/* becksosa - loop kits
   Palette and restraint borrowed from the reference: near-black ground,
   warm off-white ink, hairline rules, mono for anything numeric. */

:root {
  --bg: #111111;
  --fg: #e6e6e0;
  --dim: rgba(230, 230, 224, 0.42);
  --faint: rgba(230, 230, 224, 0.16);
  --rule: rgba(230, 230, 224, 0.11);
  --ink-hover: #ffffff;

  --sans: "Helvetica Neue", Helvetica, Arial, system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --gutter: clamp(1.25rem, 4vw, 4.5rem);
  --player-h: 68px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ---------- particle field ---------- */

#field {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  /* Sits behind content but above the flat background. */
}

.page {
  position: relative;
  z-index: 1;
}

/* ---------- small caps labels ---------- */

.label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
}

/* ---------- masthead ---------- */

.masthead {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem var(--gutter);
  mix-blend-mode: difference;
}

.masthead a:hover { color: var(--ink-hover); }

/* ---------- hero ---------- */

.hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 0 var(--gutter);
}

.hero-meta {
  margin-top: clamp(1.5rem, 4vw, 3rem);
  max-width: 46ch;
  color: var(--dim);
  font-size: 0.95rem;
}

/* The only thing on the landing screen: small, lit from within, breathing.
   Layered shadows rather than one big blur -- a single wide shadow reads as
   fog, stacked tight-to-wide reads as something actually glowing. */

.ether {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(0.62rem, 1.5vw, 0.78rem);
  letter-spacing: 0.46em;
  text-indent: 0.46em;          /* re-centre against the trailing letterspace */
  text-transform: uppercase;
  text-align: center;
  color: #f2f2ec;
}

/* The glow breathes on the inner span so the scroll fade can own the outer
   element's opacity -- a running animation outranks an inline style. */
.ether span {
  display: inline-block;
  animation: breathe 5s ease-in-out infinite;
  will-change: opacity, text-shadow;
}

@keyframes breathe {
  0%, 100% {
    opacity: 0.62;
    text-shadow:
      0 0 4px rgba(230, 230, 224, 0.42),
      0 0 12px rgba(230, 230, 224, 0.22),
      0 0 30px rgba(190, 210, 255, 0.12);
  }
  50% {
    opacity: 1;
    text-shadow:
      0 0 5px rgba(255, 255, 255, 0.72),
      0 0 16px rgba(230, 230, 224, 0.44),
      0 0 44px rgba(190, 210, 255, 0.30),
      0 0 90px rgba(160, 190, 255, 0.16);
  }
}

/* ---------- section scaffolding ---------- */

.section {
  padding: clamp(4rem, 12vh, 9rem) var(--gutter);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: clamp(1.5rem, 5vh, 3.5rem);
}

/* ---------- numbered rows (kits + loops) ---------- */

.row {
  display: grid;
  align-items: center;
  gap: 1.25rem;
  padding: clamp(1rem, 2.2vw, 1.6rem) 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
}

.row .num {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--faint);
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}

/* kit rows */

.kit-row { grid-template-columns: 3.2rem auto 1fr auto; cursor: pointer; }

/* Cover art sits muted so it doesn't fight the monochrome, and blooms on hover. */
.kit-row .thumb {
  width: 90px;
  height: 90px;
  object-fit: cover;
  display: block;
  filter: grayscale(1) contrast(1.05) brightness(0.72);
  opacity: 0.75;
  transition: filter 0.5s ease, opacity 0.5s ease, transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.kit-row:hover .thumb {
  filter: none;
  opacity: 1;
  transform: scale(1.04);
}

.thumb-empty { width: 90px; height: 90px; background: rgba(230, 230, 224, 0.05); }

.kit-row .title {
  font-size: clamp(1.6rem, 5.2vw, 3.6rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.02;
  transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.3s;
}

.kit-row:hover .title { transform: translateX(0.7rem); color: var(--ink-hover); }
.kit-row:hover .num   { color: var(--dim); }

.kit-row .meta {
  text-align: right;
  white-space: nowrap;
}

.kit-row .go {
  display: inline-block;
  margin-left: 0.8rem;
  opacity: 0;
  transform: translateX(-0.5rem);
  transition: opacity 0.35s, transform 0.35s;
}

.kit-row:hover .go { opacity: 1; transform: translateX(0); }

/* loop rows */

.loop-row {
  grid-template-columns: 3.2rem 1fr 5.5rem 4rem auto;
}

.loop-row .name {
  font-size: clamp(0.98rem, 2vw, 1.3rem);
  letter-spacing: -0.01em;
  text-transform: uppercase;
  transition: color 0.25s;
}

.loop-row:hover .name { color: var(--ink-hover); }

.loop-row .bpm,
.loop-row .key {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--dim);
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
}

.loop-row .credits {
  display: block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--faint);
  margin-top: 0.35rem;
  text-transform: uppercase;
}

.loop-row .actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* row currently loaded in the player */
.loop-row.is-playing .name { color: var(--ink-hover); }
.loop-row.is-playing .num  { color: var(--fg); }

/* ---------- buttons ---------- */

.btn {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  background: none;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.55rem 1rem;
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s, background 0.25s;
  white-space: nowrap;
}

.btn:hover {
  color: var(--bg);
  background: var(--fg);
  border-color: var(--fg);
}

.btn-icon {
  width: 2.4rem;
  height: 2.4rem;
  padding: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  flex: 0 0 auto;
}

.btn-icon svg { width: 13px; height: 13px; fill: currentColor; }

.btn-lg {
  font-size: 0.72rem;
  padding: 1rem 2rem;
  color: var(--fg);
  border-color: var(--faint);
}

/* ---------- kit page header ---------- */

.kit-head {
  padding: calc(var(--gutter) + 4rem) var(--gutter) 0;
  min-height: 62svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.kit-head-grid {
  display: grid;
  grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: end;
}

.kit-cover {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  border: 1px solid var(--rule);
}

.kit-head h1 {
  margin: 0.6rem 0 0;
  font-size: clamp(2.4rem, 9vw, 7rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.94;
}

.kit-head .blurb {
  margin-top: 1.4rem;
  max-width: 46ch;
  color: var(--dim);
}

.kit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
  margin: clamp(1.8rem, 5vh, 3rem) 0 clamp(1rem, 3vh, 2rem);
}

.back {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  transition: color 0.25s;
}

.back:hover { color: var(--ink-hover); }

/* ---------- reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.in { opacity: 1; transform: none; }

/* ---------- sticky player ---------- */

.player {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  height: var(--player-h);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.1rem;
  padding: 0 var(--gutter);
  background: rgba(17, 17, 17, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--rule);
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.player.up { transform: none; }

body.player-open { padding-bottom: var(--player-h); }

.player .now {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
}

.player .now-name {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player .track {
  position: relative;
  height: 26px;
  display: flex;
  align-items: center;
  cursor: pointer;
  min-width: 0;
}

.player .track-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--rule);
}

.player .track-fill {
  position: absolute;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--fg);
}

.player .time {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--dim);
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.player-right { display: flex; align-items: center; gap: 0.7rem; }

/* ---------- notify prompt ---------- */

/* The prompt sits *inside* the gap that already existed between the last kit
   and the footer rule rather than adding to it: the kit list gives up its
   bottom padding, and this splits the same distance above and below. Total
   spacing is unchanged from before the prompt existed. */
#kits { padding-bottom: 0; }

.notify {
  display: grid;
  place-items: center;
  padding: clamp(2rem, 6vh, 4.5rem) var(--gutter);
}

.ether-btn {
  /* appearance:none is the one that actually kills the UA button chrome --
     background alone leaves a grey plate in some browsers. */
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  border: 0;
  padding: 0.4rem;
  cursor: pointer;
  color: #f2f2ec;
  font: inherit;
  font-family: var(--mono);
  font-size: clamp(0.6rem, 1.4vw, 0.72rem);
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  text-transform: uppercase;
}

/* The underline goes on the span, not the button: text-decoration doesn't
   propagate into an inline-block child, and .ether span is one. */
.ether-btn span {
  text-decoration: underline;
  text-underline-offset: 0.5em;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(230, 230, 224, 0.55);
}

.ether-btn:hover span { text-decoration-color: currentColor; }

.ether-btn:hover span { animation-play-state: paused; opacity: 1; }

.notify-row {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  text-align: left;
}

.notify-row input {
  flex: 1;
  min-width: 0;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--faint);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.95rem;
  padding: 0.4rem 0.1rem;
  outline: none;
  transition: border-color 0.25s;
}

.notify-row input:focus { border-bottom-color: var(--fg); }

/* Off-screen rather than display:none -- some bots skip what's not rendered. */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.notify-msg {
  margin: 1.1rem 0 0;
  min-height: 1.2em;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}

.notify-msg.ok {
  color: #f2f2ec;
  text-shadow: 0 0 5px rgba(255, 255, 255, 0.6), 0 0 16px rgba(190, 210, 255, 0.35);
}

.notify-msg.err { color: #e0a2a2; }

/* Once it's worked there's nothing left to press, which is the point. */
#notify-form.done .notify-row,
#notify-form.done .modal-actions { display: none; }

/* ---------- modal ---------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: var(--gutter);
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s;
}

.modal.open { opacity: 1; pointer-events: auto; }

.modal-card {
  max-width: 30rem;
  width: 100%;
  background: #171716;
  border: 1px solid var(--faint);
  padding: clamp(1.6rem, 4vw, 2.6rem);
  text-align: center;
  transform: translateY(12px);
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.modal.open .modal-card { transform: none; }

.modal-card p {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.5;
}

/* The licence line is sized to stay on one line; it still wraps on narrow
   phones rather than overflowing the card. */
#gate .modal-card p { white-space: nowrap; }

@media (max-width: 420px) {
  #gate .modal-card p { white-space: normal; }
}

.modal-actions {
  display: flex;
  gap: 0.7rem;
  margin-top: 1.8rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* ---------- footer ---------- */

.footer {
  padding: clamp(3rem, 10vh, 7rem) var(--gutter) clamp(2rem, 6vh, 4rem);
  border-top: 1px solid var(--rule);
}

.footer h2 {
  margin: 0.8rem 0 0;
  font-size: clamp(1.8rem, 6vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.04em;
}

.footer h2 a { transition: color 0.25s; }
.footer h2 a:hover { color: var(--ink-hover); }

/* ---------- responsive ---------- */

@media (max-width: 720px) {
  .kit-row { grid-template-columns: 2.2rem 56px 1fr; }
  .kit-row .thumb, .thumb-empty { width: 56px; height: 56px; }
  .kit-row .meta { grid-column: 3; text-align: left; }
  .kit-row .title { grid-column: 3; }
  .kit-row .go { display: none; }

  .kit-head-grid { grid-template-columns: 1fr; align-items: start; }
  .kit-cover { max-width: 220px; }

  .loop-row {
    grid-template-columns: 2.2rem 1fr auto;
    row-gap: 0.45rem;
  }
  .loop-row .bpm { grid-column: 2; }
  .loop-row .key { grid-column: 2; }
  .loop-row .bpm, .loop-row .key { display: inline; margin-right: 0.9rem; }
  .loop-row .actions { grid-row: 1 / span 2; grid-column: 3; }

  .player { grid-template-columns: auto 1fr; gap: 0.7rem; }
  .player .track { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .ether span { animation: none; opacity: 1; }
}