:root {
  --bg0: #050a16;
  --bg1: #0d1628;
  --bg2: #111f35;
  --line: #234061;
  --text: #dce9ff;
  --muted: #90a8ce;
  --cyan: #3cd7ff;
  --green: #5aeaa5;
  --red: #ff8498;
  --amber: #ffd67a;
  --panel-shadow: 0 16px 36px rgba(0, 0, 0, 0.34);
  --mono: Consolas, "Courier New", monospace;
  --sans: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--text);
  font-family: var(--sans);
  background:
    radial-gradient(circle at 10% 0%, rgba(60, 215, 255, 0.12), transparent 28%),
    radial-gradient(circle at 95% 0%, rgba(90, 234, 165, 0.08), transparent 28%),
    linear-gradient(180deg, #060d1b 0%, var(--bg0) 65%);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.12;
  background-image: radial-gradient(#2c4f75 0.5px, transparent 0.5px);
  background-size: 18px 18px;
  z-index: -1;
}

.topbar {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 11, 20, 0.92);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
}

.brand-wrap {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.brand {
  font-family: var(--mono);
  font-size: 19px;
  letter-spacing: 0.06em;
  font-weight: 800;
  color: var(--cyan);
  white-space: nowrap;
}

.subtitle {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: min(40vw, 460px);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.clock {
  font-family: var(--mono);
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.btn {
  border: none;
  cursor: pointer;
  border-radius: 10px;
  font-weight: 700;
  font-size: 12px;
  padding: 8px 11px;
  transition: 120ms ease;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  color: #032130;
  background: linear-gradient(120deg, #23d4ff, #51e7ff);
  box-shadow: 0 0 0 1px rgba(35, 212, 255, 0.45) inset;
}

.btn-ghost {
  color: var(--text);
  background: #0a1528;
  border: 1px solid #395679;
}

.help-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 8, 18, 0.58);
  opacity: 0;
  pointer-events: none;
  transition: opacity 140ms ease;
  z-index: 40;
}

.help-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(460px, calc(100vw - 24px));
  height: 100vh;
  background: linear-gradient(180deg, rgba(15, 24, 40, 0.98), rgba(8, 14, 25, 0.98));
  border-left: 1px solid rgba(61, 93, 141, 0.55);
  box-shadow: -18px 0 32px rgba(0, 0, 0, 0.35);
  transform: translateX(100%);
  transition: transform 160ms ease;
  z-index: 50;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
}

.help-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.help-drawer.open {
  transform: translateX(0);
}

.help-head {
  padding: 14px;
  border-bottom: 1px solid rgba(61, 93, 141, 0.35);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.help-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.help-subtitle {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.help-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(61, 93, 141, 0.3);
}

.help-tab {
  border: 1px solid rgba(57, 86, 121, 0.8);
  background: rgba(10, 21, 40, 0.9);
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
}

.help-tab.help-tab-active {
  color: var(--text);
  border-color: rgba(60, 215, 255, 0.55);
  background: rgba(60, 215, 255, 0.14);
}

.help-body {
  overflow: auto;
  padding: 14px;
}

.help-intro {
  border: 1px solid rgba(84, 129, 194, 0.32);
  border-radius: 10px;
  background: rgba(12, 22, 38, 0.78);
  padding: 10px 12px;
  color: #d8e6ff;
  line-height: 1.6;
  font-size: 12px;
  margin-bottom: 12px;
}

.help-section {
  display: grid;
  gap: 8px;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px dashed rgba(62, 98, 145, 0.35);
}

.help-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.help-section h3 {
  margin: 0;
  font-size: 13px;
  color: #dce8ff;
}

.help-section ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.help-section li {
  color: #d4deef;
  line-height: 1.6;
  font-size: 12px;
}

.help-section p {
  margin: 0;
  color: #d4deef;
  line-height: 1.6;
  font-size: 12px;
}

.help-detail-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.help-item-subkey {
  font-family: var(--mono);
  font-size: 11px;
  color: #8db0dc;
}

.help-item-scope {
  font-size: 11px;
  color: #d0a464;
}

.help-strategy-card {
  display: grid;
  gap: 8px;
  border: 1px solid rgba(61, 93, 141, 0.35);
  border-radius: 12px;
  background: rgba(9, 18, 31, 0.72);
  padding: 12px;
  margin-bottom: 12px;
}

.help-strategy-card:last-child {
  margin-bottom: 0;
}

.help-strategy-card-active {
  border-color: rgba(60, 215, 255, 0.55);
  box-shadow: 0 0 0 1px rgba(60, 215, 255, 0.2) inset;
}

.help-strategy-summary,
.help-strategy-detail,
.help-strategy-extra {
  color: #d4deef;
  line-height: 1.6;
  font-size: 12px;
}

.help-strategy-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.help-footer {
  min-height: 20px;
  padding: 12px 14px;
  border-top: 1px solid rgba(61, 93, 141, 0.35);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.help-footer a {
  color: var(--cyan);
  font-size: 12px;
  text-decoration: none;
}

.help-footer a:hover {
  text-decoration: underline;
}

.layout {
  padding: 14px;
  display: grid;
  gap: 14px;
  grid-template-columns: 360px minmax(560px, 1fr) 360px;
  align-items: start;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(17, 29, 48, 0.95), rgba(8, 14, 25, 0.95));
  box-shadow: var(--panel-shadow);
  overflow: hidden;
  min-width: 0;
}

.panel-head {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 12, 22, 0.72);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.head-title {
  font-family: var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.head-desc {
  font-size: 11px;
  color: var(--muted);
}

.panel-body {
  padding: 14px;
}

.stack { display: grid; gap: 14px; align-content: start; }

.chip {
  border: 1px solid rgba(60, 215, 255, 0.55);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(60, 215, 255, 0.12);
  padding: 3px 8px;
  font-size: 11px;
  white-space: nowrap;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chip.ok {
  color: var(--green);
  border-color: rgba(90, 234, 165, 0.55);
  background: rgba(90, 234, 165, 0.14);
}

.chip.warn {
  color: var(--amber);
  border-color: rgba(255, 214, 122, 0.5);
  background: rgba(255, 214, 122, 0.15);
}

.chip.err {
  color: var(--red);
  border-color: rgba(255, 132, 152, 0.52);
  background: rgba(255, 132, 152, 0.15);
}

.meta {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(7, 14, 25, 0.8);
  padding: 10px;
  margin-bottom: 12px;
  font-size: 12px;
}

.meta-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}

.meta-label { color: var(--muted); }
.meta-value { font-family: var(--mono); color: var(--text); }

.meta-value.flash-saved {
  color: var(--green);
  text-shadow: 0 0 12px rgba(90, 234, 165, 0.35);
}

.form-grid {
  display: grid;
  gap: 12px;
  max-height: 560px;
  overflow: auto;
  padding-right: 4px;
}

.strategy-guide-card {
  border: 1px solid rgba(90, 144, 255, 0.28);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(12, 25, 45, 0.95), rgba(8, 18, 33, 0.92));
  padding: 12px;
  margin-bottom: 12px;
  display: grid;
  gap: 10px;
}

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

.strategy-guide-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.strategy-guide-subtitle {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.strategy-guide-note {
  font-size: 12px;
  color: #d9e6ff;
  line-height: 1.6;
}

.strategy-guide-preview,
.strategy-guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.strategy-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(43, 83, 145, 0.35);
  border: 1px solid rgba(112, 166, 255, 0.22);
  color: var(--text);
  font-size: 11px;
  white-space: nowrap;
}

.strategy-pill.trade-up {
  background: rgba(24, 129, 91, 0.22);
  border-color: rgba(53, 202, 143, 0.28);
}

.strategy-pill.trade-down {
  background: rgba(165, 54, 54, 0.2);
  border-color: rgba(255, 120, 120, 0.24);
}

.strategy-pill.strategy-info {
  background: rgba(157, 116, 35, 0.22);
  border-color: rgba(229, 183, 92, 0.22);
}

.config-group {
  display: grid;
  gap: 8px;
}

.config-group-head {
  display: grid;
  gap: 3px;
  padding: 0 2px;
}

.config-group-title {
  font-size: 12px;
  font-weight: 700;
  color: #dce8ff;
  letter-spacing: 0.04em;
}

.config-group-desc {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

.group-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(5, 12, 22, 0.75);
  padding: 9px;
  display: grid;
  gap: 6px;
  min-width: 0;
}

.field label {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.45;
}

.field input,
.field select {
  width: 100%;
  border: 1px solid #2f4b70;
  border-radius: 8px;
  background: #0a1528;
  color: var(--text);
  padding: 6px 8px;
  font-size: 12px;
  font-family: var(--mono);
}

.field-help,
.field-scope-note,
.field-error {
  font-size: 11px;
  line-height: 1.45;
}

.field-help {
  color: var(--muted);
}

.field-scope-note {
  color: #d3a35f;
  min-height: 16px;
}

.field-error {
  color: #ff8d8d;
}

.field.field-muted {
  opacity: 0.58;
  border-style: dashed;
}

.config-group.config-group-muted .config-group-desc {
  color: #c69c58;
}

.actions {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.market-grid {
  display: grid;
  gap: 12px;
}

.market-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: end;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(6, 13, 23, 0.76);
  padding: 12px;
}

.deadline {
  font-family: var(--mono);
  font-size: 17px;
  color: #c2f2ff;
  font-weight: 700;
}

.title {
  margin-top: 4px;
  color: #e7eefc;
  font-size: 13px;
}

.slug {
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  word-break: break-all;
}

.timer-wrap { text-align: right; }
.timer-label { font-size: 11px; color: var(--muted); }
.timer-val {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1.1;
  margin-top: 2px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.box {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(6, 12, 22, 0.78);
  padding: 12px;
  display: grid;
  gap: 10px;
  min-width: 0;
}

.box-title {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.08em;
  font-weight: 700;
  font-family: var(--mono);
}

.serial-hint {
  margin-bottom: 10px;
  padding: 8px 10px;
  border: 1px solid rgba(122, 146, 178, 0.28);
  border-radius: 10px;
  color: var(--muted);
  background: rgba(10, 18, 31, 0.58);
  font-size: 12px;
}

.serial-hint.warn {
  color: var(--amber);
  border-color: rgba(245, 166, 35, 0.35);
  background: rgba(245, 166, 35, 0.08);
}

.kv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.kv {
  border: 1px solid rgba(35, 64, 97, 0.75);
  border-radius: 9px;
  padding: 8px;
  background: rgba(5, 12, 22, 0.65);
  min-width: 0;
}

.k {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.v {
  font-size: 14px;
  font-weight: 700;
  font-family: var(--mono);
  overflow-wrap: anywhere;
}

.v.pos { color: var(--green); }
.v.neg { color: var(--red); }
.v.warn { color: var(--amber); }
.v.cyan { color: var(--cyan); }

.rows { display: grid; gap: 8px; }
.row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  border-bottom: 1px dashed rgba(35, 64, 97, 0.6);
  padding-bottom: 6px;
  font-size: 12px;
}

.row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.label { color: var(--muted); }
.value { font-family: var(--mono); }

.runtime-list {
  display: grid;
  gap: 8px;
  max-height: 260px;
  overflow: auto;
  padding-right: 4px;
}

.runtime-item {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(6, 12, 22, 0.72);
  padding: 8px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
}

.runtime-item .rk { color: var(--muted); }
.runtime-item .rv { font-family: var(--mono); color: var(--text); word-break: break-all; text-align: right; }

.days-table-wrap {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: auto;
  max-height: 260px;
  background: rgba(6, 12, 22, 0.74);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

th,
td {
  padding: 8px 7px;
  border-bottom: 1px solid rgba(37, 64, 98, 0.55);
  white-space: nowrap;
  text-align: left;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #0a1424;
  color: #96afd4;
  font-size: 11px;
  letter-spacing: 0.05em;
  font-family: var(--mono);
  text-transform: uppercase;
}

tr:hover td { background: rgba(50, 88, 131, 0.1); }

.trades-panel {
  grid-column: 1 / -1;
}

.table-wrap {
  max-height: 380px;
  overflow: auto;
  border-top: 1px solid var(--line);
  background: rgba(6, 12, 22, 0.66);
}

.trade-up { color: var(--green); font-weight: 700; }
.trade-down { color: var(--red); font-weight: 700; }
.trade-skip { color: var(--amber); font-weight: 700; }
.pnl-plus { color: var(--green); font-family: var(--mono); }
.pnl-minus { color: var(--red); font-family: var(--mono); }
.recent-pending td {
  background: rgba(245, 166, 35, 0.08);
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 22px;
  font-size: 12px;
}

.footnote {
  margin-top: 8px;
  color: #87a2c9;
  font-size: 11px;
  line-height: 1.45;
}

::-webkit-scrollbar { width: 6px; height: 8px; }
::-webkit-scrollbar-track { background: #08101f; }
::-webkit-scrollbar-thumb { background: #34557e; border-radius: 999px; }

@media (max-width: 1450px) {
  .layout {
    grid-template-columns: 350px minmax(500px, 1fr);
  }

  .right-stack {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
}

@media (max-width: 1024px) {
  .layout { grid-template-columns: 1fr; }
  .right-stack { grid-column: auto; grid-template-columns: 1fr; }
  .split,
  .kv-grid,
  .group-grid { grid-template-columns: 1fr; }
  .market-header { grid-template-columns: 1fr; }
  .timer-wrap { text-align: left; }
  .subtitle { max-width: 56vw; }
  .help-drawer { width: 100vw; }
}