/* Studio Gray BAETAM v3. Only session controls and their result details are restyled. */
#baetamCard{min-width:0}
#baetamCard *,#btMeasureDialog *{box-sizing:border-box}
#baetamCard [hidden],#resultCard .bt3-basis[hidden]{display:none!important}
#baetamCard .bt3-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
#baetamCard .bt3-heading .chead{margin:0}
#baetamCard .bt3-textbtn{border:0;background:transparent;color:var(--text-sub);font:inherit;font-size:12px;font-weight:600;padding:5px 0;cursor:pointer;text-underline-offset:3px;line-height:1.5}
#baetamCard .bt3-textbtn:hover{color:var(--text-main);text-decoration:underline}
#baetamCard button:focus-visible,#baetamCard summary:focus-visible{outline:2px solid var(--lv);outline-offset:3px;border-radius:8px}
#baetamCard .bt3-modes{display:flex;gap:4px;padding:4px;border:1px solid var(--card-border);background:var(--track);border-radius:12px;margin-bottom:18px}
#baetamCard .bt3-modes button{flex:1;min-width:0;border:1px solid transparent;background:transparent;border-radius:8px;padding:9px 6px;color:var(--text-sub);font:inherit;font-size:12px;font-weight:700;cursor:pointer;line-height:1.4}
#baetamCard .bt3-modes button[aria-pressed="true"]{background:var(--card-bg);border-color:var(--card-border);color:var(--text-main);box-shadow:0 1px 3px #0000000a}
#baetamCard .bt3-field{margin-top:16px}
#baetamCard .bt3-field label{font-size:12.5px;margin-bottom:7px;color:var(--text-sub)}
#baetamCard .bt3-labelrow{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:7px;min-height:22px}
#baetamCard .bt3-labelrow label{margin:0}
#baetamCard .bt3-labelrow .bt3-textbtn{padding:0;color:var(--text-main)}
#baetamCard .bt3-hint{font-size:11.5px;color:var(--text-sub);line-height:1.65;margin-top:7px;overflow-wrap:anywhere}
#baetamCard .bt3-hint:empty{display:none}
#baetamCard .bt3-presets{display:flex;gap:7px;margin-top:9px}
#baetamCard .bt3-presets button{flex:1;min-width:0;border:1px solid var(--card-border);border-radius:8px;padding:7px 4px;background:transparent;color:var(--text-sub);font:inherit;font-size:11.5px;font-weight:600;line-height:1.45;cursor:pointer}
#baetamCard .bt3-presets button:hover{background:var(--track);color:var(--text-main)}
#baetamCard .bt3-presets button[aria-pressed="true"]{border-color:color-mix(in srgb,var(--lv),var(--card-border) 55%);color:var(--text-main);background:color-mix(in srgb,var(--lv) 8%,var(--card-bg))}
#baetamCard .bt3-total{margin-top:18px;padding:14px;border-radius:12px;background:color-mix(in srgb,var(--lv) 6%,var(--card-bg));border:1px solid color-mix(in srgb,var(--lv) 16%,var(--card-border))}
#baetamCard .bt3-total>div{display:flex;align-items:baseline;justify-content:space-between;gap:12px;color:var(--text-sub);font-size:12px;line-height:1.65}
#baetamCard .bt3-total>div+div{margin-top:5px}
#baetamCard .bt3-total strong{color:var(--text-main);font-size:14px;text-align:right;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
#baetamCard .bt3-total>div:nth-child(2) strong{font-size:17px;color:var(--lv-ink)}
html[data-theme="dark"] #baetamCard .bt3-total>div:nth-child(2) strong{color:color-mix(in srgb,var(--lv),#fff 30%)}
#baetamCard .bt3-total small{font-size:11px;font-weight:700}
#baetamCard .bt3-total .bt3-hint{font-size:11px;margin-top:8px}
#baetamCard .bt3-help,#resultCard .bt3-basis{color:var(--text-sub);font-size:11.5px;line-height:1.7;margin-top:14px}
#baetamCard .bt3-help summary,#resultCard .bt3-basis summary{cursor:pointer;width:fit-content;max-width:100%;padding:3px 0}
#baetamCard .bt3-help p,#resultCard .bt3-basis p{margin-top:7px;overflow-wrap:anywhere}
#baetamCard .bt3-notice{background:var(--track);border:1px solid var(--card-border);border-radius:10px;padding:10px 12px;color:var(--text-sub);font-size:12px;line-height:1.65;margin-top:10px}
#baetamCard #btLegacyNotice .bt3-textbtn{display:block;text-decoration:underline;color:var(--text-main)}
#baetamCard .bt3-error{font-size:12px;line-height:1.6;border-left:2px solid var(--lv);padding:5px 10px;margin-top:10px;color:var(--text-main)}
#baetamCard .in:has(input[aria-invalid="true"]){border-color:var(--lv)}
#baetamCard .bt3-resume{display:block;width:100%;padding:10px 12px;border:1px solid var(--card-border);background:var(--track);color:var(--text-main);border-radius:10px;font:inherit;font-size:12px;line-height:1.5;text-align:left;cursor:pointer;margin-top:12px}
#baetamCard .bt3-undo{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11.5px;line-height:1.6;color:var(--text-sub);margin-top:10px}
#baetamCard .bt3-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* Native dialog supplies top-layer modality; no global select/picker styles are reused. */
#btMeasureDialog{position:fixed;inset:0;margin:auto;width:min(440px,calc(100% - 24px));max-width:none;max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);padding:0;border:1px solid var(--card-border);border-radius:20px;background:var(--card-bg);color:var(--text-main);font-family:inherit;box-shadow:0 24px 80px #00000040;overflow:auto;overscroll-behavior:contain}
#btMeasureDialog:not([open]){display:none}
#btMeasureDialog::backdrop{background:rgb(0 0 0 / .55)}
#btMeasureDialog .bt3-dialoghead{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;border-bottom:1px solid var(--card-border)}
#btMeasureDialog h2{font-size:15px;font-weight:800;margin:0;color:var(--text-main)}
#btMeasureDialog .bt3-close{background:var(--track);border:0;border-radius:9px;width:34px;height:34px;flex:none;font:inherit;font-size:23px;line-height:1;color:var(--text-sub);cursor:pointer}
#btMeasureDialog .bt3-dialogbody{padding:24px 22px}
#btMeasureDialog .bt3-step{font-size:11px;color:var(--text-sub);font-weight:600;letter-spacing:.02em;margin-bottom:8px}
#btMeasureDialog h3{font-size:21px;font-weight:800;letter-spacing:-.04em;line-height:1.35;color:var(--text-main);margin:0}
#btMeasureDialog h3:focus{outline:none}
#btMeasureDialog .bt3-copy{font-size:13px;line-height:1.8;color:var(--text-sub);margin:13px 0 0}
#btMeasureDialog .bt3-guide{padding:16px 12px;background:var(--track);border-radius:12px;margin:20px 0 12px;font-size:12px;line-height:1.65;text-align:center;color:var(--text-main);font-weight:600}
#btMeasureDialog .bt3-primary,#btMeasureDialog .bt3-secondary{display:block;width:100%;min-height:44px;border:1px solid var(--card-border);border-radius:11px;padding:11px 14px;font:inherit;font-size:13px;font-weight:700;line-height:1.5;cursor:pointer}
#btMeasureDialog .bt3-primary{margin-top:22px;background:var(--lv);color:var(--lv-ink);border-color:var(--lv)}
#btMeasureDialog .bt3-secondary{margin-top:8px;background:transparent;color:var(--text-sub)}
#btMeasureDialog .bt3-secondary:hover{background:var(--track);color:var(--text-main)}
#btMeasureDialog button:disabled{opacity:.4;cursor:not-allowed}
#btMeasureDialog .bt3-clock{display:block;font-size:52px;font-weight:750;letter-spacing:-.04em;font-variant-numeric:tabular-nums;margin:24px 0 18px;color:var(--text-main);text-align:center;line-height:1.4;overflow-wrap:anywhere}
#btMeasureDialog .bt3-counter{display:flex;align-items:center;gap:10px;margin:22px 0 8px;border:1px solid var(--card-border);border-radius:12px;padding:7px}
#btMeasureDialog .bt3-counter button{width:42px;height:42px;flex:none;background:var(--track);color:var(--text-main);border:0;border-radius:9px;font:inherit;font-size:22px;cursor:pointer}
#btMeasureDialog .bt3-counter>div{display:flex;justify-content:center;align-items:baseline;flex:1;min-width:0;gap:5px;color:var(--text-sub);font-size:13px}
#btMeasureDialog .bt3-counter input{width:100%;min-width:0;max-width:130px;background:transparent;color:var(--text-main);border:0;outline:none;font:inherit;font-size:24px;text-align:center;font-weight:800;line-height:1.5}
#btMeasureDialog .bt3-counter:focus-within{border-color:var(--lv)}
#btMeasureDialog .bt3-average{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 0 0;border-top:1px solid var(--card-border);margin-top:16px;font-size:12px;color:var(--text-sub)}
#btMeasureDialog .bt3-average strong{font-size:18px;color:var(--text-main);text-align:right;font-variant-numeric:tabular-nums}
#btMeasureDialog .bt3-check{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--text-main);line-height:1.65;margin:10px 0 0}
#btMeasureDialog .bt3-check input{width:16px;height:16px;accent-color:var(--lv);flex:none;margin-top:2px}
@media(max-width:760px){#baetamCard .in input{font-size:16px}.main-content .split{grid-template-columns:minmax(0,1fr)}}
@media(max-width:380px){#btMeasureDialog .bt3-dialogbody{padding:22px 16px}#btMeasureDialog .bt3-dialoghead{padding:16px}#baetamCard .bt3-total{padding:12px}#baetamCard .bt3-modes button{font-size:11.5px}}
@media(prefers-reduced-motion:reduce){#baetamCard *{scroll-behavior:auto}}