:root {
  color-scheme: dark;
  --bg: #07111f;
  --surface: #101d2d;
  --surface-raised: #17263a;
  --surface-soft: #0c1827;
  --border: #2a3c52;
  --text: #f4f7fb;
  --muted: #a9b6c6;
  --accent: #67a8ff;
  --accent-strong: #3588f5;
  --up: #ff6269;
  --down: #35c98a;
  --warning: #ffc764;
  --danger-bg: #3a1b25;
  --warning-bg: #352a16;
  --radius-lg: 20px;
  --radius-md: 14px;
  --touch: 44px;
  --content-max: 880px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100dvh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 80% -10%, rgba(53, 136, 245, 0.17), transparent 32rem),
    var(--bg);
}

button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: clamp(1.55rem, 7vw, 2.35rem); line-height: 1.18; letter-spacing: -0.02em; }
h2 { margin-bottom: 8px; font-size: 1.15rem; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  transform: translateY(-150%);
  border-radius: 8px;
  background: var(--text);
  color: var(--bg);
}
.skip-link:focus { transform: none; }

:focus-visible { outline: 3px solid var(--warning); outline-offset: 3px; }

.connection-banner {
  position: sticky;
  z-index: 50;
  top: 0;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: #8a2730;
  color: #fff;
  text-align: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .24);
}
.connection-banner strong, .connection-banner span { display: block; }
.connection-banner span { margin-top: 2px; font-size: .82rem; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: calc(66px + env(safe-area-inset-top));
  padding: calc(12px + env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 12px max(16px, env(safe-area-inset-left));
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  background: rgba(7, 17, 31, .88);
  backdrop-filter: blur(14px);
}
.topbar p { margin: 0; }
.topbar__brand { font-size: .94rem; font-weight: 750; }
.topbar__state { display: flex; align-items: center; gap: 6px; margin-top: 4px !important; color: var(--muted); font-size: .75rem; }
.topbar__privacy { padding: 6px 9px; border: 1px solid var(--border); border-radius: 99px; color: var(--muted); font-size: .72rem; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }

.app-main {
  width: min(100%, var(--content-max));
  min-height: calc(100dvh - 150px);
  margin: 0 auto;
  padding: 22px max(16px, env(safe-area-inset-right)) calc(104px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}
.app-main--centered {
  display: grid;
  place-items: center;
  min-height: 100dvh;
  padding-top: max(24px, env(safe-area-inset-top));
  padding-bottom: max(24px, env(safe-area-inset-bottom));
}

.bottom-nav {
  position: fixed;
  z-index: 40;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  min-height: calc(68px + env(safe-area-inset-bottom));
  padding: 5px max(4px, env(safe-area-inset-right)) env(safe-area-inset-bottom) max(4px, env(safe-area-inset-left));
  border-top: 1px solid var(--border);
  background: rgba(10, 22, 36, .96);
  backdrop-filter: blur(18px);
}
.bottom-nav__item {
  display: flex;
  min-width: var(--touch);
  min-height: 60px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 3px;
  border-radius: 12px;
  color: var(--muted);
  font-size: .72rem;
  text-decoration: none;
}
.bottom-nav__item.is-active { color: var(--accent); background: rgba(103, 168, 255, .09); }
.bottom-nav__icon { display: grid; min-height: 22px; place-items: center; font-size: 1.3rem; font-weight: 750; line-height: 1; }

.page-heading { display: flex; justify-content: space-between; gap: 16px; margin: 2px 0 20px; }
.page-heading--compact { align-items: flex-start; }
.page-heading__description { max-width: 42rem; margin-bottom: 0; color: var(--muted); line-height: 1.65; }
.eyebrow { margin-bottom: 6px; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.muted { color: var(--muted); }
.session-pill, .data-badge { display: inline-flex; min-height: 32px; align-items: center; padding: 5px 10px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: .76rem; white-space: nowrap; }

.decision-card, .panel, .metric-card, .empty-state, .login-card, .offline-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(23, 38, 58, .97), rgba(12, 24, 39, .97));
  box-shadow: 0 18px 50px rgba(0, 0, 0, .16);
}
.decision-card { position: relative; overflow: hidden; padding: 20px; }
.decision-card::before { position: absolute; top: 0; bottom: 0; left: 0; width: 4px; background: var(--warning); content: ""; }
.decision-card--allowed::before { background: var(--down); }
.decision-card--blocked::before { background: var(--warning); }
.decision-card__label { margin-bottom: 8px; color: var(--muted); font-size: .78rem; }
.decision-card h2 { margin-bottom: 8px; font-size: 1.55rem; }
.decision-card p:last-child { margin-bottom: 0; color: var(--muted); line-height: 1.55; }

.metric-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 14px 0; }
.metric-card { min-height: 126px; padding: 16px; }
.metric-card span, .metric-card small { display: block; color: var(--muted); }
.metric-card span { font-size: .76rem; }
.metric-card strong { display: block; margin: 10px 0 6px; font-size: 1.35rem; }
.metric-card small { font-size: .72rem; line-height: 1.45; }

.panel { margin-top: 14px; padding: 18px; }
.panel__heading { display: flex; justify-content: space-between; }
.panel__heading h2 { margin-bottom: 0; }

.alert { padding: 13px 14px; border: 1px solid var(--border); border-radius: var(--radius-md); line-height: 1.55; }
.alert--warning { border-color: #725a25; background: var(--warning-bg); color: #ffe1a5; }
.alert--danger { border-color: #783341; background: var(--danger-bg); color: #ffc8cc; }
.alert--success { border-color: #26624b; background: rgba(35, 120, 82, .18); color: #b8f5d8; }

.direction-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 16px; font-size: .8rem; }
.change { font-weight: 800; }
.change--up { color: var(--up); }
.change--up::before { content: "▲ + "; }
.change--down { color: var(--down); }
.change--down::before { content: "▼ − "; }

.empty-state { padding: 34px 22px; text-align: center; }
.empty-state__icon { display: grid; width: 58px; height: 58px; margin: 0 auto 16px; place-items: center; border: 1px dashed var(--border); border-radius: 50%; color: var(--muted); font-size: 1.8rem; }
.empty-state p { max-width: 34rem; margin: 0 auto 18px; color: var(--muted); line-height: 1.65; }
.empty-inline { padding: 18px 4px; color: var(--muted); text-align: center; }

.menu-list { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface-soft); }
.menu-list a { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 16px; border-bottom: 1px solid var(--border); text-decoration: none; }
.menu-list a:last-child { border-bottom: 0; }
.menu-list a > span:first-child { display: flex; min-width: 0; flex-direction: column; gap: 5px; }
.menu-list strong { font-size: .96rem; }
.menu-list small { color: var(--muted); font-size: .75rem; line-height: 1.45; }
.menu-list a > span:last-child { color: var(--muted); font-size: 1.5rem; }
.logout-form { margin-top: 20px; }

.login-card, .offline-card { width: min(100%, 430px); padding: 26px 22px; }
.login-card__mark, .offline-card__icon { display: grid; width: 54px; height: 54px; margin-bottom: 20px; place-items: center; border-radius: 16px; background: rgba(103, 168, 255, .13); color: var(--accent); font-size: 1.3rem; font-weight: 850; }
.login-card__footnote { margin: 20px 0 0; color: var(--muted); font-size: .75rem; text-align: center; }
.offline-card p { color: var(--muted); line-height: 1.65; }
.offline-card__icon { color: var(--warning); background: var(--warning-bg); }

.form-stack { display: grid; gap: 8px; margin-top: 20px; }
.form-stack label { margin-top: 6px; color: var(--muted); font-size: .8rem; font-weight: 700; }
.form-stack input, .form-grid input, .form-grid select, .form-grid textarea {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-soft);
  color: var(--text);
  font-size: 1rem;
}
.form-stack input:focus { border-color: var(--accent); }
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { border-color: var(--accent); }

.button {
  display: inline-flex;
  min-width: var(--touch);
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 800;
  cursor: pointer;
}
.button--primary { margin-top: 12px; background: var(--accent-strong); color: #fff; }
.button--secondary { width: 100%; border-color: var(--border); background: transparent; color: var(--muted); }
.button--compact { min-height: 42px; padding: 8px 12px; border-color: var(--border); background: var(--surface-raised); color: var(--text); white-space: nowrap; }
.button--danger { width: 100%; margin-top: 10px; border-color: #783341; background: transparent; color: #ff9da5; }
.button:disabled { cursor: not-allowed; opacity: .45; }

.metric-card__time { font-size: 1rem !important; }
.text-link { color: var(--accent); font-size: .82rem; text-decoration: none; }
.count-pill { display: inline-grid; min-width: 30px; min-height: 30px; place-items: center; border-radius: 99px; background: var(--surface-raised); color: var(--muted); font-size: .76rem; }
.data-badge--ok { border-color: #26624b; color: #8ee7ba; }
.data-badge--danger { border-color: #783341; color: #ff9da5; }

.risk-list, .reason-list { display: grid; gap: 9px; margin: 0; padding-left: 1.2rem; color: var(--muted); line-height: 1.55; }
.risk-list li::marker { color: var(--warning); }
.reason-list li::marker { color: var(--accent); }

.stock-list { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-md); }
.stock-row { display: flex; min-height: 72px; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 14px; border-bottom: 1px solid var(--border); text-decoration: none; }
.stock-row:last-child { border-bottom: 0; }
.stock-row > span:first-child, .stock-row__decision { display: flex; flex-direction: column; gap: 4px; }
.stock-row small { color: var(--muted); font-size: .72rem; }
.stock-row__decision { flex-shrink: 0; text-align: right; }

.stock-card-list { display: grid; gap: 12px; }
.stock-card { overflow: hidden; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface-soft); }
.stock-card__main { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; color: inherit; text-decoration: none; }
.stock-card__main h2 { margin-bottom: 4px; }
.stock-card__main p { margin-bottom: 0; color: var(--muted); font-size: .78rem; }
.stock-card__price { display: flex; flex-shrink: 0; flex-direction: column; text-align: right; }
.stock-card__price strong { font-size: 1.25rem; }
.stock-card__price small { margin-top: 4px; color: var(--muted); font-size: .7rem; }
.stock-card__metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border); }
.stock-card__metrics span { display: flex; min-width: 0; flex-direction: column; gap: 4px; color: var(--muted); font-size: .68rem; }
.stock-card__metrics strong { overflow: hidden; color: var(--text); font-size: .82rem; text-overflow: ellipsis; white-space: nowrap; }
.data-warning { margin-top: 12px; padding: 9px 10px; border-radius: 9px; background: var(--danger-bg); color: #ffc8cc; font-size: .75rem; line-height: 1.45; }

.edit-panel { margin-top: 12px; border-top: 1px solid var(--border); }
.edit-panel summary { min-height: 44px; padding-top: 13px; color: var(--muted); cursor: pointer; font-size: .78rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
.form-grid label { display: flex; min-width: 0; flex-direction: column; gap: 6px; color: var(--muted); font-size: .76rem; font-weight: 700; }
.form-grid__wide, .form-grid > .button { grid-column: 1 / -1; }
.compact-grid { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border); }
.action-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }
.action-row .button { width: 100%; }
.review-checks { display: grid; gap: 4px; margin: 0; padding: 12px; border: 1px solid var(--border); border-radius: 11px; }
.review-checks legend { padding: 0 6px; color: var(--muted); font-size: .76rem; font-weight: 700; }
.check-row { display: flex !important; min-height: 44px; align-items: center; flex-direction: row !important; gap: 9px !important; }
.check-row input { width: 20px !important; min-height: 20px !important; padding: 0 !important; }

.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.detail-grid > div { min-width: 0; padding: 4px; }
.detail-grid span, .detail-grid strong { display: block; }
.detail-grid span { margin-bottom: 6px; color: var(--muted); font-size: .7rem; }
.detail-grid strong { font-size: .88rem; line-height: 1.45; overflow-wrap: anywhere; }
.detail-grid__wide { grid-column: 1 / -1; }
.source-note, .chart-note { color: var(--muted); font-size: .7rem; line-height: 1.55; }
.chart-note { margin: 8px 0 0; }
.source-note { margin: 16px 4px 0; }
.chart-scroll { width: 100%; overflow: hidden; border-radius: 12px; background: rgba(4, 12, 22, .55); }
.kline-chart { display: block; width: 100%; height: auto; }
.candle { stroke-width: 1; }
.candle--up { fill: var(--up); stroke: var(--up); }
.candle--down { fill: var(--down); stroke: var(--down); }
.ma-line { fill: none; stroke: var(--accent); stroke-width: 1.5; }

@media (min-width: 720px) {
  .app-main { padding-top: 32px; }
  .metric-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .bottom-nav { right: 50%; left: auto; width: min(620px, 100%); transform: translateX(50%); border-right: 1px solid var(--border); border-left: 1px solid var(--border); border-radius: 18px 18px 0 0; }
  .topbar { padding-right: max(24px, calc((100vw - var(--content-max)) / 2)); padding-left: max(24px, calc((100vw - var(--content-max)) / 2)); }
}

@media (max-width: 479px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid__wide, .form-grid > .button { grid-column: auto; }
  .page-heading--compact { align-items: stretch; flex-direction: column; }
  .page-heading--compact form .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f3f6fa;
    --surface: #fff;
    --surface-raised: #fff;
    --surface-soft: #f8fafc;
    --border: #d8e0e9;
    --text: #142033;
    --muted: #5e6c7d;
    --warning-bg: #fff5dc;
    --danger-bg: #fff0f2;
  }
  body { background: radial-gradient(circle at 80% -10%, rgba(53, 136, 245, .10), transparent 32rem), var(--bg); }
  .topbar, .bottom-nav { background: rgba(249, 251, 253, .94); }
  .decision-card, .panel, .metric-card, .empty-state, .login-card, .offline-card { background: rgba(255, 255, 255, .97); }
}