/* Drone configurator (configurator/index.html). Builds on style.css: colours, fonts, header, footer, buttons. */

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.site-nav a[aria-current="page"] {
  color: var(--accent);
}

/* ---------- Intro ---------- */

.cfg-intro {
  padding-block: clamp(2rem, 1.2rem + 3vw, 3.5rem) clamp(1.25rem, 1rem + 1vw, 2rem);
}

.cfg-intro__inner {
  display: grid;
  gap: 20px;
}

.cfg-intro .kicker {
  margin-bottom: 12px;
}

.cfg-title {
  font-size: clamp(2.1rem, 1.4rem + 3vw, 3.4rem);
  font-weight: 750;
  font-stretch: 108%;
  line-height: 1.02;
  letter-spacing: -0.015em;
}

.cfg-lead {
  max-width: 44em;
  margin-top: 14px;
  color: var(--muted);
  font-size: clamp(1rem, 0.96rem + 0.25vw, 1.12rem);
}

.cfg-intro__tools {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
}

.cfg-intro__tools .field {
  flex: 1 1 260px;
  max-width: 420px;
}

.cfg-intro__import {
  white-space: nowrap;
}

@media (min-width: 1060px) {
  .cfg-intro__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 40px;
  }
  .cfg-intro__tools {
    flex-wrap: nowrap;
    justify-content: flex-end;
  }
  .cfg-intro__tools .field {
    flex: 0 1 300px;
  }
}

/* ---------- Form bits ---------- */

.field {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.field--grow {
  width: 100%;
}

.field__label {
  color: var(--text-2);
  font-size: 0.85rem;
  font-weight: 600;
}

.field__hint {
  color: var(--faint);
  font-weight: 400;
}

.field__control {
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--field);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  line-height: 1.3;
}

.field__control:hover {
  border-color: #666;
}

.field__control:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

select.field__control {
  appearance: none;
  padding-right: 36px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}

select.field__control option,
select.field__control optgroup {
  background: #1d1d1d;
  color: var(--text);
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  color: var(--text-2);
  font-size: 0.93rem;
  cursor: pointer;
}

.check input {
  width: 18px;
  height: 18px;
  margin: 0;
  flex: none;
  accent-color: var(--accent);
  cursor: pointer;
}

.check--strong {
  color: var(--text);
  font-weight: 600;
}

.btn--small {
  min-height: 40px;
  padding: 8px 14px;
  font-size: 0.9rem;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}

button {
  font: inherit;
}

.icon-btn--small {
  width: 36px;
  height: 36px;
  border-radius: 4px;
}

.icon-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.icon-btn:disabled:hover {
  border-color: var(--border-strong);
  background: var(--panel);
}

.cfg-note {
  padding: 10px 14px;
  border-left: 3px solid var(--accent-dim);
  background: rgba(255, 187, 0, 0.05);
  color: var(--text-2);
  font-size: 0.92rem;
}

.cfg-note--problem {
  border-left-color: var(--danger);
}

/* ---------- Layout ---------- */

.cfg {
  display: grid;
  gap: 20px;
  padding-bottom: clamp(3rem, 2rem + 4vw, 5rem);
}

.cfg-loading {
  padding: 60px 0;
  color: var(--muted);
  font-family: var(--mono);
  text-align: center;
}

.cfg-stage {
  display: grid;
  gap: 12px;
  align-content: start;
  min-width: 0;
}

.cfg-panel {
  display: grid;
  gap: 18px;
  align-content: start;
  min-width: 0;
}

@media (min-width: 1060px) {
  .cfg {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

/* Sticky 3D panel: it never grows past the screen. With many checks the viewer gives up height first (down to
   its minimum), then the check list scrolls inside the panel, so problems stay in view while the right column
   scrolls. */
@media (min-width: 1060px) and (min-height: 560px) {
  .cfg-stage {
    position: sticky;
    top: calc(var(--header-h) + 16px);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - var(--header-h) - 32px);
  }
  .cfg-stage > .viewer {
    flex: 0 4 auto;
    min-height: 240px;
  }
  .cfg-stage > .keystats {
    flex: none;
  }
  .cfg-stage > .checks {
    display: flex;
    flex: 0 1 auto;
    flex-direction: column;
    min-height: 96px;
  }
  .cfg-stage .checks__status {
    flex: none;
  }
  .cfg-stage .checks__list {
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-color: #444 transparent;
    scrollbar-width: thin;
  }
  .cfg-stage .checks__list.has-more {
    -webkit-mask-image: linear-gradient(to bottom, #000 calc(100% - 36px), transparent);
    mask-image: linear-gradient(to bottom, #000 calc(100% - 36px), transparent);
  }
  .cfg-stage .checks__list:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }
}

@media (min-width: 1240px) {
  .cfg {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

/* ---------- Viewer ---------- */

.viewer {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  max-height: 62vh;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse at 50% 38%, rgba(255, 187, 0, 0.07), transparent 62%),
    linear-gradient(180deg, #202020 0%, #161616 100%);
}

@media (min-width: 1060px) {
  .viewer {
    max-height: calc(100vh - var(--header-h) - 250px);
    min-height: 320px;
  }
}

.viewer::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 4px);
}

.viewer__canvas-wrap {
  position: absolute;
  inset: 0;
  touch-action: none;
}

.viewer__canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
}

.viewer__canvas:active {
  cursor: grabbing;
}

.viewer__canvas:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -3px;
}

.viewer__fallback {
  position: absolute;
  inset: auto 16px 50% 16px;
  transform: translateY(50%);
  color: var(--muted);
  text-align: center;
}

.viewer__name {
  position: absolute;
  top: 12px;
  left: 14px;
  right: 120px;
  overflow: hidden;
  color: var(--text-2);
  font: 600 0.72rem/1.4 var(--mono);
  letter-spacing: 0.12em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
  pointer-events: none;
}

.viewer__tools {
  position: absolute;
  right: 10px;
  bottom: 10px;
  z-index: 1;
  display: flex;
  gap: 6px;
}

.viewer__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 40px;
  min-height: 40px;
  padding: 6px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: rgba(18, 18, 18, 0.85);
  color: var(--text);
  font: 600 0.72rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.viewer__btn:hover {
  border-color: var(--accent);
}

.viewer__btn[aria-pressed="true"],
.viewer__btn[aria-expanded="true"] {
  border-color: var(--accent);
  color: var(--accent);
}

/* Narrow screens: the screenshot button keeps only its icon, so the toolbar stays on one line. */
@media (max-width: 479px) {
  .viewer__btn-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
}

/* Screenshot menu: opens upwards from the toolbar, anchored to its right edge. */
.viewer__menu {
  position: absolute;
  right: 0;
  bottom: calc(100% + 6px);
  display: grid;
  gap: 2px;
  width: min(300px, calc(100vw - 2 * var(--gutter) - 20px));
  padding: 4px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: rgba(18, 18, 18, 0.96);
  box-shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.9);
}

.viewer__menu-item {
  display: grid;
  gap: 3px;
  padding: 9px 12px;
  border: 0;
  border-radius: 4px;
  background: none;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.viewer__menu-item:hover,
.viewer__menu-item:focus-visible {
  background: var(--panel-hi);
}

.viewer__menu-item:focus-visible {
  outline-offset: -2px;
}

@media (max-width: 359px) {
  .viewer__menu-hint {
    display: none;
  }
}

.viewer__menu-title {
  font-weight: 700;
  line-height: 1.25;
}

.viewer__menu-hint {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.35;
}

.toast-host {
  position: fixed;
  left: 50%;
  bottom: 20px;
  z-index: 70;
  width: max-content;
  max-width: calc(100vw - 2 * var(--gutter));
  transform: translateX(-50%);
  pointer-events: none;
}

.toast {
  padding: 11px 16px;
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--gate);
  border-radius: 4px;
  background: #151515;
  box-shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.9);
  font-size: 0.93rem;
  animation: toast-in 0.25s var(--ease-out);
}

.toast.is-warn {
  border-left-color: var(--accent);
}

.toast.is-bad {
  border-left-color: var(--danger);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .toast {
    animation: none;
  }
}

/* ---------- Key stats and checks ---------- */

.keystats {
  container-type: inline-size;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--border);
}

.keystat {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  grid-column: span 2;
  min-width: 0;
  padding: 10px 12px;
  background: var(--panel-2);
}

.keystat:nth-child(n + 4) {
  grid-column: span 3;
}

@media (min-width: 560px) {
  .keystats {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .keystat,
  .keystat:nth-child(n + 4) {
    grid-column: auto;
  }
}

.keystat dt {
  color: var(--faint);
  font: 600 0.68rem/1.3 var(--mono);
  letter-spacing: 0.1em;
  overflow-wrap: anywhere;
  text-transform: uppercase;
}

.keystat dd {
  margin: 4px 0 0;
  font-size: clamp(1.1rem, 0.9rem + 0.8vw, 1.35rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  white-space: nowrap;
}

/* Five figures in one row: the values scale with the row, so "1,322.1 g" still fits next to the narrow 3D panel
   between 1060 and 1240 px. */
@media (min-width: 560px) {
  .keystat dd {
    font-size: clamp(0.95rem, 4.6cqi - 6px, 1.35rem);
  }
}

@media (min-width: 1060px) and (max-width: 1239px) {
  .keystat dt {
    letter-spacing: 0.05em;
  }
}

.stat__unit {
  color: var(--muted);
  font-size: 0.72em;
  font-weight: 500;
}

.checks {
  display: grid;
  gap: 8px;
}

.checks__status {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 600 0.8rem/1.3 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.checks__led {
  width: 10px;
  height: 10px;
  flex: none;
  border-radius: 50%;
  background: var(--gate);
  box-shadow: 0 0 10px rgba(91, 200, 91, 0.6);
}

.checks__status.is-ok {
  color: var(--gate);
}

.checks__status.is-warn {
  color: var(--accent);
}

.checks__status.is-warn .checks__led {
  background: var(--accent);
  box-shadow: 0 0 10px rgba(255, 187, 0, 0.55);
}

.checks__status.is-bad {
  color: var(--danger);
}

.checks__status.is-bad .checks__led {
  background: var(--danger);
  box-shadow: 0 0 10px rgba(242, 102, 94, 0.55);
}

.checks__list {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.93rem;
}

.checks__list li {
  position: relative;
  padding: 7px 12px 7px 32px;
  border-radius: 4px;
  background: var(--panel-2);
  color: var(--text-2);
}

.checks__list li::before {
  position: absolute;
  left: 11px;
  top: 7px;
  font-family: var(--mono);
  font-weight: 700;
}

.checks__list li.is-bad {
  background: rgba(242, 102, 94, 0.09);
}

.checks__list li.is-bad::before {
  content: "✕";
  color: var(--danger);
}

.checks__list li.is-warn::before {
  content: "!";
  color: var(--accent);
}

.checks__tag {
  margin-right: 8px;
  padding: 1px 6px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  color: var(--muted);
  font: 600 0.66rem/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  vertical-align: 1px;
}

/* ---------- Banner ---------- */

.banner-host:empty {
  display: none;
}

.banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 10px 10px 10px 14px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--gate);
  border-radius: 4px;
  background: var(--panel);
  font-size: 0.93rem;
}

.banner > span {
  flex: 1 1 200px;
}

.banner.is-warn {
  border-left-color: var(--accent);
}

.banner.is-bad {
  border-left-color: var(--danger);
}

.banner__btn {
  min-height: 36px;
  padding: 4px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.banner__btn:hover {
  border-color: var(--accent);
}

.banner__close {
  min-width: 36px;
  font-size: 1.2rem;
  line-height: 1;
}

/* ---------- Tabs ---------- */

.tabs-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--field);
}

.tabs-bar [role="tab"] {
  min-height: 44px;
  padding: 8px 6px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}

.tabs-bar [role="tab"]:hover {
  color: var(--text);
  background: var(--panel-hi);
}

.tabs-bar [role="tab"][aria-selected="true"] {
  background: var(--accent);
  color: var(--on-accent);
}

.tab-panel {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.panel-intro {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- Part slots ---------- */

.slots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

@media (min-width: 560px) {
  .slots {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.slot {
  display: grid;
  gap: 2px;
  min-height: 58px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--panel-2);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}

.slot:hover {
  border-color: #5a5a5a;
  background: var(--panel-hi);
}

.slot.is-active {
  border-color: var(--accent);
  background: #2a2618;
}

.slot__label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--faint);
  font: 600 0.66rem/1.3 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.slot.is-active .slot__label {
  color: var(--accent);
}

.slot__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.slot.is-bad .slot__dot {
  background: var(--danger);
}

.slot__value {
  overflow: hidden;
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.25;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* ---------- Picker ---------- */

.picker {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel-2);
}

@media (min-width: 700px) {
  .picker {
    padding: 18px;
  }
}

.picker__title {
  font-size: 1.25rem;
  font-weight: 700;
}

.picker__current {
  padding: 12px 14px;
  border: 1px solid var(--border-soft);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  background: var(--field);
}

.picker__current-label {
  color: var(--accent);
  font: 600 0.66rem/1.3 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.picker__current-name {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
  font-weight: 700;
}

.picker__current .part-help__summary {
  margin-top: 4px;
  font-size: 0.9rem;
}

.picker__more {
  margin-top: 6px;
}

.picker__more summary {
  min-height: 32px;
  padding-top: 4px;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
}

.badge {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  color: var(--muted);
  font: 600 0.62rem/1.5 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge--jmp {
  border-color: var(--accent-dim);
  color: var(--accent);
}

.part-help {
  margin-top: 6px;
  font-size: 0.9rem;
}

.part-help__summary {
  color: var(--text-2);
}

.part-help__list,
.part-help__use {
  display: grid;
  gap: 2px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.part-help__list li,
.part-help__use li {
  position: relative;
  padding-left: 18px;
  color: var(--text-2);
}

.part-help__list li::before,
.part-help__use li::before {
  position: absolute;
  left: 0;
  font-family: var(--mono);
  font-weight: 700;
}

.part-help__fact {
  color: var(--muted) !important;
  font-family: var(--mono);
  font-size: 0.85em;
}

.part-help__fact::before {
  content: "·";
}

.part-help__pro::before {
  content: "+";
  color: var(--gate);
}

.part-help__con::before {
  content: "−";
  color: var(--danger);
}

.part-help__use li {
  color: var(--muted);
}

.part-help__use li::before {
  content: "→";
  color: var(--faint);
}

.picker__tools {
  display: grid;
  gap: 10px;
}

.picker__search-wrap {
  position: relative;
}

.picker__search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--faint);
  pointer-events: none;
}

.picker__search {
  padding-left: 36px;
}

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

.chip {
  min-height: 36px;
  padding: 5px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--text-2);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s, color 0.2s;
}

.chip:hover {
  border-color: var(--accent);
  color: var(--text);
}

.chip[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-accent);
}

.picker__count:empty {
  display: none;
}

.picker__count {
  color: var(--muted);
  font-size: 0.9rem;
}

.part-list {
  display: grid;
  gap: 4px;
  max-height: min(60vh, 520px);
  margin-inline: -4px;
  padding: 2px 4px;
  overflow-y: auto;
  scrollbar-color: #444 transparent;
}

@media (min-width: 1060px) {
  .part-list {
    max-height: min(62vh, 640px);
    overscroll-behavior: contain;
  }
}

.part-group {
  display: grid;
  gap: 4px;
}

.part-group + .part-group {
  margin-top: 10px;
}

.part-group__title {
  margin: 4px 0 2px;
  color: var(--faint);
  font: 600 0.68rem/1.3 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.part {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) auto;
  align-items: start;
  gap: 10px;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: var(--field);
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s;
}

.part:hover {
  border-color: #555;
  background: #1c1c1c;
}

.part:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.part.is-selected {
  border-color: var(--accent);
  background: #262214;
}

.part__fit {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font: 700 0.7rem/1 var(--mono);
}

.part.is-ok .part__fit {
  border: 1.5px solid rgba(91, 200, 91, 0.7);
}

.part.is-ok .part__fit::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gate);
}

.part.is-selected .part__fit {
  border-color: var(--accent);
}

.part.is-selected .part__fit::before {
  width: 8px;
  height: 8px;
  background: var(--accent);
}

.part.is-warn .part__fit {
  border: 1.5px solid var(--accent);
  color: var(--accent);
}

.part.is-warn .part__fit::before {
  content: "!";
}

.part.is-bad .part__fit {
  border: 1.5px solid rgba(242, 102, 94, 0.8);
  color: var(--danger);
}

.part.is-bad .part__fit::before {
  content: "✕";
  font-size: 0.6rem;
}

.part.is-bad .part__name {
  color: var(--muted);
}

.part__main {
  display: grid;
  gap: 1px;
  min-width: 0;
}

.part__name {
  font-weight: 600;
  line-height: 1.3;
}

.part__facts {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.01em;
}

.part__issue {
  color: #e08a84;
  font-size: 0.8rem;
}

.part.is-warn .part__issue {
  color: #d9ad4a;
}

/* Floating tip next to a part (pointer and keyboard focus, wide screens) */
.part-tip {
  position: fixed;
  z-index: 60;
  width: min(340px, 90vw);
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: #151515;
  box-shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.9);
  pointer-events: none;
  font-size: 0.9rem;
}

.part-tip__name {
  font-weight: 700;
}

.part-tip__label {
  margin-top: 10px;
  color: var(--accent);
  font: 600 0.66rem/1.3 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.part-tip__delta {
  display: grid;
  gap: 2px;
  margin: 4px 0 0;
}

.part-tip__delta div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.part-tip__delta dt {
  color: var(--muted);
}

.part-tip__delta dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.part-tip__delta dd.is-up {
  color: var(--gate);
}

.part-tip__delta dd.is-down {
  color: var(--danger);
}

/* ---------- Cards ---------- */

.cfg-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel-2);
}

@media (min-width: 700px) {
  .cfg-card {
    padding: 20px 22px;
  }
}

.cfg-card__title {
  font-size: 1.35rem;
  font-weight: 750;
}

.cfg-card__intro {
  color: var(--muted);
  font-size: 0.9rem;
}

/* Wrapping flex row instead of a grid: the figures of the last row stretch across it, so there is never an empty
   grey cell after the last one (13 figures). */
.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  background: var(--border-soft);
}

.stat {
  display: flex;
  flex: 1 1 190px;
  flex-direction: column;
  justify-content: space-between;
  gap: 4px;
  min-width: 0;
  padding: 9px 12px;
  background: var(--field);
}

.stat dt {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.3;
}

.stat dd {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* ---------- Paint ---------- */

.paint-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
}

.paint-rows {
  --chip-w: 30px;
  --chip-h: 20px;
  --finish-w: 24px;
  --chip-gap: 4px;
  display: grid;
  gap: 4px;
}

@media (pointer: coarse) {
  .paint-rows {
    --chip-w: 34px;
    --chip-h: 28px;
    --finish-w: 30px;
  }
}

.paint-row {
  display: grid;
  gap: 8px;
  padding: 8px 10px 12px;
  border-radius: 4px;
  background: var(--panel-2);
}

.paint-row.is-painted {
  box-shadow: inset 3px 0 0 var(--accent);
}

.paint-row.is-off {
  opacity: 0.6;
}

.paint-row__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 36px;
  align-items: center;
  gap: 10px;
}

.paint-row__label {
  display: grid;
  min-width: 0;
}

.paint-row__name {
  font-weight: 600;
  line-height: 1.3;
}

.paint-row__hint {
  overflow: hidden;
  color: var(--faint);
  font-size: 0.8rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.paint-row__hex {
  color: var(--muted);
  font-size: 0.78rem;
  text-align: right;
}

/* Swatches: 16 dyes (8 × 2), then the 5 finishes and the custom colour, drawn like the chips of the paint screen. */
.swatches {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px 14px;
}

.swatches__dyes,
.swatches__finishes {
  display: grid;
  gap: var(--chip-gap);
}

.swatches__dyes {
  flex: 0 1 auto;
  grid-template-columns: repeat(8, minmax(0, var(--chip-w)));
}

.swatches__side {
  display: grid;
  gap: var(--chip-gap);
}

.swatches__finishes {
  grid-template-columns: repeat(5, var(--finish-w));
}

.swatch {
  position: relative;
  width: 100%;
  height: var(--chip-h);
  padding: 0;
  border: 1px solid #0b0b0b;
  border-radius: 2px;
  background: linear-gradient(var(--hi), var(--hi)) top / 100% 2px no-repeat, var(--c);
  cursor: pointer;
}

.swatch--finish {
  background:
    linear-gradient(var(--hi), var(--hi)) top / 100% 33% no-repeat,
    linear-gradient(var(--lo), var(--lo)) bottom / 100% 2px no-repeat,
    var(--c);
}

.swatch--carbon {
  background: repeating-conic-gradient(var(--weave) 0 25%, var(--c) 0 50%) 0 0 / 6px 6px;
}

.swatch:not([aria-checked="true"]):hover {
  outline: 1px solid rgba(255, 255, 255, 0.63);
  outline-offset: 1px;
}

.swatch[aria-checked="true"] {
  z-index: 1;
  box-shadow: 0 0 0 2px var(--accent);
}

.swatch:focus-visible {
  z-index: 2;
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

.swatch-custom-wrap {
  position: relative;
}

.swatch-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: var(--chip-h);
  padding: 0 10px 0 0;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  background: var(--field);
  color: var(--text-2);
  font-size: 0.78rem;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
}

.swatch-custom:hover {
  border-color: var(--accent);
}

.swatch-custom:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

.swatch-custom[aria-checked="true"] {
  border-color: var(--accent);
  color: var(--accent);
}

.swatch-custom__chip {
  flex: none;
  align-self: stretch;
  width: var(--finish-w);
  margin: -1px 0 -1px -1px;
  border: 1px solid #0b0b0b;
  border-radius: 3px 0 0 3px;
  background: linear-gradient(var(--hi), var(--hi)) top / 100% 2px no-repeat, var(--c);
}

.swatch-custom__input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
}

.swatch-tip {
  position: fixed;
  z-index: 60;
  display: grid;
  gap: 1px;
  max-width: 220px;
  padding: 6px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: #151515;
  box-shadow: 0 10px 24px -10px rgba(0, 0, 0, 0.9);
  pointer-events: none;
  font-size: 0.82rem;
  line-height: 1.35;
}

.swatch-tip__name {
  font-weight: 700;
}

.swatch-tip__hex {
  color: var(--faint);
  font-size: 0.74rem;
}

.swatch-tip__hint {
  color: var(--muted);
  font-size: 0.76rem;
}

/* ---------- Tune ---------- */

.tune-groups {
  display: grid;
  gap: 14px;
}

.tune-group {
  display: grid;
  gap: 6px;
  min-width: 0;
  margin: 0;
  padding: 12px 14px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel-2);
}

.tune-group legend {
  padding: 0 6px;
  color: var(--accent);
  font: 600 0.74rem/1.3 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tune {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(120px, 170px) 36px;
  align-items: center;
  gap: 8px;
}

.tune__label {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  color: var(--text-2);
  font-size: 0.92rem;
}

.tune__mark {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--accent);
}

.tune.is-changed .tune__label {
  color: var(--text);
  font-weight: 600;
}

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

.tune__input .field__control {
  min-height: 38px;
  padding: 6px 8px;
  font-family: var(--mono);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.tune__input select.field__control {
  font-family: var(--font);
}

.tune__unit {
  flex: none;
  color: var(--faint);
  font-size: 0.75rem;
  white-space: nowrap;
}

.tune-check {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

.tune-note {
  color: var(--muted);
  font-size: 0.85rem;
}

.tune-table {
  display: grid;
  gap: 4px;
  margin: 4px 0;
}

.tune-table__head,
.tune-table__row {
  display: grid;
  grid-template-columns: 52px repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: 6px;
}

.tune-table__head span {
  color: var(--faint);
  font: 600 0.66rem/1.2 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tune-table__axis {
  color: var(--text-2);
  font-size: 0.85rem;
  font-weight: 600;
}

.tune-table .tune {
  grid-template-columns: minmax(0, 1fr) 28px;
  gap: 2px;
}

.tune-table .tune__label {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.tune-table .tune.is-changed .tune__input .field__control {
  border-color: var(--accent-dim);
  box-shadow: inset 3px 0 0 var(--accent);
}

.tune-table .tune__unit {
  display: none;
}

.tune-table .icon-btn--small {
  width: 28px;
  height: 34px;
}

@media (max-width: 479px) {
  .tune {
    grid-template-columns: minmax(0, 1fr) 36px;
  }
  .tune > .tune__label {
    grid-column: 1 / -1;
  }
  .tune-table .tune {
    grid-template-columns: minmax(0, 1fr);
  }
  .tune-table .tune__reset {
    display: none;
  }
}

.graph-wrap {
  margin: 6px 0;
  padding: 10px;
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  background: var(--field);
}

.graph-wrap--small {
  max-width: 320px;
}

.graph-wrap figcaption {
  margin-top: 4px;
  color: var(--faint);
  font-size: 0.78rem;
}

.graph {
  display: block;
  width: 100%;
  height: auto;
}

.graph__grid {
  stroke: #2e2e2e;
  stroke-width: 1;
}

.graph__ref {
  stroke: #3a3a3a;
  stroke-dasharray: 3 3;
}

.graph__tick {
  fill: var(--faint);
  font: 9px var(--mono);
}

.graph__dead {
  fill: rgba(255, 255, 255, 0.04);
}

.graph__line {
  fill: none;
  stroke-width: 2.2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.graph__line--0 {
  stroke: var(--accent);
}

.graph__line--1 {
  stroke: #5bb8ff;
  stroke-dasharray: 6 3;
}

.graph__line--2 {
  stroke: var(--gate);
  stroke-dasharray: 2 3;
}

.graph-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  color: var(--text-2);
  font-size: 0.82rem;
}

.graph-legend__item::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 0;
  margin-right: 6px;
  border-top: 2.5px solid var(--accent);
  vertical-align: 3px;
}

.graph-legend__item--1::before {
  border-top: 2.5px dashed #5bb8ff;
}

.graph-legend__item--2::before {
  border-top: 2.5px dotted var(--gate);
}

.graph-legend strong {
  font-family: var(--mono);
  font-weight: 600;
}

/* ---------- OSD ---------- */

.osd-options {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  border: 0;
}

.osd-options:disabled {
  opacity: 0.5;
}

.osd-option {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--panel-2);
  cursor: pointer;
}

.osd-options:disabled .osd-option {
  cursor: not-allowed;
}

.osd-option.is-checked {
  border-color: var(--accent);
}

.osd-option input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--accent);
}

.osd-option__text {
  display: grid;
  gap: 2px;
  font-size: 0.9rem;
}

.osd-option__text span {
  color: var(--muted);
}

.osd-preview {
  width: 96px;
  height: auto;
}

.osd-preview__screen {
  fill: #0f1410;
  stroke: #3c3c3c;
  stroke-width: 0.4;
}

.osd-preview__cross {
  stroke: #d8d8d8;
  stroke-width: 0.4;
}

.osd-preview__mark {
  fill: #e8e8e8;
}

@media (max-width: 479px) {
  .osd-preview {
    display: none;
  }
}

/* ---------- Share ---------- */

.layers {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 18px;
  margin: 0;
  padding: 0;
  border: 0;
}

.layers legend {
  margin-bottom: 4px;
  color: var(--faint);
  font: 600 0.68rem/1.3 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.layer.is-off {
  color: var(--faint);
}

.layer__note {
  color: var(--faint);
  font-size: 0.82rem;
}

.code {
  padding: 14px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--field);
}

.code__text {
  color: var(--accent);
  font-size: 0.92rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  overflow-wrap: normal;
  word-break: normal;
  user-select: all;
}

.code__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 12px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.82rem;
}

.code__meta .is-ok {
  color: var(--gate);
}

.code__meta .is-warn {
  color: var(--accent);
}

.code__meta .is-bad {
  color: var(--danger);
}

.code__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.code__actions .btn svg {
  flex: none;
}

.code__flash {
  font-size: 0.9rem;
}

.code__flash.is-ok {
  color: var(--gate);
}

.code__flash.is-bad {
  color: var(--danger);
}

.howto {
  border-top: 1px solid var(--border-soft);
  padding-top: 10px;
}

.howto summary {
  min-height: 36px;
  color: var(--text-2);
  font-weight: 600;
  cursor: pointer;
}

.howto ol {
  display: grid;
  gap: 6px;
  margin: 8px 0 0;
  padding-left: 1.3em;
  color: var(--muted);
  font-size: 0.93rem;
}

.import {
  display: grid;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border-soft);
}

.import__input {
  resize: vertical;
  min-height: 72px;
  font-family: var(--mono);
  font-size: 0.86rem;
}

.import__result:empty {
  display: none;
}

.import__result {
  display: grid;
  gap: 4px;
  font-size: 0.9rem;
}

.import__status.is-ok {
  color: var(--gate);
}

.import__status.is-bad,
.import__line.is-bad {
  color: var(--danger);
}

.import__line {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.discord-hint {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  border: 1px solid #454a84;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(88, 101, 242, 0.14), rgba(88, 101, 242, 0.04));
}

.discord-hint__icon {
  color: #8c96ff;
}

.discord-hint h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.discord-hint p {
  margin-top: 4px;
  color: var(--text-2);
  font-size: 0.93rem;
}

.discord-hint .btn {
  margin-top: 12px;
}

.cfg-about {
  display: grid;
  gap: 8px;
  max-width: 1240px;
  padding-bottom: clamp(3rem, 2rem + 4vw, 5rem);
  color: var(--muted);
  font-size: 0.93rem;
}

.cfg-about p {
  max-width: 60em;
}

.cfg-about__title {
  color: var(--text-2);
  font-size: 1rem;
  font-weight: 700;
}