@import 'reset.css';
@import 'fonts.css';
@import 'layout.css';

/* ───────── text ───────── */
.Eyebrow,
.Status,
.Plate,
.Digits__unit,
.Window__meta {
  font-size: 10px;
}

.Eyebrow,
.Digits__unit {
  opacity: 0.65;
}

.Plate {
  grid-column: 1 / -1;
  text-align: right;
  opacity: 0.6;
}

.Header__title {
  font-family: 'Doto', monospace;
  font-weight: 700;
  font-size: min(11.2vw, 142px);
  margin: 0.1em 0;
  line-height: 1; /* the line always contains the letters: nothing can overlap the title */
  letter-spacing: 0.04em;
  color: var(--ink);
  filter: blur(calc(var(--sleep) * 1px));
  opacity: calc(1 - var(--sleep) * 0.3);
}

/* modern browsers cut the empty space of the font above and below the capitals */
@supports (text-box: trim-both cap alphabetic) {
  .Header__title {
    margin: 0.3em 0 0.22em;
    text-box: trim-both cap alphabetic;
  }
}

.Header__tagline {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: none;
}

/* ───────── buttons: flat, outlined, invert on hover ───────── */
.Button,
.Stage,
.Wave,
.Pad,
.Channel__button {
  border: var(--stroke);
  color: var(--ink);
  background: var(--cream);
  cursor: pointer;
  transition:
    background-color 0.15s,
    color 0.15s,
    box-shadow 0.15s;
}

.Button,
.Stage,
.Wave {
  padding: 10px 14px;
  border-radius: 6px;
  letter-spacing: inherit;
  text-transform: inherit;
}

.Button--accent {
  background: var(--pink);
}

.Button--wide {
  width: 100%;
}

.Button:hover,
.Stage:hover,
.Wave:hover,
.Pad:hover,
.Channel__button:hover {
  color: var(--ink);
  background: var(--pink-soft);
  box-shadow: 0 0 14px rgba(255, 143, 184, 0.85);
}

.Button--accent:hover {
  background: #ffb1cd;
}

.Stage.is-active,
.Waves .Wave.is-active,
.Channel__button.is-active,
.Button.is-active {
  color: var(--ink);
  background: var(--pink);
  box-shadow: 0 0 14px var(--pink);
}

/* the night as a ladder: stage name on the left, time on the right */
.Stage {
  display: flex;
  justify-content: space-between;
  width: 100%;
  background: var(--mint);
}

.Stage::after {
  content: attr(data-time);
  font-family: 'Doto', monospace;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.05em;
}

/* ───────── dream window ───────── */
.Window {
  position: relative;
  flex: 1;
  min-height: 340px;
  overflow: hidden;
  border: var(--stroke);
  border-radius: 6px;
  background: var(--ink);
  box-shadow:
    0 0 36px rgba(129, 216, 208, 0.4),
    0 0 calc(var(--rem) * 60px) calc(var(--rem) * 8px) var(--pink);
  transition: box-shadow 0.8s;
}

/* a measuring scale along the bottom edge */
.Window::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    rgba(255, 247, 244, 0.4) 0 1px,
    transparent 1px 10px
  );
  pointer-events: none;
}

.Window__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.Window__label,
.Window__hint {
  position: absolute;
  top: 16px;
  font-size: 10px;
  color: var(--tiffany);
}

.Window__label {
  left: 20px;
}

.Window__label .is-hot {
  color: #ff6b4a;
}

.Window__hint {
  right: 20px;
  max-width: 60%;
  overflow: hidden;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--pink-soft);
}

.Window__caption {
  position: absolute;
  bottom: 28px;
  left: 20px;
  max-width: 68%;
  padding: 14px 18px;
  background: rgba(13, 56, 54, 0.78);
  color: var(--cream);
}

.Window__phase {
  font-family: 'Bodoni Moda', serif;
  font-style: italic;
  font-size: 34px;
  line-height: 1.05;
  letter-spacing: 0;
  text-transform: none;
  color: var(--tiffany);
}

.Window__dream {
  margin-top: 8px;
  font-family: 'Bodoni Moda', serif;
  font-style: italic;
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: 0;
  text-transform: none;
}

.Window__meta {
  margin-top: 10px;
  color: var(--pink-soft);
}

.is-new {
  animation: appear 1.2s;
}

@keyframes appear {
  from {
    opacity: 0;
    filter: blur(8px);
  }
}

/* ───────── panels ───────── */
.Panel {
  display: flex;
  flex-direction: column;
  --ring: var(--ink);
  --glow: var(--pink);
  padding: 22px;
  border: var(--stroke);
  border-radius: 6px;
  background: var(--cream);
}

.Panel--body {
  --ring: var(--tiffany-deep);
  --glow: var(--tiffany-deep);
  background: var(--mint);
}

.Panel--brain {
  --ring: var(--pink-deep);
  --glow: var(--pink-deep);
  background: var(--pink-soft);
}

.Panel__label {
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.Panel__label::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--ring);
}

.Panel__description {
  margin: 6px 0 16px;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: none;
  opacity: 0.7;
}

.Waves {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  margin-bottom: 26px;
}

.Waves .Wave {
  flex: 1;
  height: 100%;
  padding: 0;
}

.Readout {
  margin: 8px 0 0;
  text-align: center;
  font-size: 10px;
  opacity: 0.7;
}

/* EEG bands: four LED columns that follow the state of the sleeper */
.Bands {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.Band {
  --level: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.Band__bar {
  display: flex;
  align-items: flex-end;
  height: 54px;
  background: repeating-linear-gradient(
    0deg,
    rgba(13, 56, 54, 0.14) 0 4px,
    transparent 4px 7px
  );
}

.Band__fill {
  display: block;
  width: 100%;
  height: calc(var(--level) * 100%);
  background: repeating-linear-gradient(
    0deg,
    var(--tone, var(--ink)) 0 4px,
    transparent 4px 7px
  );
  transition: height 0.4s;
}

.Band[data-band='delta'] {
  --tone: var(--tiffany-deep);
}

.Band[data-band='theta'] {
  --tone: var(--tiffany);
}

.Band[data-band='alpha'] {
  --tone: var(--pink);
}

.Band[data-band='beta'] {
  --tone: var(--pink-deep);
}

.Band__label {
  font-size: 9px;
  line-height: 1.4;
  text-align: center;
  opacity: 0.7;
}

/* dot-matrix readouts */
.Digits {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
}

.Digits__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.Panel__subtitle {
  margin: 22px 0 10px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  opacity: 0.7;
}

.Digits__value {
  font-family: 'Doto', monospace;
  font-weight: 700;
  font-size: 54px;
  line-height: 1;
  letter-spacing: 0.02em;
}

/* ───────── knobs: ring, printed scale, cap ───────── */
.Knobs {
  margin-block: auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px 18px;
}

.Knobs--sleep {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.Knob--large {
  grid-column: 1 / -1;
}

.Knob {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  cursor: ns-resize;
  user-select: none;
  touch-action: none;
}

.Knob__dial {
  --norm: 0;
  position: relative;
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: conic-gradient(
    from -135deg,
    var(--ring) calc(var(--norm) * 270deg),
    var(--line) 0 270deg,
    transparent 0
  );
}

.Knob--large .Knob__dial {
  width: 118px;
  height: 118px;
}

/* printed scale around the dial: 11 marks over 270 degrees */
.Knob__dial::after {
  content: '';
  position: absolute;
  inset: -11px;
  border-radius: 50%;
  background: repeating-conic-gradient(
    from -135deg,
    rgba(13, 56, 54, 0.65) 0 1.4deg,
    transparent 1.4deg 27deg
  );
  -webkit-mask:
    radial-gradient(
      circle closest-side,
      transparent calc(100% - 7px),
      #000 calc(100% - 7px)
    ),
    conic-gradient(from -135deg, #000 0 271deg, transparent 0);
  -webkit-mask-composite: source-in;
  mask:
    radial-gradient(
      circle closest-side,
      transparent calc(100% - 7px),
      #000 calc(100% - 7px)
    ),
    conic-gradient(from -135deg, #000 0 271deg, transparent 0);
  mask-composite: intersect;
  pointer-events: none;
}

.Knob__dial::before {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  border: var(--stroke);
  background: var(--cream);
}

.Knob__needle {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.Knob__needle::after {
  content: '';
  position: absolute;
  top: 12px;
  left: calc(50% - 2px);
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: var(--ring);
}

.Knob--large .Knob__needle::after {
  top: 16px;
  width: 5px;
  height: 24px;
}

.Knob:hover .Knob__dial,
.Knob:active .Knob__dial {
  filter: drop-shadow(0 0 10px var(--glow));
}

.Knob__value {
  font-size: 10px;
  opacity: 0.7;
}

/* ───────── channels ───────── */
.Channel {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 8px;
}

.Channel__name {
  font-size: 10px;
}

.Channel__fader {
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--ink);
  cursor: pointer;
}

.Channel__fader::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  border: var(--stroke);
  border-radius: 50%;
  background: var(--pink);
}

.Channel__fader::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: var(--stroke);
  border-radius: 50%;
  background: var(--pink);
}

.Channel__button {
  padding: 5px 8px;
  border-radius: 4px;
  font-size: 10px;
  background: var(--mint);
}

/* ───────── dream events: light pads, dark only while the dream plays ───────── */
.Pad {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 6px 14px;
  border-radius: 6px;
  text-align: center;
}

.Pad__icon {
  width: 34px;
  height: 34px;
  margin-bottom: 4px;
  fill: var(--ink);
  transition: fill 0.15s;
}

.Pad__ring {
  fill: none;
  stroke: var(--ink);
  stroke-dasharray: 1 3;
  stroke-linecap: round;
  stroke-width: 1.8;
  transition: stroke 0.15s;
}

.Pad__name {
  font-size: 11px;
}

.Pad__sub {
  font-size: 9px;
  opacity: 0.6;
}

.Pad.is-playing {
  color: var(--cream);
  background: var(--ink);
}

.Pad.is-playing .Pad__icon {
  fill: var(--tiffany);
}

.Pad.is-playing .Pad__ring {
  stroke: var(--tiffany);
}

/* each dream has its own small animation of dots */
.Pad.is-playing .Pad__icon circle {
  transform-box: fill-box;
  transform-origin: center;
  animation-duration: 1s;
  animation-fill-mode: both;
}

.Pad[data-dream='fall'].is-playing .Pad__icon circle {
  animation-name: dot-fall;
  animation-timing-function: ease-in;
}

.Pad[data-dream='bell'].is-playing .Pad__icon circle {
  animation-name: dot-ripple;
}

.Pad[data-dream='whisper'].is-playing .Pad__icon circle {
  animation-name: dot-wave;
}

.Pad[data-dream='whisper'].is-playing .Pad__icon circle:nth-child(2n) {
  animation-delay: 0.12s;
}

.Pad[data-dream='jolt'].is-playing .Pad__icon circle {
  animation-name: dot-shake;
  animation-duration: 0.45s;
}

.Pad[data-dream='swell'].is-playing .Pad__icon circle {
  animation-name: dot-swell;
}

@keyframes dot-fall {
  to {
    transform: translateY(14px);
    opacity: 0;
  }
}

@keyframes dot-ripple {
  50% {
    transform: scale(1.7);
    opacity: 0.4;
  }
}

@keyframes dot-wave {
  50% {
    transform: scaleY(2.6);
  }
}

@keyframes dot-shake {
  25% {
    transform: translateX(-4px);
  }

  75% {
    transform: translateX(4px);
  }
}

@keyframes dot-swell {
  50% {
    transform: scale(1.35);
  }
}

.Lab--flash {
  animation: flash 0.9s ease-out;
}

@keyframes flash {
  from {
    box-shadow: 0 0 100px 20px var(--pink);
  }
}

/* ───────── hypnogram ───────── */
.Hypnogram {
  display: block;
  width: 100%;
  height: 150px;
}

/* ───────── night log ───────── */
.Log__list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 0;
  list-style: none;
}

.Log__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-size: 11px;
}

/* the newest entry is the brightest, older ones fade away */
.Log__item:nth-child(2) {
  opacity: 0.75;
}

.Log__item:nth-child(3) {
  opacity: 0.55;
}

.Log__item:nth-child(n + 4) {
  opacity: 0.38;
}

.Log__time {
  min-width: 54px;
  font-family: 'Doto', monospace;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
}

.Log__item:first-child .Log__time {
  color: var(--pink-deep);
}

/* ───────── record button ───────── */
.Button--rec::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  background: #e8483a;
}

.Button--rec.is-recording {
  background: var(--pink);
}

.Button--rec.is-recording::before {
  animation: blink 1s steps(2) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* ───────── voice display: the note and the signal chain ───────── */
.Voice {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}

.Voice__note {
  min-width: 3em;
  font-family: 'Doto', monospace;
  font-weight: 700;
  font-size: 46px;
  line-height: 1;
}

.Voice__note.is-new {
  animation: note-tick 0.3s;
}

.Voice__label {
  font-size: 10px;
  opacity: 0.7;
}

.Chain {
  display: grid;
  grid-auto-columns: minmax(0, 1fr);
  grid-auto-flow: column;
  gap: 12px;
  margin-top: 22px;
}

.Chain__chip {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 7px 2px;
  border: var(--stroke);
  border-radius: 4px;
  background: var(--cream);
  text-align: center;
}

.Chain__chip:not(:last-child)::after {
  content: '→';
  position: absolute;
  top: 50%;
  right: -12px;
  width: 12px;
  font-size: 10px;
  text-align: center;
  transform: translateY(-50%);
}

.Chain__name {
  font-size: 8px;
  opacity: 0.7;
}

.Chain__value {
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0;
  white-space: nowrap;
}

/* every note sends a flash through the chain: you see the signal flow */
.Chain.is-flowing .Chain__chip {
  animation: chip-flash 0.5s both;
  animation-delay: calc(var(--i) * 70ms);
}

@keyframes chip-flash {
  from {
    background: color-mix(in srgb, var(--glow) 40%, var(--cream));
  }
}

@keyframes note-tick {
  from {
    opacity: 0.3;
  }
}

/* the end of the night closes the ladder of stages */
.Stage--finale {
  grid-column: 1 / -1;
}