.experiment-page { padding-top: 0; padding-bottom: 88px; }
.experiment-page .page-intro { max-width: 880px; margin-bottom: 52px; padding: 80px 0 0; }
.experiment-page .page-intro h1 { font-size: clamp(3rem, 6.1vw, 5.8rem); line-height: 1.04; letter-spacing: -.055em; margin: 18px 0 25px; font-weight: 600; }
.experiment-lead { max-width: 680px; color: var(--muted); font-size: clamp(1.05rem, 1.6vw, 1.25rem); line-height: 1.65; margin: 0 0 23px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--accent); text-decoration: none; font-size: .95rem; font-weight: 550; }
.text-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.tool-panel { background: var(--surface); border: 1px solid var(--line); border-radius: 28px; padding: clamp(22px, 3.4vw, 42px); box-shadow: var(--shadow); }
.tool-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
.tool-heading .eyebrow { margin: 0 0 10px; font-size: .66rem; letter-spacing: .15em; }
.tool-heading h2 { margin: 0; font-size: clamp(1.35rem, 2.6vw, 1.8rem); font-weight: 550; letter-spacing: -.035em; line-height: 1.25; }
.tool-badge { white-space: nowrap; color: var(--muted); border: 1px solid var(--line); border-radius: 100px; padding: 8px 12px; font-size: .69rem; }
.tool-panel label { display: block; margin-bottom: 10px; color: var(--text); font-size: .8rem; font-weight: 550; }
.tool-panel textarea, .tool-panel input[type="text"] { display: block; width: 100%; box-sizing: border-box; border: 1px solid var(--line); border-radius: 15px; background: var(--surface-2); color: var(--text); padding: 17px 19px; font: inherit; font-size: .98rem; line-height: 1.6; transition: border-color .2s, box-shadow .2s; }
.tool-panel textarea { resize: vertical; min-height: 112px; }
.tool-panel textarea::placeholder, .tool-panel input::placeholder { color: var(--subtle); opacity: 1; }
.tool-panel textarea:focus, .tool-panel input[type="text"]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.tool-panel :focus-visible, .experiment-back:focus-visible, .experiment-page .text-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.tool-panel button { font: inherit; }
.tool-panel button:disabled { opacity: .4; cursor: not-allowed; }
.form-bottom { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin-top: 18px; }
.form-bottom .button { flex-shrink: 0; }
.field-hint { color: var(--muted); font-size: .78rem; line-height: 1.6; margin: 0; }
.tool-status { min-height: 1.4em; margin: 17px 0 0; color: var(--muted); font-size: .8rem; line-height: 1.5; }
.tool-status:empty { display: none; }
.tool-status.is-error { color: var(--negative); }
.tool-status.is-success { color: var(--positive); }
.experiment-footnote { color: var(--muted); max-width: 800px; font-size: .77rem; line-height: 1.7; margin: 22px 4px 0; }
.experiment-back { margin-top: 34px; }
.conversation-output { min-height: 260px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface-2); margin-bottom: 28px; padding: 30px; }
.empty-state { text-align: center; padding: 23px 0 16px; }
.empty-orbit { display: flex; align-items: center; justify-content: center; width: 58px; height: 58px; margin: 0 auto 18px; border-radius: 18px; color: var(--accent); border: 1px solid var(--line); background: var(--accent-soft); font-size: 28px; }
.empty-state h3 { margin: 0 0 10px; font-size: 1.2rem; font-weight: 550; letter-spacing: -.025em; }
.empty-state p { color: var(--muted); font-size: .85rem; line-height: 1.6; margin: 0; }
.conversation-message + .conversation-message { margin-top: 27px; padding-top: 25px; border-top: 1px solid var(--line); }
.conversation-message h3 { margin: 0 0 10px; color: var(--accent); font-size: .67rem; font-weight: 600; text-transform: uppercase; letter-spacing: .14em; }
.conversation-message p { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.75; margin: 0; font-size: .95rem; }
.sentiment-results { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 32px; }
.score-card { min-width: 0; padding: 25px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface-2); }
.score-label { display: flex; align-items: center; gap: 8px; font-size: .8rem; color: var(--muted); }
.score-dot { height: 6px; width: 6px; border-radius: 100%; background: var(--score-color); }
.positive-score { --score-color: var(--positive); }.neutral-score { --score-color: var(--accent); }.negative-score { --score-color: var(--negative); }
.score-number { display: block; margin: 19px 0 23px; color: var(--text); font-size: clamp(2.2rem, 4vw, 3.5rem); line-height: 1; letter-spacing: -.06em; font-variant-numeric: tabular-nums; }
.score-track { height: 4px; border-radius: 10px; background: var(--line); overflow: hidden; }
.score-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: var(--score-color); transition: width .5s ease; }
.result-caption { margin-top: 18px; }
.glacier-form { display: flex; gap: 16px; align-items: flex-end; }
.glacier-form .input-group { flex: 1; }
.glacier-form .button { flex-shrink: 0; min-height: 60px; }
.sample-options { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 18px; }
.sample-options > span { color: var(--muted); font-size: .72rem; margin-right: 3px; }
.sample-options button { border: 1px solid var(--line); background: transparent; border-radius: 9px; padding: 10px 12px; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .7rem; cursor: pointer; min-height: 40px; }
.sample-options button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.glacier-preview-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 34px; margin-top: 28px; border-top: 1px solid var(--line); }
.glacier-preview-heading h3 { margin: 0; font: 500 .85rem ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .015em; }
.compact-button { font-size: .77rem !important; min-height: 42px; padding: 10px 15px !important; }
.glacier-previews { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 22px; }
.glacier-previews figure { margin: 0; min-width: 0; }
.image-mat { background: #fff; border: 1px solid var(--line); border-radius: 15px; overflow: hidden; aspect-ratio: 1.13; display: flex; align-items: center; justify-content: center; }
.image-mat img { width: 100%; height: 100%; display: block; object-fit: contain; }
.glacier-previews figcaption { display: flex; gap: 10px; align-items: center; font-size: .77rem; color: var(--muted); padding-top: 14px; }
.image-index { color: var(--subtle); font: .65rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.drawing-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; padding: 18px 0 22px; border-top: 1px solid var(--line); }
.pen-colors, .pen-size, .canvas-actions { display: flex; align-items: center; gap: 10px; }
.drawing-toolbar label { margin: 0 2px 0 0; font-size: .73rem; color: var(--muted); }
.pen-colors input { width: 34px; height: 34px; padding: 3px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-2); cursor: pointer; }
.color-swatch { height: 30px; width: 30px; border-radius: 100%; border: 4px solid var(--surface); box-shadow: 0 0 0 1px var(--line); background: var(--swatch); cursor: pointer; }
.color-swatch[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--accent); }
.pen-size input { width: 95px; accent-color: var(--accent); cursor: pointer; }
.pen-size output { color: var(--muted); min-width: 35px; font-size: .7rem; font-variant-numeric: tabular-nums; }
.canvas-actions { margin-left: auto; }
.canvas-frame { background: #fff; border-radius: 16px; border: 1px solid var(--line); overflow: hidden; }
#drawing-canvas { width: 100%; height: auto; aspect-ratio: 5/3; display: block; cursor: crosshair; touch-action: none; }
.canvas-bottom { display: flex; justify-content: space-between; align-items: baseline; gap: 25px; margin-top: 17px; }
.canvas-bottom .tool-status { margin: 0; text-align: right; font-size: .73rem; }
.market-frame { overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: #fff; min-height: 580px; }
.market-frame iframe { border: 0; width: 100%; height: 580px; display: block; color-scheme: light; }
.market-footer { display: flex; justify-content: space-between; align-items: center; gap: 30px; margin-top: 22px; }
.market-footer .field-hint { max-width: 600px; }
.market-footer .button { flex-shrink: 0; }
@media (max-width: 700px) {
  .experiment-page { padding-top: 0; padding-bottom: 56px; }
  .experiment-page .page-intro { margin-bottom: 34px; padding-top: 54px; }
  .experiment-page .page-intro h1 { font-size: clamp(2.65rem, 10vw, 4rem); }
  .tool-panel { border-radius: 22px; padding: 24px 20px; }
  .tool-heading { align-items: flex-start; gap: 14px; margin-bottom: 27px; }
  .tool-badge { font-size: .59rem; padding: 7px 9px; white-space: normal; text-align: center; max-width: 100px; }
  .form-bottom { flex-direction: column; align-items: stretch; gap: 16px; }
  .form-bottom .button { align-self: flex-start; }
  .conversation-output { min-height: 240px; padding: 24px 18px; }
  .sentiment-results { gap: 10px; }
  .score-card { padding: 18px 10px; border-radius: 14px; }
  .score-label { font-size: .65rem; gap: 5px; }
  .score-number { font-size: clamp(1.1rem, 4.5vw, 1.75rem); }
  .glacier-form { flex-direction: column; align-items: stretch; }
  .glacier-form .button { min-height: 46px; align-self: flex-start; }
  .sample-options { gap: 8px; }.sample-options > span { width: 100%; }
  .glacier-previews { grid-template-columns: 1fr; gap: 24px; }
  .glacier-preview-heading h3 { font-size: .71rem; }
  .drawing-toolbar { gap: 20px; }.canvas-actions { margin-left: 0; width: 100%; }
  .canvas-actions .button-primary { margin-left: auto; }
  .canvas-bottom { flex-direction: column; gap: 8px; }.canvas-bottom .tool-status { text-align: left; }
  .market-footer { flex-direction: column; align-items: flex-start; gap: 15px; }
}
@media (prefers-reduced-motion: reduce) { .score-track span, .tool-panel textarea, .tool-panel input { transition: none; } }
@media (forced-colors: active) { .tool-panel, .score-card, .canvas-frame { border: 1px solid CanvasText; }.color-swatch { forced-color-adjust: none; }.score-track { border: 1px solid CanvasText; } }