/* The download button in the toolbar (an arrow and its dust dropping into a bowl,
   the lower half of the field's ring) and the card it opens (download.js). */

/* ---------- the button ---------- */
.dl-toggle {
  display: flex;
  padding: 0;
  border: 0;
  background: none;
  color: var(--nav-ink);
  cursor: pointer;
  transition: color 0.2s ease;
}
.dl-toggle:hover,
.dl-toggle[aria-expanded="true"] { color: var(--nav-ink-hover); }
.dl-toggle svg { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; overflow: visible; }
.dl-toggle .arrow,
.dl-toggle .dots,
.dl-toggle .bowl { transition: transform 0.45s cubic-bezier(0.34, 1.4, 0.64, 1); }
.dl-toggle .bowl { transform-origin: 12px 14.5px; }
.dl-toggle:hover .arrow,
.dl-toggle[aria-expanded="true"] .arrow { transform: translateY(1.4px); }
.dl-toggle:hover .dots,
.dl-toggle[aria-expanded="true"] .dots { transform: translateY(2.2px); }
.dl-toggle:hover .bowl { transform: scale(1.06); }
/* the download starts: the dust falls in, new dust arrives */
.dl-toggle.dropping .dots { animation: dl-dust 0.8s ease-in; }
.dl-toggle.dropping .arrow { animation: dl-land 0.6s cubic-bezier(0.34, 1.3, 0.64, 1); }
.dl-toggle.dropping .bowl { animation: dl-ring 0.7s ease-out; }
@keyframes dl-dust {
  0% { transform: translateY(2.2px); opacity: 1; }
  55% { transform: translateY(8px); opacity: 0; }
  56% { transform: translateY(-4px); opacity: 0; }
  100% { transform: translateY(2.2px); opacity: 1; }
}
@keyframes dl-land { 0% { transform: translateY(-2px); } 100% { transform: translateY(1.4px); } }
@keyframes dl-ring { 0% { transform: scale(1); } 35% { transform: scale(1.12); } 100% { transform: scale(1); } }
.nav-icons :is(a, button):focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; border-radius: 6px; }

/* ---------- the card ---------- */
.dl,
[data-theme="light"] .dl {
  --dl-bg: rgba(255, 255, 255, 0.92);
  --dl-line: rgba(0, 0, 0, 0.09);
  --dl-shadow: 0 28px 80px rgba(0, 0, 0, 0.16), 0 2px 10px rgba(0, 0, 0, 0.06);
  --dl-row: rgba(0, 0, 0, 0.04);
  --dl-row-hover: rgba(0, 0, 0, 0.075);
  --dl-mute: rgba(29, 29, 31, 0.58);
  --dl-code: rgba(0, 0, 0, 0.055);
}
:root[data-theme="dark"] .dl {
  --dl-bg: rgba(32, 32, 35, 0.9);
  --dl-line: rgba(255, 255, 255, 0.12);
  --dl-shadow: 0 28px 80px rgba(0, 0, 0, 0.6), 0 2px 10px rgba(0, 0, 0, 0.4);
  --dl-row: rgba(255, 255, 255, 0.06);
  --dl-row-hover: rgba(255, 255, 255, 0.115);
  --dl-mute: rgba(255, 255, 255, 0.58);
  --dl-code: rgba(255, 255, 255, 0.085);
}

.dl {
  position: fixed;
  z-index: 20;
  top: var(--dl-top, 64px);
  right: var(--dl-right, 16px);
  width: min(420px, calc(100vw - 32px));
  padding: 22px;
  color: var(--ink);
  background: var(--dl-bg);
  -webkit-backdrop-filter: blur(28px) saturate(1.6);
  backdrop-filter: blur(28px) saturate(1.6);
  border: 1px solid var(--dl-line);
  border-radius: 22px;
  box-shadow: var(--dl-shadow);
  overflow: hidden;
  transform-origin: var(--dl-ox, 90%) 0;
  /* closed */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px) scale(0.94);
  transition: opacity 0.2s ease, transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0s linear 0.28s;
}
.dl.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
  transition: opacity 0.22s ease, transform 0.34s cubic-bezier(0.2, 0.9, 0.25, 1), visibility 0s;
}

.dl h2 { margin: 0; font-size: 19px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
.dl-sub { margin: 4px 0 0; font-size: 13px; color: var(--dl-mute); line-height: 1.4; }
.dl-sub a { color: var(--blue); text-decoration: none; white-space: nowrap; }
.dl-sub a:hover { text-decoration: underline; }
.dl-step:not([hidden]) { animation: dl-step 0.28s ease both; }
@keyframes dl-step { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* step 1: the two builds */
.dl-options { display: grid; gap: 8px; margin-top: 16px; }
.dl-opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  border: 0;
  border-radius: 15px;
  background: var(--dl-row);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.18s ease;
}
.dl-opt:hover:not(:disabled) { background: var(--dl-row-hover); }
.dl-opt:active:not(:disabled) { transform: scale(0.985); }
.dl-opt:disabled { cursor: default; opacity: 0.5; }
.dl-opt:focus-visible, .dl-back:focus-visible, .dl-copy:focus-visible, .dl-tabs button:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.dl-opt-text { display: grid; gap: 3px; min-width: 0; }
.dl-opt-text b { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.dl-opt-text i { font-style: normal; font-size: 13px; line-height: 1.35; color: var(--dl-mute); }
.dl-opt-meta { display: flex; align-items: center; gap: 8px; flex: none; font-size: 12.5px; color: var(--dl-mute); font-variant-numeric: tabular-nums; }
.dl-opt-meta svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; opacity: 0; transform: translateY(-3px); transition: opacity 0.18s ease, transform 0.25s cubic-bezier(0.34, 1.4, 0.64, 1); }
.dl-opt:hover:not(:disabled) .dl-opt-meta svg,
.dl-opt:focus-visible .dl-opt-meta svg { opacity: 1; transform: none; color: var(--ink); }

/* step 2: it is downloading; the sum, and how to check it */
.dl-back {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin: -6px 0 10px -6px;
  padding: 4px 8px 4px 4px;
  border: 0;
  border-radius: 8px;
  background: none;
  color: var(--dl-mute);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: color 0.18s ease;
}
.dl-back:hover { color: var(--ink); }
.dl-back svg { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.dl-block { margin-top: 18px; }
.dl-label { display: flex; align-items: center; justify-content: space-between; min-height: 24px; margin-bottom: 7px; font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--dl-mute); }
.dl-hash {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 11px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--dl-code);
  font: 12.5px/1.3 ui-monospace, "SF Mono", Menlo, monospace;
  letter-spacing: 0.02em;
  user-select: all;
}
/* the check, set like a terminal: prompts you do not copy, the hash dimmed so the shape of
   the command reads, and what a match prints below a dashed rule */
.dl-code {
  position: relative;
  padding: 13px 14px;
  border-radius: 12px;
  background: var(--dl-code);
  font: 11.5px/1.65 ui-monospace, "SF Mono", Menlo, monospace;
}
.dl-lines .dl-line:first-child { padding-right: 58px; }   /* only the first line shares a row with Copy */
.dl-line { display: grid; grid-template-columns: 14px minmax(0, 1fr); }
.dl-p { color: var(--dl-mute); user-select: none; }
.dl-t { white-space: pre-wrap; overflow-wrap: anywhere; }
.dl-h { color: var(--dl-mute); word-break: break-all; }   /* the hash wraps where a terminal would */
.dl-out { margin-top: 9px; padding-top: 9px; border-top: 1px dashed var(--dl-line); color: var(--dl-mute); user-select: none; }
.dl-ok { color: var(--ink); font-weight: 600; }
.dl-code .dl-copy { position: absolute; top: 9px; right: 9px; background: var(--dl-bg); }
.dl-copy {
  padding: 3px 9px;
  border: 0;
  border-radius: 999px;
  background: var(--dl-row);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.dl-copy:hover { background: var(--dl-row-hover); }
.dl-copy[data-state="copied"] { background: var(--blue); color: #fff; }
.dl-tabs { display: inline-flex; padding: 2px; border-radius: 999px; background: var(--dl-row); text-transform: none; letter-spacing: 0; }
.dl-tabs button {
  padding: 3px 11px;
  border: 0;
  border-radius: 999px;
  background: none;
  color: var(--dl-mute);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.dl-tabs button[aria-selected="true"] { background: var(--dl-bg); color: var(--ink); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12); }

@media (max-width: 640px) {
  .dl { padding: 18px; border-radius: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .dl, .dl.open { transform: none; transition: opacity 0.15s ease, visibility 0s linear 0.15s; }
  .dl.open { transition: opacity 0.15s ease, visibility 0s; }
  .dl-step:not([hidden]) { animation: none; }
  .dl-toggle .arrow, .dl-toggle .dots, .dl-toggle .bowl { transition: none; }
  .dl-toggle.dropping .dots, .dl-toggle.dropping .arrow, .dl-toggle.dropping .bowl { animation: none; }
}