/* =====================================================================
   Music Video Orchestrator — Interactive User Guide
   Sibling of the Video Prompt Vernacular field guide: same warm-dark
   editor surfaces, mono labels, flame accent used sparingly. Adds a
   three-pane "annotated screenshot" surface — left rail of sections,
   center stage with live hotspot overlays, right rail of descriptors.
   ===================================================================== */

.mvg {
  /* ---- Surfaces ---- */
  --bg:          var(--vscode-editor-background, #1a140e);
  --panel:       var(--vscode-sideBar-background, #211810);
  --card:        var(--vscode-editorWidget-background, #261c12);
  --card-raise:  #2c2116;
  --field:       var(--vscode-input-background, #1f1610);
  --field-hover: var(--vscode-list-hoverBackground, rgba(255,255,255,0.045));

  /* ---- Borders ---- */
  --border:        var(--vscode-widget-border, #3a2c1d);
  --border-soft:   var(--vscode-editorWidget-border, #33271a);
  --border-strong: var(--vscode-input-border, #4a3825);

  /* ---- Text ---- */
  --text:       var(--vscode-foreground, #e8ddc9);
  --text-muted: var(--vscode-descriptionForeground, #a39581);
  --text-dim:   var(--vscode-disabledForeground, #6e6253);

  /* ---- Status ---- */
  --ok:   var(--vscode-charts-green,  #5cae82);
  --warn: var(--vscode-charts-yellow, #d3a64a);
  --info: var(--vscode-charts-blue,   #6ea3d6);

  /* ---- Flame brand accent ---- */
  --flame-a: #e8893f;
  --flame-b: #d24a26;

  --mono: var(--vscode-editor-font-family, ui-monospace, "SF Mono", Menlo, Consolas, monospace);
  --sans: var(--vscode-font-family, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif);

  box-sizing: border-box;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  height: 100%;
}
.mvg *, .mvg *::before, .mvg *::after { box-sizing: border-box; }

/* =====================================================================
   Shell — three columns, full height
   ===================================================================== */
.mvg-shell {
  display: grid;
  grid-template-columns: 246px minmax(0, 1fr) 392px;
  height: 100%;
  min-height: 0;
}

/* ---------------------------------------------------------------------
   Left rail — brand lockup, section nav, pinned legend
   --------------------------------------------------------------------- */
.mvg-rail {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--panel);
  border-right: 1px solid var(--border-soft);
}
.mvg-lockup {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 18px 16px;
  position: relative;
}
.mvg-lockup::after {
  content: ''; position: absolute; left: 18px; right: 18px; bottom: 0; height: 2px;
  background: linear-gradient(90deg, var(--flame-b) 0%, var(--flame-a) 26%,
    color-mix(in oklab, var(--flame-a) 24%, transparent) 60%, transparent 92%);
  opacity: 0.9;
}
.mvg-mark {
  flex-shrink: 0; width: 38px; height: 38px;
  display: grid; place-items: center; border-radius: 9px; color: #fff;
  background: linear-gradient(150deg, var(--flame-a), var(--flame-b));
  box-shadow: 0 2px 9px color-mix(in oklab, var(--flame-b) 36%, transparent),
              inset 0 1px 0 rgba(255,255,255,0.26);
}
.mvg-titles { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.mvg-eyebrow {
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-dim);
}
.mvg-titles h1 { margin: 0; font-size: 15px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.15; }

/* Section nav */
.mvg-nav {
  flex: 1; min-height: 0; overflow-y: auto;
  padding: 12px 10px;
  display: flex; flex-direction: column; gap: 2px;
}
.mvg-nav-group {
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-dim);
  padding: 12px 10px 5px;
}
.mvg-nav-item {
  font: inherit; text-align: left;
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 7px;
  background: transparent; border: 1px solid transparent;
  color: var(--text-muted); cursor: pointer;
  transition: background 90ms, color 90ms, border-color 90ms;
}
.mvg-nav-item:hover { background: var(--field-hover); color: var(--text); }
.mvg-nav-item .nn {
  flex-shrink: 0; width: 20px; height: 20px;
  display: grid; place-items: center; border-radius: 5px;
  font-family: var(--mono); font-size: 10px;
  background: var(--field); border: 1px solid var(--border-soft); color: var(--text-dim);
}
.mvg-nav-item .nlabel { min-width: 0; font-size: 12.5px; line-height: 1.25; }
.mvg-nav-item.active {
  color: #fff;
  background: linear-gradient(150deg,
    color-mix(in oklab, var(--flame-a) 86%, #000),
    color-mix(in oklab, var(--flame-b) 90%, #000));
  border-color: color-mix(in oklab, var(--flame-b) 64%, transparent);
  box-shadow: 0 1px 8px color-mix(in oklab, var(--flame-b) 26%, transparent);
}
.mvg-nav-item.active .nn { background: rgba(0,0,0,0.22); border-color: transparent; color: rgba(255,255,255,0.82); }
.mvg-nav-item.stub { opacity: 0.6; }
.mvg-nav-item.stub .tag {
  margin-left: auto; font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--text-dim);
  border: 1px solid var(--border-soft); border-radius: 4px; padding: 1px 4px;
}

/* Pinned legend */
.mvg-legend {
  flex-shrink: 0;
  border-top: 1px solid var(--border-soft);
  background: color-mix(in oklab, var(--text) 2%, var(--panel));
  padding: 11px 14px 13px;
}
.mvg-legend h4 {
  margin: 0 0 8px;
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-dim);
  display: flex; align-items: center; gap: 6px;
}
.mvg-legend-row {
  display: flex; align-items: flex-start; gap: 9px;
  padding: 4px 0; font-size: 11px; color: var(--text-muted);
}
.mvg-legend-row .lg {
  flex-shrink: 0; width: 22px; height: 22px;
  display: grid; place-items: center; border-radius: 5px;
  background: var(--field); border: 1px solid var(--border-soft); color: var(--text);
}
.mvg-legend-row b { color: var(--text); font-weight: 600; }

/* ---------------------------------------------------------------------
   Center stage — annotated screenshot
   --------------------------------------------------------------------- */
.mvg-stage-wrap {
  min-width: 0; min-height: 0;
  display: flex; flex-direction: column;
  background:
    radial-gradient(120% 80% at 50% -10%, color-mix(in oklab, var(--flame-b) 7%, transparent), transparent 60%),
    var(--bg);
}
.mvg-platebar {
  flex-shrink: 0;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 14px 22px 12px;
  border-bottom: 1px solid var(--border-soft);
}
.mvg-platebar .pb-title { font-size: 14px; font-weight: 600; color: var(--text); margin-right: 4px; }
.mvg-platebar .pb-sub { font-size: 11.5px; color: var(--text-muted); }
.mvg-plate-tabs { display: flex; gap: 6px; margin-left: auto; }
.mvg-plate-tab {
  font: inherit; cursor: pointer;
  font-size: 11.5px; padding: 5px 11px; border-radius: 999px;
  background: var(--field); border: 1px solid var(--border-soft); color: var(--text-muted);
  transition: background 90ms, color 90ms, border-color 90ms;
}
.mvg-plate-tab:hover { background: var(--field-hover); color: var(--text); }
.mvg-plate-tab.active { color: var(--text); border-color: var(--border-strong); background: var(--card-raise); }

.mvg-stage-scroll {
  flex: 1; min-height: 0; overflow: auto;
  display: flex; justify-content: center;
  padding: 26px;
}
/* Column wrapper holds the stage and (at narrow widths) the below-graphic info */
.mvg-stage-col {
  display: flex; flex-direction: column; align-items: center;
  width: 100%;
}
.mvg-stage-col > .mvg-stage { align-self: center; }
/* Below-graphic descriptor block — hidden until the right rail collapses */
.mvg-info-mobile { display: none; }
/* The image + overlay box; width-driven, height auto via aspect-ratio */
.mvg-stage {
  position: relative;
  align-self: flex-start;
  width: 100%;
  max-width: var(--plate-max, 620px);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(0,0,0,0.5), 0 0 0 1px var(--border-soft);
}
.mvg-stage img { display: block; width: 100%; height: auto; }

/* Dimmer — fades the shot while a region is focused */
.mvg-dim {
  position: absolute; inset: 0; pointer-events: none;
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  opacity: 0;
  transition: opacity 160ms ease;
}
.mvg-stage.focusing .mvg-dim { opacity: 1; }

/* Hotspots — numbered badges anchored to region top-left */
.mvg-hotspot {
  position: absolute;
  border: 1.5px solid color-mix(in oklab, var(--flame-a) 50%, transparent);
  border-radius: 7px;
  background: color-mix(in oklab, var(--flame-a) 6%, transparent);
  cursor: pointer;
  transition: opacity 140ms ease, box-shadow 140ms ease,
              border-color 140ms ease, background 140ms ease, transform 140ms ease;
  z-index: 2;
}
.mvg-hotspot:hover { border-color: var(--flame-a); background: color-mix(in oklab, var(--flame-a) 12%, transparent); }
.mvg-hotspot .hn {
  position: absolute; top: -11px; left: -11px;
  width: 22px; height: 22px;
  display: grid; place-items: center; border-radius: 999px;
  font-family: var(--mono); font-size: 11px; font-weight: 600; color: #fff;
  background: linear-gradient(150deg, var(--flame-a), var(--flame-b));
  box-shadow: 0 2px 7px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.25);
}
/* When the stage is focusing one region, mute the others */
.mvg-stage.focusing .mvg-hotspot { opacity: 0.16; }
.mvg-stage.focusing .mvg-hotspot.active {
  opacity: 1; z-index: 4;
  border-color: var(--flame-a);
  background: color-mix(in oklab, var(--flame-a) 9%, transparent);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--flame-a) 60%, transparent),
              0 10px 30px rgba(0,0,0,0.55);
}
/* Sub-ring — a tighter highlight for a specific element inside a region */
.mvg-subring {
  position: absolute; z-index: 5; pointer-events: none;
  border: 2px solid var(--flame-a);
  border-radius: 6px;
  background: color-mix(in oklab, var(--flame-a) 10%, transparent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--flame-a) 22%, transparent),
              0 8px 24px rgba(0,0,0,0.5);
  opacity: 0;
  transition: opacity 120ms ease;
}
.mvg-subring.show { opacity: 1; }

/* Empty-state stub for un-annotated sections */
.mvg-stub {
  margin: auto; max-width: 440px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  padding: 40px;
}
.mvg-stub .si {
  width: 56px; height: 56px; display: grid; place-items: center;
  border-radius: 13px; color: var(--text-dim);
  background: var(--card); border: 1px dashed var(--border-strong);
}
.mvg-stub h3 { margin: 0; font-size: 16px; font-weight: 600; color: var(--text); }
.mvg-stub p { margin: 0; font-size: 12.5px; color: var(--text-muted); line-height: 1.55; }
.mvg-stub .placeholder {
  width: 100%; height: 180px; border-radius: 10px; margin-top: 6px;
  background:
    repeating-linear-gradient(45deg,
      color-mix(in oklab, var(--bg) 50%, transparent) 0 9px,
      color-mix(in oklab, var(--card) 80%, transparent) 9px 18px);
  border: 1px solid var(--border-soft);
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--text-dim);
}

/* ---------------------------------------------------------------------
   Right rail — descriptors
   --------------------------------------------------------------------- */
.mvg-info {
  min-width: 0; min-height: 0;
  display: flex; flex-direction: column;
  background: var(--panel);
  border-left: 1px solid var(--border-soft);
}
.mvg-info-head {
  flex-shrink: 0; padding: 16px 18px 13px;
  border-bottom: 1px solid var(--border-soft);
}
.mvg-info-head .ih-eyebrow {
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--flame-a); margin-bottom: 5px;
}
.mvg-info-head h2 { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.mvg-info-head p { margin: 6px 0 0; font-size: 12px; color: var(--text-muted); line-height: 1.5; text-wrap: pretty; }

.mvg-callouts {
  flex: 1; min-height: 0; overflow-y: auto;
  padding: 12px 14px 28px;
  display: flex; flex-direction: column; gap: 8px;
}

/* Gating / info banner at the top of a section's callouts */
.mvg-banner {
  flex-shrink: 0;
  display: flex; gap: 11px; align-items: flex-start;
  padding: 11px 13px; border-radius: 9px;
  border: 1px solid; margin-bottom: 2px;
}
.mvg-banner .bi {
  flex-shrink: 0; width: 26px; height: 26px;
  display: grid; place-items: center; border-radius: 7px;
}
.mvg-banner .bt { font-size: 12.5px; font-weight: 600; color: var(--text); line-height: 1.3; }
.mvg-banner .bd { font-size: 11.5px; color: var(--text-muted); line-height: 1.5; margin-top: 3px; text-wrap: pretty; }
.mvg-banner .bd b { color: var(--text); font-weight: 600; }
.mvg-banner.info {
  background: color-mix(in oklab, var(--info) 8%, var(--card));
  border-color: color-mix(in oklab, var(--info) 32%, var(--border-soft));
}
.mvg-banner.info .bi { color: var(--info); background: color-mix(in oklab, var(--info) 16%, transparent); }
.mvg-banner.gate {
  background: color-mix(in oklab, var(--flame-a) 9%, var(--card));
  border-color: color-mix(in oklab, var(--flame-a) 38%, var(--border-soft));
}
.mvg-banner.gate .bi {
  color: #fff;
  background: linear-gradient(150deg, var(--flame-a), var(--flame-b));
}
.mvg-banner.tip {
  background: color-mix(in oklab, var(--ok) 8%, var(--card));
  border-color: color-mix(in oklab, var(--ok) 32%, var(--border-soft));
}
.mvg-banner.tip .bi { color: var(--ok); background: color-mix(in oklab, var(--ok) 16%, transparent); }

/* =====================================================================
   Narrative (text-only) section — Overview
   ===================================================================== */
.mvg-shell.narrative { grid-template-columns: 246px minmax(0, 1fr); }
.mvg-shell.narrative .mvg-info { display: none; }
.mvg-doc {
  align-self: flex-start;
  width: 100%; max-width: 720px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 16px;
}
.mvg-doc-lead {
  font-size: 15px; line-height: 1.6; color: var(--text); text-wrap: pretty;
}
.mvg-doc-p {
  margin: 0; font-size: 13.5px; line-height: 1.62; color: var(--text-muted); text-wrap: pretty;
}
.mvg-doc-p b { color: var(--text); font-weight: 600; }
.mvg-doc-h {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-dim);
  margin: 8px 0 -4px; display: flex; align-items: center; gap: 7px;
}
.mvg-doc .mvg-banner { margin-bottom: 0; }

/* Feature rows ("It does the fiddly parts for you") */
.mvg-feature {
  display: flex; gap: 13px; align-items: flex-start;
  padding: 13px 15px; border-radius: 10px;
  background: var(--card); border: 1px solid var(--border-soft);
}
.mvg-feature .fi {
  flex-shrink: 0; width: 30px; height: 30px;
  display: grid; place-items: center; border-radius: 8px;
  color: var(--flame-a);
  background: color-mix(in oklab, var(--flame-a) 13%, transparent);
  border: 1px solid color-mix(in oklab, var(--flame-a) 26%, transparent);
}
.mvg-feature .ft { display: block; font-size: 13.5px; font-weight: 600; color: var(--text); line-height: 1.35; }
.mvg-feature .fd { display: block; font-size: 12.5px; color: var(--text-muted); line-height: 1.58; margin-top: 4px; text-wrap: pretty; }
.mvg-feature .fd b { color: var(--text); font-weight: 600; }

/* A region card (groups several rows under a numbered head) */
.mvg-rc {
  flex-shrink: 0;
  border: 1px solid var(--border-soft); border-radius: 9px;
  background: var(--card); overflow: hidden;
  transition: border-color 120ms, box-shadow 120ms;
}
.mvg-rc.active {
  border-color: color-mix(in oklab, var(--flame-a) 55%, transparent);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--flame-a) 40%, transparent);
}
.mvg-rc-head {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; cursor: pointer;
}
.mvg-rc-head .rn {
  flex-shrink: 0; width: 22px; height: 22px;
  display: grid; place-items: center; border-radius: 999px;
  font-family: var(--mono); font-size: 11px; font-weight: 600; color: #fff;
  background: linear-gradient(150deg, var(--flame-a), var(--flame-b));
}
.mvg-rc-head .rt { min-width: 0; }
.mvg-rc-head .rt .rtitle { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.25; }
.mvg-rc-head .rt .rcode {
  font-family: var(--mono); font-size: 10px; color: var(--text-dim);
  margin-top: 1px; word-break: break-all;
}
.mvg-rc-desc {
  padding: 0 12px 11px 44px;
  font-size: 11.5px; color: var(--text-muted); line-height: 1.5; text-wrap: pretty;
}

/* Sub-rows (the icon/element table inside a region) */
.mvg-rows { display: flex; flex-direction: column; border-top: 1px solid var(--border-soft); }
.mvg-row {
  display: grid; grid-template-columns: 26px 1fr; gap: 9px;
  padding: 9px 12px 9px 12px;
  cursor: default;
  border-bottom: 1px solid color-mix(in oklab, var(--border-soft) 50%, transparent);
  transition: background 90ms;
}
.mvg-row:last-child { border-bottom: none; }
.mvg-row.hassub { cursor: pointer; }
.mvg-row.hassub:hover, .mvg-row.subactive { background: color-mix(in oklab, var(--flame-a) 7%, transparent); }
.mvg-row .ricon {
  width: 26px; height: 26px; display: grid; place-items: center;
  border-radius: 6px; background: var(--field); border: 1px solid var(--border-soft);
  color: var(--text); align-self: start;
}
.mvg-row .ricon.txt { font-family: var(--mono); font-size: 9.5px; color: var(--text-muted); }
.mvg-row .rbody { min-width: 0; }
.mvg-row .rname {
  font-size: 12px; color: var(--text); font-weight: 500;
  display: flex; align-items: center; gap: 7px; flex-wrap: wrap;
}
.mvg-row .rname code {
  font-family: var(--mono); font-size: 10px; font-weight: 400;
  background: var(--field); border: 1px solid var(--border-soft);
  padding: 0 4px; border-radius: 4px; color: var(--text-muted);
}
.mvg-row .rfn { font-size: 11.5px; color: var(--text-muted); line-height: 1.5; margin-top: 3px; text-wrap: pretty; }
.mvg-row .rfn b { color: var(--text); font-weight: 600; }

/* Pills inline (state chips inside descriptions) */
.mvg-pillchip {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.02em;
  padding: 1px 6px 1px 5px; border-radius: 999px; border: 1px solid;
  white-space: nowrap;
}
.mvg-pillchip .dot { width: 5px; height: 5px; border-radius: 999px; }
.mvg-pillchip.ok { color: var(--ok); border-color: color-mix(in oklab, var(--ok) 34%, transparent); background: color-mix(in oklab, var(--ok) 12%, transparent); }
.mvg-pillchip.ok .dot { background: var(--ok); }
.mvg-pillchip.warn { color: var(--warn); border-color: color-mix(in oklab, var(--warn) 36%, transparent); background: color-mix(in oklab, var(--warn) 12%, transparent); }
.mvg-pillchip.warn .dot { background: var(--warn); }
.mvg-pillchip.info { color: var(--info); border-color: color-mix(in oklab, var(--info) 36%, transparent); background: color-mix(in oklab, var(--info) 12%, transparent); }
.mvg-pillchip.info .dot { background: var(--info); }

/* Note line inside a region card */
.mvg-note {
  display: flex; gap: 7px; align-items: baseline;
  margin: 0 12px 11px 44px; font-size: 11px; color: var(--warn); line-height: 1.45;
}
.mvg-note .nlabel {
  font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.06em;
  text-transform: uppercase; flex-shrink: 0; opacity: 0.85; margin-top: 1px;
}

/* Scrollbars */
.mvg-nav::-webkit-scrollbar, .mvg-callouts::-webkit-scrollbar, .mvg-stage-scroll::-webkit-scrollbar { width: 9px; height: 9px; }
.mvg-nav::-webkit-scrollbar-thumb, .mvg-callouts::-webkit-scrollbar-thumb, .mvg-stage-scroll::-webkit-scrollbar-thumb {
  background: var(--border-strong); border-radius: 5px; border: 2px solid transparent; background-clip: padding-box;
}

/* =====================================================================
   Responsive — collapse right rail under, then left rail to a strip
   ===================================================================== */
@media (max-width: 1080px) {
  .mvg-shell { grid-template-columns: 210px minmax(0, 1fr); }
  .mvg-info { display: none; }

  /* Reveal the descriptor content below the graphic as plain formatted text */
  .mvg-info-mobile {
    display: flex; flex-direction: column;
    width: 100%; max-width: var(--plate-max, 620px);
    margin-top: 24px; padding-top: 4px;
    border-top: 1px solid var(--border-soft);
  }
  .mvg-info-mobile .mvg-info-head {
    padding: 16px 0 13px; border-bottom: 1px solid var(--border-soft);
  }
  .mvg-info-mobile .mvg-callouts {
    flex: none; min-height: 0; overflow: visible;
    padding: 14px 0 0; gap: 8px;
  }
}