/* Approved 2026-10-12: choose the mode above the separate birth action. */
#introScreen .birth-start-inline{padding:0;background:transparent;color:var(--ink);border:0;border-radius:0;overflow:visible}
#introScreen .birth-mode-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:0 0 13px;font:15px/1.4 system-ui,sans-serif;letter-spacing:-.03em}
#introScreen .birth-mode-heading strong{font-weight:700}
#introScreen .birth-mode-heading>span{font-size:12px;font-weight:400;color:var(--muted)}
#introScreen .birth-mode-choice{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-items:stretch;margin:0 0 18px;padding:0}
#introScreen .birth-mode-choice label{display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;min-width:0;min-height:108px;margin:0;padding:17px 13px 16px;border:1.5px solid #44444b;border-radius:14px;background:#232326;color:var(--ink);text-align:left;white-space:normal;cursor:pointer;transition:border-color .15s,background .15s}
#introScreen .birth-mode-choice label:has(input:checked){border-color:var(--accent);background:#292d20;color:var(--ink)}
#introScreen .birth-mode-choice label:has(input:focus-visible){outline:2px solid var(--ink);outline-offset:3px}
#introScreen .birth-mode-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:750;line-height:1.35;letter-spacing:-.035em}
#introScreen .birth-mode-radio{display:grid;place-items:center;width:19px;height:19px;flex:none;border:1.5px solid #74747c;border-radius:50%;color:transparent;font-size:13px;line-height:1;font-weight:900}
#introScreen label:has(input:checked) .birth-mode-radio{border-color:var(--accent);background:var(--accent);color:#171719}
#introScreen .birth-mode-description{display:block;margin-top:11px;font-size:12px;font-weight:400;line-height:1.6;letter-spacing:-.015em;color:#b5b5ba;word-break:keep-all;overflow-wrap:break-word}
#introScreen label:has(input:checked) .birth-mode-description{color:#c8ceba}
#introScreen .birth-start-inline>#startRandom{min-height:64px;margin:0!important;padding:16px 21px;border:0;border-radius:14px;font-size:18px;font-weight:750;text-align:left;justify-content:flex-start}
#introScreen #startRandom .birth-action-label{margin:0;max-width:calc(100% - 26px)}
#introScreen #startRandom .birth-action-arrow{right:21px;font-size:23px}
#homeRandomDock{padding:8px max(12px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom));border:0;border-radius:0;box-shadow:none;background:rgba(23,23,25,.96)}
#homeRandomDock>.birth-start-area{padding:0;border:0;border-radius:14px;background:transparent}
#homeRandomDock #startRandomFixed{min-height:54px;padding:13px 21px;border:0;border-radius:14px;font-size:16px;font-weight:750;text-align:left;justify-content:flex-start}
#homeRandomDock .birth-action-arrow{right:21px;font-size:22px}
@media(max-width:359px){
  #introScreen .birth-mode-choice{gap:8px}
  #introScreen .birth-mode-choice label{padding:14px 10px}
  #introScreen .birth-mode-title{font-size:13px;gap:6px}
  #introScreen .birth-mode-radio{width:17px;height:17px;font-size:12px}
  #introScreen .birth-mode-description{font-size:11px}
  #introScreen .birth-start-inline>#startRandom{font-size:16px;padding:15px 17px}
}