@font-face {
  font-family: "Hana Pro";
  src: url("data/Hana Pro/HanaPro.ttf") format("truetype");
  font-display: swap;
}
@font-face {
  font-family: "Hana Pro Ext";
  src: url("data/Hana Pro/HanaPro-Ext.ttf") format("truetype");
  font-display: swap;
}
@font-face {
  font-family: "Hana KaiTi";
  src: url("data/Hana KaiTi/Hana KaiT.ttf") format("truetype");
  font-display: swap;
}
@font-face {
  font-family: "Hana KaiTi Ext";
  src: url("data/Hana KaiTi/Hana KaiT Ext.ttf") format("truetype");
  font-display: swap;
}

:root {
  --bg: #14181b;
  --panel: #1c2226;
  --panel-2: #262d32;
  --border: #333c42;
  --text: #e8edf0;
  --text-dim: #8b979e;
  --accent: #35c48f;
  --accent-dim: #2a9c72;
  --preview: #5aa9f2;
  --danger: #e5484d;
  --output-font-size: 22px;
  --cand-font-size: 17px;
  font-size: 15px;
}

:root[data-theme="light"] {
  --bg: #f4f6f7;
  --panel: #ffffff;
  --panel-2: #eef1f2;
  --border: #d7dde0;
  --text: #1b2226;
  --text-dim: #6b7780;
  --accent: #1f9d6f;
  --accent-dim: #17805a;
  --preview: #1c6fd6;
  --danger: #d33;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 16px;
  gap: 12px;
}

.hn {
  font-family: "Noto Sans CJK SC", "Microsoft YaHei", sans-serif, "Hana Pro", "Hana Pro Ext";
}

/* ---------- Toolbar ---------- */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.method-select {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  min-width: 190px;
}

.icon-group {
  display: flex;
  gap: 6px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text);
  width: 34px;
  height: 34px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .12s ease;
}
.icon-btn:hover { background: var(--panel-2); }
.icon-btn.active { background: var(--accent); color: #06251a; }
.icon-btn.off { color: var(--text-dim); }
.icon-btn:disabled { opacity: .35; cursor: default; }
.icon-btn:disabled:hover { background: transparent; }
.font-size-btn { font-size: 13px; font-weight: 600; }

.theme-btn .ico {
  display: block;
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.theme-btn .ico-sun { display: none; }
.theme-btn.is-dark .ico-sun { display: block; }
.theme-btn.is-dark .ico-moon { display: none; }
.font-size-label {
  min-width: 30px;
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  user-select: none;
}

.spacer { flex: 1; }

.hint {
  color: var(--text-dim);
  font-size: 12.5px;
}

/* ---------- Compose stage (textarea + floating candidate panel) ---------- */
.stage {
  position: relative;
  flex: 1;
  display: flex;
  min-height: 320px;
}

#output {
  flex: 1;
  width: 100%;
  resize: vertical;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: var(--output-font-size);
  line-height: 1.7;
  padding: 18px;
  outline: none;
}
#output:focus { border-color: var(--accent-dim); }
#output::placeholder { color: var(--text-dim); }

.candidate-panel {
  position: fixed;
  z-index: 20;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,.45);
  min-width: 260px;
  max-width: 92vw;
  overflow: hidden;
  display: none;
}
.candidate-panel.show { display: block; }

.preview-row {
  padding: 10px 14px 6px;
  color: var(--preview);
  font-size: calc(var(--cand-font-size) - 1px);
  font-style: italic;
  letter-spacing: .3px;
}

.candidate-list {
  padding: 4px 10px 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
}
.candidate-panel.vertical .candidate-list {
  flex-direction: column;
  flex-wrap: nowrap;
}
.candidate-panel.show-reading:not(.vertical) .candidate-list {
  align-items: flex-start;
  gap: 6px 16px;
}

.candidate {
  cursor: pointer;
  font-size: var(--cand-font-size);
  color: var(--text);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}
.candidate .idx {
  color: var(--text-dim);
  font-size: .76em;
  margin-right: 1px;
}
.candidate .reading {
  display: none;
  color: var(--text-dim);
  font-size: .7em;
  font-style: italic;
}
.candidate.sel { color: var(--accent); }
.candidate:hover { color: var(--preview); }

/* Show the Han-Viet reading beside/below each character, depending on
 * whether the candidate list is laid out horizontally or vertically. */
.candidate-panel.show-reading .candidate .reading { display: inline; }

/* Horizontal frame: stack idx/char/reading into a compact vertical cell so
 * the reading sits *under* the character without widening the row. */
.candidate-panel.show-reading:not(.vertical) .candidate {
  flex-direction: column;
  gap: 0;
}
.candidate-panel.show-reading:not(.vertical) .candidate .idx {
  margin-right: 0;
}

/* Vertical frame: each candidate is already its own row, so the reading
 * just sits beside the character on that same line. */
.candidate-panel.vertical.show-reading .candidate .reading {
  margin-left: 4px;
}

.pager {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 14px 10px;
}
.pager button {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 13px;
  padding: 2px 6px;
}
.pager button:hover { color: var(--text); }
.pager button:disabled { opacity: .3; cursor: default; }
.pager .page-info { color: var(--text-dim); font-size: 12px; }

/* ---------- Bottom bar: clipboard + auto-copy ---------- */
.bottombar {
  display: flex;
  align-items: center;
  gap: 10px;
}
.bottombar .icon-group { padding: 4px; }
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  user-select: none;
}
.checkbox-row input { accent-color: var(--accent); }

/* ---------- Appearance settings ---------- */
.appearance {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.appearance h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.appearance-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.appearance-row .label {
  color: var(--text-dim);
  font-size: 13.5px;
  font-weight: 600;
}
.appearance-row .note {
  color: var(--text-dim);
  font-size: 12.5px;
  line-height: 1.5;
}
.appearance select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13.5px;
}

@media (max-width: 640px) {
  .method-select { min-width: 140px; }
}