:root {
  --text-main: #eff8fc;
  --text-soft: rgba(235, 249, 255, 0.9);
  --accent: #8ecfe5;
  --accent-2: #bfefd7;
  --accent-ink: #173947;
  --ui-size: 78px;
  --ui-pad: 20px;
  --dock-bg: rgba(9, 20, 29, 0.5);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #061018;
  color: var(--text-main);
  font-family: "Fraunces", "Georgia", serif;
}

body {
  touch-action: none;
  user-select: none;
}

.app-shell {
  position: fixed;
  left: 0;
  top: 0;
  width: 1920px;
  height: 1080px;
  transform-origin: top left;
  overflow: hidden;
}

#fluid-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

#particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}

.ui-top {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.mode-center {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  display: grid;
  justify-items: center;
  gap: 8px;
  pointer-events: auto;
}

.mode-utility {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--dock-bg);
  border: 1px solid rgba(211, 232, 239, 0.3);
  backdrop-filter: blur(6px);
}

.mode-utility-right {
  position: absolute;
  right: 18px;
  bottom: 18px;
  pointer-events: auto;
}

.intensity-dock {
  display: flex;
  gap: 8px;
}

.intensity-btn {
  border: 0;
  border-radius: 999px;
  min-width: 70px;
  min-height: 42px;
  padding: 0 15px;
  background: rgba(241, 253, 255, 0.12);
  color: #eef9fd;
  font: 700 16px/1 "Josefin Sans", "Trebuchet MS", sans-serif;
  letter-spacing: 0.2px;
  cursor: pointer;
}

.intensity-btn.is-active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-ink);
  box-shadow: 0 0 0 2px rgba(240, 253, 255, 0.54), 0 10px 24px rgba(77, 161, 181, 0.3);
}

.clear-btn {
  border: 0;
  border-radius: 999px;
  min-height: 42px;
  padding: 0 16px;
  background: rgba(244, 254, 255, 0.16);
  color: #f4fcff;
  font: 700 16px/1 "Josefin Sans", "Trebuchet MS", sans-serif;
  letter-spacing: 0.25px;
  cursor: pointer;
}

.mood-dock {
  display: flex;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--dock-bg);
  border: 1px solid rgba(211, 232, 239, 0.3);
  backdrop-filter: blur(6px);
}

.mood-btn {
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 999px;
  width: 96px;
  height: 96px;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 6px;
  background: rgba(18, 37, 45, 0.58);
  color: #edf8fb;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.mood-btn[data-palette="calma"] {
  background: radial-gradient(circle at 30% 25%, rgba(126, 206, 230, 0.72), rgba(31, 74, 99, 0.92));
}

.mood-btn[data-palette="alegria-turbo"] {
  background: radial-gradient(circle at 30% 25%, rgba(255, 246, 105, 0.76), rgba(206, 79, 255, 0.92));
}

.mood-btn[data-palette="atardecer"] {
  background: radial-gradient(circle at 30% 25%, rgba(255, 203, 145, 0.74), rgba(151, 73, 101, 0.9));
}

.mood-btn[data-palette="energia"] {
  background: radial-gradient(circle at 30% 25%, rgba(102, 255, 245, 0.76), rgba(83, 55, 193, 0.92));
}

.mood-btn.is-active {
  color: var(--accent-ink);
  filter: saturate(1.2) brightness(1.08);
  box-shadow: 0 0 0 3px rgba(240, 253, 255, 0.72), 0 10px 24px rgba(77, 161, 181, 0.35);
}

.mood-icon {
  width: 30px;
  height: 30px;
  display: block;
}

.mood-icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.mood-label {
  font: 700 13px/1.05 "Josefin Sans", "Trebuchet MS", sans-serif;
  letter-spacing: 0.2px;
}

.floating-right {
  position: absolute;
  top: var(--ui-pad);
  right: var(--ui-pad);
  pointer-events: none;
}

.icon-button {
  pointer-events: auto;
  width: var(--ui-size);
  height: var(--ui-size);
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(7, 11, 15, 0.5);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.35);
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 10px;
  touch-action: manipulation;
}

.icon-button img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.45));
}

#volume-toggle.is-muted {
  opacity: 0.62;
}

.volume-control {
  position: absolute;
  left: var(--ui-pad);
  bottom: calc(var(--ui-pad) + 6px);
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: auto;
}

#volume-slider {
  width: 220px;
  background: transparent;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  appearance: none;
}

#volume-slider::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(226, 236, 243, 0.45);
}

#volume-slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  margin-top: -6px;
  border-radius: 999px;
  border: 1px solid rgba(40, 69, 80, 0.55);
  background: #eef8ff;
}

#volume-slider::-moz-range-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(226, 236, 243, 0.45);
}

#volume-slider::-moz-range-progress {
  height: 8px;
  border-radius: 999px;
  background: rgba(226, 236, 243, 0.45);
}

#volume-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  border: 1px solid rgba(40, 69, 80, 0.55);
  background: #eef8ff;
}

.volume-control.open #volume-slider {
  opacity: 1;
  pointer-events: auto;
}