/* Tiny Audio Diffusion drum looper. Every rule is scoped under .looper and uses the site's --clr-* tokens. */

/* The looper lays itself out by its own width (container queries below), so it fits the Projects slot as well as it
   did the full-width test page */
.looper {
  container-type: inline-size;
  --looper-ok: #1f7a45;
  --looper-bad: #b3261e;
  --looper-warn: var(--clr-amber);
  --looper-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--clr-text-primary);
}

html[data-theme="dark"] .looper {
  --looper-ok: #5cc28a;
  --looper-bad: #f2867d;
}

.looper .looper-intro {
  text-align: center;
  margin: 0 0 20px;
}

/* Model status */
/* The box and its hidden copies (see sizeStatus in looper.js) overlap in one row, which takes the tallest one's height */
.looper .looper-status-stack { display: flex; }
.looper .looper-status-stack > * { flex: none; width: 100%; margin-right: -100%; }
.looper .looper-status-ghost { visibility: hidden; }

.looper .looper-status {
  display: flex;
  align-items: center;
  align-content: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  padding: 10px 14px;
  min-height: 46px;
  border-radius: 8px;
  background: var(--clr-background-primary);
  border: 1px solid var(--clr-border-primary);
  font-size: 0.95rem;
}

.looper .looper-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: none;
  background: var(--clr-text-secondary);
}

.looper .looper-status[data-state="ready"] .looper-dot { background: var(--looper-ok); }
.looper .looper-status[data-state="waking"] .looper-dot,
.looper .looper-status[data-state="checking"] .looper-dot {
  background: var(--looper-warn);
  animation: looper-pulse 1.2s ease-in-out infinite;
}
.looper .looper-status[data-state="down"] .looper-dot { background: var(--looper-bad); }
/* The hidden copies only hold the height, so their dots stay still */
.looper .looper-status.looper-status-ghost .looper-dot { animation: none; }

@keyframes looper-pulse { 50% { opacity: 0.3; } }

.looper .looper-status-text,
.looper .looper-ghost-status-text { flex: 1 1 220px; min-width: 0; }

.looper .looper-time,
.looper .looper-ghost-time {
  font-family: var(--looper-mono);
  font-size: 0.85rem;
  color: var(--clr-text-secondary);
  font-variant-numeric: tabular-nums;
}

.looper .looper-retry,
.looper .looper-ghost-retry { margin-left: auto; }

/* Buttons */
.looper .looper-btn {
  min-height: 36px;
  padding: 0 12px;
  border-radius: 6px;
  border: 1px solid var(--clr-border-primary);
  background: var(--clr-background-primary);
  color: var(--clr-text-primary);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

@media (hover: hover) {
  .looper .looper-btn:hover { border-color: var(--clr-accent-primary); }
}

/* Transport */
.looper .looper-transport {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin: 14px 0;
}

.looper .looper-play {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 22px;
  border: 0;
  cursor: pointer;
  background: var(--clr-accent-primary);
  color: var(--clr-background-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: inherit;
  font-size: 0.95rem;
}

@media (hover: hover) {
  .looper .looper-play:hover { background: var(--clr-accent-secondary); }
}
.looper .looper-play svg { width: 14px; height: 14px; }
.looper svg[hidden] { display: none; }

.looper .looper-tempo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.looper .looper-tempo input[type="range"] { width: 120px; accent-color: var(--clr-accent-primary); }

.looper .looper-tempo output {
  font-variant-numeric: tabular-nums;
  min-width: 4.5em;
  color: var(--clr-text-secondary);
}

.looper .looper-packs {
  /* Its own row under Play, Tempo and Starter/Clear, so adding packs never pushes the other controls around */
  order: 1;
  flex: 1 0 100%;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.looper .looper-seg {
  display: inline-flex;
  border: 1px solid var(--clr-border-primary);
  border-radius: 6px;
  overflow: hidden;
  background: var(--clr-background-primary);
}

.looper .looper-seg button {
  min-width: 36px;
  min-height: 34px;
  padding: 0 10px;
  border: 0;
  background: transparent;
  color: var(--clr-text-primary);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.looper .looper-seg button + button { border-left: 1px solid var(--clr-border-primary); }

/* Packs made live on this page (4 to 8): a small accent dot sets them apart from the three saved packs, and a
   slightly heavier divider sits between the two groups. The dot pulses while its pack is being made. */
.looper .looper-seg .looper-gen { position: relative; }
.looper .looper-seg button:not(.looper-gen) + .looper-gen { border-left-width: 2px; }
.looper .looper-seg .looper-gen::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  border-radius: 50%;
  background: var(--clr-accent-primary);
}
.looper .looper-seg .looper-gen[aria-pressed="true"]::after { background: var(--clr-background-primary); }
.looper .looper-seg .looper-gen.making::after { animation: looper-pulse 1.2s ease-in-out infinite; }
.looper .looper-newpack-wrap { position: relative; display: inline-flex; max-width: 100%; }
/* One width for every label: the visible label and an invisible copy of the longest one share a grid cell */
.looper .looper-newpack { display: inline-grid; align-items: center; justify-items: center; max-width: 100%; }
.looper .looper-newpack > span { grid-area: 1 / 1; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.looper .looper-np-size { visibility: hidden; }
.looper .looper-newpack:disabled { cursor: default; opacity: 0.8; }
/* The replace warning: a themed tip, shown at once on hover or keyboard focus, or after a first tap on touch */
.looper .looper-tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  z-index: 5;
  width: max-content;
  max-width: 240px;
  max-width: min(240px, 90cqw);   /* never wider than a narrow looper */
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--clr-text-primary);
  color: var(--clr-background-primary);
  font-size: 0.8rem;
  line-height: 1.35;
  box-shadow: 0 6px 18px -8px rgba(0, 0, 0, 0.45);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.looper .looper-tip::after {
  content: "";
  position: absolute;
  left: 18px;
  top: 100%;
  border: 5px solid transparent;
  border-top-color: var(--clr-text-primary);
}
.looper .looper-newpack-wrap.warn.show-tip .looper-tip,
.looper .looper-newpack-wrap.warn .looper-newpack:focus-visible + .looper-tip { opacity: 1; visibility: visible; }
@media (hover: hover) {
  .looper .looper-newpack-wrap.warn .looper-newpack:hover + .looper-tip { opacity: 1; visibility: visible; }
}

.looper .looper-seg button[aria-pressed="true"] {
  background: var(--clr-accent-primary);
  color: var(--clr-background-primary);
}

.looper .looper-transport-end {
  display: inline-flex;
  gap: 8px;
  margin-left: auto;
}

/* Rows */
.looper .looper-rows { display: grid; gap: 10px; }

.looper .looper-row {
  display: grid;
  grid-template-columns: minmax(0, 290px) minmax(0, 1fr);
  gap: 8px 18px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--clr-background-primary);
  border: 1px solid var(--clr-border-primary);
  transition: border-color 0.3s ease;
}

.looper .looper-row.fresh { border-color: var(--clr-accent-primary); }

.looper .looper-head {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 6px 12px;
  align-items: center;
  min-width: 0;
}

.looper .looper-pad {
  grid-row: 1 / span 2;
  height: 74px;
  padding: 5px 8px;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid var(--clr-border-primary);
  background: var(--clr-background-secondary);
  color: var(--clr-text-headings);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  text-align: left;
  overflow: hidden;
  font: inherit;
}

.looper .looper-pad-name {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  line-height: 1.2;
}

.looper .looper-key {
  font-family: var(--looper-mono);
  font-size: 11px;
  color: var(--clr-text-secondary);
}

.looper .looper-pad canvas {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
}

.looper .looper-src {
  font-size: 0.72rem;
  color: var(--clr-text-secondary);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.looper .looper-pad.hit {
  background: var(--clr-accent-primary);
  border-color: var(--clr-accent-primary);
}

.looper .looper-pad.hit .looper-pad-name,
.looper .looper-pad.hit .looper-key,
.looper .looper-pad.hit .looper-src { color: var(--clr-background-primary); }

.looper .looper-new {
  justify-self: start;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 17px;
  cursor: pointer;
  border: 1px solid var(--clr-accent-primary);
  background: transparent;
  color: var(--clr-accent-primary);
  font: inherit;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

@media (hover: hover) {
  .looper .looper-new:hover:not(:disabled) {
    background: var(--clr-accent-primary);
    color: var(--clr-background-primary);
  }
}

.looper .looper-new:disabled { cursor: default; opacity: 0.75; }

.looper .looper-spin {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-right-color: transparent;
  animation: looper-spin 0.8s linear infinite;
}

@keyframes looper-spin { to { transform: rotate(360deg); } }

/* Whole items wrap when the column is narrow (Save WAV drops under the arrows); a label never breaks */
.looper .looper-hist {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 6px;
  font-size: 0.78rem;
  color: var(--clr-text-secondary);
  font-variant-numeric: tabular-nums;
}

.looper .looper-hist button:not(.looper-save) {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--clr-border-primary);
  background: transparent;
  color: var(--clr-text-primary);
  cursor: pointer;
  padding: 0;
  line-height: 1;
  font: inherit;
}

.looper .looper-hist button:disabled { opacity: 0.35; cursor: default; }

.looper .looper-pos,
.looper .looper-save { white-space: nowrap; }

.looper .looper-save {
  margin-left: 4px;
  border: 0;
  background: none;
  padding: 0;
  color: var(--clr-accent-primary);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
}

@media (hover: hover) {
  .looper .looper-save:hover { text-decoration: underline; }
}

.looper .looper-msg {
  grid-column: 1 / -1;
  margin: 0;
  min-height: 1.35em;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--clr-text-secondary);
}

.looper .looper-msg[data-tone="ok"] { color: var(--looper-ok); }
.looper .looper-msg[data-tone="bad"] { color: var(--looper-bad); }

.looper .looper-msg-time {
  font-family: var(--looper-mono);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}

/* Steps: four groups of four, two groups per line on narrow screens */
.looper .looper-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  min-width: 0;
}

.looper .looper-group {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
}

.looper .looper-step {
  aspect-ratio: 1;
  max-width: 100%;
  min-height: 26px;
  padding: 0;
  border-radius: 5px;
  cursor: pointer;
  border: 1px solid var(--clr-border-primary);
  background: var(--clr-background-secondary);
}

.looper .looper-group .looper-step:first-child { border-color: var(--clr-text-secondary); }

.looper .looper-step[aria-pressed="true"] {
  background: var(--clr-accent-primary);
  border-color: var(--clr-accent-primary);
}

.looper .looper-step.now { box-shadow: inset 0 0 0 2px var(--clr-text-headings); }

.looper .looper-foot {
  margin: 14px 0 0;
  text-align: center;
  font-size: 0.88rem;
  color: var(--clr-text-secondary);
}

.looper .looper-foot a { color: var(--clr-accent-primary); text-decoration: none; }

/* The test page's viewport breakpoints (760 and 600 px) were tuned at a looper width of 680 and 520 px. The viewport
   rules stay for browsers without container queries; wherever they match, the looper is narrower still. */
@media (max-width: 760px) {
  .looper .looper-row { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 600px) {
  .looper .looper-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .looper .looper-transport-end { margin-left: 0; }
}

@container (max-width: 680px) {
  .looper .looper-row { grid-template-columns: minmax(0, 1fr); }
}

/* Narrow loopers: the label, the selector and New pack stack, all on the left edge; the tip opens below the button
   so it never covers the selector */
@container (max-width: 640px) {
  .looper .looper-packs { flex-direction: column; align-items: flex-start; }
  .looper .looper-tip { bottom: auto; top: calc(100% + 8px); }
  .looper .looper-tip::after { top: auto; bottom: 100%; border-top-color: transparent; border-bottom-color: var(--clr-text-primary); }
}

@container (max-width: 520px) {
  .looper .looper-seg button { min-width: 30px; padding: 0 6px; }
  .looper .looper-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .looper .looper-transport-end { margin-left: 0; }
}

/* Small phones: the pad sits above New and the history, and the tempo slider takes its own line */
@container (max-width: 300px) {
  .looper .looper-seg button { min-width: 26px; padding: 0 4px; }
  .looper .looper-newpack > span { white-space: normal; }
  .looper .looper-head { grid-template-columns: minmax(0, 1fr); }
  .looper .looper-pad { grid-row: auto; }
  .looper .looper-tempo { flex-wrap: wrap; }
  .looper .looper-tempo input[type="range"] { flex: 1 1 100px; width: auto; min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .looper .looper-row { transition: none; }
  .looper .looper-status .looper-dot { animation: none; }
  .looper .looper-seg .looper-gen.making::after { animation: none; }
}