/*
 * fairyground application stylesheet.
 *
 * Design tokens live on :root and can be overridden by UI themes
 * (assets/theme-ui-<id>.css), which are loaded at runtime.
 */

:root {
  --font-ui: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono:
    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", monospace;
  --console-font: var(--font-mono);

  --bg: #f6f4ef;
  --surface: #ffffff;
  --surface2: #f0ede6;
  --border: #e3dfd6;
  --border2: #d3cec3;
  --text: #1d1b17;
  --muted: #6f6a60;
  --faint: #a39e94;
  --accent: #1f7a86;
  --accent-hover: #196a75;
  --accent-ink: #ffffff;
  --accent-soft: #dff0f2;
  --accent-soft2: #c3e3e6;
  --good: #3a8a4c;
  --bad: #b8452f;
  --warn: #b7791f;
  --shadow: 0 1px 2px rgba(20, 18, 12, 0.06), 0 6px 20px rgba(20, 18, 12, 0.06);
  --r: 10px;
  --rc: 14px;
  --control-h: 40px;
  --topbar-h: 60px;
  --surface-alpha: 1;
  color-scheme: light;
}

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

/* Self-hosted web fonts (SIL Open Font License 1.1, see fonts/LICENSE-webfonts.txt).
   No requests to third-party font services are made. */
@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("./fonts/Manrope-latin.woff2") format("woff2");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212,
    U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("./fonts/Manrope-latin-ext.woff2") format("woff2");
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304,
    U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB,
    U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("./fonts/JetBrainsMono-latin.woff2") format("woff2");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212,
    U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("./fonts/JetBrainsMono-latin-ext.woff2") format("woff2");
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304,
    U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB,
    U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "FontAwesome";
  src:
    url("./fonts/FontAwesome.woff2") format("woff2"),
    url("./fonts/FontAwesome.woff") format("woff"),
    url("./fonts/FontAwesome.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
}

html,
body,
#root {
  min-height: 100%;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  transition:
    background-color 0.5s linear,
    color 0.2s linear;
}

body {
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

[hidden] {
  display: none !important;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.mono {
  font-family: var(--font-mono);
}

/* ---------- page backgrounds (UI themes) ---------- */

.backgroundimg {
  content: "";
  position: fixed;
  inset: 0;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.pagebackground {
  position: fixed;
  inset: 0;
  background-color: transparent;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: top left;
  overflow: hidden;
  z-index: -100;
}

.pagebackgroundcanvas {
  position: fixed;
  inset: 0;
  background-color: transparent;
  overflow: hidden;
  z-index: -50;
}

.background-canvas {
  position: absolute;
  top: 0;
  left: 0;
}

#tempbackground1,
#tempbackground2 {
  transition: opacity 1s ease-in-out 0s;
  background-color: transparent;
  opacity: 0;
}

#tempbackground1.show,
#tempbackground2.show {
  opacity: 1;
}

/* ---------- generic controls ---------- */

button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: var(--control-h);
  padding: 0 14px;
  border-radius: var(--r);
  border: 1px solid var(--border2);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  font-size: 13.5px;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background-color 0.15s,
    border-color 0.15s,
    color 0.15s;
}

button:hover,
.btn:hover {
  background: var(--surface2);
  text-decoration: none;
  color: var(--text);
}

button:active {
  background: var(--border);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

button.primary:hover {
  background: var(--accent-hover);
}

button.soft {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
  color: var(--accent);
}

button.danger {
  background: transparent;
  border-color: var(--bad);
  color: var(--bad);
}

button.ghost,
.btn.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}

button.ghost:hover,
.btn.ghost:hover {
  background: var(--surface2);
  color: var(--text);
}

button.iconbtn,
.iconbtn {
  width: var(--control-h);
  padding: 0;
}

button.sm,
.btn.sm {
  height: 32px;
  padding: 0 10px;
  font-size: 12.5px;
  border-radius: 8px;
}

button.sm.iconbtn {
  width: 32px;
}

button svg,
.btn svg {
  flex: none;
}

svg.icon {
  display: inline-block;
  vertical-align: middle;
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="search"],
textarea {
  display: inline-flex;
  align-items: center;
  height: var(--control-h);
  padding: 0 12px;
  border-radius: var(--r);
  border: 1px solid var(--border2);
  background: var(--surface);
  color: var(--text);
  font-size: 13.5px;
  min-width: 0;
  max-width: 100%;
}

input[type="number"],
input.mono,
textarea.mono {
  font-family: var(--font-mono);
  font-size: 12.5px;
}

textarea {
  height: auto;
  min-height: 120px;
  padding: 10px 12px;
  resize: vertical;
  line-height: 1.5;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

input:invalid {
  border-color: var(--bad);
  box-shadow: 0 0 0 2px rgba(184, 69, 47, 0.18);
}

input::placeholder {
  color: var(--faint);
  opacity: 1;
}

select {
  -webkit-appearance: none;
  appearance: none;
  display: inline-flex;
  align-items: center;
  height: var(--control-h);
  padding: 0 34px 0 12px;
  border-radius: var(--r);
  border: 1px solid var(--border2);
  background-color: var(--surface);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236f6a60' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='m6 9 6 6 6-6'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  color: var(--text);
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  min-width: 0;
  max-width: 100%;
  text-overflow: ellipsis;
}

select.sm {
  height: 34px;
  font-size: 12.5px;
  padding-right: 30px;
}

select option,
select optgroup {
  color: var(--text);
  background: var(--surface);
  font-weight: normal;
}

input[type="file"] {
  font-size: 12.5px;
  color: var(--muted);
  max-width: 100%;
}

input[type="file"]::file-selector-button {
  height: 32px;
  padding: 0 10px;
  margin-right: 10px;
  border-radius: 8px;
  border: 1px solid var(--border2);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  font-size: 12.5px;
  cursor: pointer;
}

/* checkboxes rendered as switches */

input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  flex: none;
  width: 36px;
  height: 22px;
  border-radius: 11px;
  background: var(--border2);
  position: relative;
  cursor: pointer;
  vertical-align: middle;
  transition: background-color 0.15s;
}

input[type="checkbox"]::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  transition: left 0.15s;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

input[type="checkbox"]:checked {
  background: var(--accent);
}

input[type="checkbox"]:checked::after {
  left: 17px;
}

input[type="checkbox"]:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

input[type="checkbox"].box {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 1.5px solid var(--border2);
  background: var(--surface);
}

input[type="checkbox"].box::after {
  display: none;
}

input[type="checkbox"].box:checked {
  background: var(--accent);
  border-color: var(--accent);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><path d='m20 6-11 11-5-5'/></svg>");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

label.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  min-height: 28px;
}

label.toggle > span {
  min-width: 0;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border2);
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--accent);
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--accent);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.field > input,
.field > select {
  width: 100%;
}

.label {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.sect {
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.secthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.hr {
  height: 1px;
  background: var(--border);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nums {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.nums.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hint {
  font-size: 12.5px;
  color: var(--muted);
}

.hint.warn {
  color: var(--bad);
  font-weight: 700;
}

.help {
  cursor: pointer;
  color: var(--accent);
  font-weight: 700;
}

.help:hover {
  text-decoration: underline;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  border-radius: 13px;
  font-size: 11.5px;
  font-weight: 700;
  background: var(--surface2);
  color: var(--muted);
  white-space: nowrap;
}

.pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warn);
  flex: none;
}

.pill.ready .dot {
  background: var(--good);
}

.pill.failed .dot {
  background: var(--bad);
}

.enginestatus {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex: none;
  cursor: help;
}

.enginestatus .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--warn);
  animation: enginepulse 1.2s ease-in-out infinite;
}

.enginestatus.ready .dot {
  background: var(--good);
  animation: none;
  box-shadow: 0 0 0 3px rgba(58, 138, 76, 0.18);
}

.enginestatus.failed .dot {
  background: var(--bad);
  animation: none;
}

@keyframes enginepulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--rc);
  box-shadow: var(--shadow);
}

.inaccessable {
  user-select: none;
  pointer-events: none;
}

/* ---------- app shell ---------- */

#root {
  font-size: 14px;
}

main.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: var(--topbar-h);
  padding: 8px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-wrap: wrap;
  position: relative;
  z-index: 5;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  color: var(--text);
}

.brand .mark {
  width: 30px;
  height: 30px;
  display: block;
}

.pageswitch {
  display: flex;
  gap: 2px;
  padding: 3px;
  border-radius: var(--r);
  background: var(--surface2);
}

.pageswitch button {
  height: 32px;
  padding: 0 12px;
  border-radius: 8px;
  border-color: transparent;
  background: transparent;
  font-weight: 700;
  font-size: 13px;
  color: var(--muted);
}

.pageswitch button:hover {
  color: var(--text);
  background: rgba(0, 0, 0, 0.04);
}

.pageswitch button.on {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.variantbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 320px;
  min-width: 0;
  flex-wrap: wrap;
}

.varsel {
  display: flex;
  align-items: stretch;
  min-width: 0;
}

.varsel select {
  height: 38px;
}

.varsel select:first-child {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: 0;
  max-width: 150px;
  color: var(--muted);
  font-size: 12.5px;
}

.varsel select:last-child {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  max-width: 220px;
}

.pickbtn {
  height: 38px;
  padding: 0 10px 0 10px;
  gap: 10px;
  max-width: 100%;
}

.pickbtn .picklabel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.1;
  min-width: 0;
}

.pickbtn .picklabel .name {
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
}

.pickbtn .picklabel .type {
  font-size: 10.5px;
  color: var(--muted);
  font-weight: 600;
}

.pickbtn.positionpick .picklabel .name {
  font-size: 13px;
  color: var(--muted);
}

.dialog.picker {
  width: min(640px, 100%);
  height: min(680px, calc(100vh - 32px));
  gap: 12px;
}

.dialog.picker #variantsearch {
  width: 100%;
  height: 44px;
  font-size: 15px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  height: 30px;
  padding: 0 12px;
  border-radius: 15px;
  font-size: 12.5px;
  background: var(--surface2);
  border-color: transparent;
  color: var(--muted);
}

.chip.on {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent-soft2);
}

.pickerlist {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-right: 4px;
}

.pickerlist .groupsect {
  padding: 10px 6px 4px;
}

.pickitem {
  display: flex;
  align-items: center;
  gap: 2px;
}

.pickitem .pickrow {
  flex: 1;
  min-width: 0;
}

button.favbtn {
  flex: none;
  color: var(--faint);
}

button.favbtn.on {
  color: var(--warn);
}

.favbtn.on svg,
.chip.on svg {
  fill: currentColor;
}

.chip {
  gap: 5px;
}

.pickrow {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 3px;
  height: auto;
  min-height: 44px;
  padding: 8px 12px;
  text-align: left;
  white-space: normal;
  border-color: transparent;
  background: transparent;
  font-weight: 500;
}

.pickrow:hover {
  background: var(--surface2);
}

.pickrow.on {
  background: var(--accent-soft);
  border-color: var(--accent-soft2);
}

.pickrow .rowhead {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pickrow .rowhead .name {
  font-weight: 700;
  font-size: 14px;
}

.pickrow .rowhead .id {
  font-size: 11.5px;
  color: var(--faint);
}

.pickrow .rowhead .pill {
  height: 20px;
  font-size: 10.5px;
  margin-left: auto;
}

.pickrow .desc {
  font-size: 12.5px;
  color: var(--muted);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.topactions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.topactions .btn,
.topactions button {
  height: 38px;
}

.topactions .iconbtn {
  width: 38px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 664px) minmax(320px, 1fr);
  gap: 24px;
  padding: 18px 20px 24px;
  flex: 1;
  align-items: start;
}

/* ---------- board column ---------- */

.boardcol {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "topinfo topclock"
    "board board"
    "bottominfo bottomclock"
    "during during"
    "nav nav"
    "notes notes";
  gap: 8px 12px;
  align-items: center;
  width: 100%;
  min-width: 0;
}

.playerbar {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}

.playerbar.top {
  grid-area: topinfo;
}

.playerbar.bottom {
  grid-area: bottominfo;
}

.playerbar .avatar {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  flex: none;
}

.playerbar .name {
  font-weight: 700;
  font-size: 14px;
}

.playerbar .sub {
  font-size: 12px;
  color: var(--muted);
}

#timers {
  display: contents;
}

#blacktimer {
  grid-area: topclock;
}

#whitetimer {
  grid-area: bottomclock;
}

#whitetimer,
#blacktimer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 8px;
  background: var(--surface2);
  color: var(--muted);
  font-family: var(--font-mono);
  min-height: 40px;
  transition: box-shadow 0.2s;
}

#whitetimer > p:first-child,
#blacktimer > p:first-child {
  display: none;
}

#whitetime,
#blacktime {
  font-size: 22px;
  font-weight: 600;
  user-select: none;
  line-height: 1;
}

#whitetimetype,
#blacktimetype {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-ui);
}

.timer-active {
  background: var(--accent-soft) !important;
  color: var(--accent) !important;
  box-shadow: 0 0 0 2px var(--accent-soft2);
}

.time-exceeded {
  color: var(--bad) !important;
}

.time-exceeded:before {
  content: "\f017";
  font-family: FontAwesome;
  font-size: 16px;
  margin-right: 6px;
}

#chessground-container-div {
  grid-area: board;
  justify-self: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 100%;
}

#chessground-container-div > .cg-wrap.pocket-top,
#chessground-container-div > .cg-wrap.pocket-bottom {
  display: block;
  height: auto;
  max-width: 100%;
}

#chessground-container-div > .cg-wrap:not(.pocket-top):not(.pocket-bottom) {
  max-width: 100%;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.22);
}

/* Promotion / gating choice shown on top of the board */
.cg-wrap .promotion-choice {
  position: absolute;
  inset: 0;
  z-index: 20;
  background: rgba(0, 0, 0, 0.45);
  cursor: default;
}

.cg-wrap .promotion-choice-option {
  position: absolute;
  display: block;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.95) 45%,
    rgba(190, 190, 190, 0.95) 100%
  );
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
  cursor: pointer;
  transition:
    border-radius 0.12s ease,
    background 0.12s ease;
}

.cg-wrap .promotion-choice-option:hover,
.cg-wrap .promotion-choice-option:focus-visible {
  border-radius: 8%;
  background: var(--accent);
  outline: none;
}

.cg-wrap .promotion-choice-option piece {
  top: 10%;
  left: 10%;
  width: 80%;
  height: 80%;
  transform: none;
  transition: all 0.12s ease;
}

.cg-wrap .promotion-choice-option:hover piece,
.cg-wrap .promotion-choice-option:focus-visible piece {
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Choice without a piece, e.g. no gating */
.cg-wrap .promotion-choice-option.empty::before,
.cg-wrap .promotion-choice-option.empty::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 25%;
  width: 50%;
  height: 8%;
  border-radius: 999px;
  background: #555;
  transform: translateY(-50%) rotate(45deg);
}

.cg-wrap .promotion-choice-option.empty::after {
  transform: translateY(-50%) rotate(-45deg);
}

#pocket-top {
  display: flex;
  margin-bottom: 12px;
}

#pocket-top.no-inital-pocket-piece {
  display: none;
}

#pocket-top.no-inital-pocket-piece.has-hidden-pocket-piece {
  display: flex;
}

#pocket-top-mini {
  display: flex;
}

#pocket-bottom {
  display: flex;
  margin-top: 12px;
}

#pocket-bottom.no-inital-pocket-piece {
  display: none;
}

#pocket-bottom.no-inital-pocket-piece.has-hidden-pocket-piece {
  display: flex;
}

#pocket-bottom-mini {
  display: flex;
}

#timecontrolduringplay {
  grid-area: during;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.boardnav {
  grid-area: nav;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

#movecontrol {
  display: contents;
}

.navgroup {
  display: flex;
  gap: 4px;
}

#movecontrol #gotomovenum {
  width: 72px;
  text-align: center;
}

.boardnotes {
  grid-area: notes;
}

#reviewmodenote1 {
  font-weight: 700;
  color: var(--warn);
}

#reviewmodenote2 {
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- panel ---------- */

.panel {
  min-width: 0;
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-self: stretch;
}

.tabs {
  display: flex;
  gap: 2px;
  background: var(--surface2);
  border-radius: var(--r);
  padding: 3px;
}

.tabs .tab {
  flex: 1;
  height: 36px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
  padding: 0 8px;
}

.tabs .tab:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text);
}

.tabs .tab.on {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.tabpanel {
  display: none;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.tabpanel.on {
  display: flex;
}

.subsection {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* variant editor tab */

#variantini {
  min-width: 0;
}

#variantini .cm-editor {
  height: 340px;
  resize: vertical;
  overflow: hidden;
  min-height: 160px;
}

.inistatus {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--muted);
}

.inistatus.ok {
  color: var(--good);
}

.inistatus.warn {
  color: var(--warn);
}

.inistatus.error {
  color: var(--bad);
}

.inimessages {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 180px;
  overflow: auto;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface2);
  font-size: 12.5px;
  overflow-wrap: anywhere;
}

.inimessages li.ok {
  color: var(--good);
  font-weight: 700;
}

.inimessages li.error {
  color: var(--bad);
}

.inimessages li.warn {
  color: var(--warn);
}

.inimessages li.clickable {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
}

.inimessages li.clickable:hover {
  text-decoration: underline;
}

.inicontext {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface2);
}

.inihelp {
  flex: 1 1 220px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  font-size: 13px;
}

.inihelphead {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.inihelp .hint,
.inioption .hint {
  overflow-wrap: anywhere;
}

.key {
  font-weight: 700;
  color: var(--text);
  overflow-wrap: anywhere;
}

.betzapreview {
  flex: 0 1 220px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.betzaboard {
  display: grid;
  grid-template-columns: repeat(var(--betza-size), minmax(0, 1fr));
  width: 100%;
  max-width: 220px;
  aspect-ratio: 1;
  border: 1px solid var(--border2);
  border-radius: 6px;
  overflow: hidden;
}

.betzasq {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
}

.betzaboard .betzasq.light {
  background: var(--surface);
}

.betzaboard .betzasq.dark {
  background: var(--border);
}

.betzasq.quiet::after,
.betzasq.both::after {
  content: "";
  width: 36%;
  height: 36%;
  border-radius: 50%;
  background: var(--accent);
}

.betzasq.capture::before,
.betzasq.both::before {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  border: 2px solid var(--bad);
}

.betzasq.hop::after {
  opacity: 0.6;
}

.betzaboard .betzasq.piece {
  background: var(--accent-soft2);
}

.betzalegend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
}

.betzalegend > span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.betzalegend .betzasq {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  background: var(--surface);
  border: 1px solid var(--border2);
}

.inioptionlist {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 280px;
  overflow: auto;
}

button.inioption {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  height: auto;
  padding: 8px 10px;
  text-align: left;
  white-space: normal;
  font-weight: 400;
}

.inioption .rowhead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.inioption .desc {
  font-size: 12.5px;
  color: var(--muted);
}

.myvariants {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.myvariant {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  padding: 4px 4px 4px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r);
}

.myvariant .spacer {
  flex: 1;
}

/* moves tab */

#label-pgn {
  min-height: 160px;
  max-height: 320px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  overflow: auto;
  font-size: 14px;
  background: var(--surface);
}

#label-pgn.larger {
  max-height: 70vh;
  min-height: 360px;
}

#pgndiv {
  display: flex;
  flex-direction: row;
  gap: 6px 8px;
  flex-wrap: wrap;
  align-items: center;
}

#pgndiv .move-number {
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 12px;
}

#pgndiv .text-after,
#pgndiv .text-before {
  font-style: italic;
  white-space: pre-wrap;
  color: var(--muted);
  font-size: 13px;
}

#pgndiv .needs-attention-sign {
  background-color: #fef6d5;
  color: #e96725;
  cursor: default;
  border-radius: 4px;
  padding: 0 4px;
}

.position-display-label {
  cursor: pointer;
  border-radius: 6px;
  padding: 2px 6px;
  font-weight: 600;
}

.position-display-label:hover {
  background-color: var(--surface2);
}

#pgndiv .position-display-label.current-move {
  background-color: var(--accent-soft);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent-soft2);
}

#pgndiv .result {
  color: #fff;
  background-color: var(--bad);
  font-weight: bold;
  border-radius: 4px;
  padding: 0 6px;
}

#pgndiv .hide-subsequent-moves-sign {
  color: #4a7fd6;
  background-color: #e0eeff;
  cursor: pointer;
  border-radius: 4px;
  padding: 0 4px;
}

#pgndiv .marked-result {
  color: #dc362e;
  background-color: #fcebeb;
  cursor: default;
  border-radius: 4px;
  padding: 0 4px;
}

.splitter.mainline {
  width: 100%;
}

.fenrow {
  display: flex;
  align-items: center;
  gap: 6px;
}

.fenrow #currentboardfen {
  flex: 1;
  min-width: 0;
}

#currentboardfen {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface2);
  overflow-x: auto;
  white-space: nowrap;
  min-height: 34px;
}

#positioninfo,
#checkcounts {
  font-size: 12.5px;
  color: var(--muted);
  white-space: pre-line;
}

#positioninfo:empty,
#checkcounts:empty {
  display: none;
}

.pgntools {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pgntools .toolstoggle {
  display: none;
  margin-left: auto;
}

#pgn-operations {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 2px 4px;
  align-items: center;
}

#pgn-operations button {
  height: 32px;
  width: 32px;
  padding: 0;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
}

#pgn-operations button:hover {
  background: var(--surface2);
  border-color: var(--border);
  color: var(--text);
}

#pgn-operations button:disabled {
  color: var(--faint);
}

#pgn-operations .txticon {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
}

#pgn-operations .when-large,
#pgn-operations .larger .when-small {
  display: none;
}

#pgn-operations .larger .when-large {
  display: inline-flex;
}

#pgn-operations span {
  display: inline-flex;
}

#pgn-operations .toolgap {
  width: 1px;
  height: 22px;
  background: var(--border);
  margin: 0 4px;
}

/* analysis toggle */

.analysisbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.analysistoggle {
  height: 44px;
  padding: 0 14px 0 8px;
  gap: 10px;
  border-radius: 22px;
  font-weight: 700;
  font-size: 14px;
}

.analysistoggle .sw {
  width: 40px;
  height: 24px;
  border-radius: 12px;
  background: var(--border2);
  position: relative;
  flex: none;
  transition: background-color 0.15s;
}

.analysistoggle .sw::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
  transition: left 0.15s;
}

.analysistoggle.on {
  background: var(--accent-soft);
  border-color: var(--accent-soft2);
  color: var(--accent);
}

.analysistoggle.on .sw {
  background: var(--accent);
}

.analysistoggle.on .sw::after {
  left: 19px;
}

.analysistoggle .lbl {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* evaluation */

#evaluation {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--surface2);
}

#evalbar {
  width: 100%;
  height: 28px;
  overflow: hidden;
  border-radius: 8px;
  background-color: #2b2925;
  position: relative;
  border: 1px solid var(--border2);
}

#evalbar.xiangqi {
  background-color: #1a1a1a;
}

#evalbar.shogi {
  background-color: #f3f1ea;
}

#evalbar.janggi {
  background-color: #2f4ea3;
}

#evalbar #evalbarprogress {
  float: left;
  height: 100%;
  width: 50%;
  background-color: #f3f1ea;
  transition: width 0.3s;
}

#evalbar.xiangqi #evalbarprogress {
  background-color: #c9302c;
}

#evalbar.shogi #evalbarprogress {
  background-color: #1a1a1a;
}

#evalbar.janggi #evalbarprogress {
  background-color: #c9302c;
}

#evalbar #cp {
  user-select: none;
  color: #e8a33d;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-mono);
  text-shadow:
    0 0 4px rgba(0, 0, 0, 0.8),
    0 0 1px rgba(0, 0, 0, 0.8);
}

#evalinfo {
  white-space: normal;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-mono);
}

.pvmeta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--faint);
  margin: 0 6px 0 4px;
}

#pvinfo {
  white-space: pre-line;
  font-size: 13px;
  line-height: 1.55;
}

#pvinfo:empty {
  display: none;
}

#pvinfo hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 6px 0;
}

.multipv-miniboard-pvline-moves {
  display: flex;
  flex-direction: row;
  gap: 4px 8px;
  flex-wrap: wrap;
}

evalnum {
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent);
}

evalnum:after {
  content: "";
}

spangameresult,
spangameresultmini {
  user-select: none;
  font-size: 1px;
  transition:
    font-size 0.5s linear,
    opacity 0.5s linear;
  font-weight: bold;
  font-family: var(--font-ui);
  white-space: nowrap;
}

/* engine tab */

.sliders {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px 18px;
}

.sliderrow {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sliderhead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.sliderhead .val {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
}

.playerrow {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 8px 12px;
  align-items: center;
}

.playerrow .side {
  font-weight: 800;
}

.playerrow .options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

#binengineinput {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#whiteenginesettings,
#blackenginesettings,
#analysisenginesettings {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

#whiteenginesettings > p,
#blackenginesettings > p {
  flex: 0 0 100%;
  font-weight: 700;
  font-size: 12.5px;
}

#whiteenginesettings input,
#blackenginesettings input {
  flex: 1 1 90px;
}

#whiteunsupportedvariant,
#blackunsupportedvariant,
#analysisunsupportedvariant {
  flex: 0 0 100%;
  color: var(--bad);
  font-weight: 700;
  font-size: 12.5px;
}

#enginematch {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#enginematchsettings {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

#enginematchsettings #enginematchgamecount {
  width: 110px;
}

#enginematchinfo {
  font-weight: 600;
  font-size: 12.5px;
  color: var(--muted);
}

/* setup tab */

#input {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#input #fen,
#input #move {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 12.5px;
}

#boardsetupsettings,
#boardsetupsettings2 {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#boardpiecechange {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

#boardpiecechange #dropdown-setpiece {
  min-width: 120px;
}

.piecepalette {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  flex: 0 0 100%;
}

.palettebtn {
  width: 44px;
  height: 44px;
  padding: 3px;
  border-color: var(--border);
}

.palettebtn.on {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.palettewrap,
.palettewrap .cg-wrap {
  width: 100%;
  height: 100%;
}

.palettewrap .cg-wrap {
  position: relative;
}

.palettewrap piece {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

#pocketpiecechange table {
  border-collapse: collapse;
  font-size: 13px;
}

#pocketpiecechange td {
  padding: 4px 10px;
  border-bottom: 1px solid var(--border);
}

#pocketpiecechange input {
  height: 32px;
  width: 90px;
}

#boardsetupsettings2 > div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
}

#boardsetupsettings2 input[type="number"],
#boardsetupsettings2 input[type="text"] {
  flex: 1 1 140px;
}

#visualeffects,
#gamesettings {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

#gamesettings .fullrow {
  grid-column: 1 / -1;
}

/* engine console (Moves tab, behind the debug switch) */

.enginedebug {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#output2 {
  height: 260px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  overflow: auto;
  font-size: 12px;
  background: var(--surface2);
  font-family: var(--console-font);
  line-height: 1.55;
}

#output2 pre {
  font-family: var(--console-font);
  white-space: pre-wrap;
  word-break: break-word;
}

#enginecmddiv {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

#enginecmddiv #enginecmd {
  flex: 1 1 220px;
  font-family: var(--font-mono);
}

#enginecmddiv #targetengine {
  flex: 0 1 220px;
}

/* ---------- settings drawer & dialogs ---------- */

.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 18, 14, 0.42);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.dialog {
  width: min(720px, 100%);
  max-height: calc(100vh - 32px);
  overflow: auto;
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dialog .dialoghead,
.drawer .dialoghead {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dialog .dialoghead h2,
.drawer .dialoghead h2 {
  font-size: 20px;
  font-weight: 800;
  flex: 1;
}

.dialogfoot {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

#advancedtimesettings {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

#whitetimesettings,
#blacktimesettings {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

#whitetimesettings > p,
#blacktimesettings > p {
  flex: 0 0 100%;
  font-weight: 800;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

#whitetimesettings select,
#blacktimesettings select {
  flex: 1 1 140px;
}

#whitetimesettings input,
#blacktimesettings input {
  flex: 1 1 140px;
}

.sliders.timecontrol {
  flex: 0 0 100%;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

#whitetimesettings .sliderrow input,
#blacktimesettings .sliderrow input {
  flex: none;
  height: 4px;
}

#gamecontrol-start {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
}

#gamecontrol-start > p {
  font-size: 12.5px;
  color: var(--accent);
  cursor: pointer;
  font-weight: 600;
}

#gamecontrol-start > p:hover {
  text-decoration: underline;
}

.drawerbackdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 18, 14, 0.32);
  z-index: 900;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(460px, 100%);
  z-index: 901;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: auto;
  border-radius: 0;
  border-right: 0;
}

.setting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 40px;
}

.setting > span:first-child {
  font-weight: 600;
  flex: 1 1 40%;
}

.setting > select,
.setting > .withbtn {
  flex: 0 1 230px;
  max-width: 60%;
}

.setting .withbtn {
  display: flex;
  gap: 6px;
  align-items: center;
  min-width: 0;
}

.setting .withbtn select {
  flex: 1;
  min-width: 0;
}

.setting input[type="range"] {
  flex: 0 1 200px;
}

.filerow {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filerow .filename {
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}

#misc {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#misc > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12.5px;
  color: var(--muted);
}

#pageheader {
  display: none;
}

.internals {
  display: none;
}

/* ---------- move selection dialog ---------- */

#moveselectiondialog {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: min(620px, calc(100vw - 32px));
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 14px 16px;
  background-color: var(--surface);
  color: var(--text);
  border: 1px solid var(--border2);
  border-radius: var(--rc);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#moveselectiondialog #moveslectdiv {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

#moveselectiondialog #moveslectdiv > p {
  font-weight: 800;
}

#moveselectiondialog #movefilters {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#moveselectiondialog #movefilters > p {
  font-size: 12.5px;
  color: var(--muted);
}

#moveselectiondialog #searchresultinfo {
  font-weight: 700;
  color: var(--text);
}

#moveselectiondialog #availablemovelist {
  min-width: 160px;
}

#moveselectiondialog #movesearchfilter {
  width: 160px;
}

#separatormoveselectiondialog,
#separatorsearchresult {
  border: 0;
  border-top: 1px solid var(--border);
}

#moveselectiondialog label.toggle {
  font-size: 13px;
}

/* ---------- feature popups (created by JS) ---------- */

#enginesettingspopup,
#enginemanagementpopup,
#enginesetuppopup,
#loadsavedgamespopup {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2;
  background-color: var(--surface);
  color: var(--text);
  overflow: auto;
  padding: 24px;
}

#enginesettingspopup-background,
#enginemanagementpopup-background,
#enginesetuppopup-background,
#loadsavedgamespopup-background {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2;
  background-color: var(--bg);
  overflow: hidden;
}

#enginesettingspopup div,
#enginemanagementpopup div,
#enginesetuppopup div,
#loadsavedgamespopup div {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 6px 8px;
  align-items: center;
}

#enginesettingspopup button,
#enginemanagementpopup button,
#enginesetuppopup button,
#loadsavedgamespopup button {
  height: 34px;
  padding: 0 12px;
  font-size: 13px;
  margin: 3px 4px;
}

#enginesettingspopup input[type="text"],
#enginemanagementpopup input[type="text"],
#enginesetuppopup input[type="text"],
#loadsavedgamespopup input[type="text"],
#enginesettingspopup input[type="number"],
#enginemanagementpopup input[type="number"],
#enginesetuppopup input[type="number"],
#loadsavedgamespopup input[type="number"] {
  height: 34px;
  margin: 3px 4px;
}

#enginesettingspopup select,
#enginemanagementpopup select,
#enginesetuppopup select,
#loadsavedgamespopup select {
  height: 34px;
  margin: 3px 4px;
}

#loadsavedgamespopup table {
  border-collapse: collapse;
  font-size: 12.5px;
  margin-top: 10px;
}

#loadsavedgamespopup th,
#loadsavedgamespopup td {
  padding: 4px 8px;
  border-color: var(--border2) !important;
}

#loadsavedgamespopup caption {
  font-weight: 700;
  padding: 6px;
  border-color: var(--border2) !important;
}

/* ---------- mini board ---------- */

#chessground-mini {
  position: absolute;
  display: flex;
  flex-direction: row;
  gap: 6px;
  top: -10000px;
  left: -10000px;
  z-index: 20;
  user-select: none;
  background: transparent;
}

#chessground-mini-board-wrapper-div {
  padding: 10px;
  height: fit-content;
  width: fit-content;
  background-color: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  touch-action: none;
  user-select: none;
}

#chessground-mini-board-operation-div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

#chessground-mini-container-div {
  pointer-events: none;
}

#chessground-mini-board-operation-div button {
  width: 40px;
  height: 40px;
  padding: 0;
  display: block;
  background: var(--surface);
}

#chessground-mini-board-operation-div button:before {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  font-family: FontAwesome;
  font-size: 18px;
  cursor: pointer;
}

#lockminiboard:before {
  color: #0078d7;
  content: "\f13e";
}

.locked #lockminiboard:before {
  color: #ff4500;
  content: "\f023";
}

#pinminiboard:before {
  color: #228b22;
  content: "\f0f6";
}

.pinned #pinminiboard:before {
  color: #663399;
  content: "\f2d0";
}

#setpositiontomainboard:before {
  color: #c99700;
  content: "\f002";
}

#closeminiboard:before {
  color: #dc143c;
  content: "\f00d";
}

/* ---------- board setup helpers ---------- */

#boardsetuppieceidentifier {
  position: fixed;
  display: none;
  z-index: 19;
  opacity: 0.7;
  pointer-events: none;
  user-select: none;
}

#fakewrap {
  width: 100px;
  height: 100px;
}

#fakepiece {
  width: 100px;
  height: 100px;
}

.delete-piece:before {
  content: "\f1f8";
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100px;
  height: 100px;
  background-color: crimson;
  color: white;
  font-family: FontAwesome;
  font-size: 60px;
  border: 10px solid #000;
}

.move-piece:before {
  content: "\f047";
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100px;
  height: 100px;
  background-color: grey;
  color: white;
  font-family: FontAwesome;
  font-size: 60px;
  border: 10px solid #000;
}

#themedetectorcontainer {
  position: absolute;
  top: -999px;
  left: -999px;
  width: 100px;
  height: 100px;
  z-index: -1000;
  display: none;
}

/* ---------- popups (image generator, pgn headers, ...) ---------- */

div.popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(640px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  background-color: var(--surface);
  color: var(--text);
  z-index: 998;
  overflow-y: auto;
  border: 1px solid var(--border2);
  border-radius: var(--rc);
  padding: 20px 22px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

div.popup.hidden {
  display: none;
}

div.popup > div,
#terminationsettings > div {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

div.popup > div > p,
#terminationsettings > div > p {
  font-weight: 600;
  font-size: 13px;
}

div.popup p.title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 4px;
}

div.popup input[type="number"] {
  width: 110px;
}

div.popup input[type="text"] {
  width: 260px;
}

div.popup textarea {
  width: 100%;
}

#pgntextinput {
  min-height: 200px;
}

#imagegeneratoractions,
#pgnheadercontrol,
#pgnsymbolscontrol,
#pgntextcontrol {
  justify-content: flex-end;
}

#imagegenerationprogress {
  font-size: 12.5px;
  color: var(--muted);
}

#terminationsettings {
  position: absolute;
  padding: 14px 16px;
  width: max-content;
  max-width: calc(100vw - 32px);
  height: max-content;
  top: -10000px;
  left: -10000px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background-color: var(--surface);
  color: var(--text);
  z-index: 10;
  overflow: hidden;
  border: 1px solid var(--border2);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

#terminationsettings > p {
  font-weight: 800;
  white-space: nowrap;
}

#statuscommentarysymbols {
  display: grid;
  grid-auto-flow: row;
  grid-gap: 6px 14px;
  grid-template-columns: 1fr 1fr;
}

/* ---------- move context menu ---------- */

.ctxmenu {
  position: fixed;
  z-index: 1000;
  min-width: 220px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.ctxmenu button {
  height: 36px;
  justify-content: flex-start;
  border-color: transparent;
  background: transparent;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13px;
}

.ctxmenu button:hover {
  background: var(--surface2);
}

#label-pgn .position-display-label {
  -webkit-touch-callout: none;
  user-select: none;
}

/* ---------- legacy hooks kept for compatibility ---------- */

.ripple {
  position: relative;
}

div.ripple-wrapper {
  display: none;
}

/* ---------- responsive ---------- */

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
  }

  .panel {
    width: 100%;
    max-width: 760px;
  }

  .boardcol {
    width: 100%;
    max-width: 760px;
  }
}

@media (max-width: 720px) {
  :root {
    --control-h: 44px;
  }

  html {
    font-size: 15px;
  }

  .topbar {
    padding: 8px 12px;
    gap: 8px;
  }

  .brand span.text {
    display: none;
  }

  .variantbar {
    order: 3;
    flex: 1 1 100%;
  }

  .pickbtn.variantpick {
    flex: 1 1 auto;
    justify-content: flex-start;
  }

  .pickbtn.positionpick {
    flex: 1 1 200px;
    justify-content: flex-start;
  }

  .pickbtn .picklabel .name {
    max-width: none;
  }

  .topactions .btn.text,
  .topactions .newgame span {
    display: none;
  }

  .topactions .newgame {
    width: 38px;
    padding: 0;
  }

  .layout {
    padding: 12px 12px 90px;
    gap: 16px;
  }

  .boardcol {
    gap: 6px 10px;
  }

  /* player bars only carry information while a game runs */
  main.mode-analysis .playerbar,
  main.mode-setup .playerbar {
    display: none;
  }

  .playerbar {
    min-height: 32px;
  }

  .playerbar .avatar {
    width: 24px;
    height: 24px;
  }

  .playerbar .sub {
    display: none;
  }

  #whitetimer,
  #blacktimer {
    min-height: 32px;
    padding: 2px 10px;
  }

  /* one row of board navigation */
  .boardnav {
    gap: 4px;
    flex-wrap: nowrap;
  }

  .navgroup {
    gap: 4px;
  }

  .boardnav button {
    width: 40px;
    height: 40px;
    padding: 0;
  }

  .boardnav #currentposition,
  .boardnav .txt {
    display: none;
  }

  /* PGN tools collapsed behind a toggle */
  .pgntools .toolstoggle {
    display: inline-flex;
  }

  #pgn-operations.collapsed {
    display: none;
  }

  #whitetime,
  #blacktime {
    font-size: 18px;
  }

  .panel {
    padding: 12px 12px 14px;
  }

  .tabs {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    border-radius: 0;
    border-top: 1px solid var(--border);
    background: var(--surface);
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
    gap: 4px;
  }

  .tabs .tab {
    height: 48px;
    flex-direction: column;
    gap: 2px;
    font-size: 11px;
  }

  .tabs .tab.on {
    background: var(--accent-soft);
    color: var(--accent);
    box-shadow: none;
  }

  .nums {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sliders {
    grid-template-columns: minmax(0, 1fr);
  }

  #visualeffects,
  #gamesettings {
    grid-template-columns: minmax(0, 1fr);
  }

  .playerrow {
    grid-template-columns: minmax(0, 1fr);
  }

  #moveselectiondialog {
    right: 8px;
    left: 8px;
    bottom: 76px;
    width: auto;
  }

  .drawer {
    width: 100%;
  }

  .dialog {
    padding: 18px 16px;
  }
}