/* ==========================================================================
   helpme.css — trang "Hỏi ai?" (helpme.html)
   Dùng token màu của style.css. Mọi thẻ <a> dạng nút khai báo màu chữ ở cả
   :hover (quy tắc gốc a:hover thắng selector một-class — ghi chú v7.1).
   ========================================================================== */

/* ---------- Hero ---------- */
.hm-hero {
  padding: 30px 32px;
  margin: 22px 0 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--teal-100, #C7E9D9);
  background:
    radial-gradient(760px 300px at 0% 0%, #DCF2E8 0%, rgba(220, 242, 232, 0) 70%),
    linear-gradient(135deg, var(--teal-50) 0%, #FFFFFF 62%);
}
.hm-hero-eyebrow {
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-700, #0B5C48);
  margin-bottom: 10px;
}
.hm-hero-title {
  font-size: 30px;
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--teal-900);
  margin: 0 0 11px;
}
.hm-hero-lede { font-size: 14.5px; line-height: 1.65; color: var(--text-secondary); max-width: 74ch; margin: 0 0 20px; }

.hm-egs { padding-top: 17px; border-top: 1px dashed var(--teal-300, #9CD5BE); }
.hm-eg-label {
  display: block;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--teal-700, #0B5C48);
  margin-bottom: 10px;
}
.hm-eg-list { display: flex; flex-wrap: wrap; gap: 8px; }
.hm-eg {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border-radius: 99px;
  border: 1px solid var(--teal-300, #9CD5BE);
  background: #fff;
  color: var(--teal-900);
  font-family: inherit;
  font-size: 12.5px;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .1s ease;
}
.hm-eg .ti { font-size: 15px; color: var(--teal-600); flex-shrink: 0; }
.hm-eg:hover { background: var(--teal-50); border-color: var(--teal-600); transform: translateY(-1px); }

/* ---------- Tìm kiếm ---------- */
.hm-search {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: #fff;
  margin-bottom: 12px;
}
.hm-search > .ti { font-size: 18px; color: var(--text-tertiary); flex-shrink: 0; }
.hm-search input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: none;
  font-family: inherit;
  font-size: 14px;
  color: var(--text-primary);
  padding: 13px 0;
}
.hm-search input::-webkit-search-cancel-button { display: none; }
.hm-search-x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px; height: 24px;
  border-radius: 99px;
  background: var(--surface-muted);
  color: var(--text-tertiary);
  flex-shrink: 0;
}
.hm-search-x:hover { background: var(--border-strong); color: var(--text-primary); }

.hm-results { margin-bottom: 16px; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; overflow: hidden; }
.hm-hits-n {
  font-size: 11.5px;
  color: var(--text-tertiary);
  padding: 10px 16px;
  background: var(--surface-muted);
  border-bottom: 1px solid var(--border);
}
.hm-hits-n b { color: var(--text-primary); }
.hm-hit {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: #fff;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: background .12s ease;
}
.hm-hit:last-child { border-bottom: none; }
.hm-hit:hover { background: var(--teal-50); }
.hm-hit-chain { flex: 1; min-width: 0; font-size: 12.5px; line-height: 1.5; color: var(--text-primary); }
.hm-hit-chain .ti { font-size: 12px; color: var(--text-tertiary); margin: 0 5px; vertical-align: -1px; }
.hm-hit-who {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--teal-900);
  background: var(--teal-50);
  padding: 4px 10px;
  border-radius: 99px;
  white-space: nowrap;
  flex-shrink: 0;
}
.hm-hit > .ti { font-size: 16px; color: var(--teal-600); flex-shrink: 0; }
.hm-noresult { font-size: 13px; color: var(--text-tertiary); text-align: center; padding: 22px 16px; margin: 0; }

/* ---------- Bộ chọn ---------- */
.hm-chooser {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff;
  overflow: hidden;
}
.hm-crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  padding: 11px 16px;
  background: var(--surface-muted);
  border-bottom: 1px solid var(--border);
}
.hm-crumb-item {
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .12s ease, color .12s ease;
}
.hm-crumb-item .ti { font-size: 14px; vertical-align: -2px; }
.hm-crumb-item:hover { background: #fff; color: var(--teal-900); }
.hm-crumb-item.is-last { color: var(--text-primary); font-weight: 700; cursor: default; }
.hm-crumb-item.is-last:hover { background: none; }
.hm-crumb-sep { font-size: 12px; color: var(--text-tertiary); }
.hm-crumb-actions { margin-left: auto; display: flex; gap: 6px; }
.hm-crumb-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: inherit;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 5px 10px;
  border-radius: 99px;
  border: 1px solid var(--border-strong);
  background: #fff;
  cursor: pointer;
}
.hm-crumb-btn .ti { font-size: 13px; }
.hm-crumb-btn:hover { color: var(--teal-900); border-color: var(--teal-600); background: var(--teal-50); }


/* Thuộc tính [hidden] chỉ là display:none trong stylesheet mặc định của trình
   duyệt, nên bất kỳ display nào khai báo ở đây cũng đè mất nó. Phải chặn lại
   tường minh cho những phần tử có display riêng. */
.hm-crumb[hidden], .hm-search-x[hidden], .hm-results[hidden] { display: none; }

.hm-step { padding: 22px 24px 24px; }
.hm-q {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 15px;
}
.hm-opts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.hm-opt {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 15px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #fff;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, transform .1s ease, box-shadow .15s ease;
}
.hm-opt:hover {
  border-color: var(--teal-600);
  background: var(--teal-50);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(15, 110, 86, 0.09);
}
.hm-opt > .ti:first-child { font-size: 22px; color: var(--teal-600); flex-shrink: 0; }
.hm-opt-body { flex: 1; min-width: 0; }
.hm-opt-label { display: block; font-size: 13.5px; font-weight: 700; color: var(--text-primary); line-height: 1.4; }
.hm-opt-hint { display: block; font-size: 11.5px; line-height: 1.5; color: var(--text-tertiary); margin-top: 3px; }
.hm-opt-chev { font-size: 16px; color: var(--text-tertiary); flex-shrink: 0; }
.hm-opt:hover .hm-opt-chev { color: var(--teal-600); }

.hm-opt-sensitive { border-color: #C9C4F0; background: linear-gradient(135deg, #F7F6FE 0%, #FFFFFF 70%); }
.hm-opt-sensitive > .ti:first-child { color: var(--purple-800); }
.hm-opt-sensitive:hover { border-color: var(--purple-600); background: var(--purple-50); box-shadow: 0 4px 14px rgba(60, 52, 137, 0.10); }
.hm-opt-sensitive:hover .hm-opt-chev { color: var(--purple-800); }
.hm-opt-urgent > .ti:first-child { color: var(--red-600); }
.hm-opt-urgent:hover { border-color: var(--red-600); background: var(--red-50); box-shadow: 0 4px 14px rgba(163, 45, 45, 0.09); }
.hm-opt-urgent:hover .hm-opt-chev { color: var(--red-600); }

/* ---------- Ô kết quả ---------- */
.hm-ans { border-radius: var(--radius-md); }
.hm-ans-head {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.35;
}
.hm-ans-head > .ti { font-size: 24px; color: var(--teal-600); flex-shrink: 0; }
.hm-ans-sensitive .hm-ans-head > .ti { color: var(--purple-800); }

.hm-ans-cases {
  padding: 15px 17px;
  border-radius: var(--radius-md);
  background: #F7F6FE;
  border: 1px solid #E4E0F8;
  margin-bottom: 16px;
}
.hm-ans-cases-h {
  display: block;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--purple-800);
  margin-bottom: 9px;
}
.hm-ans-cases ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.hm-ans-cases li {
  position: relative;
  padding-left: 15px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-secondary);
}
.hm-ans-cases li::before {
  content: '';
  position: absolute;
  left: 0; top: 7px;
  width: 5px; height: 5px;
  border-radius: 99px;
  background: #8B82C9;
}

.hm-ans-rows { border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.hm-ans-row {
  display: grid;
  grid-template-columns: 172px minmax(0, 1fr);
  gap: 16px;
  padding: 14px 17px;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.hm-ans-row:last-child { border-bottom: none; }
.hm-ans-k {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding-top: 2px;
}
.hm-ans-k .ti { font-size: 15px; }
.hm-ans-v { font-size: 13px; line-height: 1.65; color: var(--text-secondary); }
.hm-ans-who { background: var(--teal-50); }
.hm-ans-sensitive .hm-ans-who { background: #F7F6FE; }
.hm-ans-who .hm-ans-k { color: var(--teal-800); }
.hm-ans-sensitive .hm-ans-who .hm-ans-k { color: var(--purple-800); }
.hm-ans-who strong { font-size: 15.5px; font-weight: 800; color: var(--teal-900); line-height: 1.4; display: block; }
.hm-ans-sensitive .hm-ans-who strong { color: #2A2468; }
.hm-ans-alt { display: block; font-size: 12px; line-height: 1.55; color: var(--text-secondary); margin-top: 5px; font-weight: 400; }
.hm-ans-prep { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.hm-ans-prep li {
  position: relative;
  padding-left: 17px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}
.hm-ans-prep li::before {
  content: '';
  position: absolute;
  left: 0; top: 6px;
  width: 8px; height: 8px;
  border-radius: 2px;
  border: 1.5px solid var(--teal-300, #9CD5BE);
}
.hm-ans-links { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
a.hm-ans-links, .hm-ans-links a { font-size: 12.5px; font-weight: 600; }
.hm-ans-links a { color: var(--blue-700); }
.hm-ans-links a:hover { color: var(--blue-900); }

.hm-copy {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 14px;
  padding: 8px 14px;
  border-radius: 99px;
  border: 1px solid var(--border-strong);
  background: #fff;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.hm-copy .ti { font-size: 14px; }
.hm-copy:hover { border-color: var(--teal-600); color: var(--teal-900); background: var(--teal-50); }
.hm-copy.is-done { border-color: var(--teal-600); background: var(--teal-50); color: var(--teal-900); }

.hm-note {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  margin-top: 14px;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface-muted);
  border: 1px solid var(--border);
  font-size: 12px;
  line-height: 1.65;
  color: var(--text-secondary);
}
.hm-note > .ti { font-size: 18px; flex-shrink: 0; color: var(--text-tertiary); margin-top: 1px; }

/* ---------- Bản đồ phẳng ---------- */
.hm-map { border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; }
.hm-map-sum {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 18px;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
  list-style: none;
}
.hm-map-sum::-webkit-details-marker { display: none; }
.hm-map-sum > .ti:first-child { font-size: 19px; color: var(--teal-600); }
.hm-map-chev { margin-left: auto; font-size: 17px; color: var(--text-tertiary); transition: transform .2s ease; }
.hm-map[open] .hm-map-chev { transform: rotate(180deg); }
.hm-map .hm-map-close, .hm-map[open] .hm-map-open { display: none; }
.hm-map[open] .hm-map-close { display: inline; }
.hm-map-intro { font-size: 12.5px; color: var(--text-tertiary); margin: 0; padding: 0 18px 14px; }
.hm-map-body { padding: 0 18px 18px; display: grid; gap: 16px; }
.hm-map-grp { border-top: 1px solid var(--border); padding-top: 14px; }
.hm-map-grp-h { display: flex; align-items: center; gap: 9px; margin-bottom: 10px; }
.hm-map-grp-h > .ti { font-size: 18px; color: var(--teal-600); }
.hm-map-grp-h strong { font-size: 13.5px; font-weight: 700; color: var(--text-primary); }
.hm-map-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 14px;
  padding: 7px 0 7px 27px;
  align-items: baseline;
  border-bottom: 1px dashed var(--border);
}
.hm-map-row:last-child { border-bottom: none; }
.hm-map-path { font-size: 12.5px; line-height: 1.55; color: var(--text-secondary); }
.hm-map-path .ti { font-size: 11px; color: var(--text-tertiary); margin: 0 4px; vertical-align: -1px; }
.hm-map-who { font-size: 12.5px; font-weight: 700; color: var(--teal-900); }
.hm-map-goto { color: var(--purple-800); font-weight: 600; font-style: italic; }

/* ---------- Vai trò ---------- */
.hm-roles { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 12px; }
.hm-role {
  padding: 15px 17px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #fff;
}
.hm-role strong { display: block; font-size: 13.5px; font-weight: 700; color: var(--text-primary); margin-bottom: 5px; }
.hm-role p { font-size: 12px; line-height: 1.6; color: var(--text-secondary); margin: 0; }

/* ---------- Homepage CTA ---------- */
a.hm-home-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  margin-top: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--teal-300, #9CD5BE);
  background: linear-gradient(135deg, var(--teal-50) 0%, #FFFFFF 72%);
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
a.hm-home-cta, a.hm-home-cta:hover, a.hm-home-cta:visited { color: inherit; }
a.hm-home-cta:hover {
  border-color: var(--teal-600);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(15, 110, 86, 0.10);
}
.hm-home-cta-icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  background: #fff;
  border: 1px solid var(--teal-300, #9CD5BE);
  color: var(--teal-700, #0B5C48);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}
.hm-home-cta-body { flex: 1; min-width: 0; }
.hm-home-cta-title { display: block; font-size: 14.5px; font-weight: 700; color: var(--text-primary); margin-bottom: 3px; }
.hm-home-cta-sub { display: block; font-size: 12.5px; line-height: 1.55; color: var(--text-secondary); }
.hm-home-cta-arrow { font-size: 20px; color: var(--teal-600); flex-shrink: 0; transition: transform .25s ease; }
a.hm-home-cta:hover .hm-home-cta-arrow { transform: translateX(4px); }

a.foot-hm { display: inline-flex; align-items: center; gap: 6px; }
a.foot-hm { color: var(--teal-700, #0B5C48); }
a.foot-hm:hover { color: var(--teal-900); }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .hm-ans-row { grid-template-columns: 148px minmax(0, 1fr); gap: 12px; }
  .hm-map-row { grid-template-columns: minmax(0, 1fr) 190px; }
}
@media (max-width: 860px) {
  .hm-hero { padding: 24px 20px; }
  .hm-hero-title { font-size: 25px; }
  .hm-opts { grid-template-columns: minmax(0, 1fr); }
  .hm-ans-row { grid-template-columns: minmax(0, 1fr); gap: 7px; }
  .hm-ans-k { padding-top: 0; }
  .hm-map-row { grid-template-columns: minmax(0, 1fr); gap: 4px; padding-left: 0; }
  .hm-hit { flex-wrap: wrap; gap: 8px; }
  .hm-hit-who { order: 3; }
}
@media (max-width: 620px) {
  .hm-step { padding: 18px 16px 20px; }
  .hm-q { font-size: 15.5px; }
  .hm-crumb { padding: 10px 12px; }
  .hm-crumb-actions { margin-left: 0; width: 100%; margin-top: 6px; }
  .hm-eg { font-size: 12px; padding: 8px 12px; }
  a.hm-home-cta { align-items: flex-start; padding: 14px 16px; gap: 12px; }
  .hm-home-cta-arrow { display: none; }
}