:root {
  --bg: #f7f3ea;
  --ink: #1c1915;
  --muted: #6b6358;
  --line: #d9d0c0;
  --card: #fffdf8;
  --accent: #8b3a2a;
  --accent-soft: #f0e4d6;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
  --silifon: "Silifon", var(--serif);
  --silifon1: "Silifon1", var(--serif);
  --seal: "SealScript", "FZXZTFW", var(--serif);
  --kai: "Kaiti SC", "STKaiti", "KaiTi", var(--serif);
}

@font-face {
  font-family: "Silifon";
  src: url("../fonts/silifon.ttf") format("truetype");
  font-display: swap;
}
@font-face {
  font-family: "Silifon1";
  src: url("../fonts/silifon1.ttf") format("truetype");
  font-display: swap;
}
@font-face {
  font-family: "SealScript";
  src: url("../fonts/FZXZTFW.TTF") format("truetype");
  font-display: swap;
}
@font-face {
  font-family: "FZXZTFW";
  src: url("../fonts/FZXZTFW.TTF") format("truetype");
  font-display: swap;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
}
body {
  background-image:
    radial-gradient(ellipse at top, #fff9ef 0%, transparent 55%),
    linear-gradient(180deg, #f7f3ea 0%, #efe6d6 100%);
}

.app {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 4rem;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.brand-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.home-link {
  color: var(--muted);
  font-size: 0.75rem;
  text-decoration: none;
}
.home-link:hover { color: var(--accent); }
.brand {
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: 0.08em;
}
.crumb {
  color: var(--muted);
  font-size: 0.85rem;
}
.crumb button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  padding: 0;
}

.searchbar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}
.searchbar input {
  flex: 1;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
  font: inherit;
  color: var(--ink);
}
.searchbar input:focus {
  outline: 2px solid var(--accent-soft);
  border-color: #c9b59a;
}
.searchbar button {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
  font: inherit;
  color: var(--ink);
}
.searchbar button:hover {
  background: var(--accent-soft);
}
.search-hit {
  text-align: left;
}
.search-hit .path {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 0.2rem;
}

.modes {
  display: flex;
  gap: 0.35rem;
  margin: 0.75rem 0 1.25rem;
  flex-wrap: wrap;
}
.modes button, .fontbar button, .navrow button, .list button, .char-grid button {
  font: inherit;
  cursor: pointer;
}
.modes button {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
}
.modes button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.fontbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}
.fontbar button {
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 6px;
  padding: 0.25rem 0.55rem;
  font-size: 0.82rem;
  color: var(--muted);
}
.fontbar button.active {
  background: var(--accent-soft);
  color: var(--ink);
  border-color: #cbb89a;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.25rem 1.1rem 1.4rem;
  box-shadow: 0 10px 30px rgba(60, 40, 20, 0.04);
}

.list {
  display: grid;
  gap: 0.55rem;
}
.list button {
  text-align: left;
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 0.85rem 1rem;
}
.list button:hover { border-color: #c4b49a; }
.list .meta {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 0.2rem;
}

.read-title {
  font-family: var(--serif);
  font-size: 1.4rem;
  margin: 0 0 1rem;
  letter-spacing: 0.12em;
}
.read-body {
  font-family: var(--active-font, var(--serif));
  font-size: 1.55rem;
  line-height: 1.95;
  letter-spacing: 0.06em;
}
.read-body .line {
  display: block;
  margin: 0.15rem 0;
  cursor: pointer;
  border-radius: 6px;
  padding: 0.1rem 0.25rem;
}
.read-body .line:hover { background: var(--accent-soft); }
.read-body .line.reciting {
  background: var(--accent-soft);
  box-shadow: inset 0 -2px 0 var(--accent);
}

.line-view .text {
  font-family: var(--active-font, var(--serif));
  font-size: 2.2rem;
  line-height: 1.6;
  letter-spacing: 0.08em;
  margin: 0.4rem 0 0.6rem;
}
.line-view .kai-compare {
  margin: 0 0 0.75rem;
  padding-top: 0.55rem;
  border-top: 1px dashed var(--line);
}
.line-view .kai-compare .label {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  margin-bottom: 0.15rem;
}
.line-view .kai-compare .text.kai {
  font-family: var(--kai);
  font-size: 2rem;
  color: var(--ink);
  margin: 0;
  opacity: 0.92;
}
.line-view .pinyin {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 0.75rem;
  word-break: break-word;
}
.recite-row {
  margin-bottom: 0.85rem;
}
.recite-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
  padding: 0.45rem 1rem;
  font-size: 0.9rem;
  cursor: pointer;
}
.recite-btn:hover {
  background: var(--accent-soft);
  border-color: #c9b59a;
}
.recite-btn.playing {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.navrow {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 1rem;
}
.navrow button {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 0.45rem 0.8rem;
}
.navrow button:disabled { opacity: 0.4; cursor: default; }
.progress {
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
  align-self: center;
}

.char-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.5rem;
}
.char-grid button {
  width: 3.4rem;
  height: 3.4rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font-family: var(--active-font, var(--serif));
  font-size: 1.7rem;
}
.char-grid button.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.char-focus {
  margin-top: 1.25rem;
  text-align: center;
}
.char-focus .big {
  font-family: var(--active-font, var(--serif));
  font-size: 5.5rem;
  line-height: 1.1;
  letter-spacing: 0;
}
.char-focus .code {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.35rem;
}
.hint {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 0.75rem;
}
.hidden { display: none !important; }