/* ==========================================================================
   Hype Training — rhythm practice dojo
   ========================================================================== */

.screen-training .main {
  background:
    linear-gradient(to bottom, transparent 50%, rgb(0 220 229 / 0.04) 50%) 0 0 / 100% 4px,
    var(--surface-lowest);
}

.training {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(280px, 1fr);
  gap: 1.5rem;
  align-items: start;
}
.training__main { display: grid; gap: 1.5rem; min-width: 0; }
.training__side { display: grid; gap: 1.5rem; min-width: 0; }

/* ---- Stage --------------------------------------------------------------- */
.screen-training .stage {
  position: relative;
  aspect-ratio: 16 / 9;
  min-height: 320px;
  overflow: hidden;
  background: var(--bg);
  border: 12px solid var(--surface-high);
  box-shadow: 12px 12px 0 var(--navy);
  isolation: isolate;
  user-select: none;
}
.stage__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.6;
  mix-blend-mode: screen;
  image-rendering: pixelated;
}
.stage__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(to top, rgb(0 220 229 / 0.2), transparent 60%),
    radial-gradient(ellipse at center, rgb(18 18 29 / 0.25), rgb(18 18 29 / 0.7));
}
.stage.is-beat .stage__scrim { background-color: rgb(0 220 229 / 0.04); }

/* Judgment label + last-five history, top left */
.stage__judge {
  position: absolute;
  top: clamp(0.75rem, 3vw, 2rem);
  left: clamp(0.75rem, 3vw, 2rem);
  display: grid;
  gap: 0.5rem;
  justify-items: start;
}
.stage__judge-label {
  padding: 0.5rem 1rem;
  background: var(--surface-highest);
  border-left: 8px solid var(--judge, var(--cyan));
  color: var(--judge, var(--cyan));
  font: 700 clamp(1rem, 2.2vw, 1.5rem)/1 var(--font-head);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.stage__judge-label.is-pop { animation: judge-pop 0.18s steps(3); }
.stage__judge-label[data-kind="great"] { --judge: var(--peach); }
.stage__judge-label[data-kind="miss"]  { --judge: var(--orange); }
.stage__judge-label[data-kind="idle"]  { --judge: var(--outline); }
.stage__history { display: flex; gap: 4px; height: 1rem; }
.stage__history i { width: 2rem; background: rgb(0 220 229 / 0.3); }
.stage__history i.perfect { background: var(--cyan); }
.stage__history i.great { background: var(--peach); }
.stage__history i.miss { background: var(--orange); opacity: 0.55; }

/* Combo counter, top right */
.stage__combo {
  position: absolute;
  top: clamp(0.75rem, 3vw, 2rem);
  right: clamp(0.75rem, 3vw, 2rem);
  text-align: right;
}
.stage__combo-num {
  color: var(--peach);
  font: italic 700 clamp(2.25rem, 6vw, 3.75rem)/0.9 var(--font-head);
  letter-spacing: -0.06em;
  text-shadow: 4px 4px 0 var(--on-orange);
  font-variant-numeric: tabular-nums;
}
.stage__combo-num.is-pop { animation: combo-pop 0.2s steps(3); }
.stage__combo-label {
  margin-top: 0.25rem;
  color: var(--cyan);
  font: 700 clamp(0.6875rem, 1.3vw, 1rem)/1 var(--font-head);
  letter-spacing: 0.2em;
}

/* Prompts */
.stage__prompts {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.5rem, 5vw, 3rem);
  pointer-events: none;
}
.prompt {
  display: grid;
  place-items: center;
  font: 700 2.25rem/1 var(--font-head);
}
.prompt--ghost {
  width: clamp(3.5rem, 8vw, 6rem);
  aspect-ratio: 1;
  border: 4px solid var(--outline-variant);
  color: var(--on-surface);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  opacity: 0.4;
}
.prompt--ghost.perfect, .prompt--ghost.great { border-color: var(--cyan); color: var(--cyan); }
.prompt--ghost.miss { border-color: var(--orange); color: var(--orange); text-decoration: line-through; }
.target { position: relative; }
.prompt--target {
  width: clamp(5rem, 11vw, 8rem);
  aspect-ratio: 1;
  background: var(--cyan);
  color: var(--on-cyan);
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  box-shadow: 8px 8px 0 #004f53;
}
.prompt--target.is-hit { animation: target-hit 0.16s steps(2); }
.prompt--target.is-miss { animation: target-miss 0.22s steps(4); background: var(--orange); }
/* Approach ring: JS scales it from ~2.4x down to 1x exactly on the beat. */
.target__ring {
  position: absolute;
  inset: calc(clamp(1rem, 2.5vw, 2rem) * -1);
  border: 4px solid var(--cyan);
  transform: scale(var(--ring, 1));
  opacity: var(--ring-o, 1);
  will-change: transform;
}
.stage:not(.is-running) .target__ring { animation: pulse 1.6s steps(2) infinite; }
.target__cue {
  position: absolute;
  top: calc(100% + clamp(1.25rem, 3vw, 2.25rem));
  left: 50%;
  transform: translateX(-50%);
  color: var(--cyan);
  font: 700 clamp(0.8125rem, 1.5vw, 1rem)/1 var(--font-head);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

/* Pause / complete overlay */
.stage__overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgb(13 13 24 / 0.72);
  backdrop-filter: blur(2px);
}
.stage__overlay[hidden] { display: none; }
.stage__overlay-text {
  padding: 0.75rem 1.5rem;
  background: var(--peach);
  color: var(--peach-ink);
  font: italic 700 clamp(1.5rem, 4vw, 2.75rem)/1 var(--font-head);
  letter-spacing: -0.04em;
  transform: skewX(-8deg);
  box-shadow: 6px 6px 0 #000;
}

.stage__progress {
  position: absolute;
  inset: auto 0 0 0;
  height: 8px;
  background: var(--surface-highest);
}
.stage__progress span {
  display: block;
  height: 100%;
  width: var(--p, 0%);
  background: var(--peach);
  box-shadow: 0 -4px 10px rgb(254 95 0 / 0.5);
}

/* ---- Pads ---------------------------------------------------------------- */
.pads { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.pad {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 0.5rem;
  background: var(--surface-low);
  border: 0;
  border-bottom: 8px solid var(--surface-highest);
  color: var(--on-surface);
  font-family: var(--font-head);
  touch-action: manipulation;
  transition: transform 50ms steps(2);
}
.pad:hover { background: var(--surface-container); }
.pad__key {
  display: grid;
  place-items: center;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: var(--surface-highest);
  border: 4px solid var(--outline-variant);
  font-size: 1.5rem;
  font-weight: 700;
}
.pad__name { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em; opacity: 0.5; }
.pad.is-target { border-bottom-color: var(--peach); }
.pad.is-target .pad__key {
  background: var(--peach);
  border-color: var(--on-orange);
  color: var(--on-peach);
  box-shadow: 0 0 20px rgb(254 95 0 / 0.4);
}
.pad.is-target .pad__name { color: var(--peach); opacity: 1; }
.pad.is-pressed { transform: translateY(4px); }
.pad.is-pressed .pad__key { background: var(--cyan); border-color: var(--on-cyan); color: var(--on-cyan); box-shadow: 0 0 24px rgb(0 220 229 / 0.6); }

.training__hint {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}
.training__hint kbd {
  display: inline-block;
  min-width: 1.5em;
  padding: 0.1em 0.35em;
  background: var(--surface-highest);
  color: var(--cyan);
  font: inherit;
  text-align: center;
  box-shadow: 2px 2px 0 #000;
}
.training__mute {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--surface-low);
  border: 2px solid var(--outline-variant);
  color: var(--cyan);
  font: 700 0.75rem var(--font-head);
  letter-spacing: 0.1em;
}
.training__mute .ms { font-size: 1.125rem; }
.training__mute[aria-pressed="true"] { color: var(--outline); }

/* ---- Side column --------------------------------------------------------- */
.brief { padding: 1rem; background: var(--orange); color: var(--bg); }
.brief__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}
.brief__copy { font-size: 0.75rem; font-weight: 700; line-height: 1.6; }

.stats {
  padding: 1.5rem;
  background: var(--surface-high);
  border-left: 4px solid var(--cyan);
}
.stats__list { display: grid; gap: 1rem; }
.stats__row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--outline-variant);
}
.stats__row dt { color: var(--cyan); font: 700 0.75rem/1.2 var(--font-head); }
.stats__row dd {
  margin: 0;
  font: 700 1.25rem/1 var(--font-head);
  font-variant-numeric: tabular-nums;
}
.stats__best { margin-top: 1rem; color: var(--outline); font: 700 0.6875rem var(--font-head); letter-spacing: 0.1em; }
.stats__best span { color: var(--peach); }

.records {
  padding: 1rem;
  background: var(--surface-lowest);
  border: 2px solid var(--surface-high);
}
.records__title {
  margin-bottom: 1rem;
  color: rgb(227 224 241 / 0.4);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
}
.records__list { display: grid; gap: 0.75rem; }
.records__list--you { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 2px dashed var(--surface-high); }
.record {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--surface-container);
  opacity: 0.8;
}
.record__rank {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--surface-highest);
  font: 700 1rem var(--font-head);
}
.record__who { flex: 1; min-width: 0; display: grid; }
.record__name {
  overflow: hidden;
  font-size: 0.75rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.record__title { font-size: 0.625rem; opacity: 0.6; text-transform: uppercase; }
.record__score { flex-shrink: 0; font: 700 1rem var(--font-head); }
.record--top { background: var(--surface-low); border-right: 4px solid var(--cyan); opacity: 1; }
.record--top .record__rank { background: var(--cyan-deep); }
.record--top .record__title { color: var(--cyan); opacity: 1; }
.record--you { background: var(--surface-low); border-left: 4px solid var(--peach); opacity: 1; }
.record--you .record__score { color: var(--peach); }
.record__you {
  margin-left: 0.375rem;
  padding: 0.05rem 0.3rem;
  background: var(--peach);
  color: var(--peach-ink);
  font: 700 0.5625rem var(--font-head);
  letter-spacing: 0.1em;
  vertical-align: middle;
}
.records.htmx-added .record--you { animation: bump 0.45s steps(3); }

.training__session {
  --btn-ink: var(--on-cyan);
  --btn-shadow: #004f53;
  padding-block: 1.5rem;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}
.training__session:hover { --btn-bg: var(--peach); --btn-ink: var(--peach-ink); filter: none; }
.training__session[data-state="running"] { --btn-bg: var(--surface-highest); --btn-ink: var(--cyan); --btn-shadow: #000; }

/* ---- Motion -------------------------------------------------------------- */
@keyframes judge-pop { 50% { transform: scale(1.12) skewX(-6deg); } }
@keyframes combo-pop { 50% { transform: scale(1.15); } }
@keyframes target-hit { 50% { transform: scale(0.9); filter: brightness(1.4); } }
@keyframes target-miss {
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* ---- Responsive ---------------------------------------------------------- */
@media (max-width: 1100px) {
  .training { grid-template-columns: minmax(0, 1fr); }
  .training__side { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .training__session { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  /* Keep START / PAUSE reachable without scrolling past the telemetry. */
  .training__side { grid-template-columns: minmax(0, 1fr); }
  .training__session { order: -1; }
}
@media (max-width: 640px) {
  .screen-training .stage { aspect-ratio: auto; height: 340px; border-width: 8px; box-shadow: 8px 8px 0 var(--navy); }
  .pads { gap: 0.75rem; }
  .pad { padding: 1rem 0.25rem; gap: 0.625rem; }
  .pad__key { width: 3.25rem; height: 3.25rem; font-size: 1.25rem; }
  .pad__name { font-size: 0.625rem; }
  .training__hint .label { display: none; }
}