:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #161d2b;
  --panel2: #131a26;
  --text: #e6eefc;
  --muted: #9db0d3;
  --border: rgba(255, 255, 255, 0.09);
  --accent: #5cc8ff;

  /* Semantic state colors */
  --state-ok: #4ade80;
  --state-err: #f87171;
  --danger: #c84030;

  /* Font-size scale */
  --fs-xs: 11px;
  --fs-sm: 12px;
  --fs-base: 13px;

  /* Sub-panel palette (HostFS, Assembler, etc.) */
  --sub-panel-bg: #141d2c;
  --sub-panel-border: rgba(255, 255, 255, 0.08);
  --sub-panel-header-bg: #111928;
  --sub-panel-toolbar-bg: #101827;
  --sub-panel-inner-border: rgba(255, 255, 255, 0.07);
  --sub-panel-statusbar-bg: #0c1422;
  --sub-panel-btn-idle: var(--muted);
  --sub-panel-btn-radius: 4px;
  --sub-panel-label: #7a90a8;
  --sub-panel-dim: #4c6880;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial,
    "Apple Color Emoji", "Segoe UI Emoji";
}

body {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #1a2336, #0d1117);
  gap: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  align-items: center;
  min-height: 44px;
}

.brand .title {
  font-weight: 700;
  letter-spacing: 0.2px;
  line-height: 1.2;
}

.brand .titleRow {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.brandHelp {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: var(--muted);
  cursor: help;
  vertical-align: baseline;
}

.brandHelp i {
  font-size: 14px;
}

.brandHelp:focus-visible,
.brandHelp:hover {
  color: var(--accent);
  outline: none;
}

.brandTooltip {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 280px;
  max-width: min(90vw, 420px);
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
  font-size: var(--fs-sm);
  line-height: 1.5;
  text-align: left;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease-in;
  z-index: 10;
}

.brandTooltip strong {
  color: var(--text);
  font-weight: 600;
}

.brandTooltip em {
  color: var(--muted);
  font-style: italic;
  opacity: 0.85;
}

.brandTooltip .tt-meta {
  font-size: var(--fs-xs);
  opacity: 0.75;
}

.brandTooltip .tt-section {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.brandTooltip .tt-heading {
  display: block;
  margin-bottom: 4px;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
}

.brandTooltip .tt-row {
  display: flex;
  gap: 6px;
  padding: 2px 0;
}

.brandTooltip .tt-key {
  flex-shrink: 0;
  min-width: 100px;
  color: var(--text);
  font-weight: 600;
}

.brandTooltip .tt-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
}

.brandTooltip .tt-icon {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

@media (max-width: 600px) {
  .brandTooltip {
    font-size: var(--fs-base);
    line-height: 1.6;
    padding: 16px;
    max-width: 92vw;
  }
  .brandTooltip .tt-key {
    min-width: 90px;
  }
}

.brandHelp:focus-visible .brandTooltip,
.brandHelp:hover .brandTooltip {
  opacity: 1;
}

.brand .subtitle {
  font-size: var(--fs-sm);
  color: var(--muted);
  margin-top: 2px;
}

.controls {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  flex: 1 1 520px;
  min-width: min(100%, 420px);
}

.controlsPrimary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.primaryControls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  min-width: 0;
}

.controlsSecondary {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.controlsSecondary[hidden] {
  display: none;
}

.iconControls {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.iconControls button {
  min-width: 44px;
  min-height: 44px;
  padding: 0;
}

.iconControlsPrimary {
  gap: 6px;
}

.toolbarCollapseBtn {
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}

.toolbarCollapseBtn:hover:not(:disabled),
.toolbarCollapseBtn:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
}

button {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 10px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button i {
  font-size: 16px;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

button:hover:not(:disabled) {
  border-color: rgba(255, 255, 255, 0.18);
}

/* Toggle buttons */
.toggle-btn {
  opacity: 0.5;
  transition: opacity 0.15s, border-color 0.15s;
}

.toggle-btn.active {
  opacity: 1;
  border-color: var(--border);
}

.toggle-btn:hover:not(:disabled) {
  opacity: 1;
}

/* Turbo badge - only show when active */
.turbo-stack {
  position: relative;
}

.turbo-badge {
  display: none;
  position: absolute;
  right: -0.18em;
  bottom: -0.14em;
  font-size: 0.65em;
  line-height: 1;
  color: #ef4444;
}

.toggle-btn.active .turbo-badge {
  display: inline-block;
}

/* Audio icons - swap based on state */
.audio-off {
  display: none;
}

.toggle-btn:not(.active) .audio-off {
  display: inline;
}

.toggle-btn:not(.active) .audio-on {
  display: none;
}

.joystick-stack {
  position: relative;
}

.joystick-off-mark {
  position: absolute;
  right: -0.04em;
  bottom: -0.08em;
  font-size: 0.8em;
  color: #ef4444;
}

.toggle-btn.active .joystick-off-mark {
  display: none;
}

.keyboard-stack {
  position: relative;
}

.keyboard-off-mark {
  position: absolute;
  right: -0.04em;
  bottom: -0.08em;
  font-size: 0.8em;
  color: #ef4444;
}

.toggle-btn.active .keyboard-off-mark {
  display: none;
}

.chk {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-base);
  color: var(--muted);
}

.chk i {
  font-size: 14px;
}

.layout {
  display: flex;
  flex-direction: column;
  padding: 14px;
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
  gap: 10px;
}

.screenPanel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  width: 100%;
}

.screenViewport {
  width: 100%;
  min-width: 0;
  min-height: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: transparent;
}

.screenViewport.drag-over {
  outline: 3px dashed var(--accent);
  outline-offset: -3px;
}

.screenViewport.drag-over canvas {
  opacity: 0.6;
}

/* NOTE: these must be SEPARATE rules. A selector list is invalidated in full if
   any selector in it is unknown to the browser, so grouping :fullscreen with the
   prefixed :-webkit-full-screen would drop the whole rule in Firefox (and the
   reverse in older WebKit). Keep one rule per pseudo-class. */
.screenViewport:fullscreen {
  width: 100vw;
  height: 100vh;
  min-height: 100vh;
  background: transparent;
  padding: 0;
}
.screenViewport:-webkit-full-screen {
  width: 100vw;
  height: 100vh;
  min-height: 100vh;
  background: transparent;
  padding: 0;
}

.keyboardPanel {
  width: min(100%, 1083px);
  border: 0;
  border-radius: 0;
  padding: 8px 0 18px;
  background: transparent;
  box-shadow: none;
  overflow: visible;
  align-self: center;
}

.keyboardPanel[hidden] {
  display: none;
}

.joystickPanel {
  width: min(100%, 500px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  padding: 10px;
  background: linear-gradient(180deg, #2f2f2f 0%, #272727 100%);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  align-self: center;
}

.joystickPanel[hidden] {
  display: none;
}

.joystickPanelInner {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2px;
}

.cx40 {
  width: 352px;
  height: 352px;
  position: relative;
  filter: drop-shadow(0 18px 24px rgba(0, 0, 0, 0.55));
}

.cx40-base {
  width: 100%;
  height: 100%;
  background: #1a1a1a;
  border-radius: 53px;
  position: relative;
  box-shadow:
    inset 0 4px 10px rgba(255, 255, 255, 0.1),
    10px 30px 60px rgba(0, 0, 0, 0.6),
    0 0 0 2px #111;
  display: flex;
  justify-content: center;
  align-items: center;
  touch-action: none;
  user-select: none;
}

.cx40-cable {
  position: absolute;
  top: -35px;
  right: 70px;
  width: 11px;
  height: 44px;
  background: #2a2a2a;
  border-radius: 6px 6px 0 0;
  box-shadow: inset -3px 0 5px rgba(0, 0, 0, 0.5);
}

.cx40-markings-ring {
  position: absolute;
  top: 55%;
  left: 50%;
  width: 246px;
  height: 246px;
  transform: translate(-50%, -50%);
  border: 4px dashed #ff7b00;
  border-radius: 50%;
  opacity: 0.8;
  pointer-events: none;
  z-index: 3;
}

.cx40-arrow {
  position: absolute;
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-bottom: 11px solid #ff7b00;
}

.cx40-arrow-up {
  top: 9px;
  left: 50%;
  transform: translateX(-50%);
}

.cx40-arrow-down {
  bottom: 9px;
  left: 50%;
  transform: translateX(-50%) rotate(180deg);
}

.cx40-arrow-left {
  left: 9px;
  top: 50%;
  transform: translateY(-50%) rotate(-90deg);
}

.cx40-arrow-right {
  right: 9px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
}

.cx40-top-label {
  position: absolute;
  top: 55%;
  left: 50%;
  transform: translate(-50%, -50%) translateY(-135px);
  font-size: 12px;
  font-weight: 700;
  color: #ff7b00;
  font-family: "Roboto Condensed", "Courier New", monospace;
  letter-spacing: 2px;
  text-transform: uppercase;
  pointer-events: none;
  z-index: 4;
}

.cx40-fire-housing {
  position: absolute;
  top: 22px;
  left: 30px;
  width: 46px;
  height: 46px;
  z-index: 12;
}

.cx40-fire-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: radial-gradient(circle at 30% 30%, #ff5f52, #a31100);
  box-shadow:
    0 4px 0 #7a0d00,
    0 6px 15px rgba(0, 0, 0, 0.5);
  transition: transform 0.1s, box-shadow 0.1s;
  cursor: pointer;
  padding: 0;
  outline: none;
}

.cx40-fire-btn:active,
.cx40-fire-btn.active {
  transform: translateY(3px);
  box-shadow:
    0 1px 0 #7a0d00,
    0 2px 5px rgba(0, 0, 0, 0.5);
  background: radial-gradient(circle at 30% 30%, #e6453a, #8a0e00);
}

.cx40-boot {
  position: absolute;
  top: 55%;
  left: 50%;
  width: 176px;
  height: 176px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: repeating-radial-gradient(
    circle,
    #181818,
    #181818 10px,
    #080808 12px,
    #080808 15px
  );
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
}

.cx40-stick-area {
  width: 70px;
  height: 70px;
  position: relative;
  z-index: 10;
  cursor: grab;
  transition: transform 0.05s linear;
}

.cx40-stick-area.grabbing {
  cursor: grabbing;
  transition: none;
}

.cx40-stick-hex {
  width: 70px;
  height: 70px;
  background: #2a2a2a;
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
  box-shadow:
    inset 0 5px 10px rgba(255, 255, 255, 0.1),
    inset 0 -5px 10px rgba(0, 0, 0, 0.5);
  position: absolute;
}

.cx40-stick-hex::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 35px;
  height: 35px;
  transform: translate(-50%, -50%);
  background: #222;
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
  box-shadow: inset 0 2px 5px rgba(255, 255, 255, 0.05);
}

.cx40-stick-shaft {
  position: absolute;
  width: 53px;
  height: 53px;
  background: #1a1a1a;
  border-radius: 50%;
  top: 9px;
  left: 9px;
  z-index: -1;
}

.cx40-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 176px;
  height: 176px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.15s;
}

.cx40-glow.up {
  background: linear-gradient(to bottom, rgba(255, 123, 0, 0.2) 0%, transparent 46%);
}

.cx40-glow.down {
  background: linear-gradient(to top, rgba(255, 123, 0, 0.2) 0%, transparent 46%);
}

.cx40-glow.left {
  background: linear-gradient(to right, rgba(255, 123, 0, 0.2) 0%, transparent 46%);
}

.cx40-glow.right {
  background: linear-gradient(to left, rgba(255, 123, 0, 0.2) 0%, transparent 46%);
}

.cx40-glow.active {
  opacity: 1;
}

.atariKeyboard {
  --bed: #202018;
  --bed-hi: #d5d5c8;
  --stripe: #200218;
  --key-top: #2d2d25;
  --key-mid: #282820;
  --legend: #cccccc;
  --legend-dim: #a7a79a;
  --metal: #b0b0b0;
  --metal-hi: #d0d0d0;
  --gap: clamp(2px, 0.45vw, 5px);
  --key-h: clamp(29px, calc(3.8vw + 13px), 52px);
  --radius: clamp(12px, 1.9vw, 20px);
  --shell-pad-x: clamp(6px, 1.6vw, 16px);
  --shell-pad-top: clamp(18px, 4.3vw, 50px);
  --shell-pad-bottom: clamp(8px, 2.4vw, 20px);
  --deck-pad-x: clamp(0px, 0.35vw, 4px);
  --deck-pad-top: clamp(0px, 0.35vw, 4px);
  --deck-pad-bottom: clamp(0px, 0.35vw, 4px);
  --main-pad-bottom: 0px;
  --side-pad-x: clamp(3px, 0.9vw, 10px);
  --key-font: clamp(6px, 1.25vw, 14px);
  --key-font-wide: clamp(5px, 1.02vw, 11px);
  --side-key-w: clamp(16px, 4.2vw, 48px);
  --side-band-w: var(--side-key-w);
  --side-key-h: var(--key-h);
  --side-key-gap: var(--gap);
  --side-band-top: 0px;
  --side-band-bottom: var(--shell-pad-bottom);
  --legend-font: "Exo 2", "Roboto Condensed", "Segoe UI", system-ui, sans-serif;
  --mono:
    ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  min-width: 0;
  width: min(100%, 1083px);
  margin-inline: auto;
  color: var(--legend);
  font-family: var(--legend-font);
}

.atariKeyboard .atari {
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(
    to bottom,
    var(--bed-hi) 0%,
    var(--bed-hi) 13%,
    var(--stripe) 14%,
    var(--bed) 15%,
    var(--bed) 100%
  );
  box-shadow:
    0 8px 0 #060603,
    0 16px 50px rgba(0, 0, 0, 0.9),
    inset 0 1px 0 rgba(255, 255, 255, 0.10);
  display: grid;
  grid-template-columns: 1fr auto auto;
  grid-template-rows: auto 1fr;
}

.atariKeyboard .chassis-label {
  height: var(--shell-pad-top);
  padding: 0 var(--shell-pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  grid-column: 1 / 4;
  user-select: none;
  /* Explicitly paint cream so the gradient below it is not relied upon for
     colour, then add the thin dark stripe at the bottom — matching KLE's
     #200218 separator band which is otherwise too narrow to render reliably. */
  background: var(--bed-hi);
  border-bottom: clamp(2px, 0.4vw, 4px) solid var(--stripe);
  box-sizing: border-box;
}

.atariKeyboard .chassis-label .kbname {
  color: #555555;
  font-size: clamp(6px, 0.9vw, 10px);
  font-weight: 700;
  letter-spacing: 0.35em;
  text-transform: uppercase;
}

.atariKeyboard .chassis-label .kbauthor {
  color: #888888;
  font-size: clamp(6px, 0.78vw, 9px);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.atariKeyboard .case-keyboard {
  grid-row: 2;
  padding: 0 var(--shell-pad-x) var(--shell-pad-bottom);
  background: transparent;
  border-radius: 0 0 0 var(--radius);
}

.atariKeyboard .deck {
  padding: var(--deck-pad-top) var(--deck-pad-x) var(--deck-pad-bottom);
}

.atariKeyboard .main {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  padding-bottom: var(--main-pad-bottom);
}

.atariKeyboard .row {
  display: flex;
  gap: var(--gap);
  align-items: stretch;
}

.atariKeyboard .spacer {
  flex: var(--w, 1) 0 0;
  min-width: 0;
}

.atariKeyboard .key {
  flex: var(--w, 1) 0 0;
  min-width: 0;
  box-sizing: border-box;
  height: var(--key-h);
  border-radius: clamp(5px, 1.1vw, 14px);
  border-top:    1px solid #323228;
  border-left:   1px solid #323228;
  border-right:  1px solid #111110;
  border-bottom: 3px solid #111110;
  background: var(--key-mid);
  box-shadow: none;
  color: var(--legend);
  font-family: var(--legend-font);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  user-select: none;
  touch-action: manipulation;
  padding: 4px 6px;
  display: grid;
  place-items: center;
  outline: none;
  text-transform: uppercase;
  font-size: var(--key-font);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: filter .06s, transform .06s, border-bottom-width .06s;
  /* creates own stacking context so the pseudo keycap layers sit above the key background
     but below all in-flow text content (letter keys like "A" that have no .leg wrapper) */
  z-index: 0;
}

/* DCS inner keycap face — all keys except spacebar */
.atariKeyboard .key::before {
  content: "";
  position: absolute;
  inset: 2px 3px 5px 3px;
  background: var(--key-top);
  border-radius: clamp(4px, 0.9vw, 12px);
  pointer-events: none;
  z-index: -2;
}

.atariKeyboard .key::after {
  content: "";
  position: absolute;
  inset: 2px 3px 5px 3px;
  border-radius: clamp(4px, 0.9vw, 12px);
  background-image: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.03) 0%,
    rgba(0, 0, 0, 0.06) 40%,
    rgba(0, 0, 0, 0.06) 60%,
    rgba(255, 255, 255, 0.02) 100%
  );
  pointer-events: none;
  z-index: -1;
}

.atariKeyboard .key .leg {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto;
  align-items: center;
  justify-items: center;
  gap: 0;
  padding: 1px 0;
  text-align: center;
  letter-spacing: 0.02em;
  position: relative;
  z-index: 2;
}

.atariKeyboard .key .top {
  font-size: clamp(3px, 0.9vw, 9px);
  color: var(--legend-dim);
  line-height: 1;
}

.atariKeyboard .whiteback {
  background: #ffffff;
  color: #000000 !important;
  border-radius: 2px;
  padding: 1px 3px;
  text-align: center;
  font-weight: 700;
  line-height: 1.35;
  display: inline-block;
  font-size: clamp(4px, 0.74vw, 8px);
}

.atariKeyboard .whiteback.arrowbadge {
  min-width: 1.2em;
  padding: 1px 3px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.atariKeyboard .whiteback.arrowbadge .fa-solid {
  font-size: clamp(4px, 0.72vw, 8px);
  line-height: 1;
}

.atariKeyboard .key .mainlbl {
  font-size: clamp(4px, 1.3vw, 14px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
}

.atariKeyboard .key .sublbl {
  font-size: clamp(2px, 0.78vw, 8px);
  color: var(--legend);
  opacity: 0.92;
  line-height: 1.05;
}

/* CONTROL key: whiteback badge at top-left (matches reference a:4 slot-0 position) */
.atariKeyboard .key .leg-tl {
  position: absolute;
  top: 6px;
  left: 7px;
  z-index: 2;
  pointer-events: none;
}

/* TAB key: CLR badge top-left, SET top-right, TAB spanning full width at bottom */
.atariKeyboard .tabkey .leg {
  grid-template-rows: 1fr 1fr;
  grid-template-columns: auto 1fr;
  justify-items: center;
  row-gap: clamp(1px, 0.5vw, 5px);
}

.atariKeyboard .tabkey .leg .top {
  grid-column: 1;
  grid-row: 1;
  align-self: center;
  padding-right: 2px;
}

.atariKeyboard .tabkey .leg .mainlbl {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
}

.atariKeyboard .tabkey .leg .sublbl {
  grid-column: 1 / 3;
  grid-row: 2;
  align-self: center;
}

/* Arrow keys: badge top-left, main top-right, sub bottom-right */
.atariKeyboard .arrowkey .leg {
  grid-template-rows: 1fr 1fr;
  grid-template-columns: auto 1fr;
  justify-items: center;
  row-gap: clamp(1px, 0.5vw, 5px);
}

.atariKeyboard .arrowkey .leg .top {
  grid-column: 1;
  grid-row: 1;
  align-self: center;
  padding-right: 2px;
}

.atariKeyboard .arrowkey .leg .mainlbl {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
}

.atariKeyboard .arrowkey .leg .sublbl {
  grid-column: 1 / 3;
  grid-row: 2;
  align-self: center;
}

.atariKeyboard .key.small .mainlbl {
  font-size: clamp(3px, 1.1vw, 13px);
}

.atariKeyboard .key.wide .mainlbl {
  letter-spacing: 0.05em;
}

.atariKeyboard .key.wide {
  font-size: var(--key-font-wide);
  letter-spacing: 0.03em;
}

/* Desktop-only sizing (above mobile breakpoint).
   Mobile retains its own sizes from the @media (max-width: 780px) block. */
@media (min-width: 781px) {
  /* Plain letter keys (A-Z etc.) — match KLE's f:9 proportional size (~37% of
     key width). Keys with .leg children (.top/.mainlbl) have their own explicit
     font-size rules that override this inheritance, so number keys are unaffected. */
  .atariKeyboard .key:not(.small):not(.wide) {
    font-size: clamp(7px, 1.7vw, 20px);
  }

  /* Word-label small keys (ESC, BREAK, etc.) — at narrow desktop widths the
     spacers are active and keys shrink to ~32px; reduce font and inline padding
     so 5-letter words like BREAK still fit without clipping. Wide small keys
     (CONTROL, CAPS, RETURN, SHIFT) are wide enough and excluded. */
  .atariKeyboard .key.small:not(.wide) {
    font-size: clamp(5px, 0.9vw, 13px);
    padding-inline: clamp(1px, 0.4vw, 6px);
  }
}

.atariKeyboard .key:not(.active):hover {
  filter: brightness(1.18);
}

.atariKeyboard .key.pressed,
.atariKeyboard .key:active,
.atariKeyboard .key.active {
  transform: translateY(3px);
  border-bottom-width: 1px;
  filter: brightness(0.82) drop-shadow(0 0 6px rgba(255, 170, 80, 0.45));
}

.atariKeyboard .case-side {
  grid-column: 2;
  grid-row: 2;
  width: var(--side-band-w);
  /* Gist places the silver function strip one key-unit to the right of the main
     block (BREAK ends at x:16.25, the silver keys start at x:17.25). The main
     block's right padding already supplies part of that gap, so make up the rest
     here so the total clears exactly one main key unit (--side-key-w). */
  margin-left: max(
    0px,
    calc(var(--side-key-w) - var(--shell-pad-x) - var(--deck-pad-x))
  );
  background: transparent;
  border: 0;
  padding: 0;
  position: relative;
  z-index: 0;
}


.atariKeyboard .case-side::before,
.atariKeyboard .case-side::after {
  display: none;
}

.atariKeyboard .side-keys {
  display: flex;
  flex-direction: column;
  gap: var(--side-key-gap);
  width: 100%;
  /* Align first side-key with the first main key row.
     The main block is offset by deck-pad-top inside .deck; match it here. */
  padding-top: var(--deck-pad-top);
}

.atariKeyboard .side-key {
  height: var(--side-key-h);
  width: 100%;
  box-sizing: border-box;
  border-radius: clamp(3px, 0.6vw, 7px);
  border: 1px solid #999999;
  background: var(--metal);
  box-shadow: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  user-select: none;
  outline: none;
  padding: 0;
  transition: filter .06s, transform .06s, border-bottom-width .06s;
  z-index: 0;
}

.atariKeyboard .side-key::before,
.atariKeyboard .side-key::after {
  display: none;
}

.atariKeyboard .side-key:not(.active):hover {
  filter: brightness(1.18);
}

.atariKeyboard .side-key.pressed,
.atariKeyboard .side-key:active,
.atariKeyboard .side-key.active {
  transform: translateY(2px);
  filter: brightness(0.88) drop-shadow(0 0 5px rgba(200, 200, 180, 0.35));
}

.atariKeyboard .case-strip {
  grid-column: 3;
  grid-row: 2;
  padding: var(--deck-pad-top) var(--side-pad-x) var(--shell-pad-bottom) 0;
  display: flex;
  align-items: flex-start;
}

.atariKeyboard .strip {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-left: 0;
  width: var(--side-key-w);
}

.atariKeyboard .strip-label {
  height: var(--side-key-h);
  margin-bottom: var(--side-key-gap);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font: 700 clamp(3px, 0.86vw, 10px) / 1 var(--legend-font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  user-select: none;
  white-space: nowrap;
  text-align: center;
}

.atariKeyboard .strip-label:last-child {
  margin-bottom: 0;
}


.atariKeyboard .kbKey:focus-visible {
  box-shadow:
    inset 0 0 0 2px rgba(255, 255, 255, 0.26),
    0 2px 0 rgba(0, 0, 0, 0.58),
    0 4px 8px rgba(0, 0, 0, 0.24);
}

.atariKeyboard .side-key.kbKey:focus-visible {
  box-shadow:
    inset 0 0 0 2px rgba(255, 255, 255, 0.25),
    0 2px 0 rgba(0, 0, 0, 0.26),
    0 4px 8px rgba(0, 0, 0, 0.18);
}

@media (max-width: 780px) {
  .atariKeyboard {
    width: 100%;
    /* mobile-tuned variables — scale proportionally with viewport */
    --key-h: clamp(28px, 7vw, 44px);
    --gap: clamp(1.5px, 0.5vw, 4px);
    --radius: clamp(8px, 2.4vw, 16px);
    --shell-pad-x: clamp(4px, 1.6vw, 12px);
    --shell-pad-top: clamp(10px, 3.2vw, 28px);
    --shell-pad-bottom: clamp(4px, 1.6vw, 12px);
    --deck-pad-x: clamp(0px, 0.3vw, 3px);
    --deck-pad-top: clamp(0px, 0.3vw, 3px);
    --deck-pad-bottom: clamp(0px, 0.3vw, 3px);
    --side-pad-x: clamp(3px, 1vw, 8px);
    --key-font: clamp(7px, 2.6vw, 12px);
    --key-font-wide: clamp(5.5px, 2vw, 10px);
  }
  .atariKeyboard .atari {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
    /* On mobile the board is much taller, so the gradient's %-based cream stop
       bleeds behind the first key rows. The chassis-label already paints its own
       cream background + stripe border, so use solid dark here instead. */
    background: var(--bed);
    box-shadow:
      0 clamp(3px, 1vw, 8px) 0 #060603,
      0 clamp(6px, 2vw, 16px) clamp(16px, 5vw, 50px) rgba(0, 0, 0, 0.9),
      inset 0 1px 0 rgba(255, 255, 255, 0.10);
  }
  /* collapse decorative spacers — reclaims ~1 key-unit of width per row */
  .atariKeyboard .row > .spacer {
    flex: 0 0 0;
    min-width: 0;
  }
  .atariKeyboard .chassis-label {
    grid-column: 1;
    height: clamp(14px, 5vw, 28px);
  }
  .atariKeyboard .chassis-label .kbname {
    font-size: clamp(6px, 1.8vw, 10px);
    letter-spacing: 0.22em;
  }
  .atariKeyboard .chassis-label .kbauthor {
    font-size: clamp(6px, 1.5vw, 9px);
    letter-spacing: 0.07em;
  }
  .atariKeyboard .key {
    font-size: clamp(7px, 2.6vw, 12px);
    padding: clamp(2px, 0.5vw, 4px) clamp(1px, 0.5vw, 5px);
    border-bottom-width: clamp(2px, 0.6vw, 4px);
    border-radius: clamp(2px, 0.5vw, 5px);
  }
  .atariKeyboard .key::before {
    inset: clamp(1px, 0.4vw, 3px) clamp(2px, 0.5vw, 5px) clamp(3px, 0.8vw, 7px) clamp(2px, 0.5vw, 5px);
    border-radius: clamp(1px, 0.4vw, 3px);
  }
  .atariKeyboard .key::after {
    inset: clamp(1px, 0.4vw, 3px) clamp(2px, 0.5vw, 5px) clamp(3px, 0.8vw, 7px) clamp(2px, 0.5vw, 5px);
    border-radius: clamp(1px, 0.4vw, 3px);
  }
  /* contain text overflow inside each key */
  .atariKeyboard .key .leg {
    padding: 0;
    gap: 0;
    overflow: hidden;
  }
  /* Clip cleanly (no ellipsis "…") if a label is ever marginally too wide;
     the per-label font sizes below are tuned so labels actually fit down to
     ~320px, so this is just a safety net. */
  .atariKeyboard .key .top,
  .atariKeyboard .key .mainlbl,
  .atariKeyboard .key .sublbl {
    overflow: hidden;
    max-width: 100%;
  }
  /* primary label: numbers and single symbols — keep prominent */
  .atariKeyboard .key .mainlbl {
    font-size: clamp(8px, 2.8vw, 16px);
  }
  /* shifted chars on number keys (!, @, #) — readable single chars */
  .atariKeyboard .key .top {
    font-size: clamp(5.5px, 2vw, 10px);
  }
  /* word labels on .small keys (CLEAR, INSERT, DELETE) — must fit a 1u key */
  .atariKeyboard .key.small .top {
    font-size: clamp(3px, 1vw, 7px);
  }
  .atariKeyboard .key .sublbl {
    font-size: clamp(3px, 1.1vw, 8px);
  }
  /* .small keys: mostly single symbols (<, >, _, |) plus the word "BACK"/"SET",
     so size to fit the widest of those in a 1u key */
  .atariKeyboard .key.small .mainlbl {
    font-size: clamp(4.5px, 1.5vw, 11px);
  }
  /* small keys with direct text (ESC, BREAK) — size to fit "BREAK" in 1u */
  .atariKeyboard .key.small {
    font-size: clamp(4px, 1.2vw, 11px);
    letter-spacing: 0;
  }
  /* wide label keys (RETURN, SHIFT, CAPS) — size to fit "RETURN" in 1.5u */
  .atariKeyboard .key.wide {
    font-size: clamp(4px, 1.5vw, 10px);
    letter-spacing: 0;
    overflow: hidden;
  }
  .atariKeyboard .key .leg-tl {
    top: clamp(2px, 0.5vw, 6px);
    left: clamp(2px, 0.6vw, 7px);
  }
  .atariKeyboard .whiteback {
    font-size: clamp(4px, 1.2vw, 8px);
    padding: 0.5px 2px;
  }
  .atariKeyboard .whiteback.arrowbadge {
    min-width: 0.95em;
    padding: 0.04em 0.1em;
    border-radius: 1px;
  }
  .atariKeyboard .whiteback.arrowbadge .fa-solid {
    font-size: clamp(3.5px, 1.1vw, 7px);
  }
  .atariKeyboard .key.pressed,
  .atariKeyboard .key:active,
  .atariKeyboard .key.active {
    transform: translateY(clamp(1px, 0.4vw, 3px));
  }
  .atariKeyboard .case-side {
    grid-column: 1;
    grid-row: 3;
    width: auto;
    /* The 1-unit gap only applies to the side-by-side desktop layout; here the
       strip wraps to its own full-width row below the keyboard. */
    margin-left: 0;
    padding: clamp(4px, 1.4vw, 12px) var(--side-pad-x) clamp(4px, 1.4vw, 12px);
    border-left: 0;
    border-bottom: 1px solid #888888;
    border-top: 1px solid rgba(0, 0, 0, 0.25);
    border-radius: 0;
  }
  .atariKeyboard .case-side::before {
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    border-left: 0;
    border-bottom: 1px solid #888888;
    border-top: 1px solid rgba(0, 0, 0, 0.25);
    border-right: 1px solid #888888;
    border-radius: 0;
  }
  .atariKeyboard .case-side::after {
    top: 2px;
    right: 3px;
    bottom: clamp(2px, 0.6vw, 5px);
    left: 3px;
    border-radius: 2px;
  }
  .atariKeyboard .case-keyboard {
    grid-row: 2;
    border-radius: 0;
  }
  .atariKeyboard .side-keys {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--gap);
    padding-top: 0;
    padding-right: 0;
    padding-bottom: 4px;
  }
  .atariKeyboard .side-key {
    width: 100%;
    min-width: 0;
    flex: initial;
    height: var(--key-h);
    border-bottom-width: clamp(1px, 0.4vw, 3px);
    border-radius: clamp(2px, 0.5vw, 4px);
  }
  .atariKeyboard .side-key::before {
    inset: clamp(1px, 0.3vw, 2px) clamp(1px, 0.4vw, 3px) clamp(2px, 0.6vw, 5px) clamp(1px, 0.4vw, 3px);
    border-radius: 2px;
  }
  .atariKeyboard .side-key::after {
    inset: clamp(1px, 0.3vw, 2px) clamp(1px, 0.4vw, 3px) clamp(2px, 0.6vw, 5px) clamp(1px, 0.4vw, 3px);
    border-radius: 2px;
  }
  .atariKeyboard .side-key.pressed,
  .atariKeyboard .side-key:active,
  .atariKeyboard .side-key.active {
    transform: translateY(clamp(1px, 0.4vw, 3px));
  }
  .atariKeyboard .case-strip {
    grid-column: 1;
    grid-row: 4;
    padding: 0 var(--side-pad-x) clamp(4px, 1.4vw, 12px);
    border-radius: 0 0 var(--radius) var(--radius);
  }
  .atariKeyboard .strip {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--gap);
    padding-left: 0;
    padding-top: 0;
    align-items: center;
    width: 100%;
  }
  .atariKeyboard .strip-label {
    height: clamp(10px, 3.2vw, 16px);
    margin-bottom: 0;
    font-size: clamp(6px, 1.9vw, 10px);
    letter-spacing: 0.03em;
    line-height: 1.1;
    min-width: 0;
    width: 100%;
    flex: initial;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 2px;
    text-align: center;
  }
}


canvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 336 / 240;
  flex: 0 0 auto;
  image-rendering: pixelated;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #000;
  outline: none;
  will-change: transform;
}

canvas.crtEnabled {
  image-rendering: auto;
  border-radius: 0;
  border: 0;
  background: transparent;
}

.hint {
  font-size: var(--fs-sm);
  color: var(--muted);
  text-align: center;
  width: 100%;
}

.fileBtn {
  position: relative;
  cursor: pointer;
  display: inline-flex;
}

.fileBtn input[type="file"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.fileBtn span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 10px;
  border-radius: 6px;
  font-size: var(--fs-sm);
  transition: border-color 0.15s;
  white-space: nowrap;
}

.fileBtn:hover span {
  border-color: rgba(255, 255, 255, 0.18);
}

.fileBtn .status-icon {
  font-size: 13px;
}

.fileBtnPrimary span {
  min-height: 44px;
  padding: 0 14px;
  font-size: var(--fs-base);
  font-weight: 600;
}

.fileBtnPrimary span > .fa-floppy-disk {
  color: var(--accent);
  font-size: 16px;
}

.fileBtn .status-icon.fa-circle-check {
  color: var(--state-ok);
}

.fileBtn .status-icon.fa-circle-xmark {
  color: var(--state-err);
  opacity: 0.55;
}


@media (max-width: 980px) {
  .controls {
    width: 100%;
    min-width: 0;
  }

  .primaryControls {
    flex: 1 1 auto;
  }

  .controlsSecondary {
    justify-content: flex-start;
  }

  body {
    overflow: auto;
  }
  .layout {
    flex: none;
    overflow-y: auto;
  }
  .keyboardPanel {
    width: 100%;
    padding: 8px 8px 18px;
    align-self: stretch;
  }
  .joystickPanel {
    width: 100%;
    padding: 8px;
    align-self: stretch;
  }
  .cx40 {
    width: min(352px, calc(100vw - 64px));
    height: min(352px, calc(100vw - 64px));
  }
  .joystickPanelInner {
    overflow-x: auto;
    overflow-y: hidden;
    justify-content: flex-start;
  }
  .atariKeyboard {
    width: 100%;
    margin-inline: 0;
  }
}

@media (max-width: 600px) {
  .fileBtnPrimary {
    flex: 1 1 100%;
  }

  .fileBtnPrimary span {
    width: 100%;
    justify-content: center;
  }
}

/* ---- H: Device File Manager (Atari 800 XL themed) ---- */
.hostfsPanel {
  width: min(100%, 1083px);
  min-height: clamp(220px, 36vh, 420px);
  border: 1px solid var(--sub-panel-border);
  border-radius: 6px;
  background: var(--sub-panel-bg);
  margin-top: 8px;
  font-size: var(--fs-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  align-self: center;
}
.hostfsPanel[hidden] {
  display: none;
}
/* Title bar */
.hostfs-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--sub-panel-header-bg);
  border-bottom: 1px solid var(--sub-panel-border);
  flex-shrink: 0;
}
.hostfs-title-icon {
  color: var(--accent);
  font-size: var(--fs-base);
}
.hostfs-title-text {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text);
}
.hostfs-flex {
  flex: 1;
}
/* Toolbar */
.hostfs-toolbar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 8px;
  background: var(--sub-panel-toolbar-bg);
  border-bottom: 1px solid var(--sub-panel-inner-border);
  flex-wrap: wrap;
  flex-shrink: 0;
}
.hostfs-btn {
  background: transparent;
  border: 1px solid var(--sub-panel-inner-border);
  color: var(--sub-panel-btn-idle);
  border-radius: var(--sub-panel-btn-radius);
  padding: 3px 8px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  white-space: nowrap;
  line-height: 1.5;
}
.hostfs-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(92, 200, 255, 0.06);
}
.hostfs-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.hostfs-btn.active {
  border-color: var(--accent);
  color: var(--accent);
}
.hostfs-btn-danger:hover:not(:disabled) {
  border-color: var(--danger);
  color: var(--danger);
  background: rgba(200, 64, 48, 0.08);
}
.hostfs-toolbar-sep {
  width: 1px;
  height: 16px;
  background: var(--sub-panel-inner-border);
  margin: 0 3px;
  flex-shrink: 0;
}
.hostfs-label {
  color: var(--sub-panel-label);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
/* Sortable column headers */
.hostfs-sort-col {
  cursor: pointer;
  user-select: none;
  transition: color 0.12s;
  gap: 4px;
}
.hostfs-sort-col:hover {
  color: var(--accent);
}
.hostfs-sort-col.active {
  color: var(--accent);
}
/* Drop zone / file list area */
.hostfs-drop-zone {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  position: relative;
  transition: background 0.15s;
}
.hostfs-drop-zone.drag-over {
  background: rgba(92, 200, 255, 0.04);
  outline: 2px dashed var(--accent);
  outline-offset: -3px;
}
/* Column headers */
.hostfs-cols-header {
  display: flex;
  align-items: center;
  padding: 3px 6px;
  background: var(--sub-panel-statusbar-bg);
  border-bottom: 1px solid var(--sub-panel-inner-border);
  color: var(--sub-panel-dim);
  font-size: var(--fs-xs);
  flex-shrink: 0;
}
/* File list */
.hostfs-list {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 96px;
}
.hostfs-list::-webkit-scrollbar {
  width: 5px;
}
.hostfs-list::-webkit-scrollbar-track {
  background: transparent;
}
.hostfs-list::-webkit-scrollbar-thumb {
  background: var(--sub-panel-inner-border);
  border-radius: 3px;
}
.hostfs-list::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.18);
}
/* Drop hint */
.hostfs-drop-hint {
  text-align: center;
  color: var(--sub-panel-dim);
  font-size: var(--fs-xs);
  padding: 4px 0 5px;
  pointer-events: none;
  transition: color 0.15s;
}
.hostfs-drop-zone.drag-over .hostfs-drop-hint {
  color: var(--accent);
}
/* Empty state */
.hostfs-empty {
  text-align: center;
  color: var(--sub-panel-dim);
  padding: 28px 0 20px;
  line-height: 2;
}
/* Column layout (shared for header + rows) */
.hostfs-col {
  display: flex;
  align-items: center;
}
.hostfs-col-chk {
  width: 24px;
  flex-shrink: 0;
  justify-content: center;
}
.hostfs-col-icon {
  width: 28px;
  flex-shrink: 0;
  justify-content: center;
}
.hostfs-col-name {
  flex: 1;
  min-width: 0;
  font-family: monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hostfs-col-size {
  width: 58px;
  flex-shrink: 0;
  justify-content: flex-end;
  color: var(--sub-panel-dim);
  font-size: var(--fs-xs);
}
.hostfs-col-actions {
  width: 52px;
  flex-shrink: 0;
  justify-content: flex-end;
  gap: 2px;
}
/* File rows */
.hostfs-row {
  display: flex;
  align-items: center;
  padding: 3px 6px;
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: background 0.1s;
}
.hostfs-row:hover {
  background: rgba(92, 200, 255, 0.04);
}
.hostfs-row:nth-child(even) {
  background: rgba(255, 255, 255, 0.013);
}
.hostfs-row.selected {
  background: rgba(92, 200, 255, 0.08);
  border-left-color: var(--accent);
}
.hostfs-row.selected:hover,
.hostfs-row.selected:nth-child(even) {
  background: rgba(92, 200, 255, 0.13);
}
/* File name parts */
.hostfs-fname-base {
  color: var(--text);
}
.hostfs-fname-ext {
  color: var(--sub-panel-dim);
}
.hostfs-lock-icon {
  font-size: var(--fs-xs);
  color: var(--muted);
  margin-left: 5px;
}
/* Checkboxes */
.hostfs-master-chk,
.hostfs-row-chk {
  accent-color: var(--accent);
  cursor: pointer;
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}
/* Row action buttons */
.hostfs-action-btn {
  background: none;
  border: none;
  color: var(--sub-panel-dim);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--sub-panel-btn-radius);
  transition: color 0.1s, background 0.1s;
  line-height: 1;
}
.hostfs-action-btn:hover:not(:disabled) {
  color: var(--accent);
  background: rgba(92, 200, 255, 0.1);
}
.hostfs-action-del:hover:not(:disabled) {
  color: var(--danger);
  background: rgba(200, 64, 48, 0.1);
}
.hostfs-action-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}
/* Status bar */
.hostfs-statusbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  background: var(--sub-panel-statusbar-bg);
  border-top: 1px solid var(--sub-panel-inner-border);
  color: var(--sub-panel-dim);
  font-size: var(--fs-xs);
  flex-shrink: 0;
}
.hostfs-stat-sel {
  color: var(--accent);
  font-weight: 600;
}
.hostfs-stat-total {
  color: var(--sub-panel-dim);
}

/* ---- Assembler Editor Panel ---- */
.assemblerPanel {
  width: min(100%, 1083px);
  /* dvh tracks the *visible* viewport as mobile browser chrome shows/hides;
     the vh values are the fallback for browsers without dvh support. */
  height: calc(100vh - 70px);
  height: calc(100dvh - 70px);
  min-height: 340px;
  max-height: calc(100vh - 70px);
  max-height: calc(100dvh - 70px);
  flex-shrink: 0;
  border: 1px solid var(--sub-panel-border);
  border-radius: 6px;
  background: var(--sub-panel-bg);
  margin-top: 8px;
  font-size: var(--fs-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  align-self: center;
}

.assemblerPanel[hidden] {
  display: none;
}

.asm-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--sub-panel-header-bg);
  border-bottom: 1px solid var(--sub-panel-border);
  flex-shrink: 0;
}

.asm-title-icon {
  color: var(--accent);
  font-size: var(--fs-base);
}

.asm-title-text {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text);
}

.asm-title-path {
  color: var(--sub-panel-dim);
  font-family: monospace;
  font-size: var(--fs-xs);
}

.asm-toolbar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 8px;
  background: var(--sub-panel-toolbar-bg);
  border-bottom: 1px solid var(--sub-panel-inner-border);
  flex-wrap: wrap;
  flex-shrink: 0;
}

.asm-label {
  color: var(--sub-panel-label);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.asm-input,
.asm-select {
  background: #061323;
  border: 1px solid var(--sub-panel-inner-border);
  border-radius: var(--sub-panel-btn-radius);
  color: var(--text);
  font-size: var(--fs-sm);
  line-height: 1.4;
  padding: 4px 7px;
  min-height: 28px;
}

.asm-input:focus,
.asm-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(92, 200, 255, 0.2);
}

.asm-source-name {
  width: 150px;
}

.asm-source-select {
  min-width: 180px;
  max-width: 280px;
}

.asm-btn {
  background: transparent;
  border: 1px solid var(--sub-panel-inner-border);
  color: var(--sub-panel-btn-idle);
  border-radius: var(--sub-panel-btn-radius);
  padding: 3px 8px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  white-space: nowrap;
  line-height: 1.5;
}

.asm-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(92, 200, 255, 0.06);
}

/* Run/Continue use the standard .asm-btn style — the play icon is sufficient visual cue */
/* Step/StepOver use the standard .asm-btn style */

.asm-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.asm-toolbar-sep {
  width: 1px;
  height: 16px;
  background: var(--sub-panel-inner-border);
  margin: 0 3px;
  flex-shrink: 0;
}

.asm-editor-wrap {
  --asm-gutter-width: clamp(160px, 28vw, 260px);
  flex: 1 1 auto;
  min-height: 0;
  display: block;
  position: relative;
  overflow: hidden;
  background: #0a1220;
}

.asm-breakpoints {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--asm-gutter-width);
  margin: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.07);
  background: #08111e;
  overflow: hidden;
  padding: 10px 0;
}

.asm-highlight {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: var(--asm-gutter-width);
  margin: 0;
  border: 0;
  overflow: auto;
  pointer-events: none;
  white-space: pre;
  color: #86a3bf;
  font: 13px/1.5 "Consolas", "Courier New", monospace;
  tab-size: 2;
  padding: 10px 12px;
}

/* Hide scrollbars on the highlight layer (scroll is synced by JS) */
.asm-highlight::-webkit-scrollbar {
  width: 0;
  height: 0;
}
.asm-highlight {
  scrollbar-width: none; /* Firefox */
}

.asm-editor {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: var(--asm-gutter-width);
  resize: none;
  border: 0;
  outline: none;
  background: transparent;
  color: transparent;
  caret-color: #d2e7ff;
  font: 13px/1.5 "Consolas", "Courier New", monospace;
  tab-size: 2;
  padding: 10px 12px;
  overflow: auto;
}

.asm-editor::selection {
  background: rgba(110, 190, 255, 0.28);
}

.asm-bp-row {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0;
  border: 0;
  border-radius: 0;
  margin: 0;
  padding: 0;
  background: transparent;
  color: var(--sub-panel-dim);
  font: var(--fs-xs)/1 "Consolas", "Courier New", monospace;
  justify-content: flex-start;
  cursor: pointer;
}

/* column cell padding */
.asm-bp-num,
.asm-bp-addr,
.asm-bp-bytes {
  padding: 0 5px;
}

/* column dividers (left-border on every non-dot column) */
.asm-bp-num,
.asm-bp-addr,
.asm-bp-bytes {
  border-left: 1px solid rgba(255, 255, 255, 0.07);
}

.asm-bp-row:hover {
  background: rgba(92, 200, 255, 0.1);
}

.asm-bp-row.no-addr {
  opacity: 0.35;
  cursor: default;
}

.asm-bp-row.no-addr:hover {
  background: transparent;
}

.asm-bp-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid transparent;
  background: transparent;
  flex: 0 0 auto;
  margin: 0 5px;
  transition: border-color 0.1s, background 0.1s;
}

/* Enabled: line has an address — the dot becomes a visible "empty slot" */
.asm-bp-row.has-addr .asm-bp-dot {
  border-color: var(--sub-panel-dim);
}

/* Hover on an enabled row: accent tint signals "click to set breakpoint" */
.asm-bp-row.has-addr:hover .asm-bp-dot {
  border-color: var(--accent);
  background: rgba(92, 200, 255, 0.15);
}

/* Active: breakpoint is set — filled red circle */
.asm-bp-row.active .asm-bp-dot {
  border-color: var(--state-err);
  background: var(--state-err);
  box-shadow: 0 0 5px rgba(248, 113, 113, 0.5);
}

.asm-bp-num {
  min-width: 18px;
  text-align: right;
  flex: 0 0 auto;
  color: var(--sub-panel-dim);
  font-size: 10px;
  opacity: 0.55;
}

.asm-bp-addr {
  min-width: 36px;
  text-align: right;
  flex: 0 0 auto;
  color: var(--sub-panel-dim);
  font-size: var(--fs-xs);
  opacity: 0.7;
  letter-spacing: 0.02em;
}

.asm-bp-bytes {
  min-width: 0;
  flex: 1 1 auto;
  text-align: left;
  color: var(--sub-panel-dim);
  font-size: var(--fs-xs);
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.asm-bp-row.has-addr .asm-bp-num {
  color: var(--muted);
}

.asm-bp-row.has-addr .asm-bp-addr {
  color: var(--muted);
  opacity: 1;
}

.asm-bp-row.has-bytes .asm-bp-bytes {
  color: var(--muted);
}

.asm-breakpoints.has-build .asm-bp-row.has-addr .asm-bp-num {
  color: var(--accent);
}

.asm-breakpoints.has-build .asm-bp-row.has-addr .asm-bp-addr {
  color: var(--text);
}

.asm-bp-row.active .asm-bp-num {
  color: var(--state-err);
}

.asm-bp-row.active .asm-bp-addr {
  color: var(--state-err);
}

.asm-bp-row.active .asm-bp-bytes {
  color: var(--state-err);
}

.asm-bp-row.current {
  background: rgba(92, 200, 255, 0.12);
}

.asm-bp-row.current .asm-bp-num {
  color: var(--accent);
}

.asm-bp-row.current .asm-bp-addr {
  color: var(--accent);
}

.asm-bp-row.current .asm-bp-bytes {
  color: var(--accent);
}

.asm-breakpoints.unsupported .asm-bp-row {
  cursor: not-allowed;
}

/* Consistent scrollbar styling for assembler editor + error list */
.asm-editor::-webkit-scrollbar,
.asm-errors::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
.asm-editor::-webkit-scrollbar-track,
.asm-errors::-webkit-scrollbar-track {
  background: transparent;
}
.asm-editor::-webkit-scrollbar-thumb,
.asm-errors::-webkit-scrollbar-thumb {
  background: var(--sub-panel-inner-border);
  border-radius: 3px;
}
.asm-editor::-webkit-scrollbar-thumb:hover,
.asm-errors::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.18);
}

.asm-tok-comment {
  color: #5f7f99;
}

.asm-tok-label {
  color: #f0c26f;
}

.asm-tok-directive {
  color: #74c8ff;
}

.asm-tok-mnemonic {
  color: #89df8e;
}

.asm-tok-number {
  color: #ffb37d;
}

.asm-tok-string {
  color: #ffd37d;
}

.asm-tok-register {
  color: #7ddfc6;
}

.asm-errors {
  border-top: 1px solid var(--sub-panel-inner-border);
  background: #0c1522;
  max-height: 128px;
  overflow: auto;
}

.asm-error-list {
  list-style: none;
  margin: 0;
  padding: 4px 8px 6px;
}

.asm-error-item + .asm-error-item {
  margin-top: 3px;
}

.asm-error-btn {
  width: 100%;
  border: 1px solid rgba(248, 113, 113, 0.25);
  background: rgba(248, 113, 113, 0.06);
  color: var(--state-err);
  text-align: left;
  padding: 4px 6px;
  border-radius: var(--sub-panel-btn-radius);
  font: var(--fs-sm)/1.4 "Consolas", "Courier New", monospace;
  cursor: pointer;
}

.asm-error-btn:hover {
  border-color: rgba(248, 113, 113, 0.5);
  background: rgba(248, 113, 113, 0.1);
}

.asm-statusbar {
  display: flex;
  align-items: center;
  padding: 4px 10px;
  background: var(--sub-panel-statusbar-bg);
  border-top: 1px solid var(--sub-panel-inner-border);
  color: var(--sub-panel-dim);
  font-size: var(--fs-xs);
  flex-shrink: 0;
}

.asm-resize-handle {
  height: 7px;
  cursor: ns-resize;
  background: var(--sub-panel-statusbar-bg);
  border-top: 1px solid var(--sub-panel-inner-border);
  flex-shrink: 0;
  position: relative;
  user-select: none;
}
.asm-resize-handle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 3px;
  border-radius: 2px;
  background: var(--sub-panel-inner-border);
  transition: background 0.15s;
}
.asm-resize-handle:hover::after,
.asm-resize-handle:active::after {
  background: var(--sub-panel-btn-idle);
}

.asm-status.error {
  color: var(--state-err);
}

.asm-status.success {
  color: var(--state-ok);
}

@media (max-width: 980px) {
  .assemblerPanel {
    width: 100%;
    align-self: stretch;
  }

  .asm-source-name {
    width: min(44vw, 220px);
  }

  .asm-source-select {
    min-width: min(52vw, 240px);
    max-width: min(70vw, 300px);
  }
}

/* On phones the 160px clamp floor of the breakpoint gutter eats ~half the
   editor width (28vw only overtakes 160px above ~570px wide). Shrink the floor
   so the code column stays usable; the gutter still fits line #, address and a
   trimmed byte column. */
@media (max-width: 600px) {
  .asm-editor-wrap {
    --asm-gutter-width: clamp(100px, 30vw, 160px);
  }
}

/* ---- Snapshot Panel ---- */
.snapshotPanel {
  width: min(100%, 1083px);
  min-height: clamp(260px, 34vh, 360px);
  max-height: 90vh;
  max-height: 90dvh;
  border: 1px solid var(--sub-panel-border);
  border-radius: 6px;
  background: var(--sub-panel-bg);
  margin-top: 8px;
  font-size: var(--fs-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  align-self: center;
}

.snapshotPanel[hidden] {
  display: none;
}

.snapshot-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--sub-panel-header-bg);
  border-bottom: 1px solid var(--sub-panel-border);
  flex-shrink: 0;
}

.snapshot-title-icon {
  color: var(--accent);
  font-size: var(--fs-base);
}

.snapshot-title-text {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text);
}

.snapshot-title-meta {
  color: var(--sub-panel-dim);
  font-family: monospace;
  font-size: var(--fs-xs);
}

.snapshot-toolbar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 8px;
  background: var(--sub-panel-toolbar-bg);
  border-bottom: 1px solid var(--sub-panel-inner-border);
  flex-wrap: wrap;
  flex-shrink: 0;
}

.snapshot-label {
  color: var(--sub-panel-label);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.snapshot-btn {
  background: transparent;
  border: 1px solid var(--sub-panel-inner-border);
  color: var(--sub-panel-btn-idle);
  border-radius: var(--sub-panel-btn-radius);
  padding: 3px 8px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  white-space: nowrap;
  line-height: 1.5;
}

.snapshot-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(92, 200, 255, 0.06);
}

.snapshot-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.snapshot-toolbar-sep {
  width: 1px;
  height: 16px;
  background: var(--sub-panel-inner-border);
  margin: 0 3px;
  flex-shrink: 0;
}

.snapshot-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 10px;
  background: #0f1725;
  flex: 1 1 auto;
  min-height: 0;
  align-content: start;
}

.snapshot-card {
  border: 1px solid var(--sub-panel-inner-border);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.02);
  padding: 10px 12px;
  min-height: 72px;
}

.snapshot-card-label {
  color: var(--sub-panel-label);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.snapshot-card-value {
  margin-top: 6px;
  color: var(--text);
  font-weight: 600;
}

.snapshot-card-meta {
  margin-top: 4px;
  color: var(--sub-panel-dim);
  font-size: var(--fs-xs);
  line-height: 1.5;
}

.snapshot-slot-state.is-empty {
  color: var(--muted);
}

.snapshot-slot-state.is-ready {
  color: var(--state-ok);
}

.snapshot-statusbar {
  display: flex;
  align-items: center;
  padding: 4px 10px;
  background: var(--sub-panel-statusbar-bg);
  border-top: 1px solid var(--sub-panel-inner-border);
  color: var(--sub-panel-dim);
  font-size: var(--fs-xs);
  flex-shrink: 0;
}

.snapshot-status.error {
  color: var(--state-err);
}

.snapshot-status.success {
  color: var(--state-ok);
}

@media (max-width: 980px) {
  .snapshotPanel {
    width: 100%;
    align-self: stretch;
  }

  .snapshot-body {
    grid-template-columns: 1fr;
  }
}