.pdh-dialog {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.pdh-dialog[hidden] { display: none !important; }
.pdh-dialog-back {
  position: absolute;
  inset: 0;
  background: rgba(58, 32, 22, 0.42);
}
.pdh-dialog-card {
  position: relative;
  width: min(420px, 100%);
  background: #fffdf9;
  border: 1px solid #e8d4c0;
  border-radius: 18px;
  padding: 20px 18px 16px;
  box-shadow: 0 18px 40px rgba(58, 32, 22, 0.18);
}
.pdh-dialog-card h3 {
  margin: 0 0 8px;
  font-family: "Bebas Neue", "Segoe UI", sans-serif;
  letter-spacing: 0.04em;
  font-size: 1.45rem;
  font-weight: 400;
}
.pdh-dialog-card p {
  margin: 0;
  color: #3a2016;
  line-height: 1.45;
  white-space: pre-wrap;
}
.pdh-dialog-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}
.pdh-dialog-actions button {
  min-height: 40px;
  padding: 8px 14px;
  border-radius: 12px;
  border: 1px solid #e8d4c0;
  background: #fff;
  font-weight: 700;
  cursor: pointer;
}
.pdh-dialog-actions .pdh-ok {
  background: #d62828;
  border-color: #d62828;
  color: #fff;
}
.pdh-dialog-actions .pdh-ok.soft {
  background: #c9892a;
  border-color: #c9892a;
}
body.pdh-help-open { overflow: hidden; }
.pdh-help { z-index: 90; align-items: stretch; }
.pdh-help-card {
  width: min(860px, 100%);
  max-height: min(92vh, 920px);
  display: flex;
  flex-direction: column;
  padding: 14px 16px 12px;
}
.pdh-help-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}
.pdh-help-head h3 {
  flex: 1;
  min-width: 0;
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.15;
}
.pdh-help-nav {
  flex: 0 0 auto;
  margin: 0;
  padding: 4px 10px;
  border: 1px solid #e8d4c0;
  border-radius: 999px;
  background: #fff;
  color: #7a5648;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}
.pdh-help-nav:hover { color: #3a2016; border-color: #c9892a; }
.pdh-help-close {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  margin: 0;
  padding: 0;
  border: 1px solid #e8d4c0;
  border-radius: 12px;
  background: #fff;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}
.pdh-help-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding: 4px 4px 12px;
  color: #3a2016;
  line-height: 1.5;
}
.pdh-help-body :is(h1, h2, h3, h4) { font-family: "Bebas Neue", "Segoe UI", sans-serif; letter-spacing: 0.03em; font-weight: 400; }
.pdh-help-body h1 { margin: 0 0 8px; font-size: 1.9rem; }
.pdh-help-body h2 {
  margin: 22px 0 10px;
  padding-bottom: 4px;
  border-bottom: 2px solid #d62828;
  color: #d62828;
  font-size: 1.25rem;
}
.pdh-help-body h3 { margin: 16px 0 6px; font-size: 1.08rem; }
.pdh-help-body p { margin: 0 0 10px; white-space: normal; }
.pdh-help-body ul, .pdh-help-body ol { margin: 0 0 12px; padding-left: 1.2rem; }
.pdh-help-body li { margin: 4px 0; }
.pdh-help-body a { color: #c9892a; font-weight: 700; }
.pdh-help-body .cover {
  min-height: 0;
  margin: 0 0 16px;
  padding: 8px 2px 0;
  background: none;
}
.pdh-help-body .badge {
  display: inline-block;
  background: #d62828;
  color: #fff;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}
.pdh-help-body .kicker {
  color: #c9892a;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}
.pdh-help-body .muted, .pdh-help-body .foot { color: #7a5648; }
.pdh-help-body .box,
.pdh-help-body .warn,
.pdh-help-body .ok,
.pdh-help-body .see,
.pdh-help-body .tip,
.pdh-help-body .step {
  border-radius: 12px;
  padding: 10px 12px;
  margin: 10px 0;
}
.pdh-help-body .box { background: #fff6ec; border: 1px solid #e8d4c0; }
.pdh-help-body .ok { background: #e8f6ee; border: 1px solid #b7e0c6; }
.pdh-help-body .warn { background: #fff1e6; border: 1px solid #f0c9a0; }
.pdh-help-body .see { background: #eef4fb; border: 1px solid #c5d6ea; }
.pdh-help-body .tip { background: #fff8e6; border: 1px solid #e8d48a; }
.pdh-help-body .step { background: #fff; border: 1px solid #e8d4c0; border-left: 4px solid #c9892a; }
.pdh-help-body table { width: 100%; border-collapse: collapse; font-size: 0.88rem; margin: 8px 0 14px; }
.pdh-help-body th, .pdh-help-body td { border: 1px solid #e8d4c0; padding: 6px 8px; text-align: left; vertical-align: top; }
.pdh-help-body th { background: #fff6ec; }
.pdh-help-body figure { margin: 10px 0 14px; }
.pdh-help-body figcaption { font-size: 0.82rem; color: #7a5648; margin-top: 5px; font-style: italic; }
.pdh-help-body .screen { border: 1px solid #e8d4c0; border-radius: 14px; overflow: hidden; background: #fff6ec; }
.pdh-help-body .chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: #3a2016;
  color: #fff;
  font-size: 0.78rem;
}
.pdh-help-body .chrome i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.pdh-help-body .chrome i:nth-child(1) { background: #ff5f57; }
.pdh-help-body .chrome i:nth-child(2) { background: #febc2e; }
.pdh-help-body .chrome i:nth-child(3) { background: #28c840; }
.pdh-help-body .win { padding: 10px; }
.pdh-help-body .tabs { display: flex; flex-wrap: wrap; gap: 5px; margin: 0 0 8px; }
.pdh-help-body .tab {
  padding: 5px 8px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #e8d4c0;
  font-size: 0.72rem;
  font-weight: 700;
}
.pdh-help-body .tab.on { background: #d62828; border-color: #d62828; color: #fff; }
.pdh-help-body .grid2 { display: grid; grid-template-columns: minmax(0, 38%) minmax(0, 1fr); gap: 8px; }
.pdh-help-body .card { background: #fff; border: 1px solid #e8d4c0; border-radius: 10px; padding: 8px; }
.pdh-help-body .row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  padding: 6px 8px;
  border: 1px solid #e8d4c0;
  border-radius: 8px;
  background: #fff;
  margin: 0 0 5px;
  font-size: 0.82rem;
}
.pdh-help-body .row.on { border-color: #d62828; background: #fff1ee; }
.pdh-help-body .btn {
  display: inline-block;
  padding: 5px 9px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  background: #d62828;
  color: #fff;
}
.pdh-help-body .btn.gold { background: #c9892a; }
.pdh-help-body .btn.ghost { background: #fff; color: #3a2016; border: 1px solid #e8d4c0; }
.pdh-help-body .field { margin: 0 0 7px; }
.pdh-help-body .field label { display: block; font-size: 0.75rem; color: #7a5648; margin: 0 0 2px; }
.pdh-help-body .fake {
  height: 22px;
  border: 1px solid #e8d4c0;
  border-radius: 6px;
  background: #fff;
  padding: 4px 7px;
  font-size: 0.78rem;
}
.pdh-help-body .books { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.pdh-help-body .book {
  display: block;
  text-decoration: none;
  border: 1px solid #e8d4c0;
  border-radius: 12px;
  padding: 10px 12px;
  background: #fff;
  color: inherit;
}
.pdh-help-body .book:hover { border-color: #c9892a; background: #fff8ea; }
.pdh-help-body .book strong { display: block; color: #3a2016; }
.pdh-help-body .book span { color: #7a5648; font-size: 0.82rem; }
.pdh-help-body .kbd {
  display: inline-block;
  border: 1px solid #e8d4c0;
  background: #fff;
  border-radius: 5px;
  padding: 0 6px;
  font-size: 0.85rem;
  font-weight: 700;
}
.pdh-help-body .bigstep {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 8px;
  align-items: start;
  margin: 8px 0;
}
.pdh-help-body .nr {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #c9892a;
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pdh-help-body .addr {
  font-family: Consolas, "Courier New", monospace;
  background: #fff;
  border: 1px solid #e8d4c0;
  border-radius: 8px;
  padding: 8px 10px;
  word-break: break-all;
}
.pdh-help-body .toc { padding-left: 1.2rem; }
.pdh-help-status { color: #7a5648; }
.pdh-help-body .shot { margin: 12px 0 16px; }
.pdh-help-body .shot img,
.pdh-help-body img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid #e8d4c0;
  border-radius: 14px;
  background: #fff;
}
@media (max-width: 720px) {
  .pdh-help { padding: 8px; }
  .pdh-help-card { max-height: 96vh; }
  .pdh-help-body .books,
  .pdh-help-body .grid2 { grid-template-columns: 1fr; }
}