/* Shared UI: tab pill, hint, draggable dock, buttons, form inputs, HUD, toast, drop overlay. */

/* Tabs */
.tabs {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  padding: 6px;
  background: var(--panel);
  border: 2px solid var(--green);
  border-radius: 20px;
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.tab {
  background: transparent;
  color: var(--fg);
  font: 20px var(--font);
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  border-radius: 14px;
  padding: 8px 22px;
  cursor: pointer;
  transition: background-color .2s;
}

.tab:hover { background: rgba(38, 201, 80, .18); }
.tab[aria-selected="true"] { background: var(--green); }

.hint {
  position: absolute;
  top: 84px;
  left: 0;
  right: 0;
  text-align: center;
  color: var(--muted);
  font-size: 17px;
  letter-spacing: .5px;
  padding: 0 16px;
  pointer-events: none;
  z-index: 5;
}

/* Dock */
.dock {
  position: absolute;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  background: var(--panel);
  border: 2px solid var(--green);
  border-radius: 20px;
  padding: 15px 25px;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  cursor: grab;
  z-index: 10;
  width: max-content;
  max-width: calc(100% - 32px);
  box-sizing: border-box;
  touch-action: none;
}

.dock:active { cursor: grabbing; }
.grp { display: contents; }

/* Buttons */
.btn {
  background: var(--green);
  color: var(--fg);
  font: 24px var(--font);
  border: none;
  border-radius: 14px;
  padding: 12px 26px;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, .3);
  transition: background-color .2s;
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
}

.btn:hover { background: var(--green-dk); }
.btn:active { animation: bounce .3s ease; }
.btn.alt { background: transparent; box-shadow: inset 0 0 0 2px var(--green); }
.btn.alt:hover { background: rgba(38, 201, 80, .18); }

@keyframes bounce {
  30% { transform: scale(.9); }
  60% { transform: scale(1.1); }
}

/* Toggles, sliders, pickers */
label.tg,
label.sl {
  color: var(--fg);
  font-size: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  white-space: nowrap;
}

input[type=checkbox] {
  appearance: none;
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  margin: 0;
  border: 2px solid var(--green);
  border-radius: 50%;
  cursor: pointer;
  position: relative;
  transition: all .2s;
  background: transparent;
  flex: none;
}

input[type=checkbox]:checked { background: var(--green); box-shadow: 0 0 6px var(--green); }

input[type=checkbox]::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  top: 6px;
  left: 6px;
  border-radius: 50%;
  background: var(--fg);
  opacity: 0;
  transition: opacity .2s;
}

input[type=checkbox]:checked::after { opacity: 1; }

input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  width: 110px;
  height: 8px;
  margin: 0;
  background: transparent;
  border: 2px solid var(--green);
  border-radius: 8px;
  cursor: pointer;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
}

input[type=range]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: var(--green);
}

/* File inputs are triggered through their <label class="btn">. */
input[type=file] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

input[type=color] {
  -webkit-appearance: none;
  appearance: none;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 2px solid var(--green);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  overflow: hidden;
}

input[type=color]::-webkit-color-swatch-wrapper { padding: 3px; }
input[type=color]::-webkit-color-swatch { border: none; border-radius: 50%; }
input[type=color]::-moz-color-swatch { border: none; border-radius: 50%; }

label.tg.off { opacity: .4; cursor: not-allowed; }
label.tg.off input { cursor: not-allowed; }

.btn:focus-visible,
.tab:focus-visible,
input:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
}

/* HUD (roll mode) */
.hud {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--panel);
  border: 2px solid var(--green);
  border-radius: 16px;
  padding: 8px 16px;
  font-size: 20px;
  line-height: 1.3;
  z-index: 10;
  box-shadow: var(--shadow);
  font-variant-numeric: tabular-nums;
}

.hud b { color: var(--green); font-weight: normal; }

@media (max-width: 760px) {
  .hud { top: 118px; font-size: 16px; }
}

/* Toast */
.toast {
  position: absolute;
  left: 50%;
  top: 84px;
  transform: translateX(-50%) translateY(-12px);
  background: var(--panel);
  color: var(--fg);
  border: 2px solid var(--green);
  border-radius: 14px;
  padding: 8px 18px;
  font-size: 18px;
  opacity: 0;
  transition: .25s;
  pointer-events: none;
  max-width: calc(100% - 32px);
  text-align: center;
  z-index: 20;
}

.toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.bad { border-color: var(--danger); }

/* Drag-and-drop overlay */
.drop {
  position: absolute;
  inset: 14px;
  border: 4px dashed var(--green);
  border-radius: 24px;
  display: grid;
  place-items: center;
  background: rgba(17, 17, 17, .75);
  font-size: clamp(28px, 6vw, 52px);
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 2px;
  pointer-events: none;
  z-index: 30;
  text-align: center;
  padding: 0 16px;
}

@media (max-width: 620px) {
  .btn { font-size: 17px; padding: 9px 16px; }
  .tab { font-size: 16px; padding: 7px 14px; }
  label.tg,
  label.sl { font-size: 16px; }
  .dock { padding: 12px 14px; gap: 10px; }
  input[type=range] { width: 80px; }
  .hint { font-size: 14px; top: 76px; }
}