:root { color-scheme: dark; }
.bcs-overlay { position: fixed; inset: 0; z-index: 90; overflow: auto; padding: clamp(10px, 2vw, 28px); background: rgba(3, 5, 10, .94); color: #eef8ff; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.bcs-shell { width: min(1180px, 100%); min-height: min(820px, calc(100vh - 40px)); margin: 0 auto; overflow: hidden; border: 1px solid rgba(87, 220, 255, .28); border-radius: 24px; background: linear-gradient(145deg, #111722, #090d14 64%); box-shadow: 0 30px 90px rgba(0, 0, 0, .55), inset 0 1px rgba(255, 255, 255, .04); }
.bcs-header, .bcs-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 24px; }
.bcs-header { border-bottom: 1px solid #202b3b; }
.bcs-header h1 { margin: 0; font-size: clamp(25px, 4vw, 40px); letter-spacing: -.035em; }
.bcs-header p { margin: 3px 0 0; color: #90a6b9; font-size: 13px; }
.bcs-header .bcs-kicker { color: #56ddff; font-size: 10px; font-weight: 900; letter-spacing: .24em; }
.bcs-header-actions { display: flex; align-items: center; gap: 10px; }
.bcs-lpc-launch { min-height: 42px; display: inline-flex; align-items: center; gap: 8px; padding: 0 14px; border: 1px solid rgba(86, 221, 255, .48); border-radius: 999px; background: linear-gradient(135deg, rgba(86, 221, 255, .16), rgba(170, 92, 255, .16)); color: #dff8ff; font-size: 12px; font-weight: 850; text-decoration: none; }
.bcs-lpc-launch span { padding: 3px 6px; border-radius: 999px; background: #56ddff; color: #061118; font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }
.bcs-icon { width: 44px; height: 44px; flex: none; border: 1px solid #314256; border-radius: 50%; background: #111a26; color: #dff8ff; font-size: 27px; cursor: pointer; }
.bcs-layout { display: grid; grid-template-columns: minmax(340px, .86fr) minmax(430px, 1.14fr); min-height: 620px; }
.bcs-preview-panel { padding: 24px; border-right: 1px solid #202b3b; background: radial-gradient(circle at 50% 20%, rgba(26, 116, 148, .13), transparent 58%); }
.bcs-stage { position: relative; overflow: hidden; aspect-ratio: 1; border: 1px solid #263a4d; border-radius: 22px; background: #090d13; }
.bcs-preview { display: block; width: 100%; height: 100%; }
.bcs-status { position: absolute; left: 14px; bottom: 12px; padding: 6px 8px; border: 1px solid rgba(86, 221, 255, .25); border-radius: 7px; background: rgba(5, 10, 17, .78); color: #56ddff; font-size: 9px; font-weight: 800; letter-spacing: .14em; }
.bcs-preview-controls { display: grid; grid-template-columns: 1fr 1fr auto; gap: 8px; margin-top: 12px; }
.bcs-preview-controls label { color: #879cad; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.bcs-preview-controls select, .bcs-small, .bcs-control select, .bcs-preset-row input, .bcs-preset-row select, .bcs-preset-row button, .bcs-export button, .bcs-import, .bcs-footer button { min-height: 40px; border: 1px solid #2a3b4e; border-radius: 10px; background: #111a26; color: #e8f5fb; font: inherit; cursor: pointer; }
.bcs-preview-controls select { display: block; width: 100%; min-height: 36px; margin-top: 4px; padding: 0 9px; }
.bcs-small { align-self: end; padding: 0 13px; }
.bcs-metrics { display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; margin: 15px 0; padding: 12px; border: 1px solid #203041; border-radius: 12px; color: #8297a8; font-size: 11px; }
.bcs-metrics strong { color: #c9f4ff; text-align: right; }
.bcs-preset-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.bcs-preset-row input, .bcs-preset-row select { min-width: 0; padding: 0 11px; }
.bcs-preset-row button { padding: 0 13px; }
.bcs-preset-row select { grid-column: 1 / -1; }
.bcs-editor { min-width: 0; padding: 24px; }
.bcs-tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 12px; }
.bcs-tabs button { padding: 9px 12px; border: 0; border-radius: 999px; background: #151e2b; color: #859aaa; font: inherit; font-size: 12px; cursor: pointer; white-space: nowrap; }
.bcs-tabs button.active { background: #56ddff; color: #071017; font-weight: 800; }
.bcs-control-page { display: none; grid-template-columns: 1fr 1fr; gap: 10px; }
.bcs-control-page.active { display: grid; }
.bcs-control-page h2, .bcs-export h2 { grid-column: 1 / -1; margin: 8px 0 4px; font-size: 16px; }
.bcs-control { display: flex; flex-direction: column; gap: 5px; padding: 11px; border: 1px solid #202e3e; border-radius: 12px; background: rgba(15, 22, 32, .74); color: #8ea2b2; font-size: 11px; }
.bcs-control select { width: 100%; padding: 0 10px; text-transform: capitalize; }
.bcs-colorline { display: grid; grid-template-columns: 1fr auto; gap: 7px; }
.bcs-colorline input[type="color"] { width: 100%; min-height: 40px; padding: 3px; border: 1px solid #2a3b4e; border-radius: 10px; background: #111a26; cursor: pointer; }
.bcs-clear { border: 1px solid #2a3b4e; border-radius: 9px; background: #151f2c; color: #a8bac7; font: inherit; font-size: 11px; cursor: pointer; }
.bcs-export { margin-top: 20px; padding-top: 16px; border-top: 1px solid #202b3b; }
.bcs-export p { margin: 0 0 12px; color: #8094a5; font-size: 12px; line-height: 1.5; }
.bcs-export-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.bcs-export button, .bcs-import, .bcs-export a { display: grid; min-height: 40px; place-items: center; padding: 0 12px; border: 1px solid #2a3b4e; border-radius: 10px; background: #111a26; color: #e8f5fb; font: inherit; text-align: center; text-decoration: none; cursor: pointer; }
.bcs-import input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.bcs-footer { border-top: 1px solid #202b3b; }
.bcs-footer p { margin: 0; color: #728697; font-size: 11px; }
.bcs-footer > div { display: flex; gap: 8px; }
.bcs-footer button { padding: 0 18px; }
.bcs-footer .bcs-apply { border-color: #56ddff; background: #56ddff; color: #061118; font-weight: 900; }
.bcs-overlay button:hover, .bcs-overlay select:hover, .bcs-import:hover, .bcs-export a:hover, .bcs-lpc-launch:hover { border-color: #56ddff; }
.bcs-overlay button:focus-visible, .bcs-overlay select:focus-visible, .bcs-overlay input:focus-visible, .bcs-import:focus-within { outline: 2px solid #56ddff; outline-offset: 2px; }
.cr-studio-launch { width: 100%; min-height: 46px; border: 1px solid rgba(86, 221, 255, .5); border-radius: 12px; background: linear-gradient(135deg, rgba(86, 221, 255, .16), rgba(170, 92, 255, .14)); color: #dff8ff; font: inherit; font-weight: 800; cursor: pointer; }

body.character-studio-page { min-height: 100vh; margin: 0; background: #05080d; }
body.character-studio-page .bcs-overlay { position: relative; min-height: 100vh; }

@media (max-width: 820px) {
  .bcs-overlay { padding: 0; }
  .bcs-shell { min-height: 100vh; border: 0; border-radius: 0; }
  .bcs-layout { grid-template-columns: 1fr; }
  .bcs-preview-panel { border-right: 0; border-bottom: 1px solid #202b3b; }
  .bcs-stage { max-width: 440px; margin: 0 auto; }
  .bcs-footer { align-items: stretch; flex-direction: column; }
  .bcs-footer > div { display: grid; grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .bcs-header, .bcs-footer, .bcs-preview-panel, .bcs-editor { padding: 16px; }
  .bcs-header p:not(.bcs-kicker), .bcs-footer p { display: none; }
  .bcs-control-page { grid-template-columns: 1fr; }
  .bcs-control-page h2 { grid-column: 1; }
  .bcs-export-grid { grid-template-columns: 1fr; }
  .bcs-lpc-launch { padding: 0 10px; font-size: 0; }
  .bcs-lpc-launch::before { content: 'LPC'; font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) { .bcs-overlay * { scroll-behavior: auto !important; } }