/* BRRojo "Glass" UI scheme for the web. See docs/glass-ui-scheme.md for the source values. */

@font-face {
  font-family: "Montserrat";
  src: url("../fonts/montserrat-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Inconsolata";
  src: url("../fonts/inconsolata-latin-wght-normal.woff2") format("woff2");
  font-weight: 200 900;
  font-display: swap;
}

:root {
  color-scheme: dark;

  /* Palette (Dark appearance) */
  --glass-background: rgb(32, 32, 39);
  --glass-base-rgb: 52, 52, 64;
  --glass-text: rgb(255, 255, 255);
  --glass-subtext: rgb(230, 230, 230);
  --glass-detail: rgb(180, 180, 180);
  --glass-accent-rgb: 85, 85, 177;
  --glass-accent: rgb(var(--glass-accent-rgb));
  --glass-positive: rgb(130, 255, 130);
  --glass-negative: rgb(255, 130, 130);
  --glass-stroke: rgba(200, 200, 200, 0.2);

  /* Panel */
  --glass-fill: rgba(var(--glass-base-rgb), 0.5);
  --glass-fill-strong: rgba(var(--glass-base-rgb), 0.82);
  --glass-radius: 24px;
  --glass-radius-md: 12px;
  --glass-radius-sm: 8px;
  --glass-halo: 0 0 16px rgba(255, 255, 255, 0.045);
  --glass-blur: blur(20px) saturate(1.15);

  /* Motion: Fusion Spring(…, 20, 1) settles in roughly this long without overshoot */
  --glass-ease: 160ms cubic-bezier(0.22, 0.8, 0.3, 1);

  --font-ui: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-num: "Inconsolata", ui-monospace, "SF Mono", Menlo, monospace;
}

html {
  background: var(--glass-background);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 15px;
  line-height: 1.45;
  color: var(--glass-text);
  /* Something soft behind the panels so the glass has a scene to sit over. */
  background:
    radial-gradient(900px 620px at 12% -8%, rgba(var(--glass-accent-rgb), 0.34), transparent 70%),
    radial-gradient(760px 560px at 96% 4%, rgba(64, 132, 196, 0.2), transparent 70%),
    radial-gradient(900px 700px at 60% 110%, rgba(var(--glass-accent-rgb), 0.16), transparent 70%),
    var(--glass-background);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-weight: 700;
  margin: 0;
  line-height: 1.2;
}

a {
  color: inherit;
}

/* -- Panel --------------------------------------------------------------- */

.g-panel {
  background: var(--glass-fill);
  border: 1px solid var(--glass-stroke);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-halo);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
}

/* -- Button -------------------------------------------------------------- */

.g-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 16px;
  border: 1px solid var(--glass-stroke);
  border-radius: 999px;
  background: var(--glass-fill);
  color: var(--glass-text);
  font: 700 14px/1 var(--font-ui);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  overflow: hidden;
  transition: background-color var(--glass-ease), border-color var(--glass-ease), opacity var(--glass-ease);
  -webkit-tap-highlight-color: transparent;
}
/* The cursor-following highlight from glassHandler.lua: white, 32px radius, 20% opacity. */
.g-btn::before {
  content: "";
  position: absolute;
  left: var(--mx, 50%);
  top: var(--my, 50%);
  width: 64px;
  height: 64px;
  margin: -32px 0 0 -32px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent 70%);
  opacity: 0;
  transition: opacity var(--glass-ease);
  pointer-events: none;
}
.g-btn:hover::before {
  opacity: 1;
}
.g-btn:hover {
  border-color: rgba(200, 200, 200, 0.34);
}
.g-btn:focus-visible,
.g-input:focus-visible,
.g-select:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.85);
  outline-offset: 2px;
}
.g-btn[aria-pressed="true"],
.g-btn[aria-selected="true"],
.g-btn[aria-current="page"],
.g-btn--accent {
  background: rgba(var(--glass-accent-rgb), 0.9);
  border-color: rgba(200, 200, 200, 0.3);
}
.g-btn:disabled {
  opacity: 0.45;
  cursor: default;
}
.g-btn--sm {
  min-height: 28px;
  padding: 0 12px;
  font-size: 12px;
}
.g-btn--quiet {
  background: transparent;
}

/* -- Tabs: a row of glass buttons, the selected one in Accent ------------- */

.g-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.g-tabs::-webkit-scrollbar {
  display: none;
}

/* -- Inputs -------------------------------------------------------------- */

.g-input,
.g-select {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--glass-stroke);
  border-radius: var(--glass-radius-md);
  background: var(--glass-fill);
  color: var(--glass-text);
  font: 600 14px/1 var(--font-ui);
}
.g-select {
  padding-right: 8px;
}
.g-input::placeholder {
  color: var(--glass-detail);
}