/* Hanzi Writer 自托管演示页 · 宣纸 / 朱砂配色 */
:root {
  --paper: #f6f1e7;
  --card: #fffcf5;
  --ink: #2f2b26;
  --muted: #8a8175;
  --seal: #b13a2b;
  --border: #ddd4c4;
  --grid: rgba(177, 58, 43, .26);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

body {
  background-image:
    radial-gradient(circle at 12% 8%, rgba(177, 58, 43, .045), transparent 32%),
    radial-gradient(circle at 88% 92%, rgba(47, 43, 38, .04), transparent 36%);
  min-height: 100vh;
  padding: 32px 16px 56px;
}

.wrap { max-width: 520px; margin: 0 auto; }

.hero { text-align: center; margin-bottom: 26px; }

.seal {
  width: 46px;
  height: 46px;
  margin: 0 auto 12px;
  border-radius: 6px;
  background: var(--seal);
  color: #fff9ee;
  font-size: 26px;
  line-height: 46px;
  font-weight: 700;
  box-shadow: 0 3px 12px rgba(177, 58, 43, .28);
}

.hero h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: .18em;
  font-weight: 600;
}

.hero .sub {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .04em;
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 18px;
  box-shadow: 0 2px 10px rgba(47, 43, 38, .05);
}

.char-form { display: flex; align-items: center; gap: 10px; }
.char-form label { color: var(--muted); font-size: 13px; white-space: nowrap; }

.char-form input {
  width: 62px;
  padding: 7px 4px;
  font-size: 22px;
  text-align: center;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 7px;
}

.char-form input:focus, button:focus-visible {
  outline: 2px solid rgba(177, 58, 43, .45);
  outline-offset: 2px;
}

button {
  font-family: inherit;
  font-size: 13px;
  padding: 8px 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 7px;
  cursor: pointer;
  transition: background .18s, color .18s, border-color .18s, transform .18s;
}

button:hover { border-color: var(--seal); color: var(--seal); }
button:active { transform: translateY(1px); }

button.primary {
  background: var(--seal);
  border-color: var(--seal);
  color: #fff9ee;
  font-weight: 600;
}

button.primary:hover { background: #962f22; color: #fff9ee; }

.quick {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}

.quick span { color: var(--muted); font-size: 12px; margin-right: 2px; }
.quick button { padding: 4px 10px; font-size: 16px; min-width: 36px; }

.stage { display: flex; justify-content: center; }

#target {
  width: 400px;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  background-color: #fffdf8;
  background-image:
    linear-gradient(to right, transparent calc(50% - .5px), var(--grid) 50%, transparent calc(50% + .5px)),
    linear-gradient(to bottom, transparent calc(50% - .5px), var(--grid) 50%, transparent calc(50% + .5px)),
    linear-gradient(45deg, transparent calc(50% - .5px), rgba(177, 58, 43, .13) 50%, transparent calc(50% + .5px)),
    linear-gradient(-45deg, transparent calc(50% - .5px), rgba(177, 58, 43, .13) 50%, transparent calc(50% + .5px));
  border: 2px solid rgba(177, 58, 43, .5);
  border-radius: 4px;
  box-shadow: 0 4px 18px rgba(47, 43, 38, .09);
  overflow: hidden;
}

/* HanziWriter 生成固定 400x400 的 SVG，这里让它随容器缩放 */
#target svg { width: 100%; height: 100%; display: block; touch-action: none; }

.actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 18px auto 0;
}

.actions button { padding: 10px 4px; white-space: nowrap; }

.status {
  min-height: 22px;
  margin: 14px 0 0;
  padding: 9px 12px;
  border-radius: 8px;
  background: rgba(47, 43, 38, .045);
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
  overflow-wrap: anywhere;
}

.status.ok { background: rgba(58, 122, 74, .1); color: #3a7a4a; }
.status.warn { background: rgba(177, 58, 43, .1); color: var(--seal); }

.note {
  margin-top: 26px;
  padding: 14px 16px;
  border-left: 3px solid var(--seal);
  background: rgba(255, 252, 245, .7);
  border-radius: 0 8px 8px 0;
  font-size: 12.5px;
  color: var(--muted);
}

.note strong { color: var(--ink); font-size: 13px; }
.note p { margin: 6px 0 0; }
.note a { color: var(--seal); text-decoration: none; border-bottom: 1px solid rgba(177, 58, 43, .35); }
.note a:hover { border-bottom-style: solid; }

@media (max-width: 480px) {
  .hero h1 { font-size: 23px; }
  .actions { grid-template-columns: repeat(2, 1fr); }
  .char-form { flex-wrap: wrap; }
}