);
  border-bottom: 1px solid var(--b1);
  white-space: nowrap;
}

.sl.collapsible {
  cursor: pointer;
  user-select: none;
}

.sl.collapsible::after {
  content: " ▼";
  font-size: 0.7em;
  opacity: 0.5;
}

.sl.collapsed::after {
  content: " ▶";
}

.sec-content {
  display: flex;
  flex-direction: column;
  gap: clamp(4px, 0.4vw, 7px);
}

/* ── Advanced Section ── */
.adv-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  cursor: pointer;
  font-size: var(--fs0);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ac);
  user-select: none;
  background: var(--s2);
  border-radius: var(--r);
  margin: 12px 0 8px;
}

.adv-toggle:hover {
  background: var(--s3);
}

.adv-body {
  padding: 0 12px 12px;
}

/* ── Fields ── */
.f {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.fr {
  display: flex;
  gap: clamp(4px, 0.38vw, 6px);
}

.fr .f {
  flex: 1;
  min-width: 0;
}

.f label,
.fl {
  font-size: var(--fs0);
  color: var(--mu2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.field-desc {
  font-size: 10px;
  font-weight: 500;
  color: var(--ac);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
  padding: 2px 0;
}

.fr .f {
  gap: 4px;
}

.fr .f .field-desc {
  padding: 0;
  margin-bottom: -2px;
}

.fr .f label {
  text-align: center;
  font-size: 11px;
}

input[type="number"],
input[type="text"],
select {
  background: var(--s3);
  border: 1px solid var(--b1);
  color: var(--tx);
  font-family: var(--mono);
  font-size: var(--fs1);
  padding: 0 clamp(5px, 0.42vw, 7px);
  border-radius: var(--r);
  width: 100%;
  height: var(--ih);
  outline: none;
  transition:
    border-color 0.14s,
    background 0.14s;
  -moz-appearance: textfield;
  min-width: 0;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

input[type="number"]:focus,
input[type="text"]:focus,
select:focus {
  border-color: var(--ac);
  background: var(--s4);
}

select option {
  background: var(--s2);
}

textarea {
  width: 100%;
  font-family: var(--mono);
  font-size: var(--fs0);
  padding: clamp(5px, 0.42vw, 7px);
  border: 1px solid var(--b1);
  border-radius: var(--r);
  background: var(--s3);
  color: var(--tx);
  resize: vertical;
  outline: none;
  line-height: 1.65;
  min-height: 72px;
  display: block;
  min-width: 0;
  transition: border-color 0.14s;
}

textarea:focus {
  border-color: var(--ac);
}

.err-t {
  font-size: var(--fs0);
  color: var(--rd);
  padding: 2px 0;
  word-break: break-word;
}

.ok-t {
  font-size: var(--fs0);
  color: var(--gn);
  padding: 2px 0;
}

/* ── Range ── */
.rr {
  display: flex;
  align-items: center;
  gap: clamp(5px, 0.42vw, 7px);
}

.rr span {
  font-size: var(--fs1);
  color: var(--tx);
  min-width: clamp(26px, 2.2vw, 34px);
  text-align: right;
  flex-shrink: 0;
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 2px;
  background: var(--b2);
  border-radius: 1px;
  outline: none;
  cursor: pointer;
  flex: 1;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: clamp(11px, 0.95vw, 13px);
  height: clamp(11px, 0.95vw, 13px);
  border-radius: 50%;
  background: var(--ac);
  cursor: pointer;
  transition: transform 0.12s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ac);
  border: none;
  cursor: pointer;
}

/* ── Buttons ── */
.br {
  display: flex;
  gap: clamp(4px, 0.38vw, 6px);
  flex-wrap: wrap;
}

.btn {
  font-family: var(--mono);
  font-size: var(--fs0);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0 clamp(8px, 0.7vw, 12px);
  border-radius: var(--r);
  cursor: pointer;
  border: 1px solid var(--b2);
  background: transparent;
  color: var(--mu2);
  transition:
    color 0.14s,
    background 0.14s,
    border-color 0.14s;
  height: var(--ih);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  flex-shrink: 0;
}

.btn:hover {
  color: var(--tx);
  background: var(--s3);
  border-color: var(--b3);
}

.btn.pri,
.btn.primary {
  background: var(--ac);
  color: var(--bg);
  border-color: var(--ac);
  font-weight: 500;
}

.btn.pri:hover,
.btn.primary:hover {
  background: var(--ac2);
  border-color: var(--ac2);
}

.btn.danger {
  background: var(--rd);
  color: var(--bg);
  border-color: var(--rd);
}

.btn.danger:hover {
  background: #aa2222;
  border-color: #aa2222;
}

.btn.ghost {
  border-color: var(--b2);
  color: var(--tx);
}

.btn.ghost:hover {
  background: var(--s3);
}

.btn.dng {
  border-color: rgba(204, 85, 85, 0.2);
  color: var(--rd);
}

.btn.dng:hover {
  background: rgba(204, 85, 85, 0.1);
}

.btn.on {
  background: var(--acl);
  border-color: var(--ac);
  color: var(--ac);
}

.btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

.btn.icon {
  padding: 0 8px;
  width: var(--ih);
  justify-content: center;
}

.btn.icon.active {
  background: var(--ac);
  color: var(--bg);
  border-color: var(--ac);
}

/* ── Symmetry Buttons ── */
.sym-opts {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sym-btn {
  font-family: var(--mono);
  font-size: var(--fs0);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 8px 12px;
  border-radius: var(--r);
  cursor: pointer;
  border: 1px solid var(--b1);
  background: var(--s3);
  color: var(--mu2);
  transition:
    color 0.14s,
    background 0.14s,
    border-color 0.14s;
  text-align: left;
  width: 100%;
}

.sym-btn:hover {
  color: var(--tx);
  background: var(--s4);
  border-color: var(--b2);
}

.sym-btn.on {
  background: var(--acl);
  border-color: var(--ac);
  color: var(--ac);
}

/* ── Pills ── */
.pills {
  display: flex;
  gap: 3px;
  flex-wrap: wrap;
}

.pl {
  font-family: var(--mono);
  font-size: var(--fs0);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: clamp(2px, 0.22vw, 4px) clamp(6px, 0.52vw, 9px);
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid var(--b1);
  background: transparent;
  color: var(--mu2);
  transition:
    color 0.14s,
    background 0.14s,
    border-color 0.14s;
  white-space: nowrap;
}

.pl-stretch {
  flex: 1;
  justify-content: center;
}

.pl:hover {
  color: var(--tx);
  background: var(--s3);
  border-color: var(--b2);
}

.pl.on {
  background: var(--s3);
  border-color: var(--ac);
  color: var(--ac);
}

/* ── Toggle ── */
.trow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 0;
  gap: 8px;
}

.trow .tl {
  font-size: var(--fs1);
  color: var(--tx);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex: 1;
}

.tsw {
  position: relative;
  width: clamp(28px, 2.3vw, 34px);
  height: clamp(15px, 1.25vw, 18px);
  cursor: pointer;
  flex-shrink: 0;
}

.tsw input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.ttr {
  position: absolute;
  inset: 0;
  background: var(--s4);
  border: 1px solid var(--b2);
  border-radius: 20px;
  transition:
    background 0.17s,
    border-color 0.17s;
}

.tsw input:checked + .ttr {
  background: var(--ac);
  border-color: var(--ac);
}

.tth {
  position: absolute;
  top: 2px;
  left: 2px;
  width: clamp(11px, 0.9vw, 14px);
  height: clamp(11px, 0.9vw, 14px);
  background: var(--bg);
  border-radius: 50%;
  transition: transform 0.17s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.tsw input:checked ~ .tth {
  transform: translateX(clamp(12px, 0.95vw, 16px));
}

/* ── Color Wheel ── */
.cpw {
  display: flex;
  justify-content: center;
  margin-bottom: clamp(4px, 0.38vw, 7px);
}

.cpw canvas {
  cursor: crosshair;
  border-radius: 50%;
  border: 1px solid var(--b2);
  width: clamp(100px, 9vw, 124px);
  height: clamp(100px, 9vw, 124px);
}

.cpprev {
  height: clamp(12px, 1vw, 15px);
  border-radius: 3px;
  margin-top: 4px;
  border: 1px solid var(--b2);
}

.palette-bar {
  height: 24px;
  border-radius: var(--r);
  border: 1px solid var(--b2);
  overflow: hidden;
}

.hsr {
  display: flex;
  align-items: center;
  gap: clamp(4px, 0.38vw, 6px);
  margin-top: 2px;
}

.hsr .rl {
  font-size: var(--fs0);
  color: var(--mu2);
  width: clamp(8px, 0.72vw, 11px);
  flex-shrink: 0;
}

.hsr input[type="range"] {
  flex: 1;
}

.hsr span {
  font-size: var(--fs0);
  color: var(--tx);
  min-width: clamp(22px, 1.9vw, 30px);
  text-align: right;
}

/* ── Presets ── */
.pc-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.pc {
  background: var(--s3);
  border: 1px solid var(--b1);
  border-radius: var(--r);
  padding: clamp(5px, 0.48vw, 8px) clamp(7px, 0.65vw, 10px);
  cursor: pointer;
  transition:
    border-color 0.13s,
    background 0.13s;
}

.pc:hover {
  border-color: var(--b2);
  background: var(--s4);
}

.pc.on {
  border-color: var(--ac);
  background: var(--s4);
}

.pc-name {
  font-size: var(--fs1);
  color: var(--tx);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pc-desc {
  font-size: var(--fs0);
  color: var(--mu2);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Debugger ── */
#dbg-output {
  background: var(--s3);
  border: 1px solid var(--b1);
  border-radius: var(--r);
  padding: clamp(5px, 0.42vw, 7px);
  font-size: var(--fs0);
  color: var(--tx);
  line-height: 1.65;
  max-height: 160px;
  overflow-y: auto;
  font-family: var(--mono);
  white-space: pre-wrap;
  word-break: break-all;
  scrollbar-width: thin;
  scrollbar-color: var(--b2) transparent;
}

.dbg-err {
  color: var(--rd);
}

.dbg-ok {
  color: var(--gn);
}

.dbg-step {
  color: var(--mu2);
}

.dbg-stats {
  background: var(--s3);
  border: 1px solid var(--b1);
  border-radius: var(--r);
  padding: clamp(6px, 0.52vw, 10px);
}

.dbg-stats .trow {
  display: flex;
  justify-content: space-between;
  font-size: var(--fs0);
  padding: 2px 0;
}

.dbg-stats .tl {
  color: var(--mu2);
}

.dbg-stats span:last-child {
  color: var(--tx);
  font-family: var(--mono);
}

.dbg-logs {
  background: var(--s3);
  border: 1px solid var(--b1);
  border-radius: var(--r);
  padding: clamp(6px, 0.52vw, 10px);
  font-size: var(--fs0);
  color: var(--mu2);
  max-height: 120px;
  overflow-y: auto;
}

/* ── Builder ── */
.fb-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(4px, 0.38vw, 7px);
}

#tile-progress {
  font-size: var(--fs0);
  color: var(--mu);
  margin-top: 2px;
}

.code-preview {
  background: var(--s3);
  border: 1px solid var(--b1);
  border-radius: var(--r);
  padding: 6px;
  font-size: var(--fs0);
  color: var(--ac2);
  line-height: 1.65;
  min-height: 40px;
  font-family: var(--mono);
  word-break: break-all;
  overflow: hidden;
}

/* ── Canvas ── */
#cv-area {
  grid-area: canvas;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

#c {
  display: block;
  image-rendering: pixelated;
  cursor: crosshair;
  transform-origin: center center;
}

#zbadge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  font-size: var(--fs0);
  color: var(--mu);
  background: rgba(7, 7, 10, 0.75);
  padding: 4px 10px;
  border-radius: 3px;
  pointer-events: none;
}

/* ── Bottom Bar ── */
#bar {
  grid-area: bar;
  background: var(--s1);
  border-top: 1px solid var(--b1);
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 20px;
}

#bar-btns {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

#bar-btns .btn {
  font-size: 13px;
  padding: 10px 16px;
  height: auto;
}

#bar-mid {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

#prog-wrap {
  height: 4px;
  background: var(--b1);
  border-radius: 2px;
  overflow: hidden;
  flex-shrink: 0;
}

#prog {
  height: 100%;
  background: var(--ac);
  width: 0%;
  border-radius: 2px;
  transition: width 0.12s ease-out;
}

#bar-status {
  font-size: var(--fs0);
  color: var(--mu);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#bar-status.run {
  color: var(--ac);
}

#bar-right {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

#thr-info {
  font-size: var(--fs0);
  color: var(--mu);
  white-space: nowrap;
}

#stats-toggle.on {
  background: var(--acl);
  border-color: var(--ac);
  color: var(--ac);
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: clamp(68px, 6.2vw, 82px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--s4);
  border: 1px solid var(--b2);
  color: var(--tx);
  font-family: var(--mono);
  font-size: var(--fs1);
  padding: 6px 16px;
  border-radius: var(--r);
  z-index: 9999;
  pointer-events: none;
  transition: opacity 0.3s;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

/* ── Render Stats Panel ── */
#render-stats-panel {
  position: fixed;
  top: 10px;
  right: 20px;
  background: rgba(13, 13, 18, 0.98);
  border: 1px solid var(--b2);
  border-radius: 8px;
  padding: 0;
  min-width: 280px;
  width: 320px;
  max-width: 90vw;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--tx);
  z-index: 100;
  overflow: hidden;
  max-height: 80vh;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

#render-stats-panel.show {
  display: block;
}

#render-stats-panel.dragging {
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.7);
  opacity: 0.95;
}

#render-stats-panel.minimized {
  min-height: auto;
  max-height: none;
}

#render-stats-panel.minimized .panel-content {
  display: none;
}

.stats-section {
  border-top: 1px solid var(--b1);
  margin: 12px 0;
  padding-top: 12px;
  font-size: 12px;
  color: var(--mu2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#rst-time,
#rst-progress,
#rst-hits {
  margin-bottom: 8px;
  color: var(--tx);
}

/* ── Worker Stats ── */
.worker-stat {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--b1);
  font-size: 13px;
}

.worker-stat:last-child {
  border-bottom: none;
}

.worker-stat-id {
  color: var(--ac);
  min-width: 40px;
  font-weight: bold;
}

.worker-stat-info {
  color: var(--mu2);
  text-align: right;
}

.worker-done {
  color: var(--gn);
}

.worker-active {
  color: var(--ac);
}

.worker-idle {
  color: var(--mu);
}

/* ── Stats Threads Slider ── */
.stats-threads {
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--b1);
}

.stats-threads-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--mu2);
  margin-bottom: 6px;
}

.stats-threads-label span:last-child {
  color: var(--tx);
  font-family: var(--mono);
}

.stats-threads input[type="range"] {
  width: 100%;
  height: 4px;
  -webkit-appearance: none;
  background: var(--s3);
  border-radius: 2px;
  cursor: pointer;
}

.stats-threads input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--ac);
  border-radius: 50%;
  cursor: pointer;
}

/* ── Floating Panels ── */
.floating-panel {
  position: fixed;
  background: rgba(13, 13, 18, 0.98);
  border: 1px solid var(--b2);
  border-radius: 8px;
  min-width: 280px;
  max-width: 400px;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  z-index: 100;
  transition:
    box-shadow 0.2s,
    opacity 0.15s;
}

.floating-panel.dragging {
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.7);
  opacity: 0.95;
  cursor: grabbing;
}

.floating-panel.minimized {
  min-height: auto;
}

.floating-panel.minimized .panel-content {
  display: none;
}

.floating-panel.hidden {
  display: none !important;
}

/* ── Quick Controls Panel ── */
#quick-controls-panel {
  top: 240px;
  right: 20px;
  min-width: 220px;
  max-width: 260px;
  z-index: 200;
}

.qm-section {
  margin-bottom: 14px;
}

.qm-section:last-child {
  margin-bottom: 0;
}

.qm-label {
  font-size: 11px;
  color: var(--mu2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--b1);
}

.qm-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.qm-row label {
  font-size: 11px;
  color: var(--tx);
  min-width: 70px;
  flex-shrink: 0;
}

.qm-rr {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 6px;
}

.qm-rr input[type="range"] {
  flex: 1;
  height: 3px;
  -webkit-appearance: none;
  background: var(--b2);
  border-radius: 2px;
  cursor: pointer;
}

.qm-rr input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ac);
  cursor: pointer;
}

.qm-rr span {
  font-size: 11px;
  color: var(--tx);
  min-width: 36px;
  text-align: right;
  font-family: var(--mono);
}

.qm-sym-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.qm-sym {
  padding: 6px 4px;
  background: var(--s3);
  border: 1px solid var(--b1);
  border-radius: 3px;
  color: var(--mu2);
  font-family: var(--mono);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.14s;
}

.qm-sym:hover {
  background: var(--s4);
  border-color: var(--b2);
}

.qm-sym.on {
  background: var(--acl);
  border-color: var(--ac);
  color: var(--ac);
}

.qm-render-btn {
  width: 100%;
  padding: 12px;
  background: var(--ac);
  border: 1px solid var(--ac);
  border-radius: var(--r);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.14s;
  margin: 10px 0;
}

.qm-render-btn:hover {
  background: var(--ac2);
  border-color: var(--ac2);
}

.qm-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.qm-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px 8px;
  background: transparent;
  border: 1px solid var(--b1);
  border-radius: var(--r);
  color: var(--tx);
  font-family: var(--mono);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.14s;
  text-align: center;
}

.qm-btn:hover {
  background: var(--s3);
  border-color: var(--b2);
}

/* ── Panel Header / Drag Handle ── */
.panel-drag-handle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: var(--s2);
  border-bottom: 1px solid var(--b1);
  cursor: grab;
  user-select: none;
  min-height: 40px;
}

.panel-drag-handle:active {
  cursor: grabbing;
}

.panel-title {
  font-size: 12px;
  color: var(--ac);
  font-weight: bold;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.panel-controls {
  display: flex;
  gap: 4px;
}

.panel-btn {
  background: none;
  border: none;
  color: var(--mu);
  cursor: pointer;
  padding: 4px 6px;
  font-size: 12px;
  border-radius: var(--r);
  transition:
    color 0.14s,
    background 0.14s;
}

.panel-btn:hover {
  color: var(--tx);
  background: var(--s3);
}

/* ── Panel Content ── */
.panel-content {
  padding: 12px;
  overflow-y: auto;
  max-height: calc(80vh - 40px);
  scrollbar-width: thin;
  scrollbar-color: var(--b2) transparent;
}

.panel-content::-webkit-scrollbar {
  width: 4px;
}

.panel-content::-webkit-scrollbar-thumb {
  background: var(--b2);
  border-radius: 2px;
}

/* ── Adaptive Tuning ── */
.at-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  transition: color 0.14s;
}

.at-toggle:hover {
  color: var(--mu2);
}

.at-toggle.open {
  color: var(--ac);
  border-bottom-color: var(--acl);
}

.at-chevron {
  font-size: 11px;
  color: var(--mu);
  transition:
    transform 0.2s cubic-bezier(0.4, 0, 0.2, 1),
    color 0.14s;
  flex-shrink: 0;
}

.at-toggle.open .at-chevron {
  transform: rotate(90deg);
  color: var(--ac);
}

.at-body {
  display: flex;
  flex-direction: column;
  gap: clamp(7px, 0.65vw, 11px);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition:
    max-height 0.28s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.2s ease;
  pointer-events: none;
}

.at-body.open {
  max-height: 640px;
  opacity: 1;
  pointer-events: auto;
  padding-top: clamp(5px, 0.45vw, 8px);
}

.at-label {
  font-size: var(--fs0);
  color: var(--mu2);
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.at-hint {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid var(--b2);
  font-size: 10px;
  color: var(--mu);
  cursor: help;
  flex-shrink: 0;
  transition:
    border-color 0.13s,
    color 0.13s;
  line-height: 1;
}

.at-hint:hover {
  border-color: var(--ac);
  color: var(--ac);
}

.at-scale-row {
  display: flex;
  gap: 4px;
  margin-top: 3px;
}

.at-scale {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid var(--b1);
  background: transparent;
  color: var(--mu);
  transition:
    color 0.14s,
    background 0.14s,
    border-color 0.14s;
  white-space: nowrap;
}

.at-scale:hover {
  color: var(--tx);
  background: var(--s3);
  border-color: var(--b2);
}

.at-scale.on {
  background: var(--s3);
  border-color: var(--ac);
  color: var(--ac);
}

#at-status {
  transition: color 0.2s;
}

#at-status.ok {
  color: var(--gn);
}

#at-status.busy {
  color: var(--ac);
}

/* ── Mode Toggle ── */
#mode-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--s2);
  border-radius: var(--r);
  margin-bottom: 12px;
}

#mode-toggle .mode-label {
  font-size: 11px;
  color: var(--mu2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

#mode-toggle .mode-btn {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid var(--b1);
  background: transparent;
  color: var(--mu2);
  transition: all 0.14s;
}

#mode-toggle .mode-btn:hover {
  color: var(--tx);
  background: var(--s3);
}

#mode-toggle .mode-btn.active {
  background: var(--ac);
  border-color: var(--ac);
  color: var(--bg);
}

/* ── Mobile Warning ── */
#mobile-warning {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.9);
  z-index: 9999;
}

#mobile-warning.show {
  display: flex;
}

body.mobile-blocked #app {
  display: none;
}

body.mobile-blocked {
  overflow: hidden;
}

.warn-box {
  max-width: 400px;
}