:root{
  --bg:#fff8f3;--surface:#fffdfb;--surface-2:#fff2e8;--text:#2f243a;--muted:#73657b;
  --primary:#c05a3d;--primary-2:#8f3f88;--accent:#1b9a90;--accent-2:#e8a317;
  --good:#2d8a56;--warn:#bf7b12;--bad:#b84747;--border:#ead6c9;--shadow:0 14px 36px rgba(76,32,58,.09);--radius:22px;
}
.bta21-app *{box-sizing:border-box}
.bta21-app{
  max-width:1240px;margin:0 auto;padding:18px 14px 40px;
  font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--text)
}
.bta21-hero{
  background:linear-gradient(135deg,#4d2f52,#8f3f88 55%,#d66a4a);
  color:#fff;border-radius:30px;padding:24px;box-shadow:var(--shadow);margin-bottom:18px;overflow:hidden;position:relative
}
.bta21-hero::after{
  content:"";position:absolute;inset:auto -80px -100px auto;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.08)
}
.bta21-hero-top{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:flex-start;position:relative;z-index:2}
.bta21-brand{font-weight:800;font-size:1.08rem;letter-spacing:.2px}
.bta21-brand small{display:block;margin-top:6px;font-weight:500;opacity:.88;font-size:.92rem;max-width:800px;line-height:1.55}
.bta21-flag-switch{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.bta21-flag-btn{
  border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.12);color:#fff;border-radius:999px;width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:22px;line-height:1;transition:.18s ease;box-shadow:0 6px 12px rgba(0,0,0,.08)
}
.bta21-flag-btn:hover{transform:translateY(-1px) scale(1.04)}
.bta21-flag-btn.active{background:#fff;color:#3d2346;border-color:#fff}
.bta21-hero h1{margin:14px 0 10px;font-size:clamp(2rem,4vw,3.1rem);line-height:1.06;position:relative;z-index:2}
.bta21-hero p{margin:0;max-width:920px;line-height:1.75;opacity:.96;position:relative;z-index:2}
.bta21-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.bta21-pills{display:flex;gap:10px;flex-wrap:wrap}
.bta21-pill{background:#fff1e7;color:#7a3d31;border:1px solid #efcfbb;border-radius:999px;padding:8px 12px;font-size:.92rem;font-weight:800}
.bta21-pill.alt{background:#f6ebff;border-color:#e0c3ee;color:#7a3584}
.bta21-pill.good{background:#ecfbf2;border-color:#bde7cb;color:#216742}
.bta21-progress-wrap{width:260px;height:10px;background:#f3dccc;border-radius:999px;overflow:hidden}
.bta21-progress{width:0%;height:100%;background:linear-gradient(90deg,#e07b39,#bf4d63,#8f3f88);transition:width .28s ease}
.bta21-screen{display:none}.bta21-screen.active{display:block}
.bta21-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.bta21-panel{padding:18px}
.bta21-panel h2,.bta21-panel h3{margin:0 0 12px}
.bta21-panel-soft{background:var(--surface-2);border-color:#f0d7c8}
.bta21-subtle{color:var(--muted);line-height:1.72;font-size:.96rem}
.bta21-intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.bta21-mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}
.bta21-mini{background:var(--surface-2);border:1px solid #f0d7c8;border-radius:18px;padding:14px}
.bta21-mini strong{display:block;margin-bottom:6px;color:#6d344d}
.bta21-stage-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:18px}
.bta21-stage-step{background:#fff;border:1px solid var(--border);border-radius:16px;padding:12px 14px;font-weight:700;color:#6d5a6c;font-size:.93rem;text-align:center}
.bta21-stage-step.active{background:#fff1e7;border-color:#f0c9ae;color:#7a3d31}
.bta21-stage-step.done{background:#ecfbf2;border-color:#bde7cb;color:#216742}
.bta21-layout{display:grid;grid-template-columns:1.2fr .85fr;gap:18px;align-items:start}
.bta21-app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.bta21-app-card{
  background:#fff;border:1px solid #ecd8cb;border-radius:18px;padding:14px;cursor:pointer;transition:.18s ease;min-height:128px;display:flex;flex-direction:column;justify-content:space-between
}
.bta21-app-card:hover{transform:translateY(-2px);border-color:#d7b49d}
.bta21-app-card.selected{background:#fff1e7;border-color:#d88f61;box-shadow:0 10px 22px rgba(192,90,61,.10)}
.bta21-app-card .icon{font-size:28px;margin-bottom:10px}.bta21-app-card .name{font-weight:800;margin-bottom:6px}
.bta21-app-card .small{font-size:.88rem;color:var(--muted);line-height:1.55}
.bta21-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.bta21-chip{border:1px solid #e3c7b6;background:#fff;color:#49344f;border-radius:999px;padding:10px 12px;cursor:pointer;font:inherit;font-weight:700;transition:.18s ease}
.bta21-chip:hover{transform:translateY(-1px)}
.bta21-chip.selected{background:#f6ebff;border-color:#caa2df;color:#6d3484}
.bta21-top3{display:grid;gap:12px;margin-top:14px}
.bta21-top3-item{background:#fff8f3;border:1px solid #efddcf;border-radius:18px;padding:14px}
.bta21-top3-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:8px}
.bta21-tag{display:inline-block;padding:6px 10px;border-radius:999px;background:#ecfbf2;border:1px solid #bde7cb;color:#216742;font-size:.82rem;font-weight:800}
.bta21-benefit-risk{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.bta21-list-box{background:#fff;border:1px solid #edd9cb;border-radius:16px;padding:12px}
.bta21-list-box strong{display:block;margin-bottom:8px}
.bta21-selected-list{display:flex;flex-wrap:wrap;gap:8px}
.bta21-pill-mini{display:inline-flex;background:#fff7ed;border:1px solid #f1c9a6;color:#92400e;border-radius:999px;padding:6px 9px;font-size:.82rem;font-weight:700}
.bta21-pill-mini.risk{background:#fef2f2;border-color:#f3b5b5;color:#9d2f2f}
.bta21-feed-list{display:grid;gap:14px;margin-top:14px}
.bta21-feed-card{background:#fff;border:1px solid #ecd8cb;border-radius:20px;overflow:hidden}
.bta21-feed-card .head{padding:14px 16px;background:#fff8f3;border-bottom:1px solid #f0ddd1;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;color:#6e5c76;font-size:.9rem}
.bta21-feed-card .body{padding:16px}
.bta21-feed-card h4{margin:0 0 10px;font-size:1.12rem;line-height:1.35}
.bta21-feed-card p{margin:0 0 12px;color:#41505f;line-height:1.7}
.bta21-classify{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.bta21-classify button,.bta21-answers button{
  border:1px solid #e3c7b6;background:#fff;border-radius:14px;padding:12px 14px;font:inherit;font-weight:700;color:#40344d;cursor:pointer;transition:.18s ease;text-align:left
}
.bta21-classify button{text-align:center;padding:11px 10px}
.bta21-classify button:hover,.bta21-answers button:hover{background:#fff7f1}
.bta21-classify button.correct,.bta21-answers button.correct{background:#ecfbf2;border-color:#bde7cb;color:#216742}
.bta21-classify button.risky,.bta21-answers button.risky{background:#fef2f2;border-color:#f1bbbb;color:#9d2f2f}
.bta21-classify button.locked,.bta21-answers button.locked{pointer-events:none}
.bta21-feedback{display:none;margin-top:14px;padding:14px 16px;border-radius:16px;background:#fff9f5;border:1px solid #f0d9ca;color:#4f5564;line-height:1.75}
.bta21-feedback.show{display:block}
.bta21-reflect-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.bta21-app textarea{
  width:100%;min-height:120px;resize:vertical;border:1px solid #e3c7b6;border-radius:16px;padding:14px;font:inherit;line-height:1.6;color:#2f243a;background:#fff
}
.bta21-app textarea:focus{outline:none;border-color:#c2855f;box-shadow:0 0 0 3px rgba(192,90,61,.10)}
.bta21-question-list{display:grid;gap:14px;margin-top:14px}
.bta21-question-card{background:#fff8f3;border:1px solid #efddcf;border-radius:18px;padding:14px}
.bta21-question-card h4{margin:0 0 10px;font-size:1.04rem;line-height:1.5}
.bta21-answers{display:grid;gap:10px}
.bta21-stats{display:grid;gap:12px}
.bta21-stat{background:#fff8f3;border:1px solid #efddcf;border-radius:18px;padding:14px}
.bta21-stat .label{color:#7a6b80;font-size:.9rem;margin-bottom:6px}
.bta21-stat .value{font-size:1.6rem;font-weight:800}
.bta21-bar{margin-top:8px;height:10px;background:#f0e0d5;border-radius:999px;overflow:hidden}
.bta21-bar span{display:block;height:100%;width:0%;transition:width .25s ease;background:linear-gradient(90deg,#1b9a90,#e8a317,#d66a4a)}
.bta21-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.bta21-btn-primary,.bta21-btn-secondary,.bta21-btn-ghost{border:none;border-radius:14px;padding:13px 16px;font:inherit;font-weight:800;cursor:pointer}
.bta21-btn-primary{color:#fff;background:linear-gradient(135deg,#d66a4a,#8f3f88)}
.bta21-btn-secondary{color:#7a3d31;background:#fff1e7;border:1px solid #efcfbb}
.bta21-btn-ghost{color:#5a495f;background:#fff;border:1px solid #e7d5c9}
.bta21-btn-primary:disabled{opacity:.5;cursor:not-allowed}
.bta21-result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-top:16px}
.bta21-result-card{background:#fff8f3;border:1px solid #efddcf;border-radius:18px;padding:16px}
.bta21-small{color:#7a6b80;font-size:.92rem}
.bta21-big{font-size:1.82rem;font-weight:800;margin-top:6px}
.bta21-log{display:grid;gap:10px;margin-top:16px}
.bta21-log-item{background:#fff;border:1px solid #ead8cd;border-radius:14px;padding:12px 14px;line-height:1.72;color:#3d4b5b;font-size:.95rem}
@media (max-width:1020px){
  .bta21-layout,.bta21-intro-grid,.bta21-reflect-grid{grid-template-columns:1fr}
  .bta21-app-grid{grid-template-columns:repeat(2,1fr)}
  .bta21-stage-nav{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:700px){
  .bta21-app-grid,.bta21-benefit-risk,.bta21-classify{grid-template-columns:1fr}
  .bta21-stage-nav{grid-template-columns:1fr}
  .bta21-progress-wrap{width:100%}
  .bta21-flag-btn{width:42px;height:42px}
}
#saveStatus{display:none} #saveStatus.show{display:block}

.bta21-flag-btn{
  font-family: "Segoe UI Emoji","Apple Color Emoji","Noto Color Emoji","Twemoji Mozilla",sans-serif !important;
  font-size: 24px !important;
  line-height: 1 !important;
  text-rendering: auto !important;
}
.bta21-flag-btn span{
  display:inline-block;
  transform: translateY(1px);
}


.bta21-flag-switch{
  gap:10px;
}
.bta21-flag-btn{
  width:74px;
  height:54px;
  padding:4px;
  overflow:hidden;
  background:rgba(255,255,255,.14);
}
.bta21-flag-btn.active{
  background:#fff;
}
.bta21-flag-btn img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:12px;
}


/* v1.1.3 visual refinements */
.bta21-hero,
.bta21-hero h1,
.bta21-hero p,
.bta21-brand,
.bta21-brand small{
  color:#fff !important;
}

.bta21-hero h1{
  color:#fff !important;
  text-shadow:0 2px 8px rgba(0,0,0,.10);
}

.bta21-app a,
.bta21-app a:visited,
.bta21-app a:hover,
.bta21-app a:focus,
.bta21-app a:active,
.bta21-app button,
.bta21-app button:hover,
.bta21-app button:focus{
  color:inherit;
  text-decoration:none;
}

.bta21-flag-switch{
  gap:12px;
}

.bta21-flag-btn{
  width:84px !important;
  height:58px !important;
  padding:4px !important;
  border-radius:18px !important;
  overflow:hidden !important;
  background:rgba(255,255,255,.18) !important;
  border:1px solid rgba(255,255,255,.22) !important;
  box-shadow:0 6px 14px rgba(0,0,0,.10);
}

.bta21-flag-btn:hover{
  background:rgba(255,255,255,.28) !important;
  color:inherit !important;
}

.bta21-flag-btn.active{
  background:#ffffff !important;
  border-color:#ffffff !important;
}

.bta21-flag-btn img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:14px;
  background:#ffffff;
  border:2px solid #ffffff;
}