/* ------------------------------------------------ */

@font-face {
  font-family: title-font;
  src: url(../assets/JosefinSans-VariableFont_wght.ttf);
}

@font-face {
  font-family: main-font;
  src: url(../assets/Poison-Regular.ttf);
}

/* ------------------------------------------------ */

:root {
  color-scheme: light dark;
  --header-height: 5rem;
  --playback-height: 10rem;
  --background-color: light-dark(#FFF, #000);
  --playback-background-color: light-dark(#EEE, #1c1c1c);
  --text-color-title: light-dark(#444, #eee);
  --text-color: light-dark(#444, #ccc);
  --text-color-dark: light-dark(#000, #eee);

  --blur-brightness: 100%;
  --blur-opacity: 0.2;
  --blur-radius: 5rem;
  --blur-contrast: 0.6;

  --transition-time: 0.1s;
  --transition-function: ease-in;
  --border-radius: 8px;
  --fullscreen-transition-time: 0.5s;
  --page-transition-time: 0;

  scroll-behavior: smooth;
}

@property --flare-color-1 {
  syntax: '<color>';
  initial-value: #000;
  inherits: true;
}

@property --flare-color-2 {
  syntax: '<color>';
  initial-value: #000;
  inherits: true;
}

@property --flare-color-3 {
  syntax: '<color>';
  initial-value: #000;
  inherits: true;
}

@property --flare-color-4 {
  syntax: '<color>';
  initial-value: #000;
  inherits: true;
}

@property --flare-tint-1 {
  syntax: '<number>';
  initial-value: 0;
  inherits: false;
}

@property --flare-tint-2 {
  syntax: '<number>';
  initial-value: 0;
  inherits: false;
}

@property --flare-saturation {
  syntax: '<percent>';
  initial-value: 0%;
  inherits: false;
}

@media (prefers-color-scheme: light) {
  :root {
    --blur-brightness: 100%;
    --blur-opacity: 0.4;
    --blur-contrast: 1;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --blur-brightness: 100%;
    --blur-opacity: 0.3;
    --blur-contrast: 0.6;
  }
}

body {
  --playback-height: 0px;
}

body:has(.playback-controls.show) {
  --playback-height: 5rem;
}

:root.light {
  color-scheme: light;
  --blur-brightness: 100%;
  --blur-opacity: 0.4;
  --blur-contrast: 1;
}

:root.dark {
  color-scheme: dark;
  --blur-brightness: 100%;
  --blur-opacity: 0.3;
  --blur-contrast: 0.6;
}


/* ------------------------------------------------ */

* {
  box-sizing: border-box;
  transition: color var(--transition-time), 
              background-color var(--transition-time), 
              opacity var(--transition-time), 
              fill var(--transition-time), 
              backdrop-filter var(--transition-time), 
              filter var(--transition-time);
  transition-timing-function: var(--transition-function);
  letter-spacing: 1px;
}

/* ------------------------------------------------ */

body {
  font-family: main-font;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  overflow-y: scroll;

  background-image: linear-gradient(#0000, var(--background-color) 80vh),
                    url(/assets/gear.png);
  background-position:top center;
  background-repeat:no-repeat;
  background-size:cover;
}

body:has(.fullscreen) {
  overflow: hidden;

  .backdrop {
    background-color: #000C;
  }

  .fullscreen {
    transform: translate(var(--x), var(--y)) scale(calc(0.9 * var(--scale)));
    translate: var(--xscroll) var(--yscroll);
    z-index: 10000;
  }
}

/* ------------------------------------------------ */

input, textarea, select {
  background-color: #0000;
  border: none;
  color: var(--text-color);
  border-bottom: 1px solid #333;
}

select option {
  background-color: var(--background-color);
}

button {
  background-color: #0000;
  border: none;
  color: var(--text-color);
}

button:hover {
  color: var(--text-color-dark);
}

/* ------------------------------------------------ */

hr {
  margin: 0;
  height: calc(100% - 2px);
  border-left: 1px solid var(--text-color);
}

.link,
.link *,
a,
a:not([href]) {
  color: var(--text-color);
  text-decoration: none;
  cursor: pointer;
}

.link:hover,
.link:hover *,
a:hover,
a:not([href]):hover {
  color: var(--text-color-dark);
  text-decoration: none;
}

/* ------------------------------------------------ */

h1, h2, h3, h4, p, th, div, td {
  color: var(--text-color);
}

h1 {
  font-weight: bold;
  text-overflow: ellipsis;
  overflow: hidden;
}

/* ------------------------------------------------ */

@keyframes bsparallax {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(40vh);
  }
}

.begin-screen {
  user-select: none;
  transform: translateY(0);
  display: flex;
  flex-direction: column;
  align-items: center;
  height: calc(100svh - var(--header-height) - var(--playback-height));
  justify-content: center;
  padding-top: var(--header-height);
  overflow-y: hidden;

  > * {
    animation: bsparallax linear;
    animation-timeline: scroll(root);
  }

  .name {
    font-family: title-font;
    margin: 0;
    font-size: 3rem;
    letter-spacing: 0.3rem;
    margin-bottom: 0.2rem;
    font-weight: bold;
    color: var(--text-color-title);
    text-align: center;
  }

  .tagline {
    display: flex;
    gap: 0.5rem;
    font-size: 1rem;
    margin: 0;
    color: var(--text-color);
    line-height: 1.15;
    text-align: center;
    align-items: center;

    p {
      margin: 0;
    }
  }
}

/* ------------------------------------------------ */

.collapse-toggler {
  display: flex;
  width: 1.5rem;
  height: 1.5rem;
  overflow: hidden;
  padding: 0;
  align-items: center;
  justify-content: center;
  position: relative;

  .collapse-toggler-icon {
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    transform: translateY(0px);
    
    &:before,&:after{
      position: absolute;
      content: '';
      width: 100%;
      height: 100%;
      background-color: var(--text-color);
      left: 0;
      transform: translateY(-0.5rem);
    }
    &:after{
      transform: translateY(0.5rem);
    }
  }
}

/* ------------------------------------------------ */

.pause-button {
  border: 0;
  background: transparent;
  box-sizing: border-box;
  width: 0;
  height: var(--button-size);
  border-color: transparent transparent transparent var(--text-color);
  transition: 100ms all ease;
  cursor: pointer;
  border-style: solid;
  border-width: calc(var(--button-size) / 2) 0 calc(var(--button-size) / 2) var(--button-size);

  &.paused {
    border-style: double;
    border-width: 0px 0 0px var(--button-size);
  }

  &:hover {
    border-color: transparent transparent transparent var(--text-color-dark);
  }
}

/* ------------------------------------------------ */

svg.svg-text path {
  fill: var(--text-color) !important;
}

svg.svg-text g.stroke {
  stroke: var(--text-color) !important;
}

/* ------------------------------------------------ */
audio::-webkit-media-controls-play-button,
audio::-webkit-media-controls-panel {
  background-color: var(--playback-background-color);
}

audio::-webkit-media-controls-enclosure {
  border-radius: 0;
}

/* ------------------------------------------------ */


@keyframes parallax {
  from {
    top: 0vh;
  }
  to {
    top: -50vh;
  }
}

.flare {
  background-image: url(data:image/png;base64,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);
  backdrop-filter: blur(5px);
  position: fixed;  
  top: 0vh;
  left: 0;
  z-index: -1;
  width: 100vw;
  height: 150vh;
  animation: parallax linear;
  animation-timeline: scroll();

  transition: 
    --flare-color-1 0.5s, 
    --flare-color-2 0.5s, 
    --flare-color-3 0.5s, 
    --flare-color-4 0.5s;

  --flare-color-1: light-dark(hsl(var(--flare-tint-2) calc(0.8 * var(--flare-saturation)) 75%), hsl(var(--flare-tint-2) var(--flare-saturation)  7%));
  --flare-color-2: light-dark(hsl(var(--flare-tint-2) calc(0.1 * var(--flare-saturation)) 75%), hsl(var(--flare-tint-2) calc(0.2 * var(--flare-saturation)) 10%));
  --flare-color-3: light-dark(hsl(var(--flare-tint-1) calc(0.4 * var(--flare-saturation)) 80%), hsl(var(--flare-tint-1) var(--flare-saturation) 10%));
  --flare-color-4: light-dark(hsl(var(--flare-tint-3) calc(0.3 * var(--flare-saturation)) 20%), hsl(var(--flare-tint-3) var(--flare-saturation) 15%));
}

.flare::before, 
.flare::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;

  opacity: 0.5;
}

.flare::before {
  background: linear-gradient(-20deg, 
    var(--flare-color-4) 0%,
    light-dark(white, black) 40%
  );
}

.flare::after {
  background: linear-gradient(15deg, 
    var(--flare-color-1) 5%,
    var(--flare-color-2) 25%,
    var(--flare-color-3) 45%,
    light-dark(white, black) 65%
  );
}

/* ------------------------------------------------ */

@keyframes gradualBlurFast {
  0% { filter: url(#blur2); }
  10% { filter: url(#blur5); }
  20% { filter: url(#blur12); }
  30% { filter: url(#blur25); }
  70% { filter: url(#blur12); }
  80% { filter: url(#blur5); }
  90% { filter: url(#blur2); }
}

@keyframes gradualBlurMedium {
  0% { filter: url(#blur1); }
  10% { filter: url(#blur2); }
  20% { filter: url(#blur5); }
  30% { filter: url(#blur8); }
  70% { filter: url(#blur5); }
  80% { filter: url(#blur2); }
  90% { filter: url(#blur1); }
}

@keyframes gradualBlurSlow {
  10% { filter: url(#blur1); }
  20% { filter: url(#blur2); }
  70% { filter: url(#blur2); }
  80% { filter: url(#blur1); }
  90% { filter: none; }
}

/* ------------------------------------------------ */