:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --line: #dbe1ea;
  --text: #1f2937;
  --muted: #64748b;
  --accent: #0f766e;
  --accent-2: #2563eb;
  --danger: #b91c1c;
  --soft: #f8fafc;
  --up: #dc2626;
  --down: #16a34a;
  --overlay: rgba(15, 23, 42, 0.42);
}

[data-theme="dark"] {
  --bg: #0f172a;
  --panel: #111827;
  --line: #263244;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #2dd4bf;
  --accent-2: #60a5fa;
  --danger: #f87171;
  --soft: #172033;
  --up: #f87171;
  --down: #4ade80;
  --overlay: rgba(0, 0, 0, 0.58);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  min-height: 40px;
  padding: 0 16px;
}

button.small {
  min-height: 30px;
  padding: 0 10px;
  font-size: 13px;
}

button:hover {
  filter: brightness(0.96);
}

button.ghost {
  background: #eef2f7;
  color: var(--text);
}

[data-theme="dark"] button.ghost {
  background: #1f2937;
}

.icon-button {
  width: 40px;
  padding: 0;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  min-height: 40px;
  padding: 0 12px;
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background: #0b1220;
}

textarea {
  min-height: 140px;
  padding: 12px;
  resize: vertical;
}

label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin: 14px 0 6px;
}

.app-shell {
  display: grid;
  grid-template-columns: 248px 1fr;
  min-height: 100vh;
  min-width: 0;
}

.sidebar {
  background: #101827;
  color: #e5e7eb;
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 6px 22px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  font-weight: 700;
}

.brand-title {
  font-size: 17px;
  font-weight: 700;
}

.brand-subtitle {
  color: #94a3b8;
  font-size: 12px;
  margin-top: 2px;
}

.nav {
  display: grid;
  gap: 6px;
}

.nav-item {
  background: transparent;
  color: #cbd5e1;
  text-align: left;
  width: 100%;
}

.nav-item.active,
.nav-item:hover {
  background: #1f2a3d;
  color: #fff;
}

.sidebar-foot {
  margin-top: auto;
  padding: 12px 6px 0;
}

.sidebar-foot a {
  color: #93c5fd;
  text-decoration: none;
}

.main {
  padding: 28px 32px 40px;
  min-width: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 24px;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 18px;
}

#page-subtitle {
  color: var(--muted);
  margin: 6px 0 0;
}

.session {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

.auth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 420px));
  gap: 18px;
  align-items: start;
}

.panel,
.metric,
.table-wrap {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.panel {
  padding: 20px;
  min-width: 0;
}

.panel button {
  width: 100%;
  margin-top: 18px;
}

.narrow {
  max-width: 560px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metric {
  padding: 18px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric strong {
  display: block;
  font-size: 24px;
  margin-top: 8px;
}

.quick-actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}

.quick-actions button {
  width: auto;
  margin: 0;
}

.inline-form {
  display: grid;
  grid-template-columns: minmax(160px, 220px) 1fr 90px;
  gap: 10px;
  align-items: center;
  margin: 16px 0;
}

.suggest-field {
  position: relative;
  min-width: 0;
}

.suggestions {
  position: absolute;
  z-index: 20;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: 280px;
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 28px rgba(15, 23, 42, 0.14);
}

.suggestion-item {
  display: flex;
  width: 100%;
  min-height: 52px;
  padding: 9px 12px;
  margin: 0;
  border-radius: 0;
  background: var(--panel);
  color: var(--text);
  text-align: left;
}

.suggestion-item:hover {
  background: var(--soft);
  filter: none;
}

.suggestion-item strong,
.suggestion-item small {
  display: block;
}

.suggestion-item small {
  color: var(--muted);
  margin-top: 4px;
}

.suggestion-empty {
  color: var(--muted);
  padding: 12px;
  font-size: 14px;
}

.inline-form button,
button.fit {
  width: auto;
  margin: 0;
}

.watchlist-grid {
  display: grid;
  gap: 16px;
}

.ranking-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 16px;
  align-items: start;
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.section-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.section-head p {
  margin: 6px 0 0;
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr 110px;
  gap: 10px;
  margin-bottom: 14px;
}

.table-wrap {
  overflow: auto;
  max-width: 100%;
}

.mobile-cards {
  display: none;
}

.mobile-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.mobile-card + .mobile-card {
  margin-top: 10px;
}

.card-main {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.card-main strong,
.card-main span,
.card-score strong,
.card-score span {
  display: block;
}

.card-main span,
.card-score span,
.mobile-card p {
  color: var(--muted);
  font-size: 13px;
  margin: 4px 0 0;
}

.card-score {
  min-width: 72px;
  text-align: right;
}

.card-score strong {
  color: var(--accent);
  font-size: 24px;
}

.card-score.up strong {
  color: var(--up);
}

.card-score.down strong {
  color: var(--down);
}

.card-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.card-actions button {
  margin: 0;
  width: auto;
}

.stocks-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 14px;
  align-items: start;
}

.stocks-layout > *,
.ranking-layout > *,
.workspace,
.page {
  min-width: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.compact-table {
  box-shadow: none;
}

.row-actions {
  display: flex;
  gap: 8px;
}

.row-actions button.small {
  width: auto;
  margin: 0;
}

.wide-cell {
  max-width: 360px;
  white-space: normal;
  line-height: 1.5;
}

.analysis-panel {
  position: sticky;
  top: 20px;
  max-height: calc(100vh - 40px);
  overflow: auto;
}

.muted,
.analysis-head p,
.disclaimer {
  color: var(--muted);
}

.analysis-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.score {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #e7f8ee;
  color: var(--accent);
  font-size: 30px;
  font-weight: 800;
}

.rating {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #dbeafe;
  color: #1d4ed8;
  font-weight: 700;
}

.analysis-panel .rating {
  margin-right: 8px;
}

.suggestion {
  line-height: 1.7;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
  gap: 8px;
  margin: 16px 0;
}

.score-grid div {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: var(--soft);
}

.score-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.score-grid strong {
  display: block;
  margin-top: 4px;
  font-size: 18px;
}

.indicators {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 12px;
  margin: 0 0 14px;
}

.indicators div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  min-width: 0;
}

.indicators dt {
  color: var(--muted);
}

.indicators dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
}

.explain {
  padding-left: 18px;
  line-height: 1.7;
}

.disclaimer,
.error-text {
  font-size: 13px;
}

.error-text {
  color: var(--danger);
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 12px;
  text-align: left;
  white-space: nowrap;
}

th {
  background: var(--soft);
  color: var(--muted);
  font-size: 13px;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.hidden {
  display: none !important;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  max-width: 420px;
  background: #111827;
  color: #fff;
  border-radius: 8px;
  padding: 12px 14px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.22);
}

.toast.error {
  background: var(--danger);
}

.sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: var(--overlay);
}

.sheet-handle {
  display: none;
}

@media (max-width: 860px) {
  body {
    padding-bottom: calc(78px + env(safe-area-inset-bottom));
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 70;
    min-height: auto;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
  }

  .brand,
  .sidebar-foot {
    display: none;
  }

  .nav {
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
  }

  .nav-item {
    min-height: 48px;
    padding: 0 4px;
    text-align: center;
    font-size: 13px;
    border-radius: 8px;
  }

  .auth-grid,
  .metrics,
  .stocks-layout,
  .ranking-layout,
  .inline-form {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
  }

  .analysis-panel {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    max-height: min(78vh, 720px);
    overflow: auto;
    border-radius: 16px 16px 0 0;
    transform: translateY(110%);
    transition: transform 180ms ease;
    padding-bottom: calc(20px + env(safe-area-inset-bottom));
  }

  .analysis-panel.open {
    transform: translateY(0);
  }

  .sheet-handle {
    display: block;
    width: 44px;
    height: 4px;
    border-radius: 999px;
    background: var(--line);
    margin: 0 auto 14px;
  }

  .table-wrap {
    display: none;
  }

  .mobile-cards {
    display: block;
  }

  .section-head,
  .section-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .section-actions button {
    width: 100%;
  }

  .main {
    padding: 18px 14px 20px;
  }

  h1 {
    font-size: 24px;
  }

  .score {
    width: 62px;
    height: 62px;
    font-size: 26px;
  }
}

@media (min-width: 700px) and (max-width: 1100px) {
  .stocks-layout {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 380px);
  }

  #stocks-page .analysis-panel {
    position: sticky;
    top: 16px;
    left: auto;
    right: auto;
    bottom: auto;
    z-index: auto;
    max-height: calc(100vh - 112px);
    overflow: auto;
    border-radius: 8px;
    transform: none;
    transition: none;
    padding-bottom: 20px;
  }

  #stocks-page .analysis-panel.open {
    transform: none;
  }

  #stocks-page .sheet-handle {
    display: none;
  }
}

@media (max-width: 699px) {
  #stocks-page .analysis-panel {
    position: fixed;
    left: auto;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 90;
    width: min(420px, 92vw);
    max-height: 100vh;
    border-radius: 12px 0 0 12px;
    transform: translateX(110%);
    transition: transform 180ms ease;
  }

  #stocks-page .analysis-panel.open {
    transform: translateX(0);
  }

  #stocks-page .sheet-handle {
    display: none;
  }
}

@media (max-width: 520px) {
  #stocks-page .analysis-panel,
  #watchlist-page .analysis-panel {
    left: 0;
    right: 0;
    top: auto;
    bottom: 0;
    width: auto;
    max-height: min(78vh, 720px);
    border-radius: 16px 16px 0 0;
    transform: translateY(110%);
  }

  #stocks-page .analysis-panel.open,
  #watchlist-page .analysis-panel.open {
    transform: translateY(0);
  }

  #stocks-page .sheet-handle,
  #watchlist-page .sheet-handle {
    display: block;
  }
}