.experiment-page { max-width: 1500px; }
.experiment-workspace { display: grid; grid-template-columns: 1.15fr 1fr; gap: 20px; margin-bottom: 20px; }
.experiment-panel { border: 1px solid var(--line, #314652); border-radius: 16px; padding: 24px; margin-bottom: 20px; background: var(--panel, #142630); min-width: 0; }
.experiment-panel[hidden], .experiment-page [hidden], .analytics-comparisons [hidden] { display: none; }
.experiment-panel h2 { font-size: 1.25rem; margin: 0 0 16px; }
.experiment-panel h3 { font-size: 1rem; }
.experiment-panel-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 16px; }
.experiment-panel-heading h2 { margin: 0; }
.experiment-form-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 20px 0; }
.experiment-page label, .analytics-comparisons label { display: flex; flex-direction: column; gap: 6px; font-size: .88rem; font-weight: 600; min-width: 0; }
.experiment-page input, .experiment-page select, .analytics-comparisons select { width: 100%; min-width: 0; border: 1px solid var(--line, #40525c); border-radius: 8px; background: var(--input, #0e1e27); color: inherit; padding: 10px 12px; font: inherit; }
.experiment-page button, .analytics-comparisons button { border-radius: 8px; padding: 9px 13px; cursor: pointer; }
.experiment-page button:disabled { cursor: not-allowed; opacity: .55; }
.experiment-page button:focus-visible, .experiment-page input:focus-visible, .experiment-page select:focus-visible { outline: 2px solid #67c6dd; outline-offset: 3px; }
.experiment-help, .experiment-list small { color: var(--muted, #b0c2cd); line-height: 1.55; font-size: .86rem; }
.experiment-list { display: grid; gap: 10px; max-height: 320px; overflow: auto; }
.experiment-list-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; text-align: left; padding: 12px; border: 1px solid var(--line, #30434e); background: transparent; border-radius: 10px; }
.experiment-list-item small, .experiment-list-item strong { display: block; }
.experiment-list-item button { text-align: left; }
.experiment-state { border: 1px solid var(--line, #425765); border-radius: 99px; padding: 4px 10px; white-space: nowrap; font-size: .78rem; }
.experiment-title { max-width: 640px; }
.segment-rule-group { border: 1px solid var(--line, #3c5362); border-radius: 12px; margin: 18px 0; padding: 16px; }
.segment-rule-group .segment-rule-group { background: color-mix(in srgb, var(--panel, #142630) 70%, #67c6dd 6%); }
.segment-rule-group legend, .experiment-variants legend { padding: 0 8px; font-size: .88rem; }
.segment-group-bar { display: flex; align-items: end; gap: 10px; flex-wrap: wrap; }
.segment-rule-row { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--line, #314652); }
.segment-rule-row > label { flex: 1 1 150px; }
.segment-rule-row > label:first-child { flex-basis: 210px; }
.segment-rule-row small { flex: 1 0 100%; color: var(--muted, #b0c2cd); }
.segment-rule-row select[multiple] { min-height: 110px; }
.experiment-buttons { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.experiment-audience { border-left: 3px solid #67c6dd; display: grid; gap: 7px; margin: 16px 0; padding: 12px 16px; background: color-mix(in srgb, #67c6dd 7%, transparent); }
.experiment-audience small { line-height: 1.5; color: var(--muted, #b0c2cd); }
.experiment-variants { border: 1px solid var(--line, #314652); border-radius: 12px; padding: 20px; margin: 24px 0; }
#experiment-variants { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-bottom: 16px; }
.experiment-variant { border-left: 3px solid var(--variant-color); padding: 0 16px; display: grid; gap: 12px; }
.experiment-variant h3 { margin: 0; color: var(--variant-color); }
.experiment-details { border: 1px solid var(--line, #314652); padding: 16px; border-radius: 10px; margin: 20px 0; }
.experiment-details summary { cursor: pointer; font-weight: 600; }
.experiment-details fieldset { border: 0; padding: 8px 0; }
.experiment-checkbox { flex-direction: row !important; align-items: start; margin: 10px 0; }
.experiment-checkbox input { width: auto; margin-top: 4px; }
.experiment-checkbox small { display: block; font-weight: 400; color: var(--muted, #b0c2cd); }
.experiment-review { padding: 14px 16px; border-radius: 9px; background: color-mix(in srgb, #67c6dd 8%, transparent); line-height: 1.5; }
.experiment-review.error, .experiment-quality { border-left: 3px solid #f6bf54; padding: 12px 16px; background: color-mix(in srgb, #f6bf54 9%, transparent); }
.experiment-variant-summary { display: flex; flex-wrap: wrap; gap: 16px; }
.experiment-variant-summary > div { border-left: 3px solid var(--variant-color); display: grid; gap: 6px; padding: 8px 14px; }
.experiment-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; }
#experiment-transition { max-width: 560px; width: calc(100% - 32px); padding: 26px; background: var(--panel, #142630); color: inherit; border: 1px solid var(--line, #314652); border-radius: 16px; }
#experiment-transition::backdrop { background: #000a; }
#experiment-transition label { margin: 16px 0; }
.analytics-comparisons { padding: 16px 20px; border: 1px solid var(--line, #314652); border-radius: 14px; margin: 16px 0; }
.analytics-comparisons summary { font-weight: 600; cursor: pointer; }
.analytics-comparison-controls { display: flex; align-items: end; flex-wrap: wrap; gap: 14px; margin: 16px 0; }
.analytics-comparison-controls label { flex: 1 1 200px; }
.analytics-comparison-controls select[multiple] { min-height: 105px; }
.experiment-comparison-legend { display: flex; flex-wrap: wrap; gap: 12px; margin: 10px 0; }
.experiment-comparison-legend span { font-size: .85rem; }
.experiment-comparison-values { display: grid; gap: 10px; }
.experiment-comparison-values > div { border-left: 3px solid var(--variant-color); padding-left: 10px; }
.experiment-comparison-values strong { font-size: 1.7rem; margin-left: 10px; }
.experiment-comparison-block { border-left: 3px solid var(--variant-color); padding-left: 12px; margin-bottom: 16px; }
.experiment-comparison-block h3 { font-size: .88rem; margin-top: 0; }
.experiment-comparison-chart svg { width: 100%; min-height: 140px; }
.experiment-comparison-chart > span { font-size: .8rem; color: var(--muted, #b0c2cd); }
.experiment-unsegmented { padding: 6px 10px; border-left: 2px solid #f6bf54; font-size: .82rem; color: var(--muted, #b0c2cd); }
html[data-theme="light"] .experiment-panel, html[data-theme="light"] #experiment-transition { background: #fff; border-color: #cfdae0; }
html[data-theme="light"] .experiment-page input, html[data-theme="light"] .experiment-page select, html[data-theme="light"] .analytics-comparisons select { background: #fff; color: #142630; border-color: #bacbd4; }
html[data-theme="light"] .experiment-help, html[data-theme="light"] .experiment-list small, html[data-theme="light"] .segment-rule-row small { color: #496474; }
html[data-theme="light"] .experiment-list button { background: #fff; color: #142630; border-color: #bacbd4; }
html[data-theme="light"] .experiment-variant h3 { color: #142630; }
@media (max-width: 1000px) { .experiment-workspace { grid-template-columns: 1fr; } .experiment-form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .experiment-panel { padding: 16px; } .experiment-form-grid, #experiment-variants { grid-template-columns: 1fr; } .experiment-panel-heading { align-items: start; flex-wrap: wrap; } .segment-rule-group { padding: 10px; } .experiment-list-item { flex-wrap: wrap; } .segment-rule-row label { flex-basis: 100%; } }