:root {
  --primary-red: #EA4335;
  --primary-yellow: #FBBC05;
  --primary-blue: #007aff;
  --primary-green: #34A853;
  --primary-text-color: rgba(0, 0, 0, 0.9);
  --secondary-text-color: rgba(0, 0, 0, 0.7);
  --track-height: 88px;
  --track-radius: 8px;
  --light-gray: rgba(0, 12, 0, 0.08);
  --accent-color: var(--primary-blue);
  --accent-color-transparent: color-mix(in srgb, var(--accent-color) 12%, transparent);
  --accent-color-light: color-mix(in srgb, var(--accent-color) 95%, white);
  --accent-color-dark: color-mix(in srgb, var(--accent-color) 90%, black);
  --waveform-color: var(--accent-color);
  --track-playhead-color: white;
}

.material-symbols-rounded {
  font-variation-settings:
  'FILL' 1,
  'wght' 400,
  'GRAD' 0,
  'opsz' 24;
  color: var(--primary-text-color);
}

.material-symbols-rounded.md-18 {
  font-size: 18px;
}

.material-symbols-rounded.md-20 {
  font-size: 20px;
}

html, body {
  font-family: "Inter", sans-serif;
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  color: var(--primary-text-color);
  touch-action: manipulation;
}

body {
  background: rgb(246, 244, 240);
  min-height: 100svh;
  min-height: 100dvh;
  overscroll-behavior-y: none;
}

a {
  font-family: "Inter", sans-serif;
  text-decoration: none;
  color: var(--secondary-text-color);
}

a,
button,
[role="button"],
.btn {
  touch-action: manipulation;
}

::selection {
  background: transparent;
  color: inherit;
}

header {
  position: fixed;
  top: 0px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
  height: auto;
  padding: 16px;
  display: none;
}


footer {
  position: fixed;
  bottom: 8px;
  width: 100%;
  box-sizing: border-box;
  padding: 0px 16px;
  font-size: 12px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  color: var(--secondary-text-color);
}

.btn {
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  background-color: var(--accent-color-transparent);
  height: 44px;
  border-radius: 22px;
  padding: 0px 32px;
  min-width: 48px;
}

.btn-large {
  height: 56px;
  border-radius: 44px;
  padding: 0px 32px;
  min-width: 100px;
  margin-top: 16px;
  background-color: var(--light-gray);
}

.btn-round {
  width: 44px;
  min-width: 44px;
  padding: 0;
}

#logo {
  font-size: 24px;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-weight: 800;
  display: flex;
  justify-content: center;
  align-items: center;
  letter-spacing: -2px;
}

#main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 0 16px;
  box-sizing: border-box;
  display: none;
}
#track {
  width: 100%;
  height: var(--track-height);
  border-radius: var(--track-radius);
  overflow: hidden;
  position: relative;
  box-sizing: border-box;
}

#track-bg {
  background-color: var(--light-gray);
  height: 100%;
  width: 100%;
  position: absolute;
  left: 0;
  top: 0;
}

#track-waveform {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#track-waveform canvas {
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}
#track-select {
  position: absolute;
  height: 100%;
  width: 240px;
  pointer-events: none;
  border-top: 2px solid var(--accent-color-dark);
  border-bottom: 2px solid var(--accent-color-dark);
  border-left: 0;
  border-right: 0;
  box-sizing: border-box;
  overflow: hidden;
  z-index: 2;
  mix-blend-mode: normal;
}

#track-playhead {
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  z-index: 5;
  background-color: var(--track-playhead-color);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
}

#track-handles {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
.track-handle {
  position: absolute;
  width: 16px;
  height: var(--track-height);
  background-color: var(--accent-color-dark);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
}

.track-handle-inner {
  left: 0;
  top: 0;
  width: 2px;
  height: 25%;
  border-radius: 1px;
  background-color: var(--accent-color-light);
}

#track-handle-start {
  left: 0px;
  border-radius: var(--track-radius) 0px 0px var(--track-radius);
}

#track-handle-end {
  left: 240px;
  border-radius: 0px var(--track-radius) var(--track-radius) 0px;
}

#main-btns {
  margin-top: 16px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  width: 100%;
  gap: 12px;
}

.btn-group {
  display: flex;
  flex-direction: row;
  gap: 8px;
}

#main-save-btn {
  background-color: var(--light-gray);
}

#upload-btn {
  background-color: var(--light-gray);
}

#filename {
  color: var(--primary-text-color);
  font-weight: 500;
  width: 100%;
  text-align: center;
  margin-bottom: 12px;
}

#welcome {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(500px, calc(100% - 48px));
  max-width: 500px;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 20;
}

.sticker-hexagon,
.sticker-circle,
.sticker-pill {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.4px;
  line-height: 1;
  color: white;
  pointer-events: none;
  z-index: 3;
  letter-spacing: -0.5px;
}

.sticker-pill {
  width: 114px;
  height: 28px;
  border-radius: 8px;
  background: var(--primary-yellow);
  z-index: 2;
}

.sticker-hexagon,
.sticker-circle {
  --sticker-bg: var(--primary-yellow);
  --sticker-shadow-mix: 72%;
  --sticker-grad-top: 92%;
  --sticker-grad-bottom: 92%;
  isolation: isolate;
  background: transparent;
}

.sticker-hexagon::before,
.sticker-hexagon::after,
.sticker-circle::before,
.sticker-circle::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.sticker-hexagon::before,
.sticker-circle::before {
  background: color-mix(in srgb, var(--sticker-bg) var(--sticker-shadow-mix), black);
  transform: translateY(1px);
  z-index: -2;
}

.sticker-hexagon::after,
.sticker-circle::after {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--sticker-bg) var(--sticker-grad-top), white) 0%,
    color-mix(in srgb, var(--sticker-bg) var(--sticker-grad-bottom), black) 100%
  );
  z-index: -1;
}

.sticker-circle {
  width: 88px;
  height: 88px;
  --sticker-bg: var(--primary-blue);
  --sticker-grad-top: 84%;
  --sticker-grad-bottom: 88%;
  padding: 12px;
  box-sizing: border-box;
  text-align: center;
  line-height: 1.2;
}

.sticker-circle,
.sticker-circle::before,
.sticker-circle::after {
  border-radius: 50%;
}

.sticker-hexagon {
  width: 122px;
  height: 52px;
  --sticker-bg: var(--primary-red);
}

.sticker-hexagon::before,
.sticker-hexagon::after {
  clip-path: polygon(12% 0, 88% 0, 100% 50%, 88% 100%, 12% 100%, 0 50%);
}

#sticker-romaji {
  top: -30px;
  left: -8px;
  transform: rotate(-12deg);
}

#sticker-translation {
  top: 24px;
  right: 0px;
  transform: rotate(-8deg);
}

#sticker-pill {
  top: 102px;
  left: 130px;
  transform: rotate(6deg);
}

h1 {
  position: relative;
  z-index: 1;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-weight: 800;
  font-size: 104px;
  text-align: center;
  margin: 0px;
  margin-bottom: 8px;
  letter-spacing: -5px;
  color: var(--primary-text-color);
}
h2 {
  margin-top: 24px;
  font-size: 18px;
  font-weight: 500;
  text-align: center;
  line-height: 1.25;
}

@media (max-width: 420px) {
  #welcome {
    width: calc(100% - 32px);
    max-width: 360px;
  }

  #main-btns {
    flex-direction: column;
    gap: 8px;
  }

  .btn-group {
    width: 100%;
    justify-content: space-between;
  }

  .btn-group .btn {
    flex: 1 1 0;
  }

  #btn-group-end {
    position: fixed;
    bottom: 40px;
    left: 16px;
    right: 16px;
    width: auto;
    box-sizing: border-box;
  }

  .btn-round {
    flex: 0 0 44px;
  }

  h1 {
    font-size: 74px;
    letter-spacing: -3px;
    margin-bottom: 4px;
  }

  p {
    max-width: 300px;
    font-size: 14px;
  }

  .sticker-hexagon {
    width: 88px;
    height: 38px;
    font-size: 11px;
  }

  .sticker-circle {
    width: 64px;
    height: 64px;
    padding: 8px;
    font-size: 11px;
  }

  .sticker-pill {
    width: 74px;
    height: 16px;
    font-size: 10px;
    border-radius: 999px;
  }

  #sticker-romaji {
    top: -24px;
    left: 0px;
    transform: rotate(-10deg);
  }

  #sticker-translation {
    top: -12px;
    right: 0px;
    transform: rotate(6deg);
  }

  #sticker-pill {
    top: 72px;
    left: 88px;
    transform: rotate(5deg);
  }
}