/* Trắc nghiệm MBTI - giao diện 2 cột. TẤT CẢ class có tiền tố mbti- để không đụng theme. */
#mbtic-app{
  --bg1:#eef2ff;--card:#ffffff;--soft:#f3f5fc;--soft2:#eef1fb;
  --accent:#6c5ce7;--accent2:#00a8c6;--text:#1f2433;--muted:#5b6477;--line:#e4e8f4;
  --good:#16a05f;--review:#7c5cff;--bad:#e23d5b;--radius:16px;
  display:block;max-width:1080px;margin:24px auto;
  font-family:'Roboto','Segoe UI',system-ui,-apple-system,Arial,sans-serif;color:var(--text);
  font-size:16px;line-height:1.55;
}
#mbtic-app *{box-sizing:border-box}
/* Reset margin do theme chen vao (tranh ho khoang trong giua the/dap an). */
#mbtic-app .mbti-stage>*,#mbtic-app .mbti-row>*,#mbtic-app .mbti-main>*,#mbtic-app .mbti-opt,#mbtic-app .mbti-navbar>*,#mbtic-app .mbti-q-head>*{margin:0 !important}
#mbtic-app .mbti-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 36px -20px rgba(60,70,120,.4)}
#mbtic-app .mbti-pad{padding:30px}
#mbtic-app .mbti-hide{display:none !important}
#mbtic-app .mbti-center{text-align:center}
#mbtic-app .mbti-spin{color:var(--muted);text-align:center;padding:40px}
/* intro/gate/result: thẻ hẹp, căn giữa */
#mbtic-app .mbti-hero,#mbtic-app [data-el="gate"],#mbtic-app [data-el="result"]{max-width:700px;margin-left:auto;margin-right:auto}

/* Intro */
#mbtic-app .mbti-hero{text-align:center;overflow:hidden}
#mbtic-app .mbti-badge{display:inline-block;border-radius:99px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#fff;
  background:linear-gradient(90deg,var(--accent),var(--accent2));padding:6px 14px;margin-bottom:18px;font-weight:600;line-height:1.4}
#mbtic-app .mbti-h1{font-size:26px;line-height:1.28;margin:0 0 12px;color:var(--text);font-weight:800}
#mbtic-app .mbti-lead{color:var(--muted);font-size:15.5px;line-height:1.7;max-width:540px;margin:0 auto 24px}
#mbtic-app .mbti-intro-msg{color:var(--bad);font-size:14px;font-weight:600;margin-top:14px;min-height:18px}
#mbtic-app .mbti-vers{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:6px 0 22px}
#mbtic-app .mbti-vers button{background:var(--soft);border:1.5px solid var(--line);color:var(--text);
  padding:10px 18px;border-radius:14px;font-size:15px;cursor:pointer;transition:.18s;line-height:1.3;font-weight:600;text-transform:none}
#mbtic-app .mbti-vers button:hover{border-color:var(--accent)}
#mbtic-app .mbti-vers button.mbti-on{background:linear-gradient(90deg,var(--accent),var(--accent2));border-color:transparent;color:#fff}
#mbtic-app .mbti-btn{appearance:none;border:0;cursor:pointer;font-size:16px;font-weight:700;padding:13px 26px;border-radius:12px;color:#fff;
  background:linear-gradient(90deg,var(--accent),var(--accent2));box-shadow:0 10px 22px -10px rgba(108,92,231,.8);transition:transform .15s;text-transform:none}
#mbtic-app .mbti-btn:hover{transform:translateY(-2px)}
#mbtic-app .mbti-btn:disabled{opacity:.45;cursor:not-allowed;transform:none;filter:grayscale(.4);box-shadow:none}

/* ===== KHU LÀM BÀI 2 CỘT (flex, khong keo gian) ===== */
#mbtic-app .mbti-stage{display:flex;flex-direction:column;gap:18px}
#mbtic-app .mbti-headcard{padding:22px 26px}
#mbtic-app .mbti-row{display:flex;gap:18px;align-items:flex-start}
#mbtic-app .mbti-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:16px}
#mbtic-app .mbti-side{flex:0 0 330px}
#mbtic-app .mbti-head-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}
#mbtic-app .mbti-quiz-title{font-size:20px;font-weight:800;color:var(--text);line-height:1.3;text-transform:none}
#mbtic-app .mbti-timer{flex:0 0 auto;background:#eef2ff;color:#6c5ce7;font-weight:700;font-variant-numeric:tabular-nums;
  white-space:nowrap;padding:7px 14px;border-radius:999px;font-size:15px}
#mbtic-app .mbti-timer-low{background:#fde2e2;color:var(--bad);animation:mbti-pulse 1s infinite}
#mbtic-app .mbti-bar{height:9px;background:var(--soft);border-radius:99px;overflow:hidden}
#mbtic-app .mbti-bar>i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,#6c5ce7,#00a8c6);transition:width .3s ease}
#mbtic-app .mbti-prow{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--muted);margin-top:10px}

/* Thẻ câu hỏi */
#mbtic-app .mbti-qcard{padding:26px}
#mbtic-app .mbti-q-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:20px}
#mbtic-app .mbti-qnum{flex:0 0 auto;width:38px;height:38px;border-radius:50%;background:#eaf0ff;color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
#mbtic-app .mbti-qtext{font-size:19px;font-weight:700;line-height:1.45;color:var(--text);padding-top:6px;text-transform:none}
#mbtic-app .mbti-opts{display:flex;flex-direction:column;gap:12px}
#mbtic-app .mbti-opt{display:flex;align-items:center;gap:14px;text-align:left;width:100%;cursor:pointer;
  background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:15px 18px;font-size:16px;color:var(--text);transition:.15s;text-transform:none}
#mbtic-app .mbti-opt:hover{border-color:var(--accent);background:var(--soft2)}
#mbtic-app .mbti-opt-letter{flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1.5px solid #c7cfe0;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:var(--muted);transition:.15s}
#mbtic-app .mbti-opt-text{flex:1;font-weight:400;line-height:1.35}
#mbtic-app .mbti-opt.mbti-sel{border-color:var(--accent);background:#eef0ff}
#mbtic-app .mbti-opt.mbti-sel .mbti-opt-letter{background:#6c5ce7;border-color:#6c5ce7;color:#fff}

/* Nút đánh dấu xem lại */
#mbtic-app .mbti-review-row{display:flex;justify-content:center;margin-top:18px}
#mbtic-app .mbti-review-btn{cursor:pointer;border:1.5px solid #e3d9ff;background:#f4efff;color:var(--review);font-weight:600;font-size:14px;
  padding:9px 18px;border-radius:10px;transition:.15s;text-transform:none}
#mbtic-app .mbti-review-btn:hover{border-color:var(--review)}
#mbtic-app .mbti-review-btn.mbti-on{background:#7c5cff;border-color:#7c5cff;color:#fff}

/* Điều hướng dưới */
#mbtic-app .mbti-navbar{display:flex;justify-content:space-between;gap:12px}
#mbtic-app .mbti-nav-back,#mbtic-app .mbti-nav-next{cursor:pointer;border:0;border-radius:10px;padding:12px 24px;font-size:15px;font-weight:700;transition:.15s;text-transform:none}
#mbtic-app .mbti-nav-back{background:var(--soft);border:1.5px solid var(--line);color:var(--text)}
#mbtic-app .mbti-nav-back:hover{border-color:var(--accent)}
#mbtic-app .mbti-nav-back:disabled{opacity:.4;cursor:not-allowed}
#mbtic-app .mbti-nav-next{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 8px 18px -10px rgba(108,92,231,.8)}
#mbtic-app .mbti-nav-next:hover{transform:translateY(-1px)}
#mbtic-app .mbti-nav-next.mbti-finish{background:linear-gradient(90deg,#16a05f,#23c08a)}

/* Bảng theo dõi (cột phải) */
#mbtic-app .mbti-sidecard{padding:20px}
#mbtic-app .mbti-side-title{text-align:center;font-weight:700;font-size:16px;margin-bottom:16px;color:var(--text)}
#mbtic-app .mbti-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(34px,1fr));gap:8px;margin-bottom:16px}
#mbtic-app .mbti-qcell{aspect-ratio:1;min-width:0;display:flex;align-items:center;justify-content:center;border-radius:50%;
  background:#eef1f7;border:2px solid transparent;color:var(--muted);font-size:13px;font-weight:700;cursor:pointer;padding:0;transition:.12s}
#mbtic-app .mbti-qcell:hover{filter:brightness(.96);transform:translateY(-1px)}
#mbtic-app .mbti-qcell-done{background:#16a05f;color:#fff}
#mbtic-app .mbti-qcell-review{background:#7c5cff;color:#fff}
#mbtic-app .mbti-qcell-cur{box-shadow:0 0 0 3px #6c5ce7;z-index:1}
#mbtic-app .mbti-submit-big{width:100%;cursor:pointer;border:0;border-radius:10px;padding:13px;font-size:16px;font-weight:800;color:#fff;
  background:linear-gradient(90deg,#16a05f,#23c08a);box-shadow:0 10px 22px -10px rgba(22,160,95,.85);transition:.15s;margin-bottom:14px;text-transform:none}
#mbtic-app .mbti-submit-big:hover{filter:brightness(1.05)}
#mbtic-app .mbti-submit-big.mbti-shake{animation:mbti-shake .5s}
#mbtic-app .mbti-submit-warn{color:var(--bad);font-weight:600;font-size:13.5px;text-align:center;line-height:1.4;margin:-4px 0 12px;min-height:0}
#mbtic-app .mbti-submit-warn:empty{display:none}
#mbtic-app .mbti-legend{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
#mbtic-app .mbti-lg{display:inline-flex;align-items:center;gap:6px}
#mbtic-app .mbti-lg::before{content:"";width:11px;height:11px;border-radius:50%;display:inline-block}
#mbtic-app .mbti-lg-done::before{background:#16a05f}
#mbtic-app .mbti-lg-todo::before{background:#cdd4e1}
#mbtic-app .mbti-lg-review::before{background:#7c5cff}

@keyframes mbti-shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@keyframes mbti-pulse{0%,100%{opacity:1}50%{opacity:.6}}

/* Cổng mã xác nhận */
#mbtic-app .mbti-gate-title{font-size:21px;margin-bottom:6px;text-align:center;color:var(--text);font-weight:700}
#mbtic-app .mbti-gate-sub{color:var(--muted);text-align:center;margin-bottom:16px;font-size:14px}
#mbtic-app .mbti-guide{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:16px;
  line-height:1.7;font-size:15.5px;max-height:48vh;overflow:auto;color:#1f2433}
#mbtic-app .mbti-guide img{max-width:100%;height:auto;border-radius:8px;margin:8px 0}
#mbtic-app .mbti-guide a{color:var(--accent)}
#mbtic-app .mbti-codebox{display:flex;gap:10px;margin-top:8px}
#mbtic-app .mbti-codebox input{flex:1;background:#f4f1ff;border:2px solid var(--accent);color:var(--text);border-radius:12px;
  padding:15px 16px;font-size:18px;font-weight:700;text-align:center;text-transform:none;box-shadow:0 0 0 4px rgba(108,92,231,.12);transition:.15s}
#mbtic-app .mbti-codebox input::placeholder{color:var(--accent);opacity:.75;font-weight:700}
#mbtic-app .mbti-codebox input:focus{outline:0;border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px rgba(108,92,231,.24)}
#mbtic-app .mbti-msg{min-height:20px;font-size:14px;margin-top:10px;text-align:center}
#mbtic-app .mbti-msg.mbti-err{color:var(--bad);font-weight:600}
#mbtic-app .mbti-msg.mbti-ok{color:var(--good)}
#mbtic-app .mbti-copy-btn{display:inline-flex;align-items:center;gap:8px;cursor:pointer;border:0;
  background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff;font-weight:700;font-size:15px;
  padding:8px 14px;border-radius:9px;margin:4px 0;vertical-align:middle;line-height:1.3;text-transform:none}
#mbtic-app .mbti-copy-btn:hover{filter:brightness(1.07)}
#mbtic-app .mbti-copy-kw{white-space:normal}
#mbtic-app .mbti-copy-ic{font-size:17px;line-height:1;opacity:.95}

/* Kết quả MBTI */
#mbtic-app .mbti-res-head{text-align:center;margin-bottom:16px}
#mbtic-app .mbti-type-code{font-size:52px;font-weight:800;letter-spacing:.05em;
  background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
#mbtic-app .mbti-type-name{font-size:21px;margin-top:2px;color:var(--text);font-weight:700}
#mbtic-app .mbti-desc{color:var(--muted);line-height:1.7;font-size:15.5px;margin:12px 0 20px;text-align:center}
#mbtic-app .mbti-info{display:grid;gap:11px;margin-bottom:20px}
#mbtic-app .mbti-info .mbti-box{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:13px 16px}
#mbtic-app .mbti-info .mbti-box h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);margin:0 0 5px}
#mbtic-app .mbti-info .mbti-box p{font-size:15px;line-height:1.5;margin:0;color:var(--text)}
#mbtic-app .mbti-axes{display:flex;flex-direction:column;gap:13px;margin-bottom:22px}
#mbtic-app .mbti-axis .mbti-row{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:6px}
#mbtic-app .mbti-axis .mbti-track{height:11px;background:var(--soft);border-radius:99px;position:relative;overflow:hidden}
#mbtic-app .mbti-axis .mbti-fill{position:absolute;top:0;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent2))}
#mbtic-app .mbti-strong{color:var(--text);font-weight:700}
#mbtic-app .mbti-footnote{color:var(--muted);font-size:12px;text-align:center;margin-top:16px}

/* ===== Tablet/Mobile: 1 cột (đầu -> bảng theo dõi -> câu hỏi) ===== */
@media(max-width:860px){
  #mbtic-app{margin:12px auto}
  #mbtic-app .mbti-row{flex-direction:column;align-items:stretch}
  #mbtic-app .mbti-side{flex-basis:auto;order:-1}
  /* Luoi 70 o tren mobile: gioi han chieu cao + cuon trong khung cho gon */
  #mbtic-app .mbti-grid{max-height:230px;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:2px}
}
@media(max-width:560px){
  #mbtic-app{font-size:15px}
  #mbtic-app .mbti-pad{padding:18px}
  #mbtic-app .mbti-headcard{padding:16px 18px}
  #mbtic-app .mbti-qcard{padding:18px}
  #mbtic-app .mbti-h1{font-size:21px}
  #mbtic-app .mbti-quiz-title{font-size:17px}
  #mbtic-app .mbti-qtext{font-size:17px}
  #mbtic-app .mbti-opt{font-size:15px;padding:13px 14px;gap:11px}
  #mbtic-app .mbti-opt-letter{width:27px;height:27px;font-size:13px}
  #mbtic-app .mbti-nav-back,#mbtic-app .mbti-nav-next{padding:11px 16px;font-size:14px;flex:1}
  #mbtic-app .mbti-codebox{flex-direction:column}
  #mbtic-app .mbti-codebox input{font-size:16px}
  #mbtic-app .mbti-type-code{font-size:44px}
}