/* NHIP · V2.30 — Bộ chọn mã (Biểu đồ + Phân tích). Nền không tối: lớp phía sau trong suốt, chỉ dùng để chạm ra ngoài là đóng. */
html body .cp-id h1#cp-sym.spk-trg{display:flex;align-items:center;gap:10px;width:fit-content;max-width:100%;cursor:pointer;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none;border-radius:10px}
h1#cp-sym.spk-trg::after{content:"";flex:0 0 auto;width:.26em;height:.26em;border-right:.07em solid currentColor;border-bottom:.07em solid currentColor;transform:rotate(45deg) translate(-8%,-8%);opacity:.5;transition:transform .15s,opacity .15s}
h1#cp-sym.spk-trg[aria-expanded="true"]::after{transform:rotate(225deg) translate(-8%,-8%);opacity:.9}
h1#cp-sym.spk-trg:hover::after{opacity:.9}
h1#cp-sym.spk-trg:focus-visible{outline:2px solid var(--brand-line,#14c29a);outline-offset:4px}

#spk{position:fixed;inset:0;z-index:95;width:auto;max-width:none;max-height:none}
#spk[hidden]{display:none}
#spk .spk-bg{position:absolute;inset:0;background:transparent}
#spk .spk-box{position:absolute;left:0;right:0;bottom:0;display:flex;flex-direction:column;height:min(74dvh,640px);background:var(--surface,#fff);color:var(--text,#173b5d);
  border:1px solid var(--line2,var(--line,#e0eeef));border-bottom:0;border-radius:22px 22px 0 0;box-shadow:0 -12px 40px #0003;padding:8px 14px 0;animation:spkup .18s ease-out}
@keyframes spkup{from{transform:translateY(30px);opacity:.4}to{transform:none;opacity:1}}
#spk .spk-grip{width:42px;height:4px;border-radius:4px;background:var(--line2,#d6e3e6);margin:2px auto 8px;flex:none}
#spk .spk-hd{display:flex;align-items:center;justify-content:space-between;gap:10px;flex:none;margin:0 2px 8px}
#spk .spk-tt{min-width:0;display:flex;flex-direction:column;gap:2px}
#spk .spk-tt b{font-size:16px;font-weight:800;letter-spacing:.01em}
#spk .spk-tt span{font-size:12px;color:var(--muted,#71879b);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#spk .spk-x{flex:none;width:36px;height:36px;border-radius:12px;border:1px solid var(--line,#e0eeef);background:var(--surface2,#f6fbff);color:var(--text,inherit);font-size:22px;line-height:1;cursor:pointer}
#spk .spk-sr{flex:none;margin-bottom:8px}
#spk .spk-sr input{width:100%;min-height:44px;padding:0 14px;border-radius:12px;border:1px solid var(--line2,var(--line,#e0eeef));background:var(--surface2,#f6fbff);color:var(--text,inherit);font:inherit;font-size:16px;box-sizing:border-box;outline:0}
#spk .spk-sr input:focus{border-color:var(--brand-line,#14c29a);box-shadow:0 0 0 3px var(--brand-soft,#e4f8f2)}
#spk .spk-list{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;margin:0 -6px;padding:0 6px calc(12px + env(safe-area-inset-bottom,0px))}
#spk .spk-gh{position:sticky;top:0;z-index:1;padding:6px 8px;font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--muted,#71879b);background:var(--surface,#fff);text-transform:uppercase}
#spk .spk-it{display:flex;align-items:center;gap:12px;width:100%;min-height:52px;padding:8px 10px;border:0;border-radius:12px;background:none;color:inherit;font:inherit;text-align:left;cursor:pointer;-webkit-tap-highlight-color:transparent}
#spk .spk-it:hover,#spk .spk-it.act{background:var(--surface2,#f1f6f8)}
#spk .spk-it.on{background:var(--brand-soft,#e4f8f2);color:var(--brand-ink,inherit)}
#spk .spk-s{flex:0 0 64px;font-size:15px;font-weight:800;letter-spacing:.2px}
#spk .spk-n{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}
#spk .spk-nm{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#spk .spk-n small{font-size:11.5px;color:var(--muted,#71879b);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#spk .spk-ck{flex:none;width:7px;height:12px;border-right:2.5px solid currentColor;border-bottom:2.5px solid currentColor;transform:rotate(45deg) translateY(-2px)}
#spk .spk-empty{padding:28px 12px;text-align:center;font-size:14px;line-height:1.5;color:var(--muted,#71879b)}
#spk .spk-empty b{color:var(--text,inherit)}

/* Máy tính / màn hình rộng: hộp nhỏ nằm ngay dưới tên mã */
@media (min-width:901px){
  #spk .spk-box.pop{right:auto;bottom:auto;height:min(520px,calc(100dvh - 24px));border-radius:16px;border-bottom:1px solid var(--line2,var(--line,#e0eeef));box-shadow:0 18px 50px #173b5d33;padding-top:12px;animation:none}
  #spk .spk-box.pop .spk-grip{display:none}
}