/* Riffbook — a tape track-sheet for musical ideas.
   Paper is the pale green of a 1/4" tape box label; the only loud colour is
   the red on the record button and the status spine down each take. */

:root {
  --paper:   #E7EAE1;
  --card:    #F5F7F1;
  --sunk:    #DDE2D7;
  --ink:     #182019;
  --ink-2:   #5C6B60;
  --ink-3:   #8B978C;
  --rule:    #C6CDBF;
  --signal:  #C4442A;
  --amber:   #A8792F;
  --moss:    #4E7A52;
  --slate:   #6B7A85;
  --shadow:  0 1px 0 rgba(24, 32, 25, .06), 0 6px 20px -12px rgba(24, 32, 25, .35);

  --display: Futura, "Avenir Next", "Century Gothic", system-ui, sans-serif;
  --body:    "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --mono:    ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;

  --gutter: clamp(1rem, 4vw, 2.5rem);
  --radius: 3px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:  #161A17;
    --card:   #1F2420;
    --sunk:   #11150F;
    --ink:    #E7EBE2;
    --ink-2:  #A0AC9F;
    --ink-3:  #74806F;
    --rule:   #333B33;
    --signal: #E2664A;
    --amber:  #CE9D46;
    --moss:   #79A87B;
    --slate:  #8FA0AC;
    --shadow: 0 1px 0 rgba(0,0,0,.3), 0 8px 24px -14px #000;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  padding-bottom: env(safe-area-inset-bottom);
}

button, input, textarea, select { font: inherit; color: inherit; }
::placeholder { color: var(--ink-3); opacity: 1; }
a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

/* ---- shell ---------------------------------------------------------------- */

.shell { max-width: 68rem; margin: 0 auto; padding: 0 var(--gutter) 6rem; }

.masthead {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1.4rem 0 1rem;
  border-bottom: 1.5px solid var(--ink);
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: .34em;
  text-transform: uppercase;
  margin: 0;
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
}

.masthead nav { display: flex; gap: 1.1rem; margin-left: auto; align-items: baseline; }

.tab {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: none;
  border: 0;
  padding: .2rem 0;
  color: var(--ink-2);
  cursor: pointer;
  border-bottom: 1.5px solid transparent;
}
.tab:hover { color: var(--ink); }
.tab[aria-current="page"] { color: var(--ink); border-bottom-color: var(--signal); }

.tally {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--ink-3);
}

/* ---- the record control (the whole point on a phone) ---------------------- */

.capture {
  display: grid;
  justify-items: center;
  gap: .9rem;
  padding: 2.6rem 0 2rem;
  border-bottom: 1px solid var(--rule);
}

.record {
  --size: 116px;
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background: var(--signal);
  border: 0;
  box-shadow: 0 0 0 5px var(--paper), 0 0 0 6.5px var(--signal), 0 10px 30px -12px var(--signal);
  cursor: pointer;
  display: grid;
  place-items: center;
  color: #fff;
  font-family: var(--display);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  transition: transform .16s cubic-bezier(.2,.7,.3,1.4), box-shadow .16s ease;
}
.record:hover { transform: scale(1.035); }
.record:active { transform: scale(.96); }

.capture p {
  margin: 0;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.capture .alt {
  background: none;
  border: 0;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  padding: .1rem 0;
}
.capture .alt:hover { color: var(--ink); border-bottom-color: var(--signal); }

/* ---- filters -------------------------------------------------------------- */

.filters {
  display: flex;
  gap: .5rem;
  align-items: center;
  flex-wrap: wrap;
  padding: 1rem 0 .6rem;
}

.chip {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .3rem .6rem;
  border: 1px solid var(--rule);
  border-radius: 100px;
  background: none;
  color: var(--ink-2);
  cursor: pointer;
}
.chip:hover { border-color: var(--ink-3); color: var(--ink); }
.chip[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.search {
  margin-left: auto;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 100px;
  padding: .34rem .85rem;
  font-family: var(--mono);
  font-size: .72rem;
  flex: 1 1 16rem;
  max-width: 22rem;
  min-width: 0;
}
.search::placeholder { color: var(--ink-3); }

/* ---- the track sheet ------------------------------------------------------ */

.sheet { border-top: 1px solid var(--rule); }

.take {
  display: grid;
  grid-template-columns: 4px 3.2rem 74px 1fr auto;
  align-items: center;
  gap: 0 .9rem;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--rule);
  padding: .6rem 0;
  cursor: pointer;
  color: inherit;
}
.take:hover { background: color-mix(in srgb, var(--card) 70%, transparent); }

.spine { align-self: stretch; border-radius: 2px; background: var(--ink-3); min-height: 44px; }
.spine[data-status="spark"]      { background: var(--signal); }
.spine[data-status="developing"] { background: var(--amber); }
.spine[data-status="parked"]     { background: var(--slate); }
.spine[data-status="done"]       { background: var(--moss); }

.no {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

.thumb {
  width: 74px;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--sunk);
  display: block;
}

.take h3 {
  margin: 0;
  font-family: var(--body);
  font-size: 1.02rem;
  font-weight: 400;
  line-height: 1.25;
}
.take h3 em { color: var(--ink-3); font-style: italic; }

.take .under {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .06em;
  color: var(--ink-3);
  display: flex;
  gap: .55rem;
  flex-wrap: wrap;
  margin-top: .15rem;
}
.take .under .song { color: var(--ink-2); }

.data {
  font-family: var(--mono);
  font-size: .74rem;
  color: var(--ink-2);
  display: flex;
  gap: 1.1rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.data span { min-width: 2.6rem; text-align: right; }

@media (max-width: 640px) {
  .take { grid-template-columns: 4px 62px 1fr; row-gap: .25rem; }
  .take .no { display: none; }
  .thumb { width: 62px; }
  .data { grid-column: 3; gap: .8rem; font-size: .68rem; }
  .data span { min-width: 0; text-align: left; }
}

/* ---- empty ---------------------------------------------------------------- */

.empty {
  padding: 3.5rem 0;
  text-align: center;
  color: var(--ink-2);
}
.empty strong {
  display: block;
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: .06em;
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: .35rem;
}

/* ---- detail --------------------------------------------------------------- */

.back {
  background: none;
  border: 0;
  padding: 1rem 0 .4rem;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-2);
  cursor: pointer;
}
.back:hover { color: var(--signal); }

.detail { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 2.2rem; padding-top: .5rem; }
@media (max-width: 820px) { .detail { grid-template-columns: 1fr; gap: 1.4rem; } }

.box {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: .5rem;
  box-shadow: var(--shadow);
}
.box video { width: 100%; border-radius: 2px; background: #000; display: block; }

.plate {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  padding: .5rem .3rem .2rem;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.plate .dot { width: .5rem; height: .5rem; border-radius: 50%; background: var(--ink-3); }
.plate .dot[data-status="spark"]      { background: var(--signal); }
.plate .dot[data-status="developing"] { background: var(--amber); }
.plate .dot[data-status="parked"]     { background: var(--slate); }
.plate .dot[data-status="done"]       { background: var(--moss); }

.field { display: grid; gap: .3rem; margin-bottom: 1.1rem; }
.field > label {
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.field input, .field textarea, .field select {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: .5rem .65rem;
  width: 100%;
}
.field textarea { min-height: 9rem; resize: vertical; line-height: 1.6; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--ink-3); }

.title-field input {
  font-family: var(--display);
  font-size: 1.4rem;
  letter-spacing: .01em;
  padding: .45rem .55rem;
}

.row { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }

.statuses { display: flex; gap: .4rem; flex-wrap: wrap; }

.saved {
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  min-height: 1rem;
}

.danger {
  background: none;
  border: 0;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0;
}
.danger:hover { color: var(--signal); }

.detail-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: .6rem;
  border-top: 1px solid var(--rule);
}

/* ---- songs ---------------------------------------------------------------- */

.songs { display: grid; gap: 0; border-top: 1px solid var(--rule); }

.song-row {
  display: grid;
  grid-template-columns: 74px 1fr auto;
  gap: .9rem;
  align-items: center;
  width: 100%;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--rule);
  padding: .7rem 0;
  cursor: pointer;
  text-align: left;
  color: inherit;
}
.song-row:hover { background: color-mix(in srgb, var(--card) 70%, transparent); }
.song-row h3 { margin: 0; font-family: var(--display); font-size: 1.05rem; font-weight: 500; letter-spacing: .02em; }

.newbar { display: flex; gap: .6rem; padding: 1.2rem 0; align-items: center; }
.newbar input {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: .5rem .7rem;
}

.btn {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  padding: .55rem 1rem;
  cursor: pointer;
}
.btn:hover { background: var(--signal); border-color: var(--signal); color: #fff; }
.btn.ghost { background: none; color: var(--ink-2); }
.btn.ghost:hover { background: none; color: var(--signal); border-color: var(--signal); }

.order { display: flex; gap: .3rem; }
.order button {
  font-family: var(--mono);
  font-size: .8rem;
  background: none;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  width: 1.9rem;
  height: 1.9rem;
  cursor: pointer;
  color: var(--ink-2);
}
.order button:hover:not(:disabled) { border-color: var(--signal); color: var(--signal); }
.order button:disabled { opacity: .3; cursor: default; }

/* ---- lock ----------------------------------------------------------------- */

.lock {
  min-height: 100svh;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 1.2rem;
  padding: var(--gutter);
  text-align: center;
}
.lock .wordmark { font-size: 1.3rem; cursor: default; }
.lock p { margin: 0; color: var(--ink-2); max-width: 26rem; }
.lock form { display: flex; gap: .5rem; }
.lock input {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: .6rem .8rem;
  font-family: var(--mono);
  letter-spacing: .2em;
  text-align: center;
  width: 11rem;
}
.lock .err { color: var(--signal); font-family: var(--mono); font-size: .74rem; min-height: 1.2rem; }

/* ---- recorder overlay ----------------------------------------------------- */

.overlay {
  position: fixed;
  inset: 0;
  background: #0B0E0B;
  display: grid;
  grid-template-rows: 1fr auto;
  z-index: 20;
}
.overlay video { width: 100%; height: 100%; object-fit: contain; background: #000; }
.overlay .controls {
  display: grid;
  justify-items: center;
  gap: .8rem;
  padding: 1.6rem 1rem calc(1.6rem + env(safe-area-inset-bottom));
}
.overlay .clock {
  font-family: var(--mono);
  color: #E7EBE2;
  letter-spacing: .16em;
  font-variant-numeric: tabular-nums;
}
.overlay .clock.rolling::before {
  content: "";
  display: inline-block;
  width: .55rem; height: .55rem;
  border-radius: 50%;
  background: var(--signal);
  margin-right: .5rem;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: .15; } }

.overlay .stop {
  width: 84px; height: 84px;
  border-radius: 50%;
  background: var(--signal);
  border: 4px solid rgba(255,255,255,.85);
  cursor: pointer;
  display: grid; place-items: center;
}
.overlay .stop[data-rolling="true"]::after {
  content: "";
  width: 26px; height: 26px;
  border-radius: 3px;
  background: #fff;
}
.overlay .close {
  background: none; border: 0;
  color: #9AA79C;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
}

/* ---- progress + toast ----------------------------------------------------- */

.uploading {
  display: grid;
  gap: .5rem;
  padding: 1rem 0;
  justify-items: center;
}
.bar { width: min(24rem, 100%); height: 3px; background: var(--sunk); border-radius: 3px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--signal); transition: width .2s ease; }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(1.4rem + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .08em;
  padding: .6rem 1rem;
  border-radius: 100px;
  z-index: 30;
  box-shadow: var(--shadow);
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}