/* ═══════════════════════════════════════════════════════════════════════════
   Amy Studio — Design 3: ColecoVision / TMS9918A palette
   Palette: exact colors from the TMS9918A VDP chip (1982)
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  /* TMS9918A 15 colors (palette of the ColecoVision GPU) */
  --tms-green:    #3EB849;
  --tms-green-lt: #74D07D;
  --tms-blue-dk:  #5955E0;
  --tms-blue:     #8076F1;
  --tms-red-dk:   #B95E51;
  --tms-cyan:     #65DBEF;
  --tms-red:      #DB6559;
  --tms-red-lt:   #FF897D;
  --tms-yellow:   #DED087;
  --tms-yellow-dk:#CCC35E;
  --tms-green-dk: #3AA241;
  --tms-magenta:  #B766B5;
  --tms-gray:     #CCCCCC;
  --tms-white:    #FFFFFF;
  --tms-black:    #000000;

  /* UI semantic mapping */
  --bg:        #000000;
  --surface:   #080812;
  --surface2:  #0C0C1A;
  --text:      #E8E8E8;
  --text-dim:  #AAAAAA;
  --muted:     #707070;
  --border:    #1C1C30;
  --border2:   #282840;

  --accent:    var(--tms-cyan);     /* #65DBEF — main highlight */
  --accent2:   var(--tms-green);    /* #3EB849 — success / ok */
  --accent3:   var(--tms-blue);     /* #8076F1 — ASM panel */
  --warn:      var(--tms-yellow);   /* #DED087 */
  --error:     var(--tms-red-lt);   /* #FF897D */

  /* Glow effects — TMS phosphor feel */
  --glow-cyan:   0 0 10px rgba(101,219,239,0.35), 0 0 20px rgba(101,219,239,0.15);
  --glow-green:  0 0 10px rgba(62,184,73,0.35),   0 0 20px rgba(62,184,73,0.15);
  --glow-blue:   0 0 10px rgba(128,118,241,0.35), 0 0 20px rgba(128,118,241,0.15);

  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --topbar-h: 54px;
  --bar-h: 28px;
}

/* ── reset ───────────────────────────────────────────────────────────────── */
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }

body {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  /* JetBrains Mono ligatures: != => -> >= <= === !== ... */
  font-feature-settings: "liga" 1, "calt" 1;
  background: var(--bg);
  /* Subtle scanlines — the CRT memory */
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent 0px,
      transparent 3px,
      rgba(0,0,0,0.18) 3px,
      rgba(0,0,0,0.18) 4px
    );
}

/* ── scrollbars ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb {
  background: var(--border2);
  border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ── topbar ──────────────────────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  background: var(--surface);
  border-bottom: 2px solid var(--tms-cyan);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar__brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-right: 16px;
  border-right: 1px solid var(--border2);
}
.topbar__cartridge {
  font-size: 20px;
  color: var(--tms-cyan);
  text-shadow: var(--glow-cyan);
  line-height: 1;
}
.topbar__title {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--tms-cyan);
  text-shadow: var(--glow-cyan);
}
.topbar__sub {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ColecoVision BIOS title screen — 2 letters per TMS9918A color
   Sequence: D=magenta  8=red  9=orange  B=yellow  3=lt-green  4=dk-blue */
.cv-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.10em;
}
.cv-title span:nth-child(1),
.cv-title span:nth-child(2)  { color: #B766B5; } /* CO — D magenta  */
.cv-title span:nth-child(3),
.cv-title span:nth-child(4)  { color: #DB6559; } /* LE — 8 red      */
.cv-title span:nth-child(5),
.cv-title span:nth-child(6)  { color: #FF897D; } /* CO — 9 orange   */
.cv-title span:nth-child(7),
.cv-title span:nth-child(8)  { color: #DED087; } /* VI — B yellow   */
.cv-title span:nth-child(9),
.cv-title span:nth-child(10) { color: #74D07D; } /* SI — 3 lt-green */
.cv-title span:nth-child(11),
.cv-title span:nth-child(12) { color: #5955E0; } /* ON — 4 dk-blue  */

.topbar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-left: auto;
}
.topbar__group {
  display: flex;
  gap: 8px;
  align-items: center;
}
.topbar__group--new {
  margin-left: 6px;
  padding-right: 14px;
  border-right: 1px solid var(--border2);
}
.topbar__group--actions { gap: 10px; }

/* ── buttons ─────────────────────────────────────────────────────────────── */
button {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--surface2);
  border: 1px solid var(--border2);
  color: var(--text-dim);
  padding: 7px 13px;
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.12s, border-color 0.12s, text-shadow 0.12s, background 0.12s;
}
button:hover {
  color: var(--tms-cyan);
  border-color: var(--tms-cyan);
  background: rgba(101,219,239,0.07);
  text-shadow: var(--glow-cyan);
}
button:active { transform: translateY(1px); }
button:disabled { cursor: not-allowed; opacity: 0.30; }

.icon-button {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 4px;
  font-size: 18px;
  display: inline-grid;
  place-items: center;
}
.icon-button svg { width: 20px; height: 20px; display: block; }

.icon-button--labeled {
  width: auto;
  min-width: 110px;
  height: 40px;
  padding: 0 16px 0 12px;
  border-radius: 4px;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.icon-button--labeled svg { width: 18px; height: 18px; }

.icon-button--new {
  border-color: rgba(101,219,239,0.5);
  color: var(--tms-cyan);
}
.icon-button--new:hover { border-color: var(--tms-cyan); text-shadow: var(--glow-cyan); }

.icon-button--compile {
  border-color: rgba(62,184,73,0.5);
  color: var(--tms-green);
}
.icon-button--compile:hover {
  border-color: var(--tms-green);
  background: rgba(62,184,73,0.07);
  color: var(--tms-green-lt);
  text-shadow: var(--glow-green);
}

.icon-button--download {
  border-color: rgba(222,208,135,0.5);
  color: var(--tms-yellow);
}
.icon-button--download:hover {
  border-color: var(--tms-yellow);
  color: var(--tms-yellow);
  background: rgba(222,208,135,0.07);
}

.icon-button--run {
  border-color: rgba(62,184,73,0.6);
  color: var(--tms-green);
  font-size: 16px;
}
.icon-button--run:hover {
  border-color: var(--tms-green);
  background: rgba(62,184,73,0.07);
  text-shadow: var(--glow-green);
}

.icon-button--preview {
  min-width: 78px;
  border-color: rgba(128,118,241,0.5);
  color: var(--tms-blue);
}
.icon-button--preview:hover {
  border-color: var(--tms-blue);
  background: rgba(128,118,241,0.07);
  text-shadow: var(--glow-blue);
  color: var(--tms-blue);
}
.icon-button--preview svg { width: 16px; height: 16px; }

.button--active {
  border-color: rgba(101,219,239,0.8) !important;
  color: var(--tms-cyan) !important;
  background: rgba(101,219,239,0.08) !important;
  text-shadow: none;
}
.button--primary {
  border-color: rgba(62,184,73,0.6);
  color: var(--tms-green-lt);
  background: rgba(62,184,73,0.07);
}
.button--primary:hover {
  border-color: var(--tms-green);
  color: var(--tms-green-lt);
  text-shadow: var(--glow-green);
}

.hidden { display: none !important; }

/* ── dropdown menus ──────────────────────────────────────────────────────── */
.topbar__menu { position: relative; }
.topbar__menu summary {
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: var(--surface2);
  border: 1px solid var(--border2);
  color: var(--text-dim);
  padding: 7px 12px;
  border-radius: 4px;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  transition: color 0.12s, border-color 0.12s;
}
.topbar__menu summary::-webkit-details-marker { display: none; }
.topbar__menu[open] summary {
  color: var(--tms-cyan);
  border-color: var(--tms-cyan);
  background: rgba(101,219,239,0.07);
}
.topbar__menu--quiet summary {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
  padding: 5px 8px;
}
.topbar__menu--quiet[open] summary { border-color: transparent; background: transparent; }
.topbar__menu--opt summary { min-width: 150px; text-align: center; }
.topbar__linklike { text-decoration: underline; text-underline-offset: 3px; }
.topbar__linklike--icon {
  text-decoration: none;
  font-size: 22px;
  letter-spacing: 0.12em;
}

.menu-panel {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 220px;
  display: grid;
  gap: 3px;
  padding: 8px;
  border: 1px solid var(--tms-cyan);
  border-radius: 4px;
  background: var(--surface);
  box-shadow: 0 12px 40px rgba(0,0,0,0.6), var(--glow-cyan);
  z-index: 40;
}
.menu-panel button {
  width: 100%;
  text-align: left;
  background: transparent;
  border-color: transparent;
  color: var(--text-dim);
}
.menu-panel button:hover {
  border-color: transparent;
  background: rgba(101,219,239,0.10);
  color: var(--tms-cyan);
}
.menu-panel--compact { min-width: 240px; }
.menu-panel--burger { min-width: 260px; gap: 4px; }
.menu-choice { font-weight: 700; }
.menu-section {
  border: 1px solid rgba(101,219,239,0.12);
  border-radius: 4px;
  background: rgba(0,0,0,0.16);
}
.menu-section > summary {
  cursor: pointer;
  list-style: none;
  padding: 7px 9px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--tms-cyan);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.menu-section > summary::-webkit-details-marker { display: none; }
.menu-section > summary::after {
  content: "▸";
  float: right;
  color: var(--muted);
}
.menu-section[open] > summary::after { content: "▾"; }
.menu-section__items {
  display: grid;
  gap: 2px;
  padding: 0 4px 5px;
}
.topbar__menu--opt #optimizationHint {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border2);
  max-width: 320px;
}

/* ── panel title bars ────────────────────────────────────────────────────── */
.panel-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--bar-h);
  margin: -12px -12px 12px -12px;
  padding: 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tms-black);
  flex-shrink: 0;
}
/* First panel in a panel-stack needs to also offset the top border-radius */
.panel-bar--green { background: var(--tms-green); border-radius: 10px 10px 0 0; }
.panel-bar--cyan  { background: var(--tms-cyan);  border-radius: 10px 10px 0 0; }
.panel-bar--blue  { background: var(--tms-blue);  color: var(--tms-white); border-radius: 10px 10px 0 0; }

.panel-bar__chip {
  font-size: 10px;
  letter-spacing: 0.06em;
  opacity: 0.60;
}
.panel-bar__hint {
  font-size: 10px;
  letter-spacing: 0.04em;
  opacity: 0.65;
  font-weight: 400;
}
.panel-bar__actions {
  display: flex;
  gap: 5px;
}
.panel-bar__actions button {
  background: rgba(0,0,0,0.22);
  border: 1px solid rgba(0,0,0,0.30);
  color: rgba(0,0,0,0.75);
  padding: 3px 9px;
  font-size: 11px;
  border-radius: 3px;
  letter-spacing: 0.04em;
}
.panel-bar__actions button:hover {
  background: rgba(0,0,0,0.35);
  border-color: rgba(0,0,0,0.50);
  color: var(--tms-black);
  text-shadow: none;
}
.panel-bar__actions .button--active {
  background: rgba(0,0,0,0.35) !important;
  border-color: rgba(0,0,0,0.60) !important;
  color: var(--tms-black) !important;
}

/* ── layout ──────────────────────────────────────────────────────────────── */
.layout {
  display: grid;
  grid-template-columns: 320px 1fr 1fr;
  gap: 10px;
  padding: 10px;
  height: calc(100vh - var(--topbar-h));
}
.layout--asm-collapsed {
  grid-template-columns: 320px 1fr;
}
.layout--asm-collapsed .panel-stack--right {
  display: none;
}
.btn-show-asm {
  display: none;
}
.layout--asm-collapsed .btn-show-asm {
  display: inline-flex;
}

/* ── panels ──────────────────────────────────────────────────────────────── */
.panel {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 10px;
  padding: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.panel--center { overflow: visible; }
.panel--left  { border-color: rgba(62,184,73,0.40); }
.panel--center { border-color: rgba(101,219,239,0.40); }
.panel--asm   { border-color: rgba(128,118,241,0.40); }

/* section titles within panels */
.panel h2 {
  margin: 12px 0 6px;
  font-size: 11px;
  font-family: var(--mono);
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.20em;
  text-transform: uppercase;
}
.panel h2:first-child { margin-top: 0; }

.panel__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.panel__header h2 { margin: 0; }
.panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.panel__actions button {
  min-width: 0;
  padding: 5px 9px;
  font-size: 11px;
}

.panel-stack { display: flex; flex-direction: column; gap: 10px; min-height: 0; }
.panel-stack--right { min-height: 0; }
.panel--asm { flex: 1 1 0; min-height: 0; }
.panel--emulator { flex: 0 0 auto; min-height: 180px; }

/* ── tabs ────────────────────────────────────────────────────────────────── */
.side-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-bottom: 12px;
  padding: 3px;
  border: 1px solid var(--border2);
  border-radius: 5px;
  background: rgba(0,0,0,0.30);
}
.side-tab {
  border-radius: 3px;
  border: 1px solid transparent;
  background: transparent;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 5px 8px;
}
.side-tab:hover {
  color: var(--tms-green);
  border-color: transparent;
  background: rgba(62,184,73,0.08);
  text-shadow: none;
}
.side-tab--active {
  color: var(--tms-green) !important;
  border-color: rgba(62,184,73,0.55) !important;
  background: rgba(62,184,73,0.10) !important;
  text-shadow: var(--glow-green) !important;
}

.side-tab-panel {
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* ── form elements ───────────────────────────────────────────────────────── */
.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field--tight { gap: 8px; }
.field__inline { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; }
.field__inline--compact { grid-template-columns: auto; justify-content: start; }
.field__stack { display: grid; gap: 8px; }

label {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
input, select {
  font-family: var(--mono);
  font-size: 13px;
  border: 1px solid var(--border2);
  border-radius: 4px;
  background: rgba(0,0,0,0.40);
  color: var(--text);
  padding: 8px 10px;
  outline: none;
}
input:focus, select:focus {
  border-color: var(--tms-cyan);
  box-shadow: 0 0 0 1px rgba(101,219,239,0.20);
}

.hint {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
  margin-bottom: 8px;
}
.hint--tight { margin-bottom: 4px; }
.hint code { color: var(--tms-cyan); }
.library-resolution { white-space: pre-line; }
.field--dialog-grow { min-height: 0; }

.docs-panel { display: flex; flex-direction: column; min-height: 0; gap: 4px; }
.docs-content {
  border: 1px solid var(--border2);
  border-radius: 4px;
  background: rgba(0,0,0,0.35);
  padding: 10px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.45;
}
.docs-content h2,
.docs-content h3,
.docs-content h4,
.docs-content h5 {
  margin: 14px 0 8px;
  color: var(--tms-green);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.docs-content h2:first-child,
.docs-content h3:first-child { margin-top: 0; }
.docs-content p,
.docs-content ul { margin: 0 0 10px; }
.docs-content ul { padding-left: 18px; }
.docs-content a { color: var(--tms-cyan); }
.docs-content code {
  color: var(--tms-yellow);
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  padding: 1px 4px;
}
.docs-content pre {
  margin: 0 0 12px;
  padding: 10px;
  overflow: auto;
  border-radius: 4px;
  background: rgba(0,0,0,0.45);
  border: 1px solid rgba(255,255,255,0.10);
}
.docs-content pre code { display: block; padding: 0; background: transparent; color: var(--text); }
.docs-content table { width: 100%; border-collapse: collapse; margin: 0 0 12px; }
.docs-content td { border: 1px solid rgba(255,255,255,0.12); padding: 5px 6px; vertical-align: top; }

/* ── RAM summary ─────────────────────────────────────────────────────────── */
.ram-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 12px;
}
.ram-summary__card {
  border: 1px solid var(--border2);
  border-radius: 4px;
  background: rgba(0,0,0,0.30);
  padding: 8px;
  min-width: 0;
}
.ram-summary__label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}
.ram-summary__value {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--tms-cyan);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ram-summary__detail {
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: rgba(0,0,0,0.25);
  padding: 8px;
}

/* ── editor ──────────────────────────────────────────────────────────────── */
.editor-shell {
  position: relative;
  flex: 1 1 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.editor {
  flex: 1 1 0;
  min-height: 0;
  width: 100%;
  resize: none;
  border: 1px solid var(--border2);
  border-radius: 4px;
  background: rgba(0,0,0,0.50);
  color: var(--text);
  padding: 12px 14px;
  outline: none;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.6;
}
.editor:focus {
  border-color: rgba(101,219,239,0.55);
  box-shadow: inset 0 0 0 1px rgba(101,219,239,0.12);
}
.editor--readonly {
  background: rgba(0,0,0,0.30);
  color: var(--text-dim);
}
.panel--center .editor-shell { height: auto; }

/* ── autocomplete ────────────────────────────────────────────────────────── */
.autocomplete {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  max-height: 240px;
  overflow-y: auto;
  border: 1px solid var(--tms-cyan);
  border-radius: 4px;
  background: var(--surface);
  box-shadow: 0 8px 32px rgba(0,0,0,0.7), var(--glow-cyan);
  padding: 5px;
  z-index: 50;
}
.autocomplete__item {
  display: block;
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 7px 12px;
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 13px;
}
.autocomplete__item::before {
  content: '  ';
}
.autocomplete__item:hover,
.autocomplete__item--active {
  background: rgba(101,219,239,0.12);
  border: 0;
}
.autocomplete__item--active::before {
  content: '▶ ';
  color: var(--tms-cyan);
}
.autocomplete__label {
  font-weight: 700;
  color: var(--tms-cyan);
}
.autocomplete__detail {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

/* ── status (terminal style) ─────────────────────────────────────────────── */

.status-summary {
  border: 1px solid var(--border2);
  border-radius: 4px;
  padding: 8px 10px;
  color: var(--text);
  background: rgba(255,255,255,0.05);
  line-height: 1.35;
}
.status-summary--ok { border-color: rgba(74,222,128,0.45); background: rgba(22,101,52,0.18); }
.status-summary--warn { border-color: rgba(251,191,36,0.55); background: rgba(146,64,14,0.22); }
.status-summary--error { border-color: rgba(248,113,113,0.65); background: rgba(127,29,29,0.26); }
.status-summary--info { border-color: rgba(101,219,239,0.45); background: rgba(12,74,110,0.20); }
.status-details { flex: 1 1 auto; min-height: 0; }
.status-details summary { cursor: pointer; color: var(--muted); padding: 6px 2px; user-select: none; }
.status-details[open] summary { color: var(--text); }
.status {
  flex: 1 1 0;
  min-height: 90px;
  border: 1px solid var(--border2);
  border-radius: 4px;
  background: rgba(0,0,0,0.50);
  padding: 10px 12px;
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--tms-green);
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-y: auto;
  overflow-x: hidden;
}

/* ── project files ───────────────────────────────────────────────────────── */
.project-files { display: grid; gap: 7px; max-height: 200px; overflow: auto; }
.project-file {
  border: 1px solid var(--border2);
  border-radius: 4px;
  background: rgba(0,0,0,0.25);
  padding: 8px;
  display: grid;
  gap: 5px;
}
.project-file__top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.project-file__name { font-family: var(--mono); font-size: 13px; color: var(--text); overflow-wrap: anywhere; }
.project-file__meta { font-size: 11px; color: var(--muted); white-space: nowrap; }
.project-file__actions { display: flex; flex-wrap: wrap; gap: 5px; }
.project-file__actions button { min-width: 0; padding: 4px 8px; font-size: 11px; }

/* ── picture compression chooser ───────────────────────────────────── */
.picture-compression-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(8, 13, 18, 0.72);
}
.picture-compression-modal__panel {
  width: min(960px, 96vw);
  max-height: 88vh;
  overflow: auto;
  background: var(--surface, #f6efe2);
  color: var(--text, #18202a);
  border: 3px solid var(--text, #18202a);
  box-shadow: 10px 10px 0 rgba(0,0,0,0.35);
  padding: 18px;
}
.picture-compression-modal__panel h2 { margin: 0 0 6px; }
.picture-compression-modal__summary { margin: 0 0 14px; }
.picture-compression-modal__quick,
.picture-compression-modal__sort {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 14px;
}
.picture-compression-modal__quick-button,
.picture-compression-modal__sort button,
.picture-compression-modal__secondary,
.picture-compression-modal__cancel {
  border: 2px solid var(--text, #18202a);
  cursor: pointer;
  padding: 8px 10px;
}
.picture-compression-modal__quick-button,
.picture-compression-modal__sort button.is-active { background: #ffd15c; color: #18202a; }
.picture-compression-modal__sort button { background: var(--panel-alt, #fffaf0); color: var(--text, #18202a); }
.picture-compression-modal__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
}
.picture-compression-card {
  text-align: left;
  padding: 12px;
  border: 2px solid var(--text, #18202a);
  background: var(--panel-alt, #fffaf0);
  color: var(--text, #18202a);
  cursor: pointer;
}
.picture-compression-card--error { background: #ddd6ca; cursor: not-allowed; }
.picture-compression-modal__secondary { margin-top: 14px; margin-right: 8px; background: #b8d9ff; color: #18202a; }
.picture-compression-modal__cancel { margin-top: 14px; background: #f2b0a2; color: #18202a; }

/* ── checklist ───────────────────────────────────────────────────────────── */
.checklist {
  display: grid; gap: 5px; padding: 8px;
  border: 1px solid var(--border); border-radius: 4px;
  background: rgba(0,0,0,0.25); max-height: 140px; overflow: auto;
}
.checkitem { display: flex; gap: 8px; align-items: flex-start; }
.checkitem input { margin-top: 3px; }
.checkitem__label { font-size: 13px; line-height: 1.3; }
.checkitem__meta { display: block; color: var(--muted); font-size: 11px; margin-top: 2px; }

/* ── emulator ────────────────────────────────────────────────────────────── */
.emulator-host {
  position: relative; flex: 1; min-height: 140px;
  border: 1px solid var(--border2); border-radius: 4px;
  overflow: hidden; background: #000;
}
.emulator-frame { width: 100%; height: 100%; min-height: 140px; border: 0; display: block; background: #000; }
.emulator-placeholder {
  position: absolute; inset: 0; display: grid; place-items: center;
  padding: 18px; text-align: center; color: var(--muted); font-size: 13px;
}
.emulator-host--detached .emulator-placeholder { position: static; min-height: 84px; height: 100%; }

/* ── project graph ───────────────────────────────────────────────────────── */
.project-graph {
  padding: 8px; border: 1px solid var(--border); border-radius: 4px;
  background: rgba(0,0,0,0.25); max-height: 240px; overflow: auto;
}
.project-graph--full { flex: 1; max-height: none; min-height: 0; }

/* ── responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .layout { grid-template-columns: 1fr; height: auto; }
  .panel { min-height: 260px; }
  .panel-stack--right { min-height: 580px; }
  .panel--emulator { min-height: 200px; }
  .topbar { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 8px; }
  .topbar__group--new { border-right: 0; padding-right: 0; }
  .topbar__actions { width: 100%; margin-left: 0; justify-content: space-between; }
  .menu-panel { left: 0; right: auto; }
  .ram-summary { grid-template-columns: 1fr; }
  .project-file__top { flex-direction: column; align-items: flex-start; }
  .wav-converter__actions { flex-wrap: wrap; }
}

/* ── WAV dialog ──────────────────────────────────────────────────────────── */
.wav-converter {
  background: var(--surface);
  border: 1px solid var(--tms-cyan);
  border-radius: 6px;
  color: var(--text);
  padding: 0;
  max-width: 620px;
  width: 100%;
  box-shadow: 0 16px 48px rgba(0,0,0,0.75), var(--glow-cyan);
}
.wav-converter::backdrop { background: rgba(0,0,0,0.75); }
.wav-converter__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: var(--tms-cyan); color: var(--tms-black);
  border-radius: 5px 5px 0 0;
}
.wav-converter__header h2 {
  margin: 0; font-size: 13px; font-family: var(--mono);
  font-weight: 700; letter-spacing: 0.10em; color: var(--tms-black);
}
.wav-converter__close {
  background: none; border: none; color: rgba(0,0,0,0.60);
  cursor: pointer; font-size: 16px; padding: 2px 6px; font-family: var(--mono);
}
.wav-converter__close:hover { color: var(--tms-black); }
.wav-converter__body { padding: 0 16px 16px; }
.wav-converter__quick { margin: 10px 0; }
.wav-converter__row { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: start; }
.wav-converter__advanced {
  margin-top: 10px; border: 1px solid var(--border2);
  border-radius: 4px; padding: 8px 10px; background: rgba(255,255,255,0.02);
}
.wav-converter__advanced summary {
  cursor: pointer; color: var(--muted); -webkit-user-select: none; user-select: none; font-size: 13px; font-family: var(--mono);
}
.wav-converter__advanced[open] summary { color: var(--text); }
.wav-converter__advanced-body { margin-top: 8px; }
.wav-converter__actions { display: flex; align-items: center; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.wav-converter__step-display { min-width: 2em; text-align: right; font-family: var(--mono); }
.wav-converter__amp { width: 6em; }
.wav-converter__label-input { width: 13em; }
.wav-converter__preview { width: 100%; margin-top: 8px; }
.wav-converter__output-wrap { display: none; }
.wav-converter__output-wrap.visible { display: block; }

/* ── examples dialog ─────────────────────────────────────────────────────── */
.example-browser {
  background: var(--surface);
  border: 1px solid var(--tms-green);
  border-radius: 6px;
  color: var(--text);
  padding: 0;
  max-width: 740px;
  width: min(740px, calc(100vw - 32px));
  box-shadow: 0 16px 48px rgba(0,0,0,0.75), var(--glow-green);
}
.example-browser::backdrop { background: rgba(0,0,0,0.75); }
.example-browser__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: var(--tms-green); color: var(--tms-black);
  border-radius: 5px 5px 0 0;
}
.example-browser__header h2 {
  margin: 0; font-size: 13px; font-family: var(--mono);
  font-weight: 700; letter-spacing: 0.10em; color: var(--tms-black);
}
.example-browser__close {
  background: none; border: none; color: rgba(0,0,0,0.60);
  cursor: pointer; font-size: 16px; padding: 2px 6px; font-family: var(--mono);
}
.example-browser__close:hover { color: var(--tms-black); }
.example-browser__body { padding: 0 16px 16px; }