/* assets/styles/pages/learn/learn-real-measure.css */
/* Connected 4/4 measure used in lesson example sections. */

.real-measure-example-wrap {
  direction: ltr;
  margin: 24px 0 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.real-measure-staff {
  --staff-line-y: 52%;
  direction: ltr;
  unicode-bidi: isolate;
  position: relative;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  align-items: stretch;
  width: 100%;
  min-height: 150px;
  padding: 24px 18px 28px;
  border-radius: 26px;
  border: 1px solid rgba(255,224,138,.34);
  background:
    linear-gradient(to bottom, transparent calc(var(--staff-line-y) - 1px), rgba(255,224,138,.9) var(--staff-line-y), rgba(255,224,138,.9) calc(var(--staff-line-y) + 2px), transparent calc(var(--staff-line-y) + 3px)),
    radial-gradient(circle at 20% 10%, rgba(255,224,138,.12), transparent 16rem),
    rgba(9,9,11,.32);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 18px 42px rgba(0,0,0,.22);
  overflow: hidden;
}

.real-measure-signature {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff3bd;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 2.35rem;
  font-weight: 900;
  line-height: .78;
  text-shadow: 0 0 14px rgba(255,224,138,.18);
}

.real-measure-body {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-left: 4px solid rgba(255,224,138,.86);
  border-right: 4px solid rgba(255,224,138,.58);
}

.real-measure-beat {
  position: relative;
  min-width: 0;
  min-height: 98px;
  border-right: 2px solid rgba(255,224,138,.44);
  transition: background .18s ease, box-shadow .18s ease, transform .18s ease;
}

.real-measure-beat:last-child { border-right: 0; }

.real-measure-beat.is-active {
  background: radial-gradient(circle at 50% 52%, rgba(255,224,138,.28), transparent 58%);
  box-shadow: inset 0 0 22px rgba(255,224,138,.20);
}

.real-measure-beat.is-played .real-measure-count,
.real-measure-beat.is-active .real-measure-count {
  color: #fff3bd;
}

.real-measure-symbol {
  position: absolute;
  left: 50%;
  top: var(--staff-line-y);
  display: block;
  width: 0;
  height: 0;
  color: transparent;
  font-size: 0;
  transform: translate(-50%, -50%);
}

.real-measure-beat[data-kind='sound'] .real-measure-symbol::before,
.real-measure-beat[data-kind='dum'] .real-measure-symbol::before,
.real-measure-beat[data-kind='tak'] .real-measure-symbol::before {
  content: '';
  position: absolute;
  left: -14px;
  top: -10px;
  width: 31px;
  height: 22px;
  border-radius: 50%;
  background: #fff3bd;
  box-shadow: 0 0 18px rgba(255,224,138,.28);
  transform: rotate(-12deg);
  transition: background .18s ease, box-shadow .18s ease, transform .18s ease;
}

.real-measure-beat[data-kind='sound'] .real-measure-symbol::after,
.real-measure-beat[data-kind='dum'] .real-measure-symbol::after,
.real-measure-beat[data-kind='tak'] .real-measure-symbol::after {
  content: '';
  position: absolute;
  left: 11px;
  top: -62px;
  width: 5px;
  height: 64px;
  border-radius: 999px;
  background: #fff3bd;
  box-shadow: 0 0 12px rgba(255,224,138,.18);
  transition: background .18s ease, box-shadow .18s ease;
}

.real-measure-beat.is-active[data-kind='sound'] .real-measure-symbol::before,
.real-measure-beat.is-active[data-kind='dum'] .real-measure-symbol::before,
.real-measure-beat.is-active[data-kind='tak'] .real-measure-symbol::before {
  background: #fff8cf;
  box-shadow: 0 0 24px rgba(255,224,138,.58), 0 0 42px rgba(255,184,108,.34);
  transform: rotate(-12deg) scale(1.12);
}

.real-measure-beat.is-active[data-kind='sound'] .real-measure-symbol::after,
.real-measure-beat.is-active[data-kind='dum'] .real-measure-symbol::after,
.real-measure-beat.is-active[data-kind='tak'] .real-measure-symbol::after {
  background: #fff8cf;
  box-shadow: 0 0 20px rgba(255,224,138,.52);
}

.real-measure-beat[data-kind='dum'] .real-measure-symbol,
.real-measure-beat[data-kind='tak'] .real-measure-symbol {
  width: 0;
  height: 0;
  color: transparent;
  font-size: 0;
  transform: translate(-50%, -50%);
}

.real-measure-beat[data-kind='dum'] .real-measure-symbol {
  top: calc(var(--staff-line-y) + 4px);
}

.real-measure-beat[data-kind='tak'] .real-measure-symbol {
  top: calc(var(--staff-line-y) - 2px);
}

.real-measure-beat[data-kind='dum']::before,
.real-measure-beat[data-kind='tak']::before {
  position: absolute;
  left: 50%;
  bottom: 35px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  min-height: 24px;
  padding: 2px 6px 3px;
  border-radius: 999px;
  color: #fff3bd;
  font-family: Cairo, sans-serif;
  font-size: .92rem;
  font-weight: 900;
  line-height: 1;
  background: rgba(9,9,11,.74);
  border: 1px solid rgba(255,224,138,.36);
  text-shadow: 0 0 14px rgba(255,224,138,.28);
  transform: translateX(-50%);
  transition: color .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.real-measure-beat[data-kind='dum']::before { content: 'دُم'; }
.real-measure-beat[data-kind='tak']::before { content: 'تَك'; }

.real-measure-beat.is-active[data-kind='dum']::before,
.real-measure-beat.is-active[data-kind='tak']::before {
  color: #16120b;
  background: #fff3bd;
  border-color: rgba(255,224,138,.9);
  box-shadow: 0 0 22px rgba(255,224,138,.42);
  transform: translateX(-50%) scale(1.06);
}

.real-measure-beat[data-kind='tak'] .real-measure-symbol::before {
  width: 25px;
  height: 18px;
  left: -11px;
  top: -8px;
  opacity: .92;
}

.real-measure-beat[data-kind='tak'] .real-measure-symbol::after {
  left: -12px;
  top: -48px;
  height: 50px;
  width: 4px;
  opacity: .92;
}

.real-measure-beat[data-kind='silence'] .real-measure-symbol {
  width: auto;
  height: auto;
  color: #fff3bd;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 0 18px rgba(255,224,138,.28);
  transform: translate(-50%, -58%);
  transition: color .18s ease, text-shadow .18s ease, transform .18s ease;
}

.real-measure-beat.is-active[data-kind='silence'] .real-measure-symbol {
  color: #fff8cf;
  text-shadow: 0 0 26px rgba(255,224,138,.60), 0 0 46px rgba(255,184,108,.34);
  transform: translate(-50%, -58%) scale(1.08);
}

.real-measure-count {
  position: absolute;
  left: 50%;
  bottom: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  min-height: 22px;
  color: rgba(255,255,255,.72);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.1rem;
  font-weight: 900;
  transform: translateX(-50%);
  transition: color .18s ease, transform .18s ease;
}

.real-measure-beat.is-active .real-measure-count {
  transform: translateX(-50%) scale(1.12);
}

.real-measure-play-btn {
  direction: rtl;
  position: static !important;
  min-height: 44px;
  margin: 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,224,138,.55);
  background: linear-gradient(135deg, rgba(255,224,138,.96), rgba(255,184,108,.96) 48%, rgba(255,143,177,.94));
  color: #16120b;
  font-family: inherit;
  font-size: .95rem;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 14px 34px rgba(0,0,0,.28), 0 0 24px rgba(255,224,138,.16);
  cursor: pointer;
  transform: none !important;
}

.real-measure-play-btn:disabled {
  opacity: .74;
  cursor: wait;
}

.real-measure-play-btn:hover,
.real-measure-play-btn:focus-visible {
  outline: none;
  transform: translateY(-1px) !important;
  box-shadow: 0 18px 38px rgba(0,0,0,.32), 0 0 30px rgba(255,224,138,.24);
}

@media (max-width: 640px) {
  .real-measure-example-wrap {
    margin: 20px -6px 16px;
    gap: 14px;
  }

  .real-measure-staff {
    grid-template-columns: 42px minmax(0, 1fr);
    min-height: 128px;
    padding: 20px 8px 24px;
    border-radius: 22px;
  }

  .real-measure-signature {
    font-size: 1.9rem;
  }

  .real-measure-body {
    border-left-width: 3px;
    border-right-width: 3px;
  }

  .real-measure-beat {
    min-height: 84px;
    border-right-width: 2px;
  }

  .real-measure-beat[data-kind='sound'] .real-measure-symbol::before,
  .real-measure-beat[data-kind='dum'] .real-measure-symbol::before {
    left: -11px;
    top: -8px;
    width: 25px;
    height: 18px;
  }

  .real-measure-beat[data-kind='sound'] .real-measure-symbol::after,
  .real-measure-beat[data-kind='dum'] .real-measure-symbol::after {
    left: 9px;
    top: -49px;
    width: 4px;
    height: 51px;
  }

  .real-measure-beat[data-kind='tak'] .real-measure-symbol::before {
    width: 22px;
    height: 16px;
    left: -10px;
    top: -7px;
  }

  .real-measure-beat[data-kind='tak'] .real-measure-symbol::after {
    left: -10px;
    top: -41px;
    height: 43px;
    width: 3px;
  }

  .real-measure-beat[data-kind='dum']::before,
  .real-measure-beat[data-kind='tak']::before {
    bottom: 30px;
    min-width: 34px;
    min-height: 21px;
    padding: 1px 5px 3px;
    font-size: .74rem;
  }

  .real-measure-beat[data-kind='silence'] .real-measure-symbol {
    font-size: 3.15rem;
  }

  .real-measure-count {
    bottom: 5px;
    font-size: .96rem;
  }

  .real-measure-play-btn {
    min-height: 40px;
    padding: 8px 14px;
    font-size: .86rem;
    white-space: nowrap;
  }
}