/* Slice — interface styles.
 *
 * The layout follows the original PyQt5 application: a menu bar, a wordmark, a font
 * path row, then the Axis, Name and Bit Flag editors stacked in group boxes, a Slice
 * button, and a status bar along the bottom. The group-box look is deliberate; it is
 * what makes this recognisably the same tool.
 */

@font-face {
  /* The wordmark face from the original: Recursive sliced at MONO=0, CASL=0.5,
     wght=800, slnt=0, CRSV=1, subset to the letters in "Slice". */
  font-family: "Recursive Slice";
  src: url("./fonts/RecursiveSans-Slice_mod.subset.ttf") format("truetype");
  font-display: swap;
}

:root {
  --bg: #f4f4f5;
  --panel: #ffffff;
  --panel-alt: #fafafa;
  --ink: #18181b;
  --ink-soft: #52525b;
  --ink-faint: #8a8a94;
  --line: #d8d8de;
  --line-strong: #b9b9c2;
  --accent: #c2410c;
  --accent-ink: #ffffff;
  --accent-soft: #fff1e9;
  --danger: #b42318;
  --danger-soft: #fef3f2;
  --warn-soft: #fffaeb;
  --warn-line: #f5d78e;
  --radius: 8px;
  --mono: ui-monospace, "SF Mono", "IBM Plex Mono", "JetBrains Mono", Menlo, Consolas,
    monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131316;
    --panel: #1c1c20;
    --panel-alt: #232329;
    --ink: #f2f2f4;
    --ink-soft: #b4b4bd;
    --ink-faint: #8a8a94;
    --line: #33333b;
    --line-strong: #45454f;
    --accent: #fb923c;
    --accent-ink: #1a1005;
    --accent-soft: #2c1a0d;
    --danger: #fda29b;
    --danger-soft: #33201e;
    --warn-soft: #2b2312;
    --warn-line: #6b5a20;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
}

.boot,
.noscript {
  max-width: 34rem;
  margin: 6rem auto;
  padding: 0 1.5rem;
  color: var(--ink-soft);
}
.boot.failed pre {
  white-space: pre-wrap;
  background: var(--danger-soft);
  color: var(--danger);
  padding: 0.75rem;
  border-radius: var(--radius);
}

/* ---------------------------------------------------------------- app shell */

.app {
  max-width: 60rem;
  margin: 0 auto;
  padding: 0 1.25rem 6rem;
  position: relative;
}

.app.dragging::after {
  content: "Drop to open";
  position: fixed;
  inset: 0.75rem;
  z-index: 40;
  border: 3px dashed var(--accent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent-soft) 88%, transparent);
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 600;
  display: grid;
  place-items: center;
  pointer-events: none;
}

/* ------------------------------------------------------------------ menubar */

.menubar {
  display: flex;
  gap: 0.15rem;
  border-bottom: 1px solid var(--line);
  margin: 0 -1.25rem 1.5rem;
  padding: 0 1.25rem;
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 30;
}

.menu {
  position: relative;
}

.menu-title {
  background: none;
  border: 0;
  color: var(--ink);
  font: inherit;
  padding: 0.55rem 0.8rem;
  cursor: pointer;
  border-radius: 6px 6px 0 0;
}
.menu-title:hover,
.menu.open .menu-title {
  background: var(--panel-alt);
  color: var(--accent);
}

.menu-items {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 17rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  box-shadow: 0 12px 28px rgb(0 0 0 / 18%);
  padding: 0.3rem;
  z-index: 31;
}
.menu-items.open {
  display: block;
}

.menu-items button,
.menu-items a {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  color: var(--ink);
  font: inherit;
  text-decoration: none;
  padding: 0.4rem 0.6rem;
  border-radius: 5px;
  cursor: pointer;
}
.menu-items button:hover:not(:disabled),
.menu-items a:hover {
  background: var(--accent-soft);
  color: var(--accent);
}
.menu-items button:disabled {
  color: var(--ink-faint);
  cursor: default;
}
.menu-items hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0.3rem 0.2rem;
}
.menu-heading {
  display: block;
  padding: 0.4rem 0.6rem 0.2rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
}
.menu-items kbd,
.menu-items .external {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.8rem;
}

/* -------------------------------------------------------------------- title */

.title {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.title h1 {
  font-family: "Recursive Slice", var(--sans);
  font-size: 2.6rem;
  font-weight: 800;
  margin: 0;
  line-height: 1;
}
.title .tagline {
  margin: 0;
  color: var(--ink-soft);
  flex-basis: 100%;
}
.logo {
  /* The icon is 75 x 60, so height follows from the width rather than being set
     square, which would squash it. */
  width: 58px;
  height: auto;
  flex: none;
  display: block;
}

/* ------------------------------------------------------------------- groups */

.group {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem 1.1rem;
  margin-bottom: 1.1rem;
}
.group h2 {
  margin: 0 0 0.75rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-soft);
}
.hint {
  margin: 0.7rem 0 0;
  color: var(--ink-faint);
  font-size: 0.85rem;
}
.hint code,
.notes code {
  font-family: var(--mono);
  background: var(--panel-alt);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.05em 0.35em;
  font-size: 0.85em;
  color: var(--ink-soft);
}
.empty {
  color: var(--ink-faint);
  margin: 0;
}

/* ---------------------------------------------------------------- font path */

.font-path {
  display: flex;
  gap: 0.85rem;
  align-items: stretch;
}
.dropzone {
  flex: 1;
  border: 2px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  min-height: 4.1rem;
  background: var(--panel-alt);
}
.dropzone.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.dropzone .placeholder {
  margin: 0;
  color: var(--ink-faint);
}
.dropzone .loaded {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}
.dropzone .loaded strong {
  font-family: var(--mono);
  overflow-wrap: anywhere;
}
.detail {
  color: var(--ink-faint);
  font-size: 0.85rem;
}

/* ------------------------------------------------------------------- tables */

table.editor {
  width: 100%;
  border-collapse: collapse;
}
table.editor th,
table.editor td {
  text-align: left;
  padding: 0.3rem 0.55rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.editor thead th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  font-weight: 600;
  border-bottom-color: var(--line-strong);
}
table.editor tbody tr:nth-child(even) {
  /* Alternating rows, as the original's table views use. */
  background: var(--panel-alt);
}
table.editor tbody tr:last-child th,
table.editor tbody tr:last-child td {
  border-bottom: 0;
}

.axis-editor .axis-tag {
  font-family: var(--mono);
  font-weight: 600;
  white-space: nowrap;
  width: 1%;
}
.axis-editor .range {
  color: var(--ink-soft);
  white-space: nowrap;
}
.name-editor th {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--ink-soft);
  white-space: nowrap;
  width: 1%;
}

.badge {
  margin-left: 0.4rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0 0.4em;
}

input[type="text"],
select {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 0.32rem 0.5rem;
}
input[type="text"]:focus-visible,
select:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
input.numeric {
  font-family: var(--mono);
}
input.invalid {
  border-color: var(--danger);
  background: var(--danger-soft);
}
.field-error {
  margin: 0.3rem 0 0;
  color: var(--danger);
  font-size: 0.82rem;
}

/* ---------------------------------------------------------------- bit flags */

.bit-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 0.85rem;
}
fieldset {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.6rem 0.85rem 0.75rem;
  margin: 0;
}
legend {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  padding: 0 0.35rem;
}
.checkboxes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  gap: 0.3rem 0.8rem;
}
.checkboxes label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--mono);
  font-size: 0.88rem;
  cursor: pointer;
}
.binary {
  margin: 0.6rem 0 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
}
.warnings {
  margin: 0.85rem 0 0;
  padding: 0.6rem 0.9rem 0.6rem 2rem;
  background: var(--warn-soft);
  border: 1px solid var(--warn-line);
  border-radius: var(--radius);
  color: var(--ink-soft);
  font-size: 0.88rem;
}

/* ------------------------------------------------------------------ options */

.option {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  padding: 0.4rem 0;
  cursor: pointer;
}
.option input[type="checkbox"] {
  margin-top: 0.3rem;
  flex: none;
}
.option span {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.option.format {
  align-items: center;
  gap: 1rem;
  cursor: default;
}
.option.format select {
  width: auto;
  min-width: 18rem;
}

/* ------------------------------------------------------------------ actions */

.actions {
  display: flex;
  justify-content: center;
  margin: 1.6rem 0;
}
button {
  font: inherit;
  cursor: pointer;
}
button.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border: 0;
  border-radius: var(--radius);
  padding: 0.55rem 1.2rem;
  font-weight: 600;
}
button.primary.slice {
  min-width: 13rem;
  padding: 0.7rem 1.2rem;
  font-size: 1.05rem;
}
button.primary:hover:not(:disabled) {
  filter: brightness(1.08);
}
button.primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
button.secondary {
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0.55rem 1.15rem;
  font-weight: 500;
}
button.secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.notes ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.hidden-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* --------------------------------------------------------------- status bar */

.statusbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.4rem 1.25rem;
  background: var(--panel);
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.85rem;
  z-index: 20;
}
.statusbar .version {
  font-family: var(--mono);
  color: var(--ink-faint);
}
/* The commit hash sits beside the version, quieter than it and separated by a
   middot drawn rather than typed, so the two read as one stamp. */
.statusbar .version .commit::before {
  content: "·";
  margin: 0 0.4em;
  color: var(--ink-faint);
}
.statusbar .version a.commit {
  color: var(--ink-faint);
  text-decoration: none;
  border-bottom: 1px dotted currentColor;
}
.statusbar .version a.commit:hover,
.statusbar .version a.commit:focus-visible {
  color: var(--accent);
}

/* ------------------------------------------------------------------ dialogs */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 45%);
  display: grid;
  place-items: center;
  padding: 1.25rem;
  z-index: 50;
}
.modal {
  background: var(--panel);
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgb(0 0 0 / 35%);
  padding: 1.35rem 1.5rem;
  max-width: 34rem;
  width: 100%;
  max-height: 85vh;
  overflow: auto;
}
.modal h2 {
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
}
.modal .buttons {
  display: flex;
  justify-content: flex-end;
  margin-top: 1.1rem;
}
.modal.error h2 {
  color: var(--danger);
}
.modal pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: var(--panel-alt);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.7rem;
  font-family: var(--mono);
  font-size: 0.83rem;
  margin: 0.5rem 0 0;
}
.modal details summary {
  cursor: pointer;
  color: var(--ink-soft);
}

.about-head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.about-head h2 {
  font-family: "Recursive Slice", var(--sans);
  font-size: 2rem;
  font-weight: 800;
  margin: 0;
}
.about-lead {
  color: var(--ink-soft);
}
.modal.about h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  margin: 1.1rem 0 0.4rem;
}
.credits {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.licence {
  color: var(--ink-faint);
  font-size: 0.85rem;
}
.modal a {
  color: var(--accent);
}

.modal.progress {
  max-width: 22rem;
  text-align: center;
}
.indeterminate {
  height: 6px;
  background: var(--panel-alt);
  border-radius: 999px;
  overflow: hidden;
  margin: 0.9rem 0 0.6rem;
}
.indeterminate .bar {
  height: 100%;
  width: 38%;
  background: var(--accent);
  border-radius: 999px;
  animation: sweep 1.1s ease-in-out infinite;
}
@keyframes sweep {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(300%);
  }
}
@media (prefers-reduced-motion: reduce) {
  .indeterminate .bar {
    animation: none;
    width: 100%;
  }
}

@media (max-width: 34rem) {
  .font-path {
    flex-direction: column;
  }
  .title h1 {
    font-size: 2.1rem;
  }
  .option.format {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.4rem;
  }
  .option.format select {
    min-width: 0;
    width: 100%;
  }
}

button.linklike {
  display: block;
  margin-top: 0.25rem;
  background: none;
  border: 0;
  padding: 0;
  color: var(--accent);
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ------------------------------------------------- fonts opened before */

.recent {
  /* The dropzone is a centred flex row; this has to claim the whole width and sit
     under the placeholder rather than beside it. */
  flex-basis: 100%;
  margin: 0.75rem 0 0;
  border-top: 1px dashed var(--line);
  padding-top: 0.7rem;
}
.recent h3 {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.recent ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.recent li {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-alt);
  overflow: hidden;
}
.recent li:hover { border-color: var(--line-strong); }

.recent .recall {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
  padding: 0.4rem 0.7rem;
  border: none;
  background: none;
  font: inherit;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}
.recent .recall:hover { background: var(--accent-soft); }
.recent .recall .label { font-weight: 600; font-size: 0.92rem; }
.recent .recall .detail {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
}

/* A quiet control: destructive, so it should not be the thing the eye lands on. */
.recent .forget {
  border: none;
  border-left: 1px solid var(--line);
  background: none;
  color: var(--ink-faint);
  cursor: pointer;
  padding: 0 0.55rem;
  font-size: 1rem;
  line-height: 1;
}
.recent .forget:hover { background: var(--danger-soft); color: var(--danger); }
.recent h3 { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.recent .forget-all { font-size: 0.72rem; letter-spacing: 0; text-transform: none; }

.recent .recall .label {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.recent .version {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--ink-faint);
}
.recent .when {
  font-size: 0.68rem;
  color: var(--ink-faint);
}
/* The staleness note is advice, not a failure: it uses the warning colours rather than
   the error ones, and the row stays perfectly usable. */
.recent li.stale { border-color: var(--warn-line); }
.recent .note {
  font-size: 0.7rem;
  color: var(--ink-soft);
  background: var(--warn-soft);
  border: 1px solid var(--warn-line);
  border-radius: 4px;
  padding: 0.08rem 0.35rem;
  margin-top: 0.15rem;
}