/* Material 风格门户样式，配合 Bootstrap 5 使用。 */

:root {
  --md-primary: #3f51b5;
  --md-primary-dark: #303f9f;
  --md-primary-light: #e8eaf6;
  --md-secondary: #00796b;
  --md-accent: #ffb300;
  --md-surface: #ffffff;
  --md-bg: #f4f5f9;
  --md-on-surface: #1f2129;
  --md-muted: #5f6472;
  --md-outline: #dadce0;
  --md-radius-lg: 20px;
  --md-radius-md: 14px;
  --md-shadow-1: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .10);
  --md-shadow-2: 0 4px 14px rgba(16, 24, 40, .10), 0 2px 6px rgba(16, 24, 40, .06);
}

/* 工具强调色：模板只加 class，避免内联样式触发严格 CSP */
.accent-plancare { --accent: #00796b; }
.accent-newplace { --accent: #3949ab; }

body {
  background: var(--md-bg);
  color: var(--md-on-surface);
  font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 1.5rem;
}

.app-shell {
  max-width: 880px;
  margin: 0 auto;
  padding: 1.25rem 1rem 1.5rem;
}

/* 首页标题 */
.app-hero {
  text-align: center;
  padding: 2rem 0 2.25rem;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 68px;
  height: 68px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--md-primary) 0%, #5c6bc0 100%);
  color: #fff;
  box-shadow: var(--md-shadow-2);
  margin-bottom: .9rem;
}

.brand-mark svg { width: 34px; height: 34px; }

.app-title {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: .08em;
  margin: 0;
}

/* 工具宫格：手机两列 */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .85rem;
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: 1rem;
  background: var(--md-surface);
  border-radius: var(--md-radius-lg);
  box-shadow: var(--md-shadow-1);
  text-decoration: none;
  color: inherit;
  transition: transform .18s ease, box-shadow .18s ease;
  min-height: 150px;
  position: relative;
}

.tool-card:hover,
.tool-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--md-shadow-2);
  color: inherit;
}

.tool-card:active { transform: scale(.985); }

.tool-icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 15px;
  background: var(--accent, var(--md-primary));
  color: #fff;
  box-shadow: 0 4px 10px rgba(16, 24, 40, .16);
  flex: none;
}

.tool-icon svg { width: 25px; height: 25px; }
.tool-icon-sm { width: 44px; height: 44px; border-radius: 13px; }
.tool-icon-sm svg { width: 24px; height: 24px; }

.tool-body { display: flex; flex-direction: column; gap: .2rem; min-width: 0; }
.tool-name { font-size: 1.05rem; font-weight: 650; }
.tool-desc { font-size: .8rem; color: var(--md-muted); line-height: 1.4; }
.tool-meta { font-size: .72rem; color: #8a90a0; }
.tool-go { position: absolute; right: .75rem; bottom: .7rem; color: #c3c7d2; }
.tool-go svg { width: 20px; height: 20px; }

/* 页脚与备案 */
.app-foot {
  margin-top: 2rem;
  text-align: center;
  color: var(--md-muted);
  font-size: .78rem;
}

.app-foot p { margin: 0 0 .25rem; }
.app-foot a { color: var(--md-muted); text-decoration: none; }
.app-foot a:hover { color: var(--md-primary); }
.foot-links { font-size: .76rem; }
.icp { font-size: .74rem; color: #8a90a0; }

/* 顶部导航 */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .7rem 1rem;
  background: rgba(244, 245, 249, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(218, 220, 224, .8);
}

.nav-back {
  display: inline-flex;
  align-items: center;
  gap: .1rem;
  font-size: .86rem;
  color: var(--md-primary);
  text-decoration: none;
  padding: .3rem .45rem .3rem .15rem;
  border-radius: 10px;
}

.nav-back:hover { background: var(--md-primary-light); }
.nav-back svg { width: 20px; height: 20px; }
.nav-title { font-weight: 650; font-size: .95rem; }

.nav-links { margin-left: auto; display: flex; gap: .9rem; }
.nav-links a {
  font-size: .84rem;
  color: var(--md-primary);
  text-decoration: none;
}
.nav-links a:hover { text-decoration: underline; }

/* 卡片 */
.md-card {
  background: var(--md-surface);
  border-radius: var(--md-radius-lg);
  box-shadow: var(--md-shadow-1);
  padding: 1.1rem;
  margin-top: 1rem;
}

@media (min-width: 768px) {
  .md-card { padding: 1.4rem 1.5rem; }
}

.card-title { font-size: 1rem; font-weight: 650; margin-bottom: .8rem; }
.card-sub { font-size: .74rem; font-weight: 400; color: var(--md-muted); margin-left: .3rem; }

.card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: .6rem;
}

.card-head .card-title { margin-bottom: 0; }

.tool-intro { border-top: 3px solid var(--accent, var(--md-primary)); }
.intro-head { display: flex; align-items: center; gap: .8rem; }
.tool-title { font-size: 1.3rem; font-weight: 700; margin: 0; }
.tool-sub { margin: 0; font-size: .82rem; color: var(--md-muted); }
.intro-desc { margin: .9rem 0 .6rem; font-size: .9rem; line-height: 1.65; }

.intro-list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: .85rem;
  color: var(--md-muted);
  line-height: 1.7;
}

.intro-lib {
  margin: .8rem 0 0;
  padding: .6rem .75rem;
  background: #f7f8fc;
  border-radius: var(--md-radius-md);
  font-size: .78rem;
  color: var(--md-muted);
}

/* 表单 */
.form-label { font-size: .82rem; font-weight: 600; color: #3c4150; margin-bottom: .35rem; }

.code-area {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .8rem;
  line-height: 1.5;
  border-radius: var(--md-radius-md);
  border-color: var(--md-outline);
  background: #fbfbfe;
  resize: vertical;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--md-primary);
  box-shadow: 0 0 0 .2rem rgba(63, 81, 181, .14);
}

.fasta-summary {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .9rem;
  margin-top: .45rem;
  font-size: .76rem;
  color: var(--md-muted);
  min-height: 1.1rem;
}

.fasta-summary .warn { color: #b3261e; }
.fasta-summary .ok { color: #1b5e20; }

.input-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin-top: .7rem;
}

.file-name { font-size: .75rem; color: var(--md-muted); }

.btn { border-radius: 10px; font-weight: 550; }

.btn-primary {
  background: var(--md-primary);
  border-color: var(--md-primary);
  box-shadow: var(--md-shadow-1);
}

.btn-primary:hover, .btn-primary:focus {
  background: var(--md-primary-dark);
  border-color: var(--md-primary-dark);
}

.btn-outline-primary { color: var(--md-primary); border-color: #c5cae9; }
.btn-outline-primary:hover { background: var(--md-primary-light); color: var(--md-primary-dark); border-color: #9fa8da; }

.btn-outline-secondary { border-color: var(--md-outline); color: #4a4f5c; }
.btn-outline-secondary:hover { background: #f1f2f7; color: #2c303a; border-color: #c9ccd6; }

.preset-row { display: flex; align-items: center; gap: .4rem; flex-wrap: wrap; }
.preset-label { font-size: .76rem; color: var(--md-muted); }

.preset-btn {
  border: 1px solid var(--md-outline);
  background: #fff;
  color: #4a4f5c;
  border-radius: 999px;
  font-size: .76rem;
  padding: .2rem .7rem;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}

.preset-btn:hover { background: #f4f5fb; border-color: #c5c9d6; }

.preset-btn.is-active {
  background: var(--md-primary-light);
  border-color: #9fa8da;
  color: var(--md-primary-dark);
  font-weight: 650;
}

.param-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  margin-top: 1rem;
}

@media (min-width: 768px) {
  .param-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.param { display: flex; flex-direction: column; }
.param-hint { font-size: .7rem; color: #8a90a0; margin-top: .3rem; line-height: 1.4; }

.btn-run { width: 100%; margin-top: 1.1rem; padding: .6rem 1rem; font-size: .95rem; }
.btn-run:disabled { opacity: .7; }

/* 排队 */
.queue-card { border-left: 4px solid var(--md-accent); }
.queue-main { display: flex; align-items: center; gap: .9rem; }

.queue-spinner {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid var(--md-primary-light);
  border-top-color: var(--md-primary);
  animation: spin .9s linear infinite;
  flex: none;
}

@keyframes spin { to { transform: rotate(360deg); } }

.queue-title { font-weight: 650; font-size: .95rem; }
.queue-detail { font-size: .8rem; color: var(--md-muted); margin-top: .15rem; }

.queue-bar {
  margin-top: .9rem;
  height: 4px;
  border-radius: 2px;
  background: #edeef4;
  overflow: hidden;
  position: relative;
}

.queue-bar span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 40%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--md-primary), #7986cb);
  animation: slide 1.4s ease-in-out infinite;
}

@keyframes slide {
  0% { left: -40%; }
  100% { left: 100%; }
}

.queue-error {
  margin-top: .8rem;
  padding: .6rem .75rem;
  border-radius: var(--md-radius-md);
  background: #fdecea;
  color: #b3261e;
  font-size: .82rem;
}

/* 结果 */
.result-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: .6rem;
}

.result-sub { margin: 0; font-size: .78rem; color: var(--md-muted); }
.result-actions { display: flex; flex-wrap: wrap; gap: .5rem; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .6rem;
  margin-top: 1rem;
}

@media (min-width: 768px) {
  .stat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.stat {
  background: #f7f8fc;
  border-radius: var(--md-radius-md);
  padding: .7rem .75rem;
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

.stat-value { font-size: 1.3rem; font-weight: 700; color: var(--md-primary-dark); }
.stat-label { font-size: .72rem; color: var(--md-muted); }

.result-warnings { margin-top: .9rem; }

.warn-item {
  font-size: .78rem;
  color: #8a5a00;
  background: #fff8e1;
  border-radius: 10px;
  padding: .5rem .7rem;
  margin-bottom: .4rem;
}

/* 类别分布条形图 */
.bar-list { display: flex; flex-direction: column; gap: .5rem; }

.bar-row {
  display: grid;
  grid-template-columns: 6.5rem 1fr 3.2rem;
  align-items: center;
  gap: .6rem;
  font-size: .78rem;
}

.bar-name { color: #4a4f5c; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { height: 10px; background: #eef0f6; border-radius: 5px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 5px; background: var(--md-primary); }
.bar-count { text-align: right; color: var(--md-muted); font-variant-numeric: tabular-nums; }

/* 元件分布轨道 */
.track-list { display: flex; flex-direction: column; gap: .9rem; }

.track {
  border: 1px solid #eef0f6;
  border-radius: var(--md-radius-md);
  padding: .55rem .7rem .35rem;
}

.track-head {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
  font-size: .76rem;
  color: var(--md-muted);
  margin-bottom: .35rem;
}

.track-id { color: #3c4150; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track-svg { display: block; width: 100%; height: 26px; }

.chip-wrap { display: flex; flex-wrap: wrap; gap: .4rem; }

.chip {
  display: inline-flex;
  align-items: baseline;
  gap: .35rem;
  padding: .28rem .6rem;
  border-radius: 999px;
  background: var(--md-primary-light);
  color: #2b3a8f;
  font-size: .75rem;
}

.chip b { font-weight: 650; }
.chip-count { color: #5c6bc0; font-size: .72rem; }

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: .1rem;
}

/* 表格 */
.md-table { font-size: .8rem; margin-bottom: 0; }

.md-table thead th {
  position: sticky;
  top: 0;
  background: #f7f8fc;
  color: #4a4f5c;
  font-weight: 600;
  font-size: .74rem;
  white-space: nowrap;
  border-bottom: 1px solid var(--md-outline);
  z-index: 1;
}

.md-table td { vertical-align: middle; }
.md-table tbody tr:hover { background: #fafbff; }
.cell-clip { max-width: 22rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .75rem;
}

.share-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--md-primary-light);
  overflow: hidden;
  min-width: 3rem;
}

.share-fill { height: 100%; background: #7986cb; }

.strand-minus { color: var(--md-secondary); font-weight: 650; }
.strand-plus { color: #5a6272; }

/* 元件库 */
.filter-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .5rem;
  margin: .9rem 0 .5rem;
}

@media (min-width: 768px) {
  .filter-row { grid-template-columns: 2fr 1fr 8rem; }
}

.filter-count { font-size: .76rem; color: var(--md-muted); margin: 0 0 .6rem; }

/* 关于页 */
.about-text { font-size: .88rem; color: var(--md-muted); line-height: 1.7; margin: 0 0 .9rem; }

.kv-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .6rem;
}

@media (min-width: 768px) {
  .kv-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.kv {
  background: #f7f8fc;
  border-radius: var(--md-radius-md);
  padding: .6rem .7rem;
  display: flex;
  flex-direction: column;
  gap: .2rem;
  font-size: .8rem;
}

.kv-k { font-size: .72rem; color: var(--md-muted); }
.kv-v { color: #2c303a; word-break: break-word; }

/* 错误页 */
.error-card { text-align: center; padding: 2.5rem 1.5rem; }
.error-code { font-size: 3rem; font-weight: 700; color: var(--md-primary); margin: 0 0 .4rem; }
.error-message { color: var(--md-muted); margin-bottom: 1.2rem; }

.page-actions { display: flex; justify-content: center; margin-top: 1.2rem; }

.notes-card .intro-list { color: #4a4f5c; }

/* 手机端：去掉 logo，只留大标题 */
@media (max-width: 767px) {
  .brand-mark { display: none; }
  .app-hero { padding: 2.4rem 0 2rem; }
  .app-title { font-size: 2.6rem; }
  .intro-list { font-size: .82rem; }
}

@media (min-width: 768px) {
  .tool-grid {
    gap: 1.25rem;
    max-width: 720px;
    margin: 0 auto;
  }

  .tool-card {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    min-height: 128px;
    padding: 1.25rem 1.4rem;
  }

  .tool-body { flex: 1; gap: .3rem; }
  .tool-name { font-size: 1.2rem; }
  .tool-desc { font-size: .86rem; }
  .tool-meta { font-size: .74rem; }

  .tool-go { position: static; margin-left: auto; }

  .app-hero { padding: 2.75rem 0 2.75rem; }
  .app-title { font-size: 2.8rem; }
}