/* DMS Sweep — layout and components.
   Port of the FastGraph 95 artboard (design/build_mocks.py → G, G_CSS, build_g()).
   Every surface is a Windows-95 bevel: 1–2 px borders in the light/dark ramp plus
   inset box-shadows in the mid tones. No radii, no transitions, no other shadows. */

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

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--desktop);
  color: var(--text);
  font-family: var(--font);
  font-size: 12px;
}

a { color: var(--text); text-decoration: none; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  cursor: default;
}

svg { display: block; }

:focus-visible { outline: 1px dotted var(--text); outline-offset: -3px; }

.sr {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap;
}

.sp { flex: 1 1 auto; }
.mut { color: var(--muted); }
.tech { font-family: var(--mono); }

/* ------------------------------------------------------- desktop + window ---- */

.desk {
  max-width: 1440px;
  min-width: 1100px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 20px 24px;
  background: var(--desktop);
  display: flex;
}

.win {
  flex: 1 1 auto;
  min-width: 0;
  background: var(--face);
  border-top: 2px solid var(--hi);
  border-left: 2px solid var(--hi);
  border-right: 2px solid var(--lo);
  border-bottom: 2px solid var(--lo);
  box-shadow: inset 1px 1px 0 var(--midhi), inset -1px -1px 0 var(--midlo);
  padding: 3px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.title {
  height: 20px;
  flex: none;
  background: linear-gradient(90deg, var(--title-a), var(--title-b));
  color: var(--title-fg);
  font-weight: 700;
  display: flex;
  align-items: center;
  padding: 0 4px 0 6px;
  gap: 6px;
}
.title img { height: 14px; width: auto; display: block; }

/* decorative title-bar buttons */
.tb {
  width: 16px; height: 14px;
  background: var(--face);
  color: var(--text);
  border-top: 1px solid var(--hi);
  border-left: 1px solid var(--hi);
  border-right: 1px solid var(--lo);
  border-bottom: 1px solid var(--lo);
  box-shadow: inset 1px 1px 0 var(--midhi), inset -1px -1px 0 var(--midlo);
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.tb.gap { margin-left: 2px; }

.row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 4px;
  flex: none;
}
.row.ctl { flex-wrap: nowrap; }
.row > span:not(.sp):not(.hint) { flex: none; white-space: nowrap; }

.hint { flex: 0 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* -------------------------------------------- classic bevel button (.b95) ---- */

.b95 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 24px;
  padding: 0 12px;
  background: var(--face);
  color: var(--text);
  font-family: var(--font);
  font-size: 12px;
  cursor: default;
  white-space: nowrap;
  text-decoration: none;
  flex: none;
  border-top: 1px solid var(--hi);
  border-left: 1px solid var(--hi);
  border-right: 1px solid var(--lo);
  border-bottom: 1px solid var(--lo);
  box-shadow: inset 1px 1px 0 var(--midhi), inset -1px -1px 0 var(--midlo);
}
.b95:hover { background: var(--hover); }
.b95:active {
  border-top-color: var(--lo);
  border-left-color: var(--lo);
  border-right-color: var(--hi);
  border-bottom-color: var(--hi);
  box-shadow: inset 1px 1px 0 var(--midlo), inset -1px -1px 0 var(--midhi);
  padding: 1px 11px 0 13px;
}
.b95.default { outline: 1px solid var(--lo); outline-offset: 0; }
.b95.focus { position: relative; }
.b95.focus::after { content: ""; position: absolute; inset: 3px; border: 1px dotted var(--text); }
.b95.danger { color: var(--danger); font-weight: 700; }
.b95.positive { color: var(--positive); font-weight: 700; }
.b95.warning { color: var(--warning); font-weight: 700; }
.b95[hidden] { display: none; }

/* --------------------------------------------------- sunken field (.f95) ---- */

.f95 {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 4px;
  background: var(--field);
  color: var(--text);
  gap: 6px;
  flex: none;
  border-top: 2px solid var(--lo);
  border-left: 2px solid var(--lo);
  border-right: 2px solid var(--hi);
  border-bottom: 2px solid var(--hi);
  box-shadow: inset 1px 1px 0 var(--midlo);
}
.f95 .u { font-style: normal; color: var(--muted); flex: none; }
.f95.ro { width: 64px; justify-content: flex-start; }
.f95.big {
  height: 26px;
  font-weight: 700;
  font-size: 13px;
  color: var(--navy);
  width: 110px;
  font-variant-numeric: tabular-nums;
}
.f95.big #readout { flex: 1 1 auto; }
.f95.sel { background: var(--sel-bg); color: var(--sel-fg); }
.f95:focus-within { outline: 1px dotted var(--text); outline-offset: -4px; }

/* drawn spinner arrows (the native ones are hidden) */
.f95 .spin {
  display: flex;
  flex-direction: column;
  margin-left: auto;
  flex: none;
}
.f95 .spin button,
.f95 .spin i {
  width: 14px;
  height: 9px;
  padding: 0;
  background: var(--face);
  color: var(--text);
  border-top: 1px solid var(--hi);
  border-left: 1px solid var(--hi);
  border-right: 1px solid var(--lo);
  border-bottom: 1px solid var(--lo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-size: 7px;
  line-height: 1;
  cursor: default;
}
.f95 .spin button:active {
  border-top-color: var(--lo);
  border-left-color: var(--lo);
  border-right-color: var(--hi);
  border-bottom-color: var(--hi);
}
/* the dropdown arrow is decorative: the select sits under the whole field */
.f95 .spin.one {
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}
.f95 .spin.one button,
.f95 .spin.one i { height: 16px; font-size: 8px; }
.f95:has(.sel95) { position: relative; padding-right: 20px; }

/* number inputs live inside .f95; the native spinner is hidden */
.f95 .inp {
  font: inherit;
  font-variant-numeric: tabular-nums;
  color: inherit;
  background: transparent;
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
  width: 100%;
  height: 100%;
  text-align: left;
  -moz-appearance: textfield;
  appearance: textfield;
}
.f95 .inp::-webkit-outer-spin-button,
.f95 .inp::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.f95 .inp:focus { outline: none; }
.f95.w-preamp { width: 96px; }

/* select drawn as a 95 dropdown */
.f95 .sel95 {
  font: inherit;
  color: inherit;
  background: transparent;
  border: 0;
  padding: 0;
  margin: 0;
  width: 100%;
  min-width: 0;
  height: 100%;
  -webkit-appearance: none;
  appearance: none;
  cursor: default;
}
.f95 .sel95:focus { outline: none; }

/* -------------------------------------------------- segmented (Start/Top) ---- */

.seg { display: inline-flex; gap: 1px; flex: none; }
.seg button {
  height: 22px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--face);
  color: var(--muted);
  font: inherit;
  white-space: nowrap;
  border-top: 2px solid var(--hi);
  border-left: 2px solid var(--hi);
  border-right: 2px solid var(--lo);
  border-bottom: 2px solid var(--lo);
}
.seg button:hover { background: var(--hover); }
.seg button.set { color: var(--text); }
.seg button.on {
  background: var(--sel-bg);
  color: var(--sel-fg);
  border-top-color: var(--lo);
  border-left-color: var(--lo);
  border-right-color: var(--hi);
  border-bottom-color: var(--hi);
}
.seg button kbd { font-family: var(--font); font-size: 11px; }
.seg button .tech { font-family: var(--font); }

/* ----------------------------------------------------------- checkbox ------- */

.cb {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: inherit;
  color: var(--text);
  white-space: nowrap;
  flex: none;
  cursor: default;
}
.cb i {
  width: 13px; height: 13px;
  background: var(--field);
  color: var(--text);
  border-top: 1px solid var(--lo);
  border-left: 1px solid var(--lo);
  border-right: 1px solid var(--hi);
  border-bottom: 1px solid var(--hi);
  box-shadow: inset 1px 1px 0 var(--midlo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  flex: none;
}
.cb.on i::before,
.cb[aria-checked="true"] i::before,
.cb[aria-pressed="true"] i::before { content: "\2713"; }

/* ------------------------------------------------ sunken panel + groupbox ---- */

.sunk {
  background: var(--plot-bg);
  border-top: 2px solid var(--lo);
  border-left: 2px solid var(--lo);
  border-right: 2px solid var(--hi);
  border-bottom: 2px solid var(--hi);
  box-shadow: inset 1px 1px 0 var(--midlo);
  min-width: 0;
}

.gb {
  position: relative;
  border: 1px solid var(--midlo);
  box-shadow: 1px 1px 0 var(--hi), inset 1px 1px 0 var(--hi);
  padding: 14px 8px 8px;
  margin-top: 8px;
  min-width: 0;
}
.gb .t {
  position: absolute;
  top: -8px;
  left: 8px;
  padding: 0 4px;
  background: var(--face);
  color: var(--text);
}

/* ------------------------------------------------------------- main grid ---- */

.main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 296px;
  gap: 10px;
  flex: 1 1 auto;
  min-height: 0;
}
.col { display: flex; flex-direction: column; gap: 8px; min-height: 0; min-width: 0; }

.gb-sweep { flex: none; }
.tapewrap { padding: 0 6px; height: 78px; }
#tape {
  width: 100%;
  height: 100%;
  min-height: 70px;
  background: var(--plot-bg);
  cursor: ew-resize;
  touch-action: none;
}

.gb-graph { flex: 1 1 auto; display: flex; flex-direction: column; min-height: 300px; }
.plotwrap {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) 18px;
  flex: 1 1 auto;
  min-height: 0;
}
.ylab {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  text-align: center;
  color: var(--text);
}
.xlab { grid-column: 2; text-align: center; color: var(--text); }
.plot { overflow: hidden; display: flex; min-height: 0; }
#graph { width: 100%; height: 100%; }

.gb-peq { flex: none; display: flex; flex-direction: column; gap: 6px; }
.prewrap { min-height: 74px; display: flex; overflow: auto; }
.pre {
  margin: 0;
  padding: 4px 6px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.45;
  white-space: pre;
  color: var(--plot-fg);
  flex: 1 1 auto;
}
.erow { padding: 0; }

/* --------------------------------------------------- Windows 95 slider ------ */

.sl95 {
  display: inline-flex;
  flex-direction: column;
  width: 180px;
  flex: none;
}
.sl95 .track { height: 21px; display: block; }

.sl95 input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  height: 21px;
  margin: 0;
  padding: 0;
  background: transparent;
  cursor: default;
}
.sl95 input[type="range"]:focus { outline: none; }
.sl95 input[type="range"]:focus-visible { outline: 1px dotted var(--text); }

.sl95 input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  box-sizing: border-box;
  background: var(--face);
  border-top: 1px solid var(--lo);
  border-left: 1px solid var(--lo);
  border-right: 1px solid var(--hi);
  border-bottom: 1px solid var(--hi);
  box-shadow: inset 1px 1px 0 var(--midlo);
}
.sl95 input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 11px;
  height: 21px;
  margin-top: -8.5px;
  border: 0;
  background: var(--face);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 50% 100%, 0 68%);
  box-shadow:
    inset 1px 1px 0 var(--hi),
    inset -1px 0 0 var(--lo),
    inset -2px 0 0 var(--midlo),
    inset 0 -1px 0 var(--midlo);
}
.sl95 input[type="range"]::-moz-range-track {
  height: 4px;
  box-sizing: border-box;
  background: var(--face);
  border-top: 1px solid var(--lo);
  border-left: 1px solid var(--lo);
  border-right: 1px solid var(--hi);
  border-bottom: 1px solid var(--hi);
  box-shadow: inset 1px 1px 0 var(--midlo);
}
.sl95 input[type="range"]::-moz-range-thumb {
  width: 11px;
  height: 21px;
  border: 0;
  border-radius: 0;
  background: var(--face);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 50% 100%, 0 68%);
  box-shadow:
    inset 1px 1px 0 var(--hi),
    inset -1px 0 0 var(--lo),
    inset -2px 0 0 var(--midlo),
    inset 0 -1px 0 var(--midlo);
}

.sl95 .ticks {
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--lo) 0 1px, transparent 1px 100%);
  background-size: calc(100% / 9) 100%;
  background-position: 5px 0;
  margin: 0 5px;
}
.sl95 .cap {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 11px;
  margin-top: 1px;
}

/* ---------------------------------------------------------- band cards ------ */

.gb-bands { flex: 1 1 auto; display: flex; flex-direction: column; min-height: 0; }
.list { overflow: auto; min-height: 0; flex: 1 1 auto; }

.bcard {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr) minmax(0, 1fr);
  gap: 4px 6px;
  align-items: center;
  padding: 5px 6px;
  margin-bottom: 5px;
  border-top: 1px solid var(--hi);
  border-left: 1px solid var(--hi);
  border-right: 1px solid var(--lo);
  border-bottom: 1px solid var(--lo);
  box-shadow: inset 1px 1px 0 var(--midhi), inset -1px -1px 0 var(--midlo);
}
.bcard.active { background: var(--hover); }
.bcard .n { grid-row: span 2; text-align: center; font-weight: 700; }
.bcard.active .n { color: var(--navy); }
.bcard .f95 { width: 100%; }
.bcard .r2 { grid-column: 2 / 4; display: flex; align-items: center; gap: 6px; }
.bcard .r2 .f95 { flex: 1 1 auto; min-width: 0; }
.bcard.off .f95 { color: var(--disabled); }
.bcard.off .f95 .u { color: var(--disabled); }
.bcard .x {
  height: 18px;
  padding: 0 5px;
  color: var(--danger);
  font-weight: 700;
}
.bcard.empty {
  grid-template-columns: 16px minmax(0, 1fr);
  color: var(--disabled);
}
.bcard.empty .n { grid-row: auto; }

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

.status {
  display: flex;
  gap: 3px;
  flex: none;
  border-top: 2px solid var(--hi);
  padding-top: 3px;
}
.status span {
  height: 20px;
  display: inline-flex;
  align-items: center;
  padding: 0 6px;
  border-top: 1px solid var(--midlo);
  border-left: 1px solid var(--midlo);
  border-right: 1px solid var(--hi);
  border-bottom: 1px solid var(--hi);
}
.status .grow { flex: 1 1 auto; }
.status .saved { color: var(--face); }
.status .saved.on { color: var(--text); }

/* ------------------------------------------------- gear (affiliate links) ---- */

.gear { flex: none; }
.gear[hidden] { display: none; }
.gear-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px 16px; }
.gear-item { display: flex; flex-direction: column; gap: 2px; padding: 6px 0; color: var(--text); }
.gear-item b { font-weight: 700; }
.gear-item span { color: var(--muted); }

/* ----------------------------------------------------------------- gate ---- */

.gate {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: var(--desktop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.gate[hidden] { display: none; }

.dlg { flex: 0 0 auto; width: 520px; gap: 0; }
.dlg-body { padding: 12px 10px 10px; display: flex; flex-direction: column; gap: 14px; }
.dlg-body p { margin: 0; line-height: 1.5; color: var(--text); }
.dlg-body .row { padding: 0; }

/* --------------------------------------------------------------- motion ---- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}