@font-face {
  font-family: "Fira Code";
  src: url("./fonts/FiraCode-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Fira Code";
  src: url("./fonts/FiraCode-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #0e1116;
  --panel: #11161d;
  --panel-muted: rgb(255 255 255 / 0.03);
  --panel-strong: rgb(255 255 255 / 0.06);
  --line: rgb(130 151 176 / 0.16);
  --line-strong: rgb(130 151 176 / 0.28);
  --text: #dde5ef;
  --muted: #8b98ab;
  --accent: #7ba6d0;
  --ok: #97c38a;
  --warn: #d5b677;
  --err: #d98d8d;
  --hud: rgb(11 15 21 / 0.8);
  --hud-shadow: 0 18px 60px rgb(0 0 0 / 0.34);
  --bubble: rgb(152 80 80 / 0.9);
  --bubble-line: rgb(234 159 159 / 0.18);
  --selection: rgb(123 166 208 / 0.22);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #efeae2;
  --panel: #f6f1ea;
  --panel-muted: rgb(34 39 47 / 0.03);
  --panel-strong: rgb(34 39 47 / 0.05);
  --line: rgb(84 95 112 / 0.14);
  --line-strong: rgb(84 95 112 / 0.24);
  --text: #2d3138;
  --muted: #767c85;
  --accent: #617792;
  --ok: #62855b;
  --warn: #97733c;
  --err: #a45f5f;
  --hud: rgb(248 243 236 / 0.82);
  --hud-shadow: 0 16px 48px rgb(77 68 56 / 0.14);
  --bubble: rgb(169 95 95 / 0.94);
  --bubble-line: rgb(169 95 95 / 0.11);
  --selection: rgb(97 119 146 / 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  height: 100svh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  background:
    radial-gradient(circle at top, var(--panel-muted), transparent 42%),
    var(--bg);
  color: var(--text);
  font:
    14px/1.6 "Fira Code", "FiraCode Nerd Font", "Fira Mono",
    "IBM Plex Mono", ui-monospace, monospace;
  font-feature-settings: "calt" 1, "liga" 1;
  text-rendering: optimizeLegibility;
}

button {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-strong);
  color: var(--text);
  padding: 0.38rem 0.72rem;
  cursor: pointer;
  transition:
    border-color 120ms ease,
    background 120ms ease,
    color 120ms ease,
    opacity 120ms ease;
}

button:hover {
  border-color: var(--line-strong);
  background: rgb(255 255 255 / 0.08);
}

button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.chrome {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  background: rgb(0 0 0 / 0.04);
  backdrop-filter: blur(18px);
}

.brand {
  color: var(--muted);
  letter-spacing: 0.08em;
}

.tab-bar {
  display: none;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.tab-button {
  min-width: 4.5rem;
}

.tab-button.is-active {
  border-color: var(--line-strong);
  background: var(--panel-strong);
  color: var(--text);
}

.workspace {
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
}

.pane {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  background: var(--panel);
}

.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2.75rem;
  padding: 0.45rem 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  background: var(--panel-muted);
}

.meta,
.timing,
.status.muted {
  color: var(--muted);
}

.editor-shell {
  min-height: 0;
  overflow: hidden;
}

.hud {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 30;
  display: grid;
  gap: 0.4rem;
  min-width: min(25rem, calc(100vw - 2rem));
  max-width: min(31rem, calc(100vw - 2rem));
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--hud);
  box-shadow: var(--hud-shadow);
  backdrop-filter: blur(22px);
}

.hud-line {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
}

.hud-actions {
  flex-wrap: wrap;
}

.hud-label {
  color: var(--muted);
  text-transform: lowercase;
}

.status {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status.ok {
  color: var(--ok);
}

.status.err {
  color: var(--err);
}

.status.warn {
  color: var(--warn);
}

.timing {
  margin-left: auto;
  white-space: nowrap;
}

.diagnostic-nav {
  display: inline-flex;
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-strong);
}

.diagnostic-nav button {
  min-width: 2rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding-inline: 0.55rem;
}

.diagnostic-nav button + button {
  border-left: 1px solid var(--line);
}

.diagnostic-nav button:hover:not(:disabled) {
  background: rgb(255 255 255 / 0.08);
}

.diagnostic-nav button:disabled {
  cursor: default;
  color: var(--muted);
  opacity: 0.65;
}

#diagnostic-nav[hidden] {
  display: none;
}

@media (max-width: 980px) {
  .tab-bar {
    display: flex;
  }

  .workspace {
    display: block;
  }

  .pane {
    display: none;
    height: 100%;
  }

  .pane.is-active {
    display: grid;
  }

  .pane-header {
    min-height: 2.5rem;
  }

  .editor-shell .cm-editor .cm-content {
    padding-bottom: 8.5rem;
  }

  .hud {
    right: 0.75rem;
    bottom: 0.75rem;
    min-width: 0;
  }
}

dialog {
  border: 1px solid var(--line-strong);
  border-radius: 1rem;
  background: var(--panel);
  color: var(--text);
  padding: 0;
  min-width: 14rem;
  box-shadow: 0 24px 64px rgb(0 0 0 / 0.4);
}

dialog::backdrop {
  background: rgb(0 0 0 / 0.45);
  backdrop-filter: blur(4px);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--line);
}

.modal-title {
  color: var(--muted);
}

#modal-close {
  border-radius: 999px;
  padding: 0.2rem 0.5rem;
  font-size: 0.85em;
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.75rem 0.85rem;
}

.example-button {
  text-align: left;
  border-radius: 0.6rem;
  width: 100%;
}

.example-button.is-active {
  border-color: var(--accent);
  color: var(--accent);
}

@media (max-width: 520px) {
  .chrome {
    padding: 0.7rem 0.8rem;
  }

  .pane-header {
    padding-inline: 0.8rem;
  }

  .editor-shell .cm-editor .cm-line {
    padding-inline: 0.9rem;
  }

  .editor-shell .cm-editor .cm-scroller {
    font-size: 13px;
  }

  .hud {
    left: 0.75rem;
    max-width: none;
  }

  .timing {
    margin-left: 0;
  }

  .hud-line {
    flex-wrap: wrap;
    gap: 0.45rem 0.7rem;
  }
}