/* converter.piogino.ch — one stylesheet for every page. */

/* IBM Plex, served from this site (SIL Open Font License, see assets/fonts/OFL.txt). */
@font-face { font-family: "IBM Plex Sans"; font-weight: 400; font-style: normal; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-400.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 500; font-style: normal; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-500.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; font-style: normal; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-600.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-style: normal; font-display: swap; src: url("/assets/fonts/ibm-plex-mono-400.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-style: normal; font-display: swap; src: url("/assets/fonts/ibm-plex-mono-500.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 600; font-style: normal; font-display: swap; src: url("/assets/fonts/ibm-plex-mono-600.woff2") format("woff2"); }

:root {
  --paper: #f3f0e8;
  --paper-2: #ebe7dc;
  --ink: #1c1b18;
  --muted: #6e695f;
  --rule: #d6d0c2;
  --accent: #d9481f;
  --accent-ink: #ffffff;
  --ok: #2f7d4f;
  --bad: #b3261e;
  --checker-a: #e4dfd3;
  --checker-b: #f3f0e8;

  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 3px;
  --page: 960px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #151412;
    --paper-2: #1d1c19;
    --ink: #ebe6da;
    --muted: #9b958a;
    --rule: #34312b;
    --accent: #ff6a3d;
    --accent-ink: #151412;
    --ok: #6cc28d;
    --bad: #ff8a80;
    --checker-a: #24221e;
    --checker-b: #1b1a17;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #151412;
  --paper-2: #1d1c19;
  --ink: #ebe6da;
  --muted: #9b958a;
  --rule: #34312b;
  --accent: #ff6a3d;
  --accent-ink: #151412;
  --ok: #6cc28d;
  --bad: #ff8a80;
  --checker-a: #24221e;
  --checker-b: #1b1a17;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration-color: var(--rule); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }

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

.wrap { max-width: var(--page); margin: 0 auto; padding: 0 20px; }

/* ---------- header ---------- */

.site-head {
  border-bottom: 1px solid var(--rule);
}
.site-head .wrap {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 56px;
  flex-wrap: wrap;
}
.mark {
  font: 600 15px/1 var(--mono);
  letter-spacing: -0.01em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.mark span { color: var(--muted); font-weight: 400; }
.mark svg { width: 18px; height: 18px; }

.tools-nav {
  display: flex;
  gap: 4px 18px;
  flex-wrap: wrap;
  font: 400 13px/1 var(--mono);
  margin-left: auto;
}
.tools-nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.tools-nav a:hover { color: var(--ink); }
.tools-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

.theme-btn {
  background: none;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  color: var(--muted);
  font: 400 12px/1 var(--mono);
  padding: 6px 8px;
  cursor: pointer;
}
.theme-btn:hover { color: var(--ink); border-color: var(--ink); }

@media (max-width: 720px) {
  .tools-nav { order: 3; width: 100%; margin: 0 0 10px; gap: 2px 14px; }
}

/* ---------- page intro ---------- */

main { padding: 40px 0 72px; }

.intro { margin-bottom: 32px; }
.intro h1 {
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 600;
  margin: 0 0 12px;
}
.intro h1 .arrow { color: var(--accent); font-weight: 400; }
.intro p { margin: 0; max-width: 60ch; color: var(--muted); }

.spec {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin-top: 16px;
  font: 400 12px/1.4 var(--mono);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.spec b { color: var(--ink); font-weight: 500; }

/* ---------- form controls ---------- */

.panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px 32px;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 24px;
}
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field > label, .field > .label, legend {
  font: 500 11px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
fieldset legend { padding: 0; margin-bottom: 8px; }
.field output, .value {
  font: 400 13px/1 var(--mono);
  color: var(--ink);
}
.row { display: flex; align-items: center; gap: 12px; }
.row > input[type="range"] { flex: 1; }
.hint { font-size: 13px; color: var(--muted); margin: 0; }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 20px;
  background: transparent;
  margin: 0;
  min-width: 0;
}
input[type="range"]::-webkit-slider-runnable-track { height: 2px; background: var(--rule); }
input[type="range"]::-moz-range-track { height: 2px; background: var(--rule); }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px; margin-top: -6px;
  border-radius: 50%;
  background: var(--ink);
  border: 0;
}
input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%; background: var(--ink); border: 0;
}
input[type="range"]:hover::-webkit-slider-thumb { background: var(--accent); }
input[type="range"]:hover::-moz-range-thumb { background: var(--accent); }

input[type="number"], input[type="text"], select {
  font: 400 14px/1 var(--mono);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 8px 10px;
  width: 100%;
  min-width: 0;
}
input[type="number"]:focus, select:focus { border-color: var(--ink); outline: none; }

input[type="color"] {
  width: 40px; height: 32px;
  padding: 2px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper);
  cursor: pointer;
}

/* segmented control built from radio inputs */
.seg {
  display: inline-flex;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  flex-wrap: wrap;
  max-width: 100%;
}
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg span {
  display: block;
  padding: 7px 12px;
  font: 400 13px/1.2 var(--mono);
  color: var(--muted);
  border-right: 1px solid var(--rule);
  white-space: nowrap;
}
.seg label:last-child span { border-right: 0; }
.seg input:checked + span { background: var(--ink); color: var(--paper); }
.seg input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: -2px; }

.check { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.check input { accent-color: var(--accent); width: 16px; height: 16px; margin: 0; }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: 500 14px/1 var(--sans);
  padding: 11px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn.ghost:hover { border-color: var(--ink); background: transparent; color: var(--ink); }
.btn.small { padding: 7px 10px; font-size: 13px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn:disabled:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn.ghost:disabled:hover { background: transparent; color: var(--ink); border-color: var(--rule); }

.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

/* ---------- drop zone ---------- */

.drop {
  position: relative;
  display: grid;
  place-items: center;
  text-align: center;
  min-height: 180px;
  padding: 32px 20px;
  border: 1.5px dashed var(--rule);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}
.drop:hover, .drop.over { border-color: var(--accent); }
.drop.over { background: var(--paper-2); }
.drop.busy { pointer-events: none; opacity: 0.6; }
.drop strong { display: block; font-size: 18px; font-weight: 500; letter-spacing: -0.01em; }
.drop small { display: block; margin-top: 6px; color: var(--muted); font: 400 12px/1.4 var(--mono); }
.drop input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

/* ---------- messages ---------- */

.msg {
  margin: 16px 0 0;
  padding: 10px 12px;
  border-left: 3px solid var(--muted);
  background: var(--paper-2);
  font-size: 14px;
}
.msg.bad { border-left-color: var(--bad); }
.msg.ok { border-left-color: var(--ok); }
.msg:empty { display: none; }

.busy-line { display: inline-flex; align-items: center; gap: 10px; }
.busy-line::before {
  content: "";
  width: 10px; height: 10px;
  border: 1.5px solid var(--muted);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- results ---------- */

.results { margin-top: 28px; }
.results:empty { display: none; }
.results-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
}
.results-head h2 { font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; margin: 0; color: var(--muted); }
.result {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
}
.result .thumb {
  width: 44px; height: 44px;
  object-fit: contain;
  background: repeating-conic-gradient(var(--checker-a) 0 25%, var(--checker-b) 0 50%) 0 0 / 10px 10px;
  border-radius: 2px;
}
.result .thumb.blank { display: block; }
.result .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result .meta { font: 400 12px/1.3 var(--mono); color: var(--muted); white-space: nowrap; }
.result.failed .meta { color: var(--bad); white-space: normal; }
.result.warn .meta { color: var(--accent); }
.result a.dl { font: 500 13px/1 var(--mono); text-decoration: none; color: var(--accent); }
.result a.dl:hover { text-decoration: underline; }

@media (max-width: 560px) {
  .result { grid-template-columns: auto minmax(0, 1fr) auto; }
  .result .meta { grid-column: 2 / 4; grid-row: 2; white-space: normal; }
}

/* ---------- notes ---------- */

.notes {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px 40px;
  font-size: 14px;
  color: var(--muted);
}
.notes h2 { font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink); margin: 0 0 10px; }
.notes p, .notes ul, .notes ol { margin: 0 0 8px; }
.notes ul, .notes ol { padding-left: 18px; }
.notes code { font: 400 12.5px var(--mono); color: var(--ink); }

/* ---------- footer ---------- */

.site-foot {
  border-top: 1px solid var(--rule);
  font: 400 12px/1.5 var(--mono);
  color: var(--muted);
}
.site-foot .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 18px; padding-bottom: 28px; }

/* ---------- landing ---------- */

.index { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.index-group {
  font: 500 11px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 28px 0 10px;
  border-bottom: 1px solid var(--rule);
}
.index-group:first-child { padding-top: 14px; }
.index a {
  display: grid;
  grid-template-columns: 3ch minmax(0, 15rem) minmax(0, 1fr) auto;
  gap: 18px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
}
.index .n { font: 400 12px/1 var(--mono); color: var(--muted); }
.index .t { font-size: 20px; font-weight: 500; letter-spacing: -0.015em; }
.index .t .arrow { color: var(--accent); font-weight: 400; }
.index .d { color: var(--muted); font-size: 14.5px; }
.index .w { font: 400 11px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); border: 1px solid var(--rule); padding: 4px 6px; border-radius: 2px; }
.index a:hover .t { color: var(--accent); }
.index a:hover .n { color: var(--accent); }

@media (max-width: 720px) {
  .index a { grid-template-columns: 3ch minmax(0, 1fr) auto; row-gap: 6px; }
  .index .d { grid-column: 2 / 4; }
  .index .w { grid-row: 1; grid-column: 3; }
}

/* ---------- tool-specific bits shared by several pages ---------- */

.stage {
  background: repeating-conic-gradient(var(--checker-a) 0 25%, var(--checker-b) 0 50%) 0 0 / 16px 16px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 16px;
}
.stage canvas, .stage video, .stage img { max-width: 100%; height: auto; display: block; }

.two-col { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 28px; align-items: start; }
@media (max-width: 820px) { .two-col { grid-template-columns: minmax(0, 1fr); } }

.facts { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; font-size: 14px; }
.facts dt { font: 400 12px/1.6 var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.facts dd { margin: 0; font-family: var(--mono); font-size: 13.5px; }
.facts .warn { color: var(--accent); }

[hidden] { display: none !important; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- side panels (splitter, grid) ---------- */

.panel.stacked { grid-template-columns: minmax(0, 1fr); gap: 18px; margin: 20px 0; }
.two-col > div > .panel.stacked:first-child { margin-top: 0; }
.row.split { gap: 20px; align-items: flex-start; }
.row.split > .field { flex: 1; }
.facts { padding: 4px 0; }

.grid-stage { min-height: 320px; }
.grid-stage canvas { image-rendering: auto; box-shadow: 0 0 0 1px var(--rule); }

/* ---------- GIF trimmer ---------- */

.editor { margin-top: 28px; }
.editor-head {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding-bottom: 10px; margin-bottom: 14px; border-bottom: 1px solid var(--ink);
}
.editor-name { font: 500 14px/1.3 var(--mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.editor-stage { min-height: 200px; }
.editor-stage video, .editor-stage img { max-height: 380px; width: auto; }

.timeline { margin: 18px 0 6px; user-select: none; -webkit-user-select: none; }
.tl-track {
  position: relative;
  height: 44px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  touch-action: none;
  cursor: pointer;
}
.tl-sel {
  position: absolute; top: -1px; bottom: -1px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  cursor: grab;
}
.tl-sel.dragging { cursor: grabbing; }
.tl-handle {
  position: absolute; top: 50%;
  width: 14px; height: 30px; margin-top: -15px;
  background: var(--accent);
  border-radius: 2px;
  cursor: ew-resize;
  touch-action: none;
}
.tl-handle::after { /* bigger touch target */
  content: ""; position: absolute; inset: -10px -12px;
}
#hStart { left: -8px; }
#hEnd { right: -8px; }
.tl-head {
  position: absolute; top: -6px; bottom: -6px; width: 2px; margin-left: -1px;
  background: var(--ink);
  pointer-events: none;
}
.tl-scale { display: flex; justify-content: space-between; font: 400 11px/1 var(--mono); color: var(--muted); margin-top: 8px; }

.editor-controls { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px 18px; margin: 16px 0 6px; }
.field.compact { gap: 6px; }
.field.compact input { width: 92px; }
.field.compact .value { display: block; padding: 8px 0; min-width: 6ch; }
.field.compact .value.over { color: var(--accent); }
.editor-presets { display: inline-flex; gap: 8px; flex-wrap: wrap; margin-left: auto; }
.editor .actions { margin-top: 14px; }
@media (max-width: 640px) { .editor-presets { margin-left: 0; } }

/* ---------- text pages (privacy) ---------- */

.prose { max-width: 680px; padding-top: 40px; padding-bottom: 56px; }
.prose h1 { font: 600 32px/1.15 var(--sans); letter-spacing: -0.01em; margin: 0 0 6px; }
.prose h2 { font: 600 18px/1.3 var(--sans); margin: 34px 0 8px; }
.prose p, .prose ul { margin: 0 0 12px; }
.prose ul { padding-left: 20px; }
.prose code { font: 400 0.9em var(--mono); background: var(--paper-2); padding: 1px 4px; border-radius: var(--radius); }
.prose .updated { font: 400 12px/1.5 var(--mono); color: var(--muted); margin-bottom: 26px; }
.table-wrap { overflow-x: auto; margin: 0 0 12px; }
.prose table { border-collapse: collapse; width: 100%; font-size: 14px; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--rule); }
.prose th { font: 500 11px/1.3 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); border-bottom-color: var(--ink); }
@media (max-width: 560px) { .prose th, .prose td { min-width: 9em; } }