/* Shared visual language. Loaded last by every active entry point. */
:root {
  --ui-font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ui-mono: "SFMono-Regular", Consolas, monospace;
  --ui-space-1: 4px;
  --ui-space-2: 8px;
  --ui-space-3: 12px;
  --ui-space-4: 16px;
  --ui-space-6: 24px;
  --ui-space-8: 32px;
  --ui-radius: 10px;
  --ui-panel-radius: 16px;
  --ui-header-height: 56px;
  --ui-border: color-mix(in srgb, var(--foreground) 20%, var(--surface));
  --ui-hover: color-mix(in srgb, var(--accent) 10%, var(--surface));
  --ui-selected: color-mix(in srgb, var(--accent) 15%, var(--surface));
  --ui-shadow: 0 6px 24px rgb(0 0 0 / .12);
  --ui-duration: 160ms;
  --app-nav-height: var(--ui-header-height);
}
@media (prefers-color-scheme: light) {
  :root { --ui-shadow: 0 6px 24px rgb(35 47 75 / .06); }
}
body.myhumbug-ui {
  font: 400 15px/1.55 var(--ui-font);
  background: var(--background);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
}
.myhumbug-ui *, .myhumbug-ui *::before, .myhumbug-ui *::after { box-sizing: border-box; }
.myhumbug-ui :is(button, input, select, textarea) { font-family: var(--ui-font); }
.myhumbug-ui :is(h1, h2, h3, .title-logo, .app-nav-bar__title, .app-bar__title) {
  font-family: var(--ui-font); letter-spacing: -.025em;
}
.myhumbug-ui :is(h2, h3) { line-height: 1.35; }
.myhumbug-ui :is(.bar-center, .panel-title, .frame-state-box strong, .search-box, .command-search, .command-row, .preset-label) {
  font-family: var(--ui-font);
}
.myhumbug-ui :is(.score-chip, .counter, .kpi-value, .volume-readout, time, kbd) { font-variant-numeric: tabular-nums; }
.myhumbug-ui :is(.bar-center, .app-row small, .metric > span, .game-status, .app-status, .muted) {
  color: var(--secondary); opacity: 1;
}
.myhumbug-ui :is(button, a, input, select, summary, textarea):focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}
.myhumbug-ui :is(.waybar, .app-nav-bar, .app-bar, .stats-header) {
  min-height: var(--ui-header-height); height: var(--ui-header-height);
  padding-inline: clamp(12px, 2vw, 24px);
  background: var(--surface); color: var(--bright);
  border: 0; border-bottom: 1px solid var(--ui-border);
  box-shadow: none; backdrop-filter: none;
  font-family: var(--ui-font);
}
.myhumbug-ui :is(.waybar, .stats-header) { position: sticky; top: 0; z-index: 40; }
.myhumbug-ui .brand { background: none; border: 0; box-shadow: none; padding-inline: 0; font-size: 15px; font-weight: 700; }
.myhumbug-ui :is(.app-bar__title, .app-nav-bar__title, .stats-brand) { font-size: 16px; font-weight: 700; text-shadow: none; }
.myhumbug-ui :is(.panel, .stats-card, .game-dialog, .sound-dialog, .session-dialog) {
  border-color: var(--ui-border); border-radius: var(--ui-panel-radius); box-shadow: var(--ui-shadow);
}
.myhumbug-ui .panel { background: var(--surface); }
.myhumbug-ui .panel-title {
  min-height: 48px; padding: 12px 16px; background: none;
  border-bottom-color: var(--ui-border); font-size: 14px; font-weight: 600;
}
.myhumbug-ui .panel-title > span:last-child:not(:first-child) { font-weight: 400; font-size: 12px; color: var(--secondary); }
.myhumbug-ui .icon-action { width: 44px; min-width: 44px; padding: 0; }
.myhumbug-ui .icon-action svg { flex-shrink: 0; }
.myhumbug-ui :is(.classic-button, .panel-action, .command-button, .bar-module, .back-link, .stats-button,
  .control-btn, .mode-button, .preset-button, .mine-mode, .radio-control, .app-button, .power-button,
  .bgm-toggle, .settings-toggle, .leaderboard-skip, .game-toolbar button, .game-dialog button, .session-actions button) {
  min-height: 44px; padding: 10px 14px; border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius); background: var(--surface-2); color: var(--bright);
  box-shadow: none; font: 500 14px/1.35 var(--ui-font); text-decoration: none;
  transition: background-color var(--ui-duration), border-color var(--ui-duration), color var(--ui-duration);
}
.myhumbug-ui :is(.bar-module, .back-link, .panel-action) { background: transparent; border-color: transparent; }
.myhumbug-ui :is(.classic-button, .panel-action, .bar-module, .back-link, .stats-button, .radio-control,
  .game-toolbar button, .game-dialog button, .session-actions button):hover:not(:disabled) {
  background: var(--ui-hover); color: var(--bright); border-color: var(--ui-border); transform: none;
}
.myhumbug-ui :is(.control-btn.primary, #start-btn, [data-game-restart], .game-dialog .primary,
  .leaderboard-form button[type="submit"], #newGame, #newAdvice) {
  color: var(--on-accent); background: var(--accent); border-color: var(--accent);
}
.myhumbug-ui :is(#newGame, #newAdvice, [data-game-restart], .game-dialog .primary):hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 88%, var(--foreground)); color: var(--on-accent);
}
.myhumbug-ui button:disabled { opacity: .5; cursor: not-allowed; }
.myhumbug-ui input::placeholder { color: var(--secondary); opacity: 1; }
.myhumbug-ui :is(input[type="search"], input[type="text"], input[type="date"], select) {
  min-height: 44px; border-radius: var(--ui-radius);
}
.myhumbug-ui :is(.search-box, .md-search, .radio-search, .command-search) {
  border: 1px solid var(--secondary); border-radius: var(--ui-radius);
  background: var(--surface-2); box-shadow: none; color: var(--foreground);
}
.myhumbug-ui :is(.search-box, .md-search, .radio-search, .command-search):focus-within {
  border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}
.myhumbug-ui .search-box input { min-height: 24px; }
.myhumbug-ui :is(.stats-card, .side-panel, .game-panel, .play-area) { box-shadow: none; }
.myhumbug-ui .game-toolbar { background: transparent; border: 0; padding: 0 0 16px; border-bottom: 1px solid var(--ui-border); border-radius: 0; gap: 16px; }
.myhumbug-ui :is(.game-toolbar label, .stat__label, .stat span, .hint, .sound-count) { font-family: var(--ui-font); }
.myhumbug-ui .game-toolbar-actions { gap: 8px; }
.myhumbug-ui .game-toolbar-audio { gap: 12px; }
.myhumbug-ui :is(.stat, .hud__metric, .hud__badge, .hud-powerups) { border-color: transparent; border-radius: var(--ui-radius); }
.myhumbug-ui :is(.game-dialog, .sound-dialog, .session-dialog) { padding: 24px; }
.myhumbug-ui :is(.game-dialog, .sound-dialog, .session-dialog)::backdrop { background: color-mix(in srgb, var(--background) 55%, transparent); backdrop-filter: blur(5px); }
.myhumbug-ui :is(.game-dialog h2, .sound-dialog h2, .session-dialog h2) { font-size: 22px; letter-spacing: -.025em; }
.myhumbug-ui :is(.station-empty, .empty-state, .command-empty) { padding: 32px 20px; color: var(--secondary); line-height: 1.6; }
.myhumbug-ui :is(.frame-state-box, .toast) { border-color: var(--ui-border); border-radius: var(--ui-panel-radius); padding: 20px; }
.myhumbug-ui :is(.frame-state-box strong, .toast strong) { font-size: 16px; }
.myhumbug-ui .toast { background: var(--surface); box-shadow: var(--ui-shadow); }
/* Launcher: one containing surface, quieter rows and an unobstructed app. */
.myhumbug-ui .myhumbug-shell { height: calc(100dvh - var(--ui-header-height)); padding: 16px; }
.myhumbug-ui .shell-grid { gap: 8px; }
.myhumbug-ui .app-list { gap: 4px; padding: 0 12px 12px; }
.myhumbug-ui .app-row { min-height: 72px; border-color: transparent; background: transparent; border-radius: var(--ui-radius); }
.myhumbug-ui .app-row:hover { background: var(--ui-hover); transform: none; border-color: transparent; }
.myhumbug-ui .app-row.active { background: var(--ui-selected); border-color: transparent; transform: none; box-shadow: inset 3px 0 var(--accent); }
.myhumbug-ui .app-row img { background: var(--surface-2); border: 0; image-rendering: auto; border-radius: var(--ui-radius); }
.myhumbug-ui .app-row strong { font-size: 14px; font-weight: 600; }
.myhumbug-ui .app-row small { font-size: 12px; line-height: 1.5; }
.myhumbug-ui .program-frame-wrap { padding: 0; }
.myhumbug-ui .program-frame { border: 0; border-radius: 0; }
.myhumbug-ui .frame-state { inset: 0; }
.myhumbug-ui :is(.metric, .tear-calendar, .tear-weekday, .mini-calendar) { border-color: transparent; box-shadow: none; }
.myhumbug-ui .shortcut-list > div { border-color: var(--ui-border); }
body.myhumbug-ui.standard-app { --app-space: clamp(16px, 2.5vw, 32px); }
.myhumbug-ui .radio-tabs, .myhumbug-ui .periods { border-color: transparent; background: var(--surface-2); border-radius: var(--ui-radius); }
.myhumbug-ui .periods { flex-wrap: wrap; }
.myhumbug-ui .periods button { min-height: 44px; }
.myhumbug-ui .periods button[aria-pressed="true"] { background: var(--surface); color: var(--accent); box-shadow: var(--ui-shadow); }
.myhumbug-ui .stats-heading h1 { font-size: clamp(28px, 4vw, 36px); }
.myhumbug-ui .stats-card h2 { font-size: 16px; }
.myhumbug-ui .stats-shell { padding-block: 32px; }
.myhumbug-ui :is(.stats-button, .table-toolbar select, .table-toolbar input, .range-fields input) { border-color: var(--ui-border); }
.myhumbug-ui .table-scroll { border-radius: var(--ui-radius); }
.myhumbug-ui .sound-table tbody tr:hover { background: var(--ui-hover); }
.myhumbug-ui .kpi-value { font-size: 32px; font-weight: 650; letter-spacing: -.03em; }
.myhumbug-ui .top-name { font-size: 22px; }
.myhumbug-ui .stats-footnote { font-size: 13px; }
.myhumbug-ui .stats-header { gap: 12px; }
.myhumbug-ui .stats-brand span { color: var(--secondary); }
/* Standalone and embedded apps share content, without duplicate headers. */
.is-embedded .myhumbug-ui :is(.compact-waybar, .app-nav-bar, .stats-header) { display: none; }
.is-embedded .myhumbug-ui.app-nav-offset { padding-top: 0; }
.is-embedded .myhumbug-ui :is(.game-window, .ambient-window, .radio-window) { border: 0; box-shadow: none; }
.is-embedded .myhumbug-ui :is(.game-shell, .ambient-shell, .radio-shell) { padding: 0; }
.is-embedded .myhumbug-ui .panel-title { border-bottom-color: var(--ui-border); }
@media (max-width: 660px) {
  .myhumbug-ui .myhumbug-shell { padding: 12px; }
  .myhumbug-ui :is(.panel-title, .stats-header) { padding-inline: 16px; }
  .myhumbug-ui .stats-shell { padding: 24px 12px; }
  .myhumbug-ui .stats-heading { flex-wrap: wrap; gap: 16px; }
  .myhumbug-ui .periods { width: 100%; }
  .myhumbug-ui .periods button { flex: 1 1 auto; padding-inline: 12px; }
  .myhumbug-ui .game-toolbar-actions { width: 100%; }
  .myhumbug-ui .game-toolbar-actions button { flex: 1 1 auto; }
  .myhumbug-ui .game-toolbar-audio { width: 100%; }
  .myhumbug-ui.standard-app .compact-waybar .bar-center { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  :root { --ui-duration: 0ms; }
  .myhumbug-ui *, .myhumbug-ui *::before, .myhumbug-ui *::after { scroll-behavior: auto !important; }
}

/* Soundboard: predictable image crops, readable names and explicit playback state. */
.myhumbug-ui.soundboard-page { --sound-size: 88px; }
.myhumbug-ui.soundboard-page[data-density="comfortable"] { --sound-size: 128px; }
.myhumbug-ui.soundboard-page .wrapper {
  max-width: 1600px; padding: calc(var(--ui-header-height) + 16px) clamp(12px, 2vw, 24px) 32px;
}
.myhumbug-ui.soundboard-page .app-bar { grid-template-columns: auto minmax(120px, 1fr) auto; gap: 16px; font-size: 15px; }
.myhumbug-ui.soundboard-page .app-bar__actions { margin: 0; gap: 8px; }
.myhumbug-ui.soundboard-page .app-bar__action { width: 44px; height: 44px; border-color: var(--ui-border); }
.myhumbug-ui.soundboard-page .app-bar__action svg { color: var(--bright); width: 22px; height: 22px; }
.myhumbug-ui.soundboard-page .app-bar__action[aria-pressed="true"] { background: var(--ui-selected); border-color: var(--accent); color: var(--accent); }
.myhumbug-ui.soundboard-page .md-search { max-width: 560px; min-width: 0; width: 100%; padding: 0 8px 0 36px; }
.myhumbug-ui.soundboard-page .md-search__input { min-width: 0; min-height: 42px; color: var(--foreground); font-size: 14px; }
.myhumbug-ui.soundboard-page .md-search__input::placeholder { color: var(--secondary); }
.myhumbug-ui.soundboard-page .md-search__clear { min-width: 32px; min-height: 36px; color: var(--foreground); }
.myhumbug-ui.soundboard-page .soundboard-toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 16px; margin-bottom: 16px; }
.myhumbug-ui.soundboard-page #soundboardStatus { margin: 0; font-size: 13px; color: var(--secondary); flex: 1 1 160px; }
.myhumbug-ui.soundboard-page #soundDensity { font-size: 13px; }
.myhumbug-ui.soundboard-page #soundDensity[aria-pressed="true"] { background: var(--ui-selected); border-color: var(--accent); }
.myhumbug-ui.soundboard-page .wrapper h2 {
  display: flex; align-items: center; gap: 10px; margin: 28px 0 14px; padding: 0; text-indent: 0;
  color: var(--bright); font: 650 19px/1.35 var(--ui-font); letter-spacing: -.025em;
}
.myhumbug-ui.soundboard-page .category-count { color: var(--secondary); font-size: 12px; font-weight: 400; letter-spacing: 0; }
.myhumbug-ui.soundboard-page .sound-wrapper { display: grid; grid-template-columns: repeat(auto-fill, minmax(var(--sound-size), 1fr)); gap: 12px; align-items: stretch; }
.myhumbug-ui.soundboard-page .sound {
  display: flex; flex-direction: column; width: 100%; min-width: 0; margin: 0; padding: 0;
  border: 1px solid var(--ui-border); border-radius: var(--ui-radius);
  background: var(--surface); color: var(--foreground); box-shadow: none;
  transition: border-color var(--ui-duration), box-shadow var(--ui-duration);
}
.myhumbug-ui.soundboard-page .sound:hover { border-color: var(--accent); box-shadow: 0 3px 10px rgb(0 0 0 / .1); }
.myhumbug-ui.soundboard-page .sound::after { display: none; }
.myhumbug-ui.soundboard-page .sound img { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; }
.myhumbug-ui.soundboard-page .sound div {
  display: block;
  width: 100%; height: 44px; min-height: 44px; flex: 0 0 44px; padding: 6px; overflow: hidden; white-space: normal;
  background: var(--surface); color: var(--foreground); text-align: left;
  font: 500 12px/1.3 var(--ui-font); overflow-wrap: anywhere;
}
.myhumbug-ui.soundboard-page .sound-caption { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.myhumbug-ui.soundboard-page[data-density="comfortable"] .sound div { font-size: 13px; }
.myhumbug-ui.soundboard-page .sound:is(.is-playing, [data-playback="pending"]) { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); }
.myhumbug-ui.soundboard-page .sound:is(.is-playing, [data-playback="pending"], [data-playback="error"])::before {
  content: 'Ⅱ'; position: absolute; top: 6px; left: 6px; z-index: 1;
  display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent); color: var(--on-accent); box-shadow: 0 1px 6px rgb(0 0 0 / .2); font: 700 14px/1 var(--ui-font);
}
.myhumbug-ui.soundboard-page .sound[data-playback="pending"]::before { content: '…'; }
.myhumbug-ui.soundboard-page .sound[data-playback="error"]::before { content: '!'; background: var(--red); color: #fff; }
.myhumbug-ui.soundboard-page .soundboard-empty { text-align: center; padding: 48px 16px; background: var(--surface); border-radius: var(--ui-panel-radius); }
.myhumbug-ui.soundboard-page .soundboard-empty strong { display: block; color: var(--bright); font-size: 20px; }
.myhumbug-ui.soundboard-page .soundboard-empty p { color: var(--secondary); margin: 8px 0 20px; }
@media (max-width: 660px) {
  .myhumbug-ui.soundboard-page { --sound-size: 76px; }
  .myhumbug-ui.soundboard-page[data-density="comfortable"] { --sound-size: 108px; }
  .myhumbug-ui.soundboard-page .app-bar { height: 112px; grid-template-columns: minmax(0, 1fr) auto; grid-template-rows: 44px 44px; gap: 8px 12px; padding-block: 8px; }
  .myhumbug-ui.soundboard-page .app-bar__title { grid-column: 1; grid-row: 1; font-size: 16px; }
  .myhumbug-ui.soundboard-page .app-bar__actions { grid-column: 2; grid-row: 1; }
  .myhumbug-ui.soundboard-page .md-search { grid-column: 1 / -1; grid-row: 2; max-width: none; }
  .myhumbug-ui.soundboard-page .wrapper { padding-top: 128px; }
  .myhumbug-ui.soundboard-page .sound-wrapper { gap: 8px; }
  .myhumbug-ui.soundboard-page .soundboard-toolbar { align-items: center; }
}
.myhumbug-ui .launcher-empty { padding: 24px 20px; color: var(--secondary); }
.myhumbug-ui .launcher-empty strong { color: var(--bright); font-size: 16px; }
.myhumbug-ui .launcher-empty p { margin: 8px 0 16px; }
.myhumbug-ui :is(.station-name, .sound-name) { font-weight: 600; }
.myhumbug-ui :is(.station-row small, .sound-level, .preset-label, .radio-now span) { color: var(--secondary); }
.myhumbug-ui.soundboard-page [hidden], .myhumbug-ui [hidden] { display: none !important; }
.myhumbug-ui .radio-icon-button { width: 44px; min-width: 44px; height: 44px; border-radius: var(--ui-radius); }
.myhumbug-ui .radio-titlebar > span:first-child { text-transform: none; font-weight: 600; }
:root .myhumbug-ui .radio-search input { border: 0; background: transparent; font: 400 14px/1.4 var(--ui-font); }
.myhumbug-ui .ambient-shell { height: calc(100dvh - var(--ui-header-height)); }
.is-embedded .myhumbug-ui .ambient-shell { height: 100dvh; }
.myhumbug-ui :is(.preset-strip, .master-strip, .mixer-footer, .solitaire-toolbar, .mine-top) { border-color: var(--ui-border); box-shadow: none; }
.myhumbug-ui :is(.solitaire-toolbar, .mine-top) { border: 0; background: var(--surface-2); border-radius: var(--ui-radius); }
.myhumbug-ui .score-chip { border: 0; background: transparent; font: 500 13px/1.4 var(--ui-mono); }
.myhumbug-ui .app-switcher,
.myhumbug-ui.soundboard-page .app-bar__action.app-switcher {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: auto; flex: 0 0 auto; padding: 8px 12px; font: 500 14px/1.4 var(--ui-font);
}
.myhumbug-ui .app-switcher::before {
  content: ''; display: block; flex: 0 0 14px; width: 14px; height: 14px;
  background: linear-gradient(currentColor, currentColor) 0 0 / 5px 5px,
    linear-gradient(currentColor, currentColor) 100% 0 / 5px 5px,
    linear-gradient(currentColor, currentColor) 0 100% / 5px 5px,
    linear-gradient(currentColor, currentColor) 100% 100% / 5px 5px;
  background-repeat: no-repeat;
}