/* Numpad overlay shared by the cabinet and the program gate (same look as the home keypad). */


.pad-layer {
  position: fixed;
  inset: 0;
  z-index: 70;
  --u: min(17.5vw, 66px);
  --gap: calc(var(--u) * 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  padding: calc(env(safe-area-inset-top, 0px) + 3.5rem) 1rem calc(env(safe-area-inset-bottom, 0px) + 2rem);
  background: rgba(226, 230, 234, 0.55);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.pad-layer[hidden] {
  display: none;
}

.pad-layer.is-open {
  opacity: 1;
}

.pad-layer__close {
  position: absolute;
  top: calc(env(safe-area-inset-top, 0px) + 0.75rem);
  right: calc(env(safe-area-inset-right, 0px) + 0.75rem);
  appearance: none;
  border: 0;
  background: none;
  padding: 0.4rem 0.8rem;
  font: inherit;
  font-size: 2rem;
  line-height: 1;
  color: rgba(42,52,64,.38);
  cursor: pointer;
  touch-action: manipulation;
}

.pad-layer__close:hover,
.pad-layer__close:focus-visible {
  color: rgba(42,52,64,.72);
  outline: none;
}

.pad-layer__hint {
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: rgba(42,52,64,.72);
}

/* Numpad body */

.numpad {
  position: relative;
  padding: calc(var(--u) * 0.32);
  border-radius: calc(var(--u) * 0.42);
  background: linear-gradient(160deg, #ffffff 0%, #f7f7f5 55%, #efefec 100%);
  box-shadow:
    inset 0 1px 0 #ffffff,
    inset 0 -2px 0 rgba(0, 0, 0, 0.04),
    0 calc(var(--u) * 0.1) 0 #e4e4e0,
    0 calc(var(--u) * 0.12) 0 #d6d6d2,
    0 calc(var(--u) * 0.5) calc(var(--u) * 0.6) calc(var(--u) * -0.2) rgba(70, 76, 86, 0.38),
    0 calc(var(--u) * 1.2) calc(var(--u) * 1.6) calc(var(--u) * -0.5) rgba(70, 76, 86, 0.3);
  transform: translateY(12px) scale(0.97);
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  user-select: none;
  -webkit-user-select: none;
}

.pad-layer.is-open .numpad {
  transform: none;
}

.numpad.is-wrong {
  animation: shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes shake {
  10%, 90% { transform: translateX(-2px); }
  20%, 80% { transform: translateX(4px); }
  30%, 50%, 70% { transform: translateX(-7px); }
  40%, 60% { transform: translateX(7px); }
}

.numpad__top {
  display: grid;
  grid-template-columns: repeat(4, var(--u));
  gap: var(--gap);
  align-items: center;
  margin-bottom: calc(var(--gap) * 1.6);
}

.numpad__leds {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: calc(var(--u) * 0.08);
  padding-left: calc(var(--u) * 0.18);
}

.numpad__leds:has(i:nth-child(5)) {
  gap: calc(var(--u) * 0.055);
}

.numpad__leds:has(i:nth-child(5)) i {
  height: calc(var(--u) * 0.055);
}

.numpad__leds:has(i:nth-child(n + 8)) {
  gap: calc(var(--u) * 0.028);
}

.numpad__leds:has(i:nth-child(n + 8)) i {
  height: calc(var(--u) * 0.038);
}

.numpad__leds i {
  display: block;
  width: calc(var(--u) * 0.24);
  height: calc(var(--u) * 0.07);
  border-radius: 99px;
  background: #3c3f44;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.4);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.numpad__leds i.is-on {
  background: #e8955f;
  box-shadow: 0 0 6px rgba(232, 149, 95, 0.9);
}

.numpad.is-success .numpad__leds i {
  background: #9fd2a6;
  box-shadow: 0 0 6px rgba(130, 200, 140, 0.9);
}

.numpad__knob {
  justify-self: center;
  width: calc(var(--u) * 0.86);
  height: calc(var(--u) * 0.86);
  border-radius: 50%;
  background:
    radial-gradient(circle at 40% 35%, #ffffff 0%, #f4f4f2 45%, #dcdcd8 100%);
  box-shadow:
    0 0 0 calc(var(--u) * 0.06) #f1f1ee,
    0 0 0 calc(var(--u) * 0.08) #d9d9d5,
    0 calc(var(--u) * 0.08) calc(var(--u) * 0.14) rgba(0, 0, 0, 0.22),
    inset 0 -2px 3px rgba(0, 0, 0, 0.08);
  position: relative;
  transition: transform 0.35s ease;
}

.numpad__knob::after {
  content: "";
  position: absolute;
  top: 12%;
  left: 50%;
  width: 2px;
  height: 18%;
  margin-left: -1px;
  border-radius: 2px;
  background: rgba(0, 0, 0, 0.18);
}

.numpad__grid {
  display: grid;
  grid-template-columns: repeat(4, var(--u));
  grid-auto-rows: var(--u);
  gap: var(--gap);
}

/* Keycaps */

.key {
  appearance: none;
  position: relative;
  display: block;
  width: var(--u);
  height: var(--u);
  border: 0;
  padding: 0;
  border-radius: calc(var(--u) * 0.16);
  background: linear-gradient(180deg, #f3f3f1 0%, #e6e6e2 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9),
    0 calc(var(--u) * 0.05) 0 #cfcfca,
    0 calc(var(--u) * 0.08) calc(var(--u) * 0.12) rgba(40, 44, 52, 0.22);
  color: #26282c;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Rounded", "Helvetica Neue", Arial, sans-serif;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.key::before {
  content: "";
  position: absolute;
  top: 5%;
  left: 9%;
  right: 9%;
  bottom: 17%;
  border-radius: calc(var(--u) * 0.12);
  background: linear-gradient(170deg, #ffffff 0%, #fbfbfa 60%, #f3f3f1 100%);
  box-shadow: inset 0 1px 0 #ffffff, 0 1px 2px rgba(0, 0, 0, 0.06);
}

.key b {
  position: absolute;
  top: 16%;
  left: 22%;
  font-weight: 700;
  font-size: calc(var(--u) * 0.26);
  line-height: 1;
  text-align: left;
}

.key[data-key="num"] b {
  font-size: calc(var(--u) * 0.2);
}

.key--tall {
  grid-row: span 2;
  height: auto;
}

.key--tall b {
  top: 12%;
}

.key--tall::before {
  bottom: 9%;
}

.key--wide {
  grid-column: span 2;
  width: auto;
}

.key--wide b {
  left: 11%;
}

.key--orange {
  background: linear-gradient(180deg, #e48b54 0%, #d0753e 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.6),
    0 calc(var(--u) * 0.05) 0 #b9632f,
    0 calc(var(--u) * 0.08) calc(var(--u) * 0.12) rgba(120, 60, 20, 0.28);
  color: #fff7f0;
}

.key--orange::before {
  background: linear-gradient(170deg, #f3a876 0%, #ec995f 60%, #e48c54 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 1px 2px rgba(0, 0, 0, 0.08);
}

.key--enter b {
  font-weight: 600;
  font-size: calc(var(--u) * 0.19);
  line-height: 1.25;
  top: 42%;
  left: 20%;
}

.key--icon {
  display: grid;
  place-items: center;
  cursor: default;
}

.key--icon svg {
  position: relative;
  width: 44%;
  height: 44%;
  margin-bottom: 10%;
  color: #fff;
  opacity: 0.95;
}

.key.is-pressed,
.key:active {
  transform: translateY(calc(var(--u) * 0.04));
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9),
    0 calc(var(--u) * 0.015) 0 #cfcfca,
    0 calc(var(--u) * 0.03) calc(var(--u) * 0.06) rgba(40, 44, 52, 0.22);
}

.key--orange.is-pressed,
.key--orange:active {
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.6),
    0 calc(var(--u) * 0.015) 0 #b9632f,
    0 calc(var(--u) * 0.03) calc(var(--u) * 0.06) rgba(120, 60, 20, 0.28);
}

.key--icon:active {
  transform: none;
}

.key:focus {
  outline: none;
}

.key:focus-visible::before {
  box-shadow: 0 0 0 2px rgba(232, 149, 95, 0.7);
}

@media (min-height: 760px) and (min-width: 600px) {
  .pad-layer {
    --u: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .numpad.is-wrong {
    animation-duration: 0.01ms;
  }
}

.pad-layer__title {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-size: 1.5rem;
  color: rgba(42, 52, 64, 0.85);
}

.pad-layer__hint {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  min-height: 1.4em;
  text-align: center;
}

/* Phone held sideways: keys scale to the height, title and hint move to the left. */
@media (max-height: 560px) and (orientation: landscape) {
  .pad-layer {
    --u: min(17.5vw, 66px, calc((100dvh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) - 24px) / 7.2));
    display: grid;
    grid-template-columns: minmax(0, 15rem) auto;
    grid-template-rows: 1fr auto auto 1fr;
    justify-content: center;
    align-items: center;
    column-gap: 2.5rem;
    row-gap: 0.4rem;
    padding: calc(env(safe-area-inset-top, 0px) + 12px) calc(env(safe-area-inset-right, 0px) + 1rem) calc(env(safe-area-inset-bottom, 0px) + 12px) calc(env(safe-area-inset-left, 0px) + 1rem);
    overflow-y: auto;
  }

  .pad-layer > .numpad {
    grid-column: 2;
    grid-row: 1 / -1;
  }

  .pad-layer__title {
    grid-column: 1;
    grid-row: 2;
    text-align: right;
  }

  .pad-layer__hint {
    grid-column: 1;
    grid-row: 3;
    text-align: right;
    font-size: 0.95rem;
  }
}