/* ── palette ─────────────────────────────────────────────────────────────── */
/*
 * YoRHa dark, the palette of the desktop this runs on (quickshell Theme.qml,
 * hypr palette.lua) and of narl.io. A green-black ramp, sage-grey text, and
 * only two colours that mean anything: `light` is focus, selection and
 * whatever is live; `alarm` is something wrong. Nothing else carries hue.
 */
:root {
  --ink: #090a08;
  --hull: #0c0d0b;
  --base: #0f110e;
  --surface: #161915;
  --surface-alt: #20241f;
  --rim: #2a2f28;
  --overlay: #383e35;
  --outline: #545c52;

  --fg: #ccd2cb;
  --subtle: #9fa7a2;
  --muted: #79847a;

  --light: #eef1ea;
  --light-dim: #8e978d;
  --light-soft: #bcc1bf;
  --alarm: #c8684f;

  --font-sans: "Noto Sans Variable", "Noto Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono Variable", "JetBrains Mono", ui-monospace, monospace;

  /* The frame: a bar on top, a rail on the right, a band at the bottom, and a
     rounded opening between them that the panes are seen through. */
  --bar-h: 40px;
  --rail-w: 48px;
  --status-h: 28px;
  --frame: 8px;
  --frame-radius: 18px;

  /* Concentric with the frame: 18 outside, 12 one step in, 6 for the small things. */
  --radius-s: 6px;
  --radius-m: 10px;
  --radius-l: 12px;

  /* Quick start, long settle, no overshoot. */
  --ease-snap: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-glide: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.55, 0, 0.9, 0.35);
  --ease-drift: cubic-bezier(0.35, 0, 0.15, 1);
  --t-fast: 120ms;
  --t-base: 220ms;
  --t-slow: 380ms;
  --t-lazy: 700ms;

  color-scheme: dark;
}

@media (max-width: 767px) {
  :root {
    --rail-w: var(--frame);
    --status-h: 40px;
    --frame: 6px;
    --frame-radius: 14px;
  }
}

/* ── base ────────────────────────────────────────────────────────────────── */
* { box-sizing: border-box; }

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

body {
  background: var(--hull);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  overscroll-behavior: none;
}

#app { height: 100%; }

a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-color: var(--overlay);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color var(--t-base) var(--ease-glide), text-decoration-color var(--t-base) var(--ease-glide);
}
a:hover { color: var(--light); text-decoration-color: var(--light); }
a:focus-visible { background: var(--light); color: var(--ink); text-decoration: none; outline: none; }

/*
 * A button rests as a hairline and a label. Hover lifts it a step and lights
 * the label; only focus inverts — the NieR cursor, light fill and ink text.
 */
/* `a.button` is a link that has to look like one: open, download. */
button, a.button {
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--subtle);
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--outline) 55%, transparent);
  border-radius: var(--radius-s);
  padding: 2px 8px;
  cursor: pointer;
  transition:
    background-color var(--t-base) var(--ease-glide),
    color var(--t-base) var(--ease-glide),
    border-color var(--t-base) var(--ease-glide);
}
a.button { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
:is(button, a.button):hover { background: var(--surface-alt); color: var(--light); border-color: var(--outline); }
:is(button, a.button):active { transform: translateY(1px); }
:is(button, a.button):focus-visible { background: var(--light); color: var(--ink); border-color: var(--light); outline: none; }
/* A folder, crumb or space that rows dragged from the list would land in. */
.carry-over { outline: 1px dashed var(--light); outline-offset: -1px; border-radius: var(--radius-s); }
button:disabled { color: var(--muted); cursor: default; }

input, textarea {
  font: inherit;
  color: var(--fg);
  background: var(--surface);
  border: 1px solid var(--rim);
  border-radius: var(--radius-s);
  padding: 6px 10px;
  transition: border-color var(--t-base) var(--ease-glide);
}
input:focus, textarea:focus { border-color: var(--light-dim); outline: none; }
input::placeholder { color: var(--muted); }

::selection { background: var(--light); color: var(--ink); }

/*
 * Thin, unobtrusive scrollbars everywhere. Chrome drops its ::-webkit-scrollbar
 * styling (and falls back to arrows) as soon as the standard properties are
 * set, so those are only for the browsers that have nothing else.
 */
@supports not selector(::-webkit-scrollbar) {
  * { scrollbar-width: thin; scrollbar-color: var(--overlay) transparent; }
}
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: var(--overlay); border-radius: 4px; }
*::-webkit-scrollbar-track { background: transparent; }

.subtle { color: var(--subtle); }
.muted { color: var(--muted); }
.light { color: var(--light); }
.alarm { color: var(--alarm); }

/* ── vocabulary ──────────────────────────────────────────────────────────── */
/* A caption: small, mono, upper case and spaced out. */
.label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

/* A caption followed by a hairline that runs to the end of the row. */
.rule {
  display: flex;
  align-items: center;
  gap: 12px;
}
.rule::after {
  content: '';
  height: 1px;
  flex: 1;
  background: var(--overlay);
}

/* The square that says "this one": overlay at rest, light when it matters. */
.marker {
  display: inline-block;
  width: 7px;
  height: 7px;
  flex: none;
  background: var(--overlay);
  transition: background-color var(--t-base) var(--ease-glide);
}

.display {
  font-family: var(--font-sans);
  font-weight: 200;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--light);
}

/*
 * A key, as a keycap: inside a `.label` everything is upper case, and `o` and
 * `O` are different keys, so a key is never set in a label's case.
 */
.kbd {
  display: inline-grid;
  place-items: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border: 1px solid var(--rim);
  border-radius: 4px;
  background: var(--surface-alt);
  color: var(--light);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
  text-transform: none;
  white-space: nowrap;
}

/* The blinking block after "standing by". */
.cursor { margin-left: 2px; animation: blink 1.1s steps(1) infinite; }

/* ── frame ───────────────────────────────────────────────────────────────── */
/*
 * The shell every page sits in, the app and the shared view alike: a hull with
 * a bar on top, a band at the bottom, and a rounded porthole between them that
 * the windows are seen through.
 */
.shell {
  position: relative;
  height: 100%;
  outline: none;
  background: var(--hull);
}

/* The rim is drawn on top by ::after, so the windows scroll underneath it the
   way they sit under the frame on the desktop. */
.porthole {
  position: absolute;
  top: var(--bar-h);
  right: var(--rail-w);
  bottom: var(--status-h);
  left: var(--frame);
  overflow: hidden;
  border-radius: var(--frame-radius);
  background:
    radial-gradient(120% 70% at 30% 0%, #141713 0%, transparent 60%),
    var(--base);
}
.porthole::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px var(--rim);
  pointer-events: none;
  z-index: 5;
}

/* Windows tile the porthole like a workspace: a gap round and between them. */
.panes {
  --gap: 7px;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(32ch, 24vw) 1fr;
  gap: var(--gap);
  padding: var(--gap);
}

/*
 * A window: opaque, a hairline border in overlay. The focused one gets the
 * desktop's active border — a light gradient at 135° — and its shadow.
 */
.window {
  --pane-bg: color-mix(in oklab, var(--surface) 40%, var(--base));
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: calc(var(--frame-radius) - var(--gap));
  background:
    linear-gradient(var(--pane-bg), var(--pane-bg)) padding-box,
    linear-gradient(var(--overlay), var(--overlay)) border-box;
  transition: box-shadow var(--t-base) var(--ease-glide);
}
.window.focused {
  background:
    linear-gradient(var(--pane-bg), var(--pane-bg)) padding-box,
    linear-gradient(135deg, var(--light), var(--light-dim)) border-box;
  box-shadow: 0 6px 24px rgb(0 0 0 / 0.45);
}

/* hypr: workspaces, slidefadevert 18%, 550ms on the drift curve. */
.switch { animation: slidefadevert 550ms var(--ease-drift) both; }
@keyframes slidefadevert {
  from { opacity: 0; transform: translateY(calc(var(--dir, 1) * 18%)); }
}

/* On a phone one window fills the porthole, so its rim is the window's edge. */
@media (max-width: 767px) {
  .panes { --gap: 0px; }
  .window,
  .window.focused {
    border: 0;
    border-radius: 0;
    background: var(--pane-bg);
    box-shadow: none;
  }
}

/* The bar along the top: mark, workspace pills, the clock. */
.bar {
  position: absolute;
  inset: 0 0 auto 0;
  height: var(--bar-h);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 calc(var(--rail-w) + 4px) 0 calc(var(--frame) + 10px);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--subtle);
  white-space: nowrap;
  overflow: hidden;
}

/* A ring with a dot in it: the favicon, and the desktop's launcher. */
.bar .mark {
  position: relative;
  width: 12px;
  height: 12px;
  flex: none;
  border: 1.5px solid var(--light);
  border-radius: 999px;
}
.bar .mark::after {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 999px;
  background: var(--light);
}

.bar .divider {
  width: 1px;
  height: 14px;
  flex: none;
  background: var(--overlay);
}

/* Workspace pills: muted at rest, light on hover, inverted when current. The
   current one widens, as the desktop's does, over the slow duration. */
.bar .pill {
  flex: none;
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 22px;
  height: 20px;
  padding: 0 6px;
  justify-content: center;
  transition:
    padding var(--t-slow) var(--ease-snap),
    background-color var(--t-base) var(--ease-glide),
    color var(--t-base) var(--ease-glide);
  border: 0;
  border-radius: 4px;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--muted);
  background: transparent;
}
.bar .pill:hover { background: transparent; color: var(--light); }
.bar .pill[aria-current='true'] { background: var(--light); color: var(--ink); padding: 0 12px; }
.bar .pill:focus-visible { background: var(--light); color: var(--ink); }

.bar .spacer { flex: 1; }
.bar .readout { display: flex; gap: 8px; font-variant-numeric: tabular-nums; }
.bar .readout .key { color: var(--muted); }
.bar .readout .value { color: var(--fg); text-transform: none; letter-spacing: 0.06em; }

@media (max-width: 767px) {
  .bar { padding-left: 12px; padding-right: 12px; gap: 10px; }
}

/* The band along the bottom: the mode, the file, what just happened. */
.status {
  position: absolute;
  inset: auto 0 0 0;
  height: var(--status-h);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 calc(var(--rail-w) + 4px) 0 calc(var(--frame) + 4px);
  font-size: 11px;
  color: var(--subtle);
  white-space: nowrap;
  overflow: hidden;
}
.status .mode {
  display: flex;
  align-items: center;
  height: 18px;
  padding: 0 8px;
  border-radius: 4px;
  flex: none;
  font-weight: 600;
  letter-spacing: 0.18em;
  background: var(--surface-alt);
  color: var(--fg);
  transition: background-color var(--t-base) var(--ease-glide), color var(--t-base) var(--ease-glide);
}
.status .readout { color: var(--fg); font-variant-numeric: tabular-nums; }
.status .unit { color: var(--muted); margin-left: 1px; }
.status .hint { color: var(--muted); letter-spacing: 0.06em; }

/* ── motion ──────────────────────────────────────────────────────────────── */
@keyframes resolve {
  from { opacity: 0; transform: translateY(6px) scale(0.985); }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
}
@keyframes blink {
  50% { opacity: 0; }
}

/* Things settle into place; `--i` staggers a group of them. */
.resolve {
  animation: resolve var(--t-lazy) var(--ease-snap) both;
  animation-delay: calc(var(--i, 0) * 80ms);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── rendered markdown ───────────────────────────────────────────────────── */
/* Reading is set in the sans; anything that is code stays mono. */
.md {
  max-width: 72ch;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg);
}
.md > :first-child { margin-top: 0; }
.md h1, .md h2, .md h3, .md h4 {
  color: var(--light);
  font-weight: 400;
  line-height: 1.3;
  margin: 1.8em 0 0.6em;
}
.md h1 { font-size: 1.7em; font-weight: 300; letter-spacing: 0.01em; }
.md h2 {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1.25em;
}
.md h2::after { content: ''; height: 1px; flex: 1; background: var(--overlay); }
.md h3 { font-size: 1.05em; font-weight: 500; }
.md h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--subtle);
}
.md p { margin: 0 0 1em; }
.md strong { color: var(--light); font-weight: 600; }
.md ul, .md ol { margin: 0 0 1em; padding-left: 1.6em; }
.md li { margin: 0.2em 0; }
.md li::marker { color: var(--muted); }
.md ul { list-style: none; padding-left: 1.4em; }
.md ul > li { position: relative; }
.md ul > li::before {
  content: '';
  position: absolute;
  left: -1.1em;
  top: 0.72em;
  width: 5px;
  height: 5px;
  background: var(--overlay);
}
.md ul > li:has(> input[type='checkbox'])::before { content: none; }
.md blockquote {
  margin: 0 0 1em;
  padding-left: 1.2em;
  border-left: 1px solid var(--outline);
  color: var(--subtle);
}
.md code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--surface);
  border: 1px solid var(--rim);
  border-radius: 4px;
  padding: 0 5px;
}
.md pre {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  background: var(--surface);
  border: 1px solid var(--rim);
  border-radius: var(--radius-s);
  padding: 12px 14px;
  overflow-x: auto;
  margin: 0 0 1em;
}
.md pre code { background: none; border: 0; padding: 0; font-size: inherit; }
/* A long equation scrolls on its own rather than widening the page. */
.md .katex-display { overflow-x: auto; overflow-y: hidden; padding: 2px 0; }
.md hr { border: 0; border-top: 1px solid var(--overlay); margin: 2.4em 0; }
.md img, .md video {
  max-width: 100%;
  border: 1px solid var(--rim);
  border-radius: var(--radius-s);
  display: block;
  margin: 0 0 1em;
}
.md audio { width: 100%; margin: 0 0 1em; }
.md table {
  border-collapse: collapse;
  margin: 0 0 1em;
  display: block;
  overflow-x: auto;
  font-size: 14px;
}
.md th, .md td { border-bottom: 1px solid var(--rim); padding: 6px 14px 6px 0; text-align: left; }
.md th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom-color: var(--overlay);
}
.md input[type='checkbox'] { accent-color: var(--light-dim); margin-right: 0.5em; }

/* ── codemirror ──────────────────────────────────────────────────────────── */
.cm-editor { height: 100%; background: transparent; }
.cm-editor.cm-focused { outline: none; }
.cm-scroller {
  font-family: var(--font-mono) !important;
  font-size: 14px;
  line-height: 1.65;
  padding-bottom: 40vh;
}
.cm-content { caret-color: var(--light); }
.cm-gutters { background: transparent; border: 0; color: var(--muted); }
.cm-editor .cm-activeLineGutter { background: transparent; color: var(--subtle); }
/*
 * CodeMirror injects its own `.cm-activeLine` rule (a light blue #cceeff44)
 * into the document after this stylesheet, so an equally specific selector
 * loses and the current line renders as a bright box. Qualify it to win.
 */
.cm-editor .cm-activeLine { background: color-mix(in oklab, var(--fg) 4%, transparent); }
.cm-selectionBackground, .cm-content ::selection { background: var(--overlay) !important; }

/*
 * Insert mode: a 2px bar reads far better than the browser's hairline caret.
 * CodeMirror injects `.cm-cursor { border-left: 1.2px solid black }` after this
 * stylesheet, so — like `.cm-activeLine` above — an equally specific selector
 * loses and the caret renders black on a dark background. Qualify it to win.
 */
.cm-editor .cm-cursor,
.cm-editor .cm-cursor-primary,
.cm-editor .cm-dropCursor {
  border-left: 2px solid var(--light);
  border-right: 0;
  margin-left: -1px;
}
.cm-editor .cm-cursor-secondary { border-left-color: var(--light-dim); }

/*
 * Normal mode: the vim plugin paints the character *inside* the block cursor,
 * inheriting its syntax colour, so a light glyph — a heading's `#`, a link —
 * disappears against the light block. Force the glyph to ink instead, which
 * is legible whatever the token was: the same inversion as everywhere else.
 */
.cm-fat-cursor,
.cm-animate-fat-cursor {
  background: var(--light) !important;
  color: var(--ink) !important;
  opacity: 1 !important;
}
.cm-fat-cursor.cm-cursor-secondary { background: var(--light-dim) !important; }
/* Unfocused, the plugin hardcodes a pink outline; keep it on-theme. */
.cm-editor:not(.cm-focused) .cm-fat-cursor {
  background: none !important;
  outline: 1px solid var(--light-dim) !important;
  color: transparent !important;
}
/* The panel and vim `:` prompt are themed in Editor.svelte — see the note there. */