:root {
  --bg: #0a0e17;
  --panel: #101624;
  --panel-2: #0d1320;
  --border: #1d2637;
  --text: #e6e8ee;
  --muted: #8b93a7;
  --red: #ff4d4f;
  --red-deep: #ff2d55;
  --green: #00c07a;
  --green-deep: #00a05f;
  --amber: #f0b429;
  --accent: #7aa2ff;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

body {
  background:
    radial-gradient(1000px 420px at 85% -10%, rgba(122, 162, 255, 0.08), transparent 60%),
    var(--bg);
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 22px;
  background: rgba(10, 14, 23, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.brand-name {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-sub {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

select, input, button {
  height: 34px;
  padding: 0 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 13px;
  outline: none;
}

select:focus, input:focus, button:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(122, 162, 255, 0.22);
}

input#symbolInput {
  width: 118px;
  font-family: var(--mono);
  text-transform: uppercase;
}

button {
  cursor: pointer;
  font-weight: 600;
  color: #0a0e17;
  background: var(--accent);
  border-color: var(--accent);
}

button:disabled {
  opacity: 0.55;
  cursor: default;
}

.auto {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.auto input {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
}

.statusbar {
  padding: 8px 22px;
  color: var(--muted);
  font-size: 12px;
  border-bottom: 1px solid rgba(29, 38, 55, 0.6);
}

.error {
  margin: 14px 22px 0;
  padding: 10px 14px;
  border: 1px solid rgba(255, 45, 85, 0.45);
  border-radius: 10px;
  background: rgba(255, 45, 85, 0.08);
  color: #ffb3bd;
  font-size: 13px;
}

.hidden { display: none; }

.charts {
  padding: 18px 22px 30px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.summary {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 12px;
  padding: 16px 22px 0;
}

.summary-block {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}

.summary-title {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
}

.summary-title small {
  color: var(--muted);
  font-weight: 400;
  margin-left: 6px;
}

.sent-bars {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  margin-bottom: 6px;
}

.sent-bars .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 4px;
  vertical-align: 1px;
}

.dot-sky { background: #ff4d4f; }
.dot-earth { background: #00c07a; }
.dot-river { background: #b07cf6; }
.dot-flash { background: #3aa0ff; }

.sent-meta {
  color: var(--muted);
  font-size: 12px;
}

.sent-meta b {
  color: var(--text);
  font-family: var(--mono);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.chip {
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.overall {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.overall b {
  color: var(--text);
  font-family: var(--mono);
}

.panel {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  border-top: none;
  border-left: none;
  border-right: none;
  background: var(--panel);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.panel-head:hover {
  background: #131a2b;
}

.panel-head:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.panel-head h2 {
  margin: 0;
  font-size: 15px;
  font-family: var(--mono);
}

.panel-head h2 small {
  color: var(--muted);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 12px;
  font-weight: 400;
  margin-left: 6px;
}

.panel-last {
  color: var(--muted);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.panel-last b {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--text);
}

.panel-last .rsi-val {
  color: var(--accent);
}

.toggle-hint {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.chart-wrap {
  position: relative;
  padding: 10px;
  cursor: pointer;
}

.dual-charts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}

.sub-chart {
  position: relative;
}

.sub-label {
  position: absolute;
  top: 4px;
  right: 10px;
  z-index: 2;
  color: var(--muted);
  font-size: 11px;
  pointer-events: none;
}

.nav-wrap {
  padding: 2px 0 0;
  cursor: default;
}

.nav-label {
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 2px;
}

.nav-svg {
  display: block;
  width: 100%;
  height: auto;
  touch-action: none;
}

.nav-mini {
  fill: none;
  stroke: #4a5870;
  stroke-width: 1;
}

.nav-threshold {
  stroke: #26314a;
  stroke-width: 1;
  stroke-dasharray: 2 3;
}

.nav-window {
  fill: rgba(122, 162, 255, 0.16);
  stroke: #7aa2ff;
  stroke-width: 1;
  cursor: grab;
}

.nav-handle {
  fill: #7aa2ff;
  opacity: 0.85;
  cursor: ew-resize;
}

.rsi-chart {
  display: block;
  width: 100%;
  height: auto;
  cursor: crosshair;
}

.sent-chart {
  display: block;
  width: 100%;
  height: auto;
  cursor: crosshair;
}

.chart-tip {
  position: absolute;
  z-index: 5;
  min-width: 148px;
  padding: 8px 10px;
  border: 1px solid #2b3a55;
  border-radius: 8px;
  background: rgba(13, 19, 32, 0.96);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
  font-family: var(--mono);
  font-size: 12px;
  pointer-events: none;
}

.chart-tip .tip-time {
  color: var(--muted);
  margin-bottom: 4px;
}

.chart-tip b {
  color: var(--text);
  font-weight: 600;
}

.chart-tip .tip-status {
  margin-top: 5px;
  color: var(--accent);
}

.chart-tip .tip-sent {
  margin-top: 4px;
  color: var(--muted);
}

.chart-tip .tip-sig {
  margin-top: 6px;
  color: var(--green);
  font-weight: 700;
}

.chart-tip .tip-sig.nodata {
  color: var(--muted);
}

.chart-tip .tip-inline {
  color: var(--muted);
  font-weight: 400;
}

.chart-table {
  border-top: 1px solid var(--border);
}

.zone-xover { fill: rgba(255, 45, 85, 0.08); }
.zone-over { fill: rgba(255, 77, 79, 0.05); }
.zone-under { fill: rgba(0, 192, 122, 0.05); }
.zone-xunder { fill: rgba(0, 160, 95, 0.08); }

.grid-line {
  stroke: #1d2637;
  stroke-width: 1;
}

.threshold {
  stroke-width: 1.2;
  stroke-dasharray: 5 4;
}

.threshold.h80 { stroke: rgba(255, 45, 85, 0.75); }
.threshold.h70 { stroke: rgba(255, 77, 79, 0.45); }
.threshold.h30 { stroke: rgba(0, 192, 122, 0.45); }
.threshold.h20 { stroke: rgba(0, 160, 95, 0.75); }

.rsi-area {
  fill: rgba(122, 162, 255, 0.1);
}

.rsi-line {
  fill: none;
  stroke: #7aa2ff;
  stroke-width: 2.2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.segment {
  fill: none;
  stroke-width: 6;
  opacity: 0.45;
  stroke-linejoin: miter;
  stroke-linecap: butt;
}

.rsi-line-continuous {
  fill: none;
  stroke: #e8ecf4;
  stroke-width: 1.8;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.seg-long-strong { stroke: var(--green-deep); }
.seg-long { stroke: var(--green); }
.seg-wait { stroke: #6b7488; }
.seg-short { stroke: var(--red); }
.seg-short-strong { stroke: var(--red-deep); }
.seg-nodata { stroke: #3f4a5f; }

.strong-marker {
  font-size: 10px;
  pointer-events: none;
}

.strong-marker.mk-long { fill: var(--green); }
.strong-marker.mk-short { fill: var(--red); }

.sent-line-pos {
  fill: none;
  stroke: #ff6b6b;
  stroke-width: 2.6;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.sent-line-neg {
  fill: none;
  stroke: #2dd4a7;
  stroke-width: 2.6;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.sent-line-continuous {
  fill: none;
  stroke: #ffffff;
  stroke-width: 1.8;
  stroke-linejoin: round;
  stroke-linecap: round;
  opacity: 0.95;
}

.sent-area-pos {
  fill: rgba(255, 107, 107, 0.12);
}

.sent-area-neg {
  fill: rgba(45, 212, 167, 0.12);
}

.sent-ma {
  fill: none;
  stroke: #7aa2ff;
  stroke-width: 1.5;
  stroke-dasharray: 4 3;
  opacity: 0.85;
}

.sent-threshold {
  stroke: rgba(240, 180, 41, 0.35);
  stroke-width: 1;
  stroke-dasharray: 2 4;
}

.tip-up { color: #ff6b6b; }
.tip-down { color: #2dd4a7; }

.spread-turn {
  font-size: 11px;
  pointer-events: none;
}

.spread-turn.turn-up {
  fill: #ff6b6b;
}

.spread-turn.turn-down {
  fill: #2dd4a7;
}

.zero-line {
  stroke: #2b3a55;
  stroke-width: 1.2;
  stroke-dasharray: 4 4;
}

.last-dot {
  fill: #7aa2ff;
  stroke: #0a0e17;
  stroke-width: 1.5;
}

.hover-layer {
  fill: transparent;
}

.crosshair {
  stroke: #5b6b85;
  stroke-width: 1;
  stroke-dasharray: 3 3;
  pointer-events: none;
}

.hover-dot {
  fill: #fff;
  stroke: #7aa2ff;
  stroke-width: 2;
  pointer-events: none;
}

.global-vline {
  stroke: #e6e8ee;
  stroke-width: 1;
  stroke-dasharray: 4 3;
  opacity: 0.75;
  pointer-events: none;
}

.global-dot {
  fill: #fff;
  stroke: #7aa2ff;
  stroke-width: 2;
  pointer-events: none;
}

.axis-text {
  fill: var(--muted);
  font-size: 11px;
  font-family: var(--mono);
}

.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.table-filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
  user-select: none;
}

.table-filter input {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
}

.table-count {
  color: var(--muted);
  font-size: 12px;
  font-family: var(--mono);
}

.table-wrap {
  max-height: 520px;
  overflow-y: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--panel);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-align: left;
  padding: 9px 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody td {
  padding: 8px 16px;
  border-bottom: 1px solid rgba(29, 38, 55, 0.55);
  white-space: nowrap;
}

tbody tr:last-child td { border-bottom: none; }

td.time { color: var(--muted); font-family: var(--mono); }
td.num { font-family: var(--mono); text-align: right; }
td.rsi { font-weight: 700; }

tr.over td { background: rgba(255, 77, 79, 0.055); }
tr.over td:first-child { box-shadow: inset 3px 0 0 var(--red); }
tr.extreme-over td { background: rgba(255, 45, 85, 0.11); }
tr.extreme-over td:first-child { box-shadow: inset 3px 0 0 var(--red-deep); }

tr.under td { background: rgba(0, 192, 122, 0.055); }
tr.under td:first-child { box-shadow: inset 3px 0 0 var(--green); }
tr.extreme-under td { background: rgba(0, 160, 95, 0.11); }
tr.extreme-under td:first-child { box-shadow: inset 3px 0 0 var(--green-deep); }

tr.over td.rsi { color: var(--red); }
tr.extreme-over td.rsi { color: var(--red-deep); font-weight: 800; }
tr.under td.rsi { color: var(--green); }
tr.extreme-under td.rsi { color: var(--green-deep); font-weight: 800; }

tr.long-strong td { background: rgba(0, 160, 95, 0.12); }
tr.long-strong td:first-child { box-shadow: inset 3px 0 0 var(--green-deep); }
tr.long td { background: rgba(0, 192, 122, 0.055); }
tr.long td:first-child { box-shadow: inset 3px 0 0 var(--green); }
tr.short td { background: rgba(255, 77, 79, 0.055); }
tr.short td:first-child { box-shadow: inset 3px 0 0 var(--red); }
tr.short-strong td { background: rgba(255, 45, 85, 0.11); }
tr.short-strong td:first-child { box-shadow: inset 3px 0 0 var(--red-deep); }
tr.nodata td { opacity: 0.55; }
tr.hidden { display: none; }

tr.long-strong td.rsi { color: var(--green-deep); font-weight: 800; }
tr.long td.rsi { color: var(--green); }
tr.short td.rsi { color: var(--red); }
tr.short-strong td.rsi { color: var(--red-deep); font-weight: 800; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.badge.over {
  color: #ff9a9c;
  background: rgba(255, 77, 79, 0.12);
  border-color: rgba(255, 77, 79, 0.4);
}

.badge.xover {
  color: #ffd0d1;
  background: rgba(255, 45, 85, 0.2);
  border-color: rgba(255, 45, 85, 0.55);
}

.badge.under {
  color: #7ce7c4;
  background: rgba(0, 192, 122, 0.12);
  border-color: rgba(0, 192, 122, 0.4);
}

.badge.xunder {
  color: #b6f3dd;
  background: rgba(0, 160, 95, 0.2);
  border-color: rgba(0, 160, 95, 0.55);
}

.badge.neutral {
  color: #9aa3b5;
  background: rgba(139, 147, 167, 0.12);
  border-color: rgba(139, 147, 167, 0.3);
}

.badge.sig-long-strong {
  color: #b6f3dd;
  background: rgba(0, 160, 95, 0.2);
  border-color: rgba(0, 160, 95, 0.55);
}

.badge.sig-long {
  color: #7ce7c4;
  background: rgba(0, 192, 122, 0.12);
  border-color: rgba(0, 192, 122, 0.4);
}

.badge.sig-wait {
  color: #9aa3b5;
  background: rgba(139, 147, 167, 0.12);
  border-color: rgba(139, 147, 167, 0.3);
}

.badge.sig-short {
  color: #ff9a9c;
  background: rgba(255, 77, 79, 0.12);
  border-color: rgba(255, 77, 79, 0.4);
}

.badge.sig-short-strong {
  color: #ffd0d1;
  background: rgba(255, 45, 85, 0.2);
  border-color: rgba(255, 45, 85, 0.55);
}

.badge.sig-nodata {
  color: #7b8498;
  background: rgba(139, 147, 167, 0.08);
  border-color: rgba(139, 147, 167, 0.2);
}

.chip.sig-long-strong { color: #b6f3dd; background: rgba(0,160,95,.16); border-color: rgba(0,160,95,.5); }
.chip.sig-long { color: #7ce7c4; background: rgba(0,192,122,.1); border-color: rgba(0,192,122,.35); }
.chip.sig-wait { color: #9aa3b5; background: rgba(139,147,167,.1); border-color: rgba(139,147,167,.28); }
.chip.sig-short { color: #ff9a9c; background: rgba(255,77,79,.1); border-color: rgba(255,77,79,.35); }
.chip.sig-short-strong { color: #ffd0d1; background: rgba(255,45,85,.16); border-color: rgba(255,45,85,.5); }
.chip.sig-nodata { color: #7b8498; background: rgba(139,147,167,.06); border-color: rgba(139,147,167,.2); }

.empty {
  padding: 20px 16px;
  color: var(--muted);
}

.footer {
  padding: 18px 22px 28px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

@media (max-width: 680px) {
  .topbar { padding: 12px 14px; }
  .summary { padding: 8px 14px 0; grid-template-columns: 1fr; }
  .charts { padding: 8px 14px 20px; grid-template-columns: 1fr; }
  .table-wrap { max-height: 420px; }
  thead th, tbody td { padding-left: 10px; padding-right: 10px; }
}

@media (max-width: 900px) and (min-width: 681px) {
  .charts { grid-template-columns: 1fr; }
  .summary { grid-template-columns: 1fr; }
}