/* Page-wide tokens, layout, settings pane, buttons, icons, dialogs and footer. */

/* Color/spacing tokens shared by the whole stylesheet below. */
:root {
  color-scheme: light;
  --page: #f3f0e8;
  --ink: #20231f;
  --muted: #6d706a;
  --card: #fbfaf6;
  --key: #fffefa;
  --key-border: #bbb9af;
  --rule: rgb(85 82 70 / 13%);
  --nums: #d52b82;
  --func: #168fbd;
  --auto-mouse: #8754b3;
  --hold: #278554;
  --escape: #d49a00;
  --pending: #d49a00;
  --changed: #d32f2f; /* edit view: key differs from GitHub latest */
  --accent: #e35e35;
  --danger: #c23b3b;
  --shadow: 0 18px 50px rgb(50 47 36 / 10%);
  --key-shadow: 0 3px 7px rgb(45 43 34 / 8%);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 1212px;
  background: var(--page);
  color: var(--ink);
  font-family: Inter, "Noto Sans JP", "Hiragino Kaku Gothic ProN", system-ui, sans-serif;
}

/* Fixed width rather than fluid, so the key layout renders at a consistent,
   comfortable physical size regardless of window width. */
main {
  width: 1180px;
  margin: 0 auto;
  padding: 24px 0 28px;
}

h1 {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 25px);
  line-height: 1.2;
  letter-spacing: -.03em;
}

.editor-card {
  background: var(--card);
  border-radius: 20px;
  box-shadow: var(--shadow);
  /* Compensate for the space above and below the visible text glyphs. */
  padding: 16px 20px 18px;
}

/* Title and version share one row (version right-aligned via
   justify-content) instead of stacking onto a second line, so the title
   pane stays short -- a plain two-line heading pushed the whole card down
   for no informational gain. */
.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}

.layout-version {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 650;
  letter-spacing: .025em;
  white-space: nowrap;
}

/* Layout pane (the key layout itself, cheat sheet or editor) comes first
   and Settings sits below it, full-width -- the screen isn't wide enough
   to spare a side column for it without shrinking the key layout. */
.app-panes {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.layout-pane { width: 100%; }

.settings-pane {
  background: #f5f6f2;
  padding: 12px 20px 14px;
}

/* Pane title on the left, the 表示 / 編集 mode switch on the right. */
.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.pane-header .pane-title { margin: 0; line-height: 1.2; }

.mode-switch {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--key-border);
  border-radius: 999px;
  background: var(--key);
}
.mode-switch-button {
  min-width: 72px;
  padding: 4px 14px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}
.mode-switch-button:not(.is-active):hover { color: var(--ink); }
.mode-switch-button.is-active { background: var(--ink); color: var(--card); }

/* Purpose-grouped columns: デバイス (shared, always first) followed by the
   current mode's own groups -- 表示/書き出し for the cheat sheet,
   書き出し・初期化 for the editor. */
/* A fixed three-column grid, so デバイス keeps the same position and width
   in both modes even when the edit mode has fewer groups. */
.settings-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.settings-group { min-width: 0; }
.settings-group[hidden] { display: none; }

.settings-group-title {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .04em;
}

.settings-group-body {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}

/* Two buttons sharing one row (connect/reload, PNG copy/save, the two
   destructive overwrites) -- half the height of stacking them. */
.button-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.edit-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.button-pair button, .button-slot button, .edit-actions > button { width: 100%; }
.device-action-status { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; overflow-wrap: anywhere; }
.device-action-status:empty { display: none; }

.pane-title {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}


/* Per-layer show/hide switches, all on one row. */
.layer-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding: 6px 0;
}
.layer-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
}
.layer-toggle input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.toggle-track {
  position: relative;
  width: 34px;
  height: 20px;
  flex-shrink: 0;
  border: 1px solid var(--key-border);
  border-radius: 999px;
  background: var(--key);
  transition: background .15s ease, border-color .15s ease;
}
.toggle-track span {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgb(32 35 31 / 24%);
  transition: transform .15s ease;
}
.layer-toggle input:checked + .toggle-track span { transform: translateX(14px); }
.layer-toggle input:focus-visible + .toggle-track {
  outline: 3px solid color-mix(in srgb, var(--accent), transparent 65%);
  outline-offset: 2px;
}
.toggle-nums { border-color: var(--key-border); }
.layer-toggle input:checked + .toggle-track.toggle-nums { background: var(--nums); border-color: var(--nums); }
.layer-toggle input:checked + .toggle-track.toggle-func { background: var(--func); border-color: var(--func); }
.layer-toggle input:checked + .toggle-track.toggle-extra { background: var(--escape); border-color: var(--escape); }
.layer-toggle input:checked + .toggle-track.toggle-mouse { background: var(--auto-mouse); border-color: var(--auto-mouse); }

.png-export-status { margin: 0; font-size: 12px; color: var(--muted); }
.png-export-status:empty { display: none; }

/* Keyboard model and connection status share the first row. */
.device-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.keyboard-select {
  flex: 1;
  min-width: 0;
  padding: 6px 10px;
  border: 1px solid var(--key-border);
  border-radius: 9px;
  background: var(--key);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
}
.keyboard-select:hover:not(:disabled) { border-color: var(--ink); }

/* Status pill: a colored dot plus the state name. */
.connection-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  padding: 4px 10px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--key);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.connection-status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.connection-status.is-connected { color: var(--hold); }
.connection-status.is-connecting { color: var(--pending); }
.connection-status.is-error { color: var(--danger); }
.connection-info {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.connection-info:empty { display: none; }
.connection-info.is-warning { color: var(--danger); }

button {
  font: inherit;
  cursor: pointer;
}
button:disabled { cursor: not-allowed; opacity: .5; }

.primary-button, .secondary-button, .danger-button {
  border-radius: 9px;
  padding: 6px 12px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
}
.primary-button { background: var(--ink); color: var(--card); }
.secondary-button { background: var(--key); border-color: var(--key-border); color: var(--ink); }
.danger-button { background: #fff; border-color: var(--danger); color: var(--danger); }
.primary-button:hover:not(:disabled) { background: #3b3f39; }
.secondary-button:hover:not(:disabled) { border-color: var(--ink); }
.danger-button:hover:not(:disabled) { background: #fdf0f0; }
button:focus-visible, select:focus-visible, input:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent), transparent 30%);
  outline-offset: 2px;
}

/* Arrow characters (⬅⬇⬆➡) and numpad digits carry a lot of built-in
   left-side bearing in most fonts, so even a 0 flex-gap still reads as a
   wide gap next to the icon -- pull it in past that padding explicitly. */
.icon-arrow {
  margin-left: -3px;
}

.operation-icon {
  width: 1.15em;
  height: 1.15em;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.svg-definitions {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.source-footer {
  margin-top: 16px;
  text-align: right;
  font-size: 13px;
}
.source-footer a { color: var(--muted); text-underline-offset: 3px; }
.source-footer a:hover { color: var(--ink); }

.dialog-backdrop {
  position: fixed;
  inset: 0;
  background: rgb(20 20 15 / 45%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 10;
}

.dialog {
  background: var(--card);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 20px 22px;
  width: min(720px, 100%);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.dialog h2 { margin: 0; font-size: 16px; }
.dialog-note { margin: 0; color: var(--muted); font-size: 12px; }
/* The Yes/No popups (update-to-latest, reset) don't need the export
   dialog's wide textarea-sized card. */
.confirm-dialog { width: min(420px, 100%); }
.export-dialog-textarea {
  flex: 1;
  min-height: 320px;
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 12px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--key-border);
  background: var(--key);
  color: var(--ink);
  resize: vertical;
}
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.footer-divider {
  height: 0;
  margin: 10px 0 8px;
  border: 0;
  border-top: 1px solid var(--rule);
}
.copyright {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: .025em;
  text-align: left;
  transform: translateY(1px);
}