:root {
  --bg: #0f1117;
  --bg-soft: #151a24;
  --card: #1a1d2e;
  --card-2: #20263a;
  --border: #2a2d3e;
  --text: #e5e7eb;
  --text-dim: #94a3b8;
  --green: #00d4aa;
  --red: #ff5d73;
  --yellow: #f59e0b;
  --blue: #60a5fa;
  --shadow: 0 20px 60px rgba(0,0,0,.28);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(180deg, #0d1117 0%, #111827 100%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}
button, input, select { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.muted { color: var(--text-dim); }

.app-shell {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 14px 40px;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(15, 17, 23, .88);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar .status-strip {
  max-height: 120px;
  opacity: 1;
  overflow: hidden;
  transition: max-height 0.25s ease, opacity 0.2s ease;
}
.topbar.compact .status-strip {
  max-height: 0;
  opacity: 0;
  pointer-events: none;
}

.app-shell {
  padding-top: 140px;
}

.topbar-inner {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 14px 10px;
}

.topbar-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
}

.status-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 13px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--red);
  box-shadow: 0 0 0 6px rgba(255,93,115,.1);
}
.status-dot.online {
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(0,212,170,.12);
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.strip-item {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 12px;
  padding: 10px 12px;
  min-height: 64px;
}
.strip-label {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.strip-value {
  font-size: 15px;
  font-weight: 700;
}

.navbar {
  display: flex;
  gap: 8px;
  margin: 16px 0 18px;
  overflow-x: auto;
  padding-bottom: 2px;
}
.nav-btn {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--text-dim);
  padding: 10px 16px;
  border-radius: 999px;
  white-space: nowrap;
  transition: .2s ease;
}
.nav-btn.active {
  background: rgba(96,165,250,.14);
  color: var(--blue);
  border-color: rgba(96,165,250,.45);
}

.section { display: none; }
.section.active { display: block; }

.grid-two, .grid-three, .grid-four {
  display: grid;
  gap: 14px;
}
.grid-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-four { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  background: linear-gradient(180deg, rgba(30, 41, 59, .55), rgba(26, 29, 46, .96));
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 14px;
}
.card-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
}
.card-subtitle {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: -4px;
  margin-bottom: 12px;
}

.metric-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.metric-item {
  border: 1px solid rgba(255,255,255,.05);
  background: rgba(255,255,255,.03);
  border-radius: 12px;
  padding: 12px;
}
.metric-label {
  font-size: 12px;
  color: var(--text-dim);
}
.metric-value {
  font-size: 18px;
  font-weight: 700;
  margin-top: 4px;
}
.metric-value.green { color: var(--green); }
.metric-value.red { color: var(--red); }
.metric-value.yellow { color: var(--yellow); }
.metric-value.blue { color: var(--blue); }

.account-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.account-card {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 14px;
  padding: 14px;
}
.account-card.real { border-left: 3px solid var(--green); }
.account-card.sim { border-left: 3px solid var(--yellow); }
.account-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.account-head strong { font-size: 15px; }

.pnl-hero {
  padding: 12px 0 14px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.pnl-hero-label {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.pnl-hero-value {
  font-size: 24px;
  line-height: 1.2;
  font-weight: 700;
}
.pnl-hero.positive .pnl-hero-value { color: #f23645; }
.pnl-hero.negative .pnl-hero-value { color: #00d4aa; }
.pnl-hero-sub {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-dim);
}

.kv-list { display: flex; flex-direction: column; gap: 8px; }
.kv-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}
.kv-row span:first-child { color: var(--text-dim); }
.kv-row strong { text-align: right; }

.feed-list, .stack-list, .accordion-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feed-item, .stack-item, .accordion-item {
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.03);
  border-radius: 12px;
  padding: 12px;
}
.feed-title, .stack-title {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
}
.feed-meta, .stack-meta, .accordion-meta {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 6px;
}
.feed-text, .accordion-preview, .accordion-body, .stack-text {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 13px;
}
.accordion-list.audit-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}
.audit-item {
  padding: 0;
  overflow: hidden;
}
.accordion-toggle {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: inherit;
  padding: 12px;
  cursor: pointer;
}
.audit-item.is-open {
  border-color: rgba(255,255,255,.1);
  background: rgba(255,255,255,.045);
}
.audit-item .accordion-preview {
  display: -webkit-box;
  line-clamp: 4;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-dim);
}
.audit-item .accordion-body {
  padding: 0 12px 12px;
  color: var(--text);
  border-top: 1px solid rgba(255,255,255,.05);
  max-height: 320px;
  overflow: auto;
}
.audit-item .accordion-body.hidden {
  display: none;
}
@media (max-width: 1100px) {
  .accordion-list.audit-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 720px) {
  .accordion-list.audit-columns {
    grid-template-columns: 1fr;
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.badge.buy, .badge.allow, .badge.done, .badge.online { background: rgba(0,212,170,.14); color: var(--green); }
.badge.sell, .badge.block, .badge.rejected, .badge.offline { background: rgba(255,93,115,.14); color: var(--red); }
.badge.wait, .badge.mid, .badge.pending { background: rgba(245,158,11,.14); color: var(--yellow); }
.badge.info, .badge.processing, .badge.high { background: rgba(96,165,250,.14); color: var(--blue); }
.badge.low { background: rgba(255,255,255,.08); color: var(--text-dim); }

.command-bar, .trade-protect, .trade-layout {
  display: grid;
  gap: 14px;
}
.trade-layout { grid-template-columns: 1.1fr 1fr; }

.form-grid {
  display: grid;
  gap: 12px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 600;
}
.form-group input, .form-group select {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 14px;
  outline: none;
}
.form-hint {
  font-size: 12px;
  color: var(--text-dim);
}
.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
.password-input-wrapper input {
  flex: 1;
  padding-right: 40px;
}
.password-toggle {
  position: absolute;
  right: 8px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  opacity: 0.6;
  transition: opacity 0.2s;
}
.password-toggle:hover {
  opacity: 1;
}
.password-toggle svg {
  fill: currentColor;
}
.price-box, .trade-state-bar {
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.03);
  border-radius: 12px;
  padding: 10px 12px;
}
.price-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

.quick-row, .action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.btn, .quick-btn {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  background: rgba(255,255,255,.04);
  color: var(--text);
}
.btn.primary { background: rgba(0,212,170,.14); border-color: rgba(0,212,170,.28); color: var(--green); }
.btn.danger { background: rgba(255,93,115,.14); border-color: rgba(255,93,115,.28); color: var(--red); }
.btn.info { background: rgba(96,165,250,.14); border-color: rgba(96,165,250,.28); color: var(--blue); }
.btn.submit-buy { background: var(--green); color: #06251d; border-color: transparent; font-weight: 700; }
.btn.submit-sell { background: var(--red); color: #2d0c12; border-color: transparent; font-weight: 700; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.positions-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.position-card {
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.03);
  border-radius: 14px;
  padding: 14px;
}
.position-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.position-code {
  font-size: 15px;
  font-weight: 700;
}
.position-name {
  font-size: 12px;
  color: var(--text-dim);
}
.position-pnl.green { color: var(--green); }
.position-pnl.red { color: var(--red); }

.accordion-toggle {
  width: 100%;
  background: transparent;
  border: none;
  color: inherit;
  padding: 0;
  text-align: left;
}
.accordion-body.hidden { display: none; }

.table-wrap {
  overflow-x: auto;
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.table th, .table td {
  border-bottom: 1px solid rgba(255,255,255,.06);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}
.table th {
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 600;
}

.empty {
  color: var(--text-dim);
  text-align: center;
  padding: 16px 10px;
}

.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 12px;
  padding: 12px 18px;
  color: #fff;
  font-size: 14px;
  z-index: 9999;
}
.toast.success { background: var(--green); color: #06251d; }
.toast.error { background: var(--red); color: #fff; }
.toast.info { background: var(--blue); color: #081422; }

@media (max-width: 900px) {
  .status-strip, .grid-four, .grid-three, .grid-two, .trade-layout, .account-grid, .positions-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .topbar-inner, .app-shell { padding-left: 12px; padding-right: 12px; }
  .topbar-head { align-items: flex-start; flex-direction: column; }
  .brand-title { font-size: 16px; }
  .strip-item { min-height: auto; }
  .metric-list { grid-template-columns: 1fr 1fr; }
  .btn, .quick-btn, .nav-btn { min-height: 42px; }
}