/* ==========================================================================
   MatrixHanzi Speaking v2 — styles cho các trang lộ trình & lịch sử
   (paths.html · path.html · history.html). Dùng chung token từ studio.css.
   ========================================================================== */

.st-main--wide { max-width: 1060px; }

/* ------------------------------- tiêu đề trang ------------------------------- */

.pg-head { margin: 6px 0 20px; }
.pg-head h1 {
  margin: 0;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(24px, 3.6vw, 32px);
  font-weight: 800;
}
.pg-head p { margin: 8px 0 0; color: var(--st-muted); max-width: 640px; font-size: 14.5px; }

.pg-count { color: var(--st-muted); font-size: 13px; margin: 4px 0 14px; }

/* --------------------------------- toolbar --------------------------------- */

.pg-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.pg-tabs { display: flex; gap: 8px; flex-wrap: wrap; }

.pg-tab {
  border: 1px solid var(--st-line);
  background: var(--st-paper);
  color: inherit;
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.pg-tab span {
  font-weight: 600;
  color: var(--st-muted);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
}

.pg-tab:hover { border-color: var(--st-green); color: var(--st-green); }
.pg-tab.is-active { background: var(--st-green); border-color: var(--st-green); color: #fdfbf6; }
.pg-tab.is-active span { color: color-mix(in srgb, #fdfbf6 80%, transparent); }

.pg-search {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--st-line);
  background: var(--st-paper);
  border-radius: 999px;
  padding: 9px 14px;
  color: var(--st-muted);
  min-width: 220px;
}

.pg-search input {
  border: 0;
  background: transparent;
  color: var(--st-ink);
  font: inherit;
  font-size: 13.5px;
  width: 100%;
  outline: none;
}

/* ----------------------------- thẻ lộ trình (blog) ----------------------------- */

.pc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.pc-card {
  --pc-primary: var(--st-green);
  --pc-soft: var(--st-soft);
  --pc-accent: var(--st-gold);
  display: flex;
  flex-direction: column;
  background: var(--st-paper);
  border: 1px solid var(--st-line);
  border-radius: 18px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.pc-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--pc-primary) 45%, var(--st-line));
  box-shadow: 0 18px 44px rgba(25, 40, 30, 0.13);
}

.pc-cover {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  background: var(--pc-primary);
  overflow: hidden;
}

.pc-cover img { border-radius: 0; width: 100%; height: 100%; object-fit: cover; display: block; }

.pc-cover-fallback {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background:
    radial-gradient(120% 90% at 20% 10%, color-mix(in srgb, #ffffff 18%, transparent), transparent 55%),
    linear-gradient(160deg, var(--pc-primary) 0%, color-mix(in srgb, var(--pc-primary) 65%, #10201a) 100%);
  color: #fdfbf6;
}

.pc-cover.is-fallback .pc-cover-fallback { display: flex; }
.pc-cover-fallback b { font-family: 'Noto Serif SC', serif; font-size: 34px; line-height: 1.1; }
.pc-cover-fallback i { font-style: normal; font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; opacity: 0.85; }

.pc-type {
  position: absolute;
  left: 10px;
  top: 10px;
  background: rgba(16, 28, 22, 0.55);
  color: #fff;
  backdrop-filter: blur(4px);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.pc-body { display: flex; flex-direction: column; gap: 8px; padding: 14px 15px 16px; flex: 1; }

.pc-chips { display: flex; gap: 6px; flex-wrap: wrap; }

.pc-chip {
  border-radius: 999px;
  background: var(--st-soft);
  color: var(--st-muted);
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 9px;
  white-space: nowrap;
}

.pc-chip--count { background: color-mix(in srgb, var(--pc-primary) 12%, transparent); color: var(--pc-primary); }

.pc-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.35;
}

.pc-tagline {
  color: var(--st-muted);
  font-size: 13px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pc-progress { display: flex; align-items: center; gap: 8px; margin-top: 2px; }
.pc-progress-bar { flex: 1; height: 6px; border-radius: 999px; background: var(--st-soft-2); overflow: hidden; }
.pc-progress-bar i { display: block; height: 100%; background: var(--pc-primary); border-radius: 999px; transition: width 0.35s ease; }
.pc-progress small { color: var(--st-muted); font-size: 11.5px; white-space: nowrap; }

.pc-link {
  margin-top: auto;
  padding-top: 4px;
  color: var(--pc-primary);
  font-weight: 800;
  font-size: 13.5px;
}

/* ============================== path.html — chi tiết ============================== */

.pp-breadcrumb { margin: 2px 0 14px; font-size: 13.5px; }
.pp-breadcrumb a { color: var(--st-green); text-decoration: none; font-weight: 700; }
.pp-breadcrumb a:hover { text-decoration: underline; }

.pp-hero {
  --pc-primary: var(--st-green);
  --pc-soft: var(--st-soft);
  display: grid;
  grid-template-columns: minmax(240px, 340px) 1fr;
  gap: 22px;
  align-items: start;
  background: var(--st-paper);
  border: 1px solid var(--st-line);
  border-radius: 20px;
  padding: 18px;
  margin-bottom: 20px;
}

.pp-hero-cover img {
  width: 100%;
  border-radius: 14px;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--pc-primary);
}

.pp-hero-copy h1 {
  margin: 2px 0 6px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(21px, 3vw, 27px);
  font-weight: 800;
  line-height: 1.25;
}

.pp-tagline { margin: 0; color: var(--pc-primary); font-weight: 700; font-size: 14.5px; }
.pp-description { margin: 8px 0 10px; color: var(--st-muted); font-size: 13.5px; line-height: 1.6; }

.pp-meta { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }

.pp-progress { margin-top: 6px; }
.pp-progress-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: var(--st-muted);
}
.pp-progress-head b { color: var(--pc-primary); font-size: 15px; font-variant-numeric: tabular-nums; }
.pp-progress-bar { margin-top: 8px; height: 8px; border-radius: 999px; background: var(--st-soft-2); overflow: hidden; }
.pp-progress-bar i { display: block; height: 100%; background: var(--pc-primary); border-radius: 999px; width: 0; transition: width 0.4s ease; }

/* --------------------------------- bộ lọc ---------------------------------
   Bảng lọc nằm tĩnh trong luồng trang (không sticky): khi ghim, nó chiếm gần
   hết màn hình điện thoại và che mất danh sách đang cần luyện. */

.pp-filters {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--st-soft);
  border: 1px solid var(--st-line);
  border-radius: 16px;
  padding: 12px 13px;
  margin-bottom: 16px;
}

.pp-filter-group { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }

.pp-filter-label {
  font-size: 12px;
  font-weight: 800;
  color: var(--st-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: 2px;
  min-width: 74px;
}

.pp-pill {
  border: 1px solid var(--st-line);
  background: var(--st-paper);
  color: inherit;
  border-radius: 999px;
  padding: 6px 12px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  gap: 7px;
  align-items: center;
}

.pp-pill span { color: var(--st-muted); font-size: 11.5px; font-variant-numeric: tabular-nums; }
.pp-pill:hover { border-color: var(--st-green); color: var(--st-green); }
.pp-pill.is-active { background: var(--st-green); border-color: var(--st-green); color: #fdfbf6; }
.pp-pill.is-active span { color: color-mix(in srgb, #fdfbf6 80%, transparent); }

/* --------------------------------- danh sách --------------------------------- */

.pp-list { display: flex; flex-direction: column; gap: 8px; }

.pp-row {
  display: grid;
  grid-template-columns: 40px 1fr auto auto;
  gap: 12px;
  align-items: center;
  background: var(--st-paper);
  border: 1px solid var(--st-line);
  border-radius: 14px;
  padding: 10px 14px 10px 10px;
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.pp-row.is-open { border-color: color-mix(in srgb, var(--st-green) 45%, var(--st-line)); }
.pp-row.is-done { background: color-mix(in srgb, var(--st-green) 5%, var(--st-paper)); }
.pp-row.is-next { border-color: var(--st-green); box-shadow: 0 0 0 3px color-mix(in srgb, var(--st-green) 16%, transparent); }
.pp-row.is-celebrate { animation: pp-celebrate 1.1s ease; }

@keyframes pp-celebrate {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--st-green) 45%, transparent); }
  60% { box-shadow: 0 0 0 14px color-mix(in srgb, var(--st-green) 0%, transparent); }
  100% { box-shadow: none; }
}

.pp-idx {
  font-size: 12px;
  color: var(--st-muted);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.pp-main { min-width: 0; cursor: pointer; padding: 2px 0; }
.pp-main:focus-visible { outline: 2px solid var(--st-green); border-radius: 8px; }

.pp-zh {
  font-family: 'Noto Serif SC', serif;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  word-break: break-word;
}

.pp-zh.is-long { font-size: 16px; }

.pp-pinyin { color: var(--st-gold); font-size: 12.5px; margin-top: 1px; }
.pp-vi { color: var(--st-muted); font-size: 12.5px; margin-top: 1px; }

.pp-status {
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  border-radius: 999px;
  padding: 5px 11px;
  background: var(--st-soft);
  color: var(--st-muted);
  min-width: 44px;
  text-align: center;
  white-space: nowrap;
}

.pp-status.tier-done { background: var(--st-green-soft); color: var(--st-good); }
.pp-status.tier-good { background: color-mix(in srgb, var(--st-good) 12%, transparent); color: var(--st-good); }
.pp-status.tier-mid { background: color-mix(in srgb, var(--st-amber) 16%, transparent); color: var(--st-amber); }
.pp-status.tier-low { background: color-mix(in srgb, var(--st-danger) 13%, transparent); color: var(--st-danger); }

.pp-practice {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 0;
  border-radius: 12px;
  background: var(--st-green);
  color: #fdfbf6;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  padding: 9px 13px;
  cursor: pointer;
  white-space: nowrap;
}

.pp-practice:hover { background: var(--st-green-strong); }
.pp-practice svg { flex: none; }

.pp-detail {
  grid-column: 1 / -1;
  border-top: 1px dashed var(--st-line);
  margin-top: 6px;
  padding: 10px 4px 4px;
  font-size: 13.5px;
  color: var(--st-ink);
  line-height: 1.65;
}

.pp-detail[hidden] { display: none; }
.pp-detail p { margin: 4px 0; }
.pp-detail b { color: var(--st-muted); font-weight: 700; margin-right: 4px; }
.pp-detail-empty { color: var(--st-muted); }
.pp-examples { margin-top: 6px; }
.pp-examples b { display: block; margin-bottom: 3px; }
.pp-ex { margin: 3px 0; }
.pp-ex-zh { font-family: 'Noto Serif SC', serif; font-weight: 700; font-size: 15px; }
.pp-ex i { color: var(--st-gold); font-style: normal; }
.pp-cw { display: inline-block; margin-right: 6px; }
.pp-cw i { color: var(--st-gold); font-style: normal; font-size: 12px; }

.pp-load-more {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px 0 8px;
  color: var(--st-muted);
  font-size: 12.5px;
}

/* ============================== history.html ============================== */

.ph-list { display: flex; flex-direction: column; gap: 8px; }

.ph-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  background: var(--st-paper);
  border: 1px solid var(--st-line);
  border-radius: 14px;
  padding: 11px 14px;
}

.ph-main { min-width: 0; }
.ph-text {
  font-family: 'Noto Serif SC', serif;
  font-size: 17px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ph-sub {
  color: var(--st-muted);
  font-size: 12px;
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ph-score {
  font-weight: 800;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  border-radius: 999px;
  padding: 6px 11px;
  background: var(--st-soft);
  color: var(--st-muted);
}
.ph-score.tier-done { background: var(--st-green-soft); color: var(--st-good); }
.ph-score.tier-good { background: color-mix(in srgb, var(--st-good) 12%, transparent); color: var(--st-good); }
.ph-score.tier-mid { background: color-mix(in srgb, var(--st-amber) 16%, transparent); color: var(--st-amber); }
.ph-score.tier-low { background: color-mix(in srgb, var(--st-danger) 13%, transparent); color: var(--st-danger); }

.ph-more { display: flex; justify-content: center; padding: 18px 0 4px; }

.ph-empty {
  border: 1px dashed var(--st-line);
  border-radius: 16px;
  padding: 26px 18px;
  text-align: center;
  color: var(--st-muted);
  font-size: 13.5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* --------------------------------- responsive --------------------------------- */

@media (max-width: 760px) {
  .pp-hero { grid-template-columns: 1fr; }
  .pp-hero-cover { max-width: 420px; }
  .pg-search { margin-left: 0; width: 100%; }
  /* Điện thoại: chip gọn lại, nhãn đứng riêng một dòng để bộ lọc chỉ chiếm
     hai dòng thay vì choán cả màn hình. */
  .pp-filters { gap: 10px; padding: 11px 12px; border-radius: 14px; }
  .pp-filter-group { gap: 6px; }
  .pp-pill { padding: 5px 10px; font-size: 12.5px; }
  .pp-filter-label { min-width: 100%; margin-right: 0; }
  .pp-row { grid-template-columns: 30px 1fr auto; }
  .pp-row .pp-practice span { display: none; }
  .pp-row .pp-practice { padding: 9px 10px; }
  .ph-row { grid-template-columns: 1fr auto; }
  .ph-row .pp-practice { grid-column: 2; }
  .ph-row .pp-practice span { display: none; }
}


/* Phông chữ cho Phồn thể trong lộ trình TOCFL và Thành ngữ */
.st-path--traditional .pp-zh,
.is-traditional .pp-zh,
.pp-zh.is-traditional,
.st-path--traditional .pp-ex-zh,
.st-path--traditional .pp-cw,
[lang='zh-Hant'] .pp-zh {
  font-family: 'Noto Serif TC', 'Songti TC', 'PingFang TC', 'Microsoft JhengHei', 'PMingLiU', 'BiauKai', 'Noto Serif SC', serif;
}