/* ========== 基础重置 ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ========== Design Tokens ========== */
:root {
  /* Light mode (default) */
  --canvas: #FFFFFF;
  --surface: #f8f5ed;
  --surface-hover: #efe9da;
  --text-primary: #000000;
  --text-secondary: #707070;
  --text-tertiary: #999999;
  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-visible: rgba(0, 0, 0, 0.1);
  --cta-yellow: #ffda6e;
  --cta-yellow-hover: #f5cc4a;
  --cta-green: #6ece9d;
  --cta-green-hover: #4db880;
  --input-bg: rgba(0, 0, 0, 0.04);
  --input-bg-hover: rgba(0, 0, 0, 0.06);
  --tag-bg: rgba(0, 0, 0, 0.04);
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-input: 6px;
  --radius-tag: 24px;
  --section-gap: 24px;
  --card-padding: 24px;
  --element-gap: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #171717;
    --surface: #242424;
    --surface-hover: #2e2e2e;
    --text-primary: #f0f0f0;
    --text-secondary: #999999;
    --text-tertiary: #6e6e6e;
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-visible: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(255, 255, 255, 0.06);
    --input-bg-hover: rgba(255, 255, 255, 0.1);
    --tag-bg: rgba(255, 255, 255, 0.06);
  }
}

/* ========== 排版 ========== */
body {
  font-family: "Inter", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.016px;
  background: var(--canvas);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
}

/* ========== 标题 ========== */
.app-title {
  text-align: center;
  font-size: 28px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.016px;
  padding: 32px 0 24px;
  color: var(--text-primary);
}

/* ========== 卡片 ========== */
.card {
  background: var(--surface);
  border-radius: var(--radius-card);
  padding: var(--card-padding);
  margin-bottom: var(--section-gap);
  overflow: hidden;
}

.card-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 20px;
  letter-spacing: -0.016px;
  text-transform: uppercase;
}

/* ========== 表单 ========== */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--element-gap);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: -0.016px;
}

.form-group input,
.form-group select {
  padding: 12px;
  border: none;
  border-radius: var(--radius-input);
  font-size: 16px;
  font-family: inherit;
  font-weight: 400;
  background: var(--input-bg);
  color: var(--text-primary);
  width: 100%;
  transition: background 0.15s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  background: var(--input-bg-hover);
}

.btn-pan {
  grid-column: 1 / -1;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 500;
  font-family: inherit;
  letter-spacing: -0.016px;
  background: var(--cta-yellow);
  color: #000000;
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: background 0.15s;
}

.btn-pan:hover { background: var(--cta-yellow-hover); }

/* ========== 基础信息区 ========== */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px var(--element-gap);
  font-size: 16px;
}

.info-grid .info-full {
  grid-column: 1 / -1;
}

.info-grid .info-label {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

/* ========== 天地盘 ========== */
.td-pan-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 4px;
  max-width: 360px;
  margin: 0 auto;
  aspect-ratio: 1;
}

.td-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--tag-bg);
  border-radius: 8px;
  padding: 4px 2px;
  text-align: center;
  min-height: 0;
}

.td-cell .tj {
  font-size: 11px;
  color: var(--cta-green);
  font-weight: 500;
}

.td-cell .tp {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.25;
}

.td-cell .dp {
  font-size: 11px;
  color: var(--text-tertiary);
}

.td-center {
  grid-column: 2 / 4;
  grid-row: 2 / 4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: -0.016px;
}

/* ========== 四课 ========== */
.sike-grid {
  display: flex;
  gap: var(--element-gap);
  justify-content: center;
}

.sike-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 100px;
}

.sike-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}

.sike-shang {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  padding: 8px 12px;
  background: var(--tag-bg);
  border-radius: 8px;
  width: 100%;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.sike-shang .sike-tj {
  font-size: 11px;
  color: var(--cta-green);
  font-weight: 500;
}

.sike-sep {
  width: 1px;
  height: 12px;
  background: var(--border-visible);
  margin: 3px 0;
}

.sike-xia {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 6px;
  width: 100%;
  text-align: center;
}

/* ========== 三传 ========== */
.sanchuan-grid {
  display: flex;
  gap: var(--element-gap);
  justify-content: center;
}

.sc-col {
  flex: 1;
  max-width: 160px;
  background: var(--tag-bg);
  border-radius: var(--radius-card);
  padding: 20px 12px;
  text-align: center;
}

.sc-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 6px;
  letter-spacing: -0.016px;
}

.sc-main {
  font-size: 20px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
  line-height: 1.25;
}

.sc-main .sc-tj {
  font-size: 12px;
  color: var(--cta-green);
  font-weight: 500;
  margin-left: 2px;
}

.sc-detail {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ========== 详细断辞 ========== */
.detail-row {
  font-size: 16px;
  margin-bottom: 8px;
  line-height: 1.5;
}

.detail-label {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

.detail-text {
  font-size: 16px;
  color: var(--text-primary);
  word-break: break-all;
  overflow-wrap: anywhere;
}

.detail-text-cont {
  font-size: 16px;
  color: var(--text-primary);
  padding-left: 1em;
  margin-bottom: 6px;
}

/* ========== 复制按钮 ========== */
.btn-copy {
  display: block;
  margin: 24px 0 0 auto;
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  color: var(--text-secondary);
  background: var(--tag-bg);
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn-copy:hover {
  background: var(--border-subtle);
  color: var(--text-primary);
}

.btn-copy.copied {
  color: var(--cta-green);
}

/* ========== 响应式 ========== */
@media (max-width: 480px) {
  .container { padding: 12px; }

  .app-title {
    font-size: 24px;
    padding: 24px 0 16px;
  }

  .card {
    padding: 20px;
    margin-bottom: 32px;
    border-radius: 16px;
  }

  .form-grid { grid-template-columns: 1fr; }

  .td-pan-grid { max-width: 280px; }
  .td-cell .tp { font-size: 16px; }
  .td-cell .tj { font-size: 10px; }
  .td-cell .dp { font-size: 10px; }

  .sike-shang { font-size: 14px; padding: 6px 8px; }

  .sc-col { padding: 14px 8px; }
  .sc-main { font-size: 18px; }
}