:root {
  color-scheme: dark;
  --bg: #060809;
  --body-grid-1: rgba(71, 255, 218, 0.06);
  --body-grid-2: rgba(69, 245, 208, 0.025);
  --body-accent: rgba(255, 79, 184, 0.1);
  --panel: #101416;
  --panel-2: #151b1d;
  --panel-3: #0c1012;
  --ink: #eef7f3;
  --strong: #ffffff;
  --muted: #8fa09b;
  --faint: #5e6d68;
  --line: rgba(151, 178, 169, 0.22);
  --line-strong: rgba(82, 255, 217, 0.36);
  --cyan: #45f5d0;
  --blue: #5aa9ff;
  --amber: #ffbd4a;
  --magenta: #ff4fb8;
  --green: #4be07d;
  --red: #ff5c5c;
  --topbar-bg: rgba(6, 8, 9, 0.92);
  --nav-bg: rgba(16, 20, 22, 0.72);
  --link-bg: rgba(16, 20, 22, 0.86);
  --system-bg: rgba(16, 20, 22, 0.95);
  --control-rail-bg: linear-gradient(180deg, rgba(18, 25, 26, 0.98), rgba(8, 12, 13, 0.98));
  --input-bg: #080d0f;
  --input-border: rgba(143, 160, 155, 0.35);
  --button-bg: linear-gradient(135deg, #263136, #111618);
  --subpanel-bg: rgba(5, 7, 8, 0.58);
  --subpanel-bg-strong: rgba(5, 7, 8, 0.74);
  --gauge-bg: rgba(5, 7, 8, 0.68);
  --canvas-bg: #070a0b;
  --chart-grid: rgba(143, 160, 155, 0.18);
  --chart-grid-strong: rgba(143, 160, 155, 0.28);
  --chart-price: #eef7f3;
  --chart-divider: rgba(255, 189, 74, 0.35);
  --scene-bg-color: #050708;
  --scene-grid-1: rgba(69, 245, 208, 0.055);
  --scene-grid-2: rgba(69, 245, 208, 0.04);
  --tooltip-bg: #050708;
  --warning-ink: #ffe1a3;
  --footer-bg: rgba(6, 8, 9, 0.9);
  --mobile-nav-bg: rgba(6, 8, 9, 0.92);
  --shadow: 0 22px 52px rgba(0, 0, 0, 0.42);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f8fa;
  --body-grid-1: rgba(0, 119, 140, 0.07);
  --body-grid-2: rgba(0, 119, 140, 0.045);
  --body-accent: rgba(0, 143, 158, 0.09);
  --panel: #ffffff;
  --panel-2: #f5fbfc;
  --panel-3: #edf5f7;
  --ink: #10242a;
  --strong: #071419;
  --muted: #526a70;
  --faint: #7a8b90;
  --line: rgba(14, 53, 64, 0.16);
  --line-strong: rgba(0, 143, 158, 0.32);
  --cyan: #008f9e;
  --blue: #2f73db;
  --amber: #b46a00;
  --magenta: #c1357c;
  --green: #168348;
  --red: #ca3f3f;
  --topbar-bg: rgba(255, 255, 255, 0.9);
  --nav-bg: rgba(239, 248, 250, 0.78);
  --link-bg: rgba(255, 255, 255, 0.86);
  --system-bg: rgba(246, 251, 252, 0.94);
  --control-rail-bg: linear-gradient(180deg, rgba(250, 253, 254, 0.98), rgba(232, 242, 245, 0.98));
  --input-bg: #ffffff;
  --input-border: rgba(31, 75, 86, 0.22);
  --button-bg: linear-gradient(135deg, #ffffff, #e7f4f6);
  --subpanel-bg: rgba(244, 250, 252, 0.92);
  --subpanel-bg-strong: rgba(236, 247, 249, 0.96);
  --gauge-bg: rgba(239, 248, 250, 0.92);
  --canvas-bg: #fbfefe;
  --chart-grid: rgba(42, 75, 82, 0.14);
  --chart-grid-strong: rgba(42, 75, 82, 0.24);
  --chart-price: #10242a;
  --chart-divider: rgba(180, 106, 0, 0.34);
  --scene-bg-color: #061013;
  --scene-grid-1: rgba(0, 143, 158, 0.06);
  --scene-grid-2: rgba(0, 143, 158, 0.04);
  --tooltip-bg: #ffffff;
  --warning-ink: #764b05;
  --footer-bg: rgba(255, 255, 255, 0.92);
  --mobile-nav-bg: rgba(255, 255, 255, 0.94);
  --shadow: 0 18px 42px rgba(21, 48, 58, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  background:
    linear-gradient(var(--body-grid-1) 1px, transparent 1px),
    linear-gradient(90deg, var(--body-grid-2) 1px, transparent 1px),
    radial-gradient(circle at 65% 0%, var(--body-accent), transparent 28%),
    var(--bg);
  background-size: 34px 34px, 34px 34px, 100% 100%, auto;
  color: var(--ink);
  margin: 0;
}

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

.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  align-items: center;
  backdrop-filter: blur(18px) saturate(1.25);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(230px, 1fr) auto minmax(220px, 1fr);
  min-height: 74px;
  padding: 14px 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar h1,
.instrument-bar h2,
.chart-section h3 {
  letter-spacing: 0;
  margin: 0;
}

.topbar h1 {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  font-size: 24px;
  gap: 10px;
}

.topbar h1 span {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.brand-lockup {
  color: inherit;
  min-width: 0;
  text-decoration: none;
}

.brand-lockup:focus-visible,
.topbar-nav a:focus-visible,
.app-footer a:focus-visible,
.mobile-bottom-nav a:focus-visible,
.mobile-bottom-nav button:focus-visible,
.theme-toggle:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.topbar-nav {
  align-items: center;
  background: var(--nav-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  gap: 4px;
  justify-self: center;
  padding: 4px;
}

.topbar-nav a {
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  min-height: 30px;
  padding: 7px 10px;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.topbar-nav a:hover {
  background: rgba(69, 245, 208, 0.08);
  border-color: rgba(69, 245, 208, 0.26);
  color: var(--cyan);
}

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

.ghost-link {
  align-items: center;
  background: var(--link-bg);
  border: 1px solid rgba(69, 245, 208, 0.26);
  border-radius: 6px;
  color: var(--ink);
  display: inline-flex;
  font-size: 12px;
  font-weight: 850;
  justify-content: center;
  min-height: 34px;
  min-width: 76px;
  padding: 0 12px;
  text-decoration: none;
  text-transform: uppercase;
}

.ghost-link:hover,
.ghost-link:focus {
  border-color: rgba(69, 245, 208, 0.72);
  color: var(--cyan);
  outline: none;
}

.eyebrow,
.section-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.09em;
  margin: 0 0 4px;
  text-transform: uppercase;
}

.theme-toggle {
  align-items: center;
  background: var(--button-bg);
  border: 1px solid rgba(69, 245, 208, 0.3);
  border-radius: 6px;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  gap: 8px;
  justify-content: center;
  min-height: 34px;
  min-width: 106px;
  padding: 0 12px;
  text-transform: uppercase;
}

.theme-toggle span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.theme-toggle strong {
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0;
}

.theme-toggle:hover {
  border-color: rgba(69, 245, 208, 0.72);
  color: var(--cyan);
}

.theme-toggle.compact {
  min-width: 0;
}

.system-strip {
  align-items: center;
  background: var(--system-bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  display: flex;
  gap: 8px;
  min-height: 34px;
  padding: 0 13px;
  white-space: nowrap;
}

.status-dot {
  background: var(--muted);
  border-radius: 50%;
  display: inline-block;
  height: 9px;
  width: 9px;
}

.status-dot.loading {
  background: var(--amber);
  box-shadow: 0 0 16px rgba(255, 189, 74, 0.6);
}

.status-dot.ready {
  background: var(--green);
  box-shadow: 0 0 16px rgba(75, 224, 125, 0.55);
}

.status-dot.error {
  background: var(--red);
  box-shadow: 0 0 16px rgba(255, 92, 92, 0.55);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(244px, 284px) minmax(0, 1fr);
  min-height: calc(100vh - 74px);
}

.control-rail {
  background: var(--control-rail-bg);
  border-right: 1px solid var(--line);
  padding: 22px 18px;
}

.control-form,
.rail-section {
  display: grid;
  gap: 10px;
}

.rail-section {
  border-top: 1px solid var(--line);
  margin-top: 24px;
  padding-top: 22px;
}

label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

input,
select {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  color: var(--ink);
  min-height: 42px;
  outline: none;
  padding: 0 12px;
  width: 100%;
}

input:focus,
select:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(69, 245, 208, 0.14);
}

button {
  background: var(--button-bg);
  border: 1px solid rgba(69, 245, 208, 0.3);
  border-radius: 6px;
  color: var(--ink);
  cursor: pointer;
  font-weight: 850;
  min-height: 42px;
  padding: 0 14px;
}

button:hover {
  border-color: rgba(69, 245, 208, 0.72);
  color: var(--cyan);
}

button:disabled {
  cursor: wait;
  opacity: 0.58;
}

.terminal {
  display: grid;
  gap: 16px;
  padding: 20px;
}

.instrument-bar,
.buy-panel,
.chart-section,
.score-panel,
.warning-panel,
.metric {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 34%),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.instrument-bar {
  align-items: center;
  border-color: rgba(69, 245, 208, 0.28);
  display: flex;
  justify-content: space-between;
  min-height: 82px;
  padding: 18px 20px;
}

.instrument-bar h2 {
  color: var(--strong);
  font-size: 27px;
}

.posture-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  min-width: 108px;
  padding: 8px 13px;
  text-align: center;
  text-transform: uppercase;
}

.posture-pill.accumulate {
  background: rgba(75, 224, 125, 0.12);
  border-color: rgba(75, 224, 125, 0.46);
  color: var(--green);
}

.posture-pill.reduce {
  background: rgba(255, 92, 92, 0.13);
  border-color: rgba(255, 92, 92, 0.42);
  color: var(--red);
}

.posture-pill.watch {
  background: rgba(255, 189, 74, 0.12);
  border-color: rgba(255, 189, 74, 0.42);
  color: var(--amber);
}

.buy-panel {
  border-color: rgba(143, 160, 155, 0.24);
  box-shadow: var(--shadow);
  display: grid;
  gap: 14px;
  padding: 16px;
}

.buy-panel.positive {
  background:
    linear-gradient(135deg, rgba(75, 224, 125, 0.13), transparent 44%),
    var(--panel);
  border-color: rgba(75, 224, 125, 0.42);
}

.buy-panel.negative {
  background:
    linear-gradient(135deg, rgba(255, 92, 92, 0.13), transparent 44%),
    var(--panel);
  border-color: rgba(255, 92, 92, 0.42);
}

.buy-panel.neutral {
  background:
    linear-gradient(135deg, rgba(255, 189, 74, 0.1), transparent 44%),
    var(--panel);
  border-color: rgba(255, 189, 74, 0.3);
}

.buy-head {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.buy-head h3 {
  font-size: clamp(22px, 3vw, 36px);
  letter-spacing: 0;
  line-height: 1.03;
  margin: 0;
  text-transform: uppercase;
}

.buy-panel.positive .buy-head h3 {
  color: var(--green);
}

.buy-panel.negative .buy-head h3 {
  color: var(--red);
}

.buy-panel.neutral .buy-head h3 {
  color: var(--ink);
}

.setup-gauge {
  align-items: flex-end;
  background: var(--gauge-bg);
  border: 1px solid rgba(143, 160, 155, 0.2);
  border-radius: 6px;
  display: grid;
  min-width: 112px;
  padding: 10px 12px;
  text-align: right;
}

.setup-gauge span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.setup-gauge strong {
  color: var(--strong);
  font-size: 32px;
  line-height: 1;
}

.buy-summary {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.45;
  margin: 0;
  max-width: 860px;
}

.buy-levels {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(6, minmax(126px, 1fr));
}

.buy-level {
  background: var(--subpanel-bg);
  border: 1px solid rgba(143, 160, 155, 0.18);
  border-radius: 6px;
  min-height: 74px;
  padding: 10px 11px;
}

.buy-level span {
  color: var(--muted);
  display: block;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.07em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.buy-level strong {
  color: var(--strong);
  display: block;
  font-size: 18px;
  letter-spacing: 0;
  line-height: 1.15;
}

.buy-reasons {
  color: var(--muted);
  display: grid;
  gap: 6px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.buy-reasons li {
  border-left: 2px solid rgba(69, 245, 208, 0.32);
  font-size: 12px;
  line-height: 1.35;
  padding-left: 10px;
}

.metric-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(8, minmax(118px, 1fr));
}

.metric {
  box-shadow: none;
  min-height: 94px;
  padding: 13px;
}

.metric span {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 10px;
  font-weight: 850;
  gap: 6px;
  letter-spacing: 0.07em;
  margin-bottom: 8px;
  min-height: 16px;
  text-transform: uppercase;
}

.metric strong {
  color: var(--strong);
  display: block;
  font-size: 21px;
  letter-spacing: 0;
  line-height: 1.12;
}

.metric small {
  color: var(--muted);
  display: block;
  font-size: 12px;
  margin-top: 7px;
}

.metric.positive strong,
.buy-level.positive strong,
.summary-strip .positive,
.score-panel strong.positive,
dd.positive,
.setup-gauge strong.positive {
  color: var(--green);
}

.metric.negative strong,
.buy-level.negative strong,
.summary-strip .negative,
.score-panel strong.negative,
dd.negative,
.setup-gauge strong.negative {
  color: var(--red);
}

.metric.neutral strong,
.buy-level.neutral strong,
.summary-strip .neutral,
.score-panel strong.neutral,
dd.neutral,
.setup-gauge strong.neutral {
  color: var(--ink);
}

.chart-section {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.section-header {
  align-items: center;
  display: flex;
  gap: 14px;
  justify-content: space-between;
}

.section-header.compact {
  align-items: baseline;
}

.section-header h3 {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  font-size: 18px;
  gap: 8px;
}

.legend,
.summary-strip {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 12px;
  gap: 12px;
  justify-content: flex-end;
}

.legend i {
  border-radius: 999px;
  display: inline-block;
  height: 8px;
  margin-right: 5px;
  width: 20px;
}

.legend-price {
  background: var(--ink);
}

.legend-forecast {
  background: var(--cyan);
}

.legend-band {
  background: rgba(69, 245, 208, 0.24);
}

.legend-energy {
  background: var(--cyan);
}

.legend-risk {
  background: var(--magenta);
}

canvas {
  background: var(--canvas-bg);
  border: 1px solid rgba(143, 160, 155, 0.22);
  border-radius: 6px;
  display: block;
  height: auto;
  max-height: 520px;
  width: 100%;
}

.wave-scene {
  background:
    linear-gradient(var(--scene-grid-1) 1px, transparent 1px),
    linear-gradient(90deg, var(--scene-grid-2) 1px, transparent 1px),
    var(--scene-bg-color);
  background-size: 28px 28px;
  border: 1px solid rgba(69, 245, 208, 0.28);
  border-radius: 6px;
  cursor: grab;
  height: min(50vh, 440px);
  min-height: 300px;
  overflow: hidden;
  position: relative;
  touch-action: none;
  user-select: none;
}

.wave-scene.dragging {
  cursor: grabbing;
}

.wave-scene::after {
  border: 1px solid rgba(255, 189, 74, 0.22);
  content: "";
  inset: 12px;
  pointer-events: none;
  position: absolute;
}

.wave-scene canvas {
  background: transparent;
  border: 0;
  height: 100%;
  max-height: none;
}

.scene-readout {
  align-items: center;
  bottom: 14px;
  color: var(--ink);
  display: flex;
  flex-wrap: wrap;
  font-size: 11px;
  font-weight: 800;
  gap: 7px;
  left: 14px;
  letter-spacing: 0.02em;
  position: absolute;
  right: 14px;
  z-index: 2;
}

.scene-readout span {
  background: var(--subpanel-bg-strong);
  border: 1px solid rgba(69, 245, 208, 0.26);
  border-radius: 999px;
  padding: 5px 8px;
}

.score-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.score-panel {
  box-shadow: none;
  display: grid;
  gap: 12px;
  padding: 15px;
}

.score-panel strong {
  color: var(--strong);
  font-size: 22px;
}

.score-bar {
  background: var(--scene-bg-color);
  border: 1px solid rgba(143, 160, 155, 0.15);
  border-radius: 999px;
  height: 9px;
  overflow: hidden;
}

.score-bar span {
  background: var(--cyan);
  box-shadow: 0 0 18px currentColor;
  display: block;
  height: 100%;
  width: 0%;
}

dl {
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr) auto;
  margin: 0;
}

dt,
dd {
  font-size: 12px;
  margin: 0;
  min-width: 0;
}

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

dd {
  color: var(--ink);
  font-weight: 800;
  max-width: 150px;
  overflow-wrap: anywhere;
  text-align: right;
}

.warning-panel {
  background: rgba(255, 189, 74, 0.1);
  box-shadow: none;
  color: var(--warning-ink);
  padding: 14px 16px;
}

.info-dot {
  align-items: center;
  background: rgba(69, 245, 208, 0.1);
  border: 1px solid rgba(69, 245, 208, 0.42);
  border-radius: 50%;
  color: var(--cyan);
  cursor: help;
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 10px;
  font-style: normal;
  font-weight: 950;
  height: 17px;
  justify-content: center;
  letter-spacing: 0;
  line-height: 1;
  position: relative;
  text-transform: none;
  width: 17px;
}

.info-dot::after {
  background: var(--tooltip-bg);
  border: 1px solid rgba(69, 245, 208, 0.48);
  border-radius: 6px;
  bottom: calc(100% + 10px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.45);
  color: var(--ink);
  content: attr(data-tip);
  font-size: 12px;
  font-weight: 650;
  left: 50%;
  letter-spacing: 0;
  line-height: 1.35;
  max-width: min(280px, 70vw);
  min-width: 220px;
  opacity: 0;
  padding: 10px 11px;
  pointer-events: none;
  position: absolute;
  text-transform: none;
  transform: translate(-50%, 5px);
  transition: opacity 140ms ease, transform 140ms ease;
  visibility: hidden;
  z-index: 40;
}

.info-dot:hover::after,
.info-dot:focus::after {
  opacity: 1;
  transform: translate(-50%, 0);
  visibility: visible;
}

.hidden {
  display: none;
}

#terminal,
#risk,
#validation,
#guide {
  scroll-margin-top: 96px;
}

.app-footer {
  align-items: center;
  background: var(--footer-bg);
  border-top: 1px solid var(--line);
  display: flex;
  gap: 18px;
  justify-content: space-between;
  padding: 20px 24px;
}

.app-footer strong {
  color: var(--strong);
  display: block;
  font-size: 14px;
  letter-spacing: 0;
  margin-bottom: 4px;
}

.app-footer p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  margin: 0;
  max-width: 720px;
}

.app-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.app-footer a {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  min-height: 32px;
  padding: 8px 10px;
  text-decoration: none;
  text-transform: uppercase;
}

.app-footer a:hover {
  border-color: rgba(69, 245, 208, 0.46);
  color: var(--cyan);
}

.mobile-bottom-nav {
  display: none;
}

.help-app {
  min-height: 100vh;
}

.help-shell {
  display: grid;
  gap: 22px;
  margin: 0 auto;
  max-width: 1260px;
  padding: 24px;
}

.help-hero {
  background:
    linear-gradient(135deg, rgba(69, 245, 208, 0.12), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 36%),
    var(--panel);
  border: 1px solid rgba(69, 245, 208, 0.28);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
  min-height: 260px;
  padding: 28px;
}

.help-hero h2 {
  color: var(--strong);
  font-size: 42px;
  letter-spacing: 0;
  line-height: 1.02;
  margin: 0 0 14px;
}

.help-hero p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
  margin: 0;
  max-width: 820px;
}

.help-status-grid {
  align-self: stretch;
  display: grid;
  gap: 10px;
}

.help-status-grid div {
  align-content: center;
  background: var(--subpanel-bg);
  border: 1px solid rgba(143, 160, 155, 0.2);
  border-radius: 6px;
  display: grid;
  min-height: 68px;
  padding: 12px;
}

.help-status-grid span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.help-status-grid strong {
  color: var(--ink);
  font-size: 20px;
  line-height: 1.15;
}

.help-status-grid div:first-child strong {
  color: var(--green);
}

.help-status-grid div:nth-child(2) strong {
  color: var(--red);
}

.help-nav {
  background: var(--footer-bg);
  border: 1px solid rgba(143, 160, 155, 0.18);
  border-radius: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  position: sticky;
  top: 88px;
  z-index: 4;
}

.help-nav a {
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  min-height: 34px;
  padding: 8px 10px;
  text-decoration: none;
  text-transform: uppercase;
}

.help-nav a:hover,
.help-nav a:focus {
  background: rgba(69, 245, 208, 0.08);
  border-color: rgba(69, 245, 208, 0.28);
  color: var(--cyan);
  outline: none;
}

.help-section {
  border-top: 1px solid rgba(143, 160, 155, 0.18);
  display: grid;
  gap: 14px;
  padding-top: 20px;
  scroll-margin-top: 150px;
}

.help-section h3 {
  font-size: 24px;
  letter-spacing: 0;
  margin: 0;
}

.help-section h4 {
  color: var(--strong);
  font-size: 16px;
  letter-spacing: 0;
  line-height: 1.15;
  margin: 0 0 8px;
}

.help-section p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.48;
  margin: 0;
}

.workflow-steps,
.help-grid {
  display: grid;
  gap: 12px;
}

.workflow-steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.help-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.help-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.workflow-steps article,
.help-card,
.signal-table,
.help-callout {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 38%),
    var(--panel);
  border: 1px solid rgba(143, 160, 155, 0.2);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}

.workflow-steps article,
.help-card {
  min-height: 150px;
  padding: 16px;
}

.workflow-steps article span {
  color: var(--cyan);
  display: block;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 16px;
}

.help-card.positive {
  border-color: rgba(75, 224, 125, 0.34);
}

.help-card.neutral {
  border-color: rgba(255, 189, 74, 0.3);
}

.help-card.negative {
  border-color: rgba(255, 92, 92, 0.34);
}

.help-card.positive h4 {
  color: var(--green);
}

.help-card.neutral h4 {
  color: var(--ink);
}

.help-card.negative h4 {
  color: var(--red);
}

.signal-table {
  display: grid;
  overflow: hidden;
}

.signal-table div {
  align-items: start;
  border-top: 1px solid rgba(143, 160, 155, 0.14);
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(128px, 180px) minmax(0, 1fr);
  padding: 14px 16px;
}

.signal-table div:first-child {
  border-top: 0;
}

.signal-table strong {
  color: var(--strong);
  font-size: 14px;
  letter-spacing: 0;
}

.signal-table span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.42;
}

.compact-table div {
  grid-template-columns: minmax(76px, 100px) minmax(0, 1fr);
}

.help-callout {
  background:
    linear-gradient(135deg, rgba(255, 189, 74, 0.12), transparent 44%),
    var(--panel);
  border-color: rgba(255, 189, 74, 0.28);
  padding: 18px;
}

@media (max-width: 1100px) {
  .topbar {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .topbar-nav {
    justify-self: start;
    max-width: 100%;
    overflow-x: auto;
  }

  .topbar-actions {
    justify-content: flex-start;
    width: 100%;
  }
}

@media (max-width: 1380px) {
  .metric-grid {
    grid-template-columns: repeat(4, minmax(130px, 1fr));
  }

  .buy-levels {
    grid-template-columns: repeat(3, minmax(126px, 1fr));
  }

  .score-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .score-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .help-hero,
  .workflow-steps,
  .help-grid.two,
  .help-grid.three {
    grid-template-columns: 1fr;
  }

  .help-nav {
    position: static;
  }
}

@media (max-width: 820px) {
  body {
    padding-bottom: 82px;
  }

  .topbar {
    align-items: start;
    gap: 12px;
    grid-template-columns: 1fr;
    padding: 12px 14px;
  }

  .instrument-bar,
  .section-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .workspace {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .control-rail {
    border-bottom: 1px solid var(--line);
    border-right: 0;
  }

  .terminal {
    padding: 14px;
  }

  .topbar h1 {
    font-size: 21px;
  }

  .topbar h1 span {
    font-size: 10px;
  }

  .topbar-nav {
    justify-content: flex-start;
    width: 100%;
  }

  .theme-toggle {
    min-width: 98px;
  }

  .metric-grid,
  .buy-levels,
  .score-grid {
    grid-template-columns: 1fr;
  }

  .buy-head,
  .buy-reasons {
    grid-template-columns: 1fr;
  }

  .buy-head {
    align-items: stretch;
    flex-direction: column;
  }

  .setup-gauge {
    text-align: left;
  }

  .topbar-actions {
    justify-content: space-between;
  }

  .app-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 14px 24px;
  }

  .app-footer nav {
    justify-content: flex-start;
  }

  .mobile-bottom-nav {
    backdrop-filter: blur(18px) saturate(1.25);
    background: var(--mobile-nav-bg);
    border: 1px solid var(--line);
    border-radius: 8px;
    bottom: 10px;
    box-shadow: var(--shadow);
    display: grid;
    gap: 6px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    left: 10px;
    padding: 7px;
    position: fixed;
    right: 10px;
    z-index: 50;
  }

  .mobile-bottom-nav a,
  .mobile-bottom-nav button {
    align-items: center;
    background: var(--button-bg);
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--ink);
    display: inline-flex;
    font-size: 11px;
    font-weight: 900;
    justify-content: center;
    letter-spacing: 0;
    min-height: 46px;
    min-width: 0;
    overflow: hidden;
    padding: 0 5px;
    text-decoration: none;
    text-overflow: ellipsis;
    text-transform: uppercase;
    white-space: nowrap;
  }

  .mobile-bottom-nav a:hover,
  .mobile-bottom-nav button:hover {
    border-color: rgba(69, 245, 208, 0.5);
    color: var(--cyan);
  }

  .mobile-bottom-nav .theme-toggle span {
    color: var(--ink);
    font-size: 11px;
  }

  .help-shell {
    padding: 14px;
  }

  .help-hero {
    padding: 20px;
  }

  .help-hero h2 {
    font-size: 32px;
  }

  .signal-table div,
  .compact-table div {
    grid-template-columns: 1fr;
  }

  .wave-scene {
    height: 330px;
  }

  .about-shell {
    padding: 14px;
  }

  .about-hero,
  .about-section {
    padding: 18px;
  }

  .about-feature-grid {
    grid-template-columns: 1fr;
  }

  .repo-actions,
  .pwa-install__actions {
    grid-template-columns: 1fr;
  }

  .repo-actions a,
  .pwa-install__actions button {
    width: 100%;
  }

  .pwa-install {
    bottom: 94px;
    left: 10px;
    right: 10px;
    width: auto;
  }
}


.about-app {
  min-height: 100vh;
}

.about-shell {
  display: grid;
  gap: 22px;
  margin: 0 auto;
  max-width: 980px;
  padding: 24px;
  width: 100%;
}

.back-link {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  display: inline-flex;
  font-size: 12px;
  font-weight: 900;
  justify-self: start;
  min-height: 34px;
  padding: 8px 11px;
  text-decoration: none;
  text-transform: uppercase;
}

.back-link:hover,
.back-link:focus {
  border-color: rgba(69, 245, 208, 0.46);
  color: var(--cyan);
  outline: none;
}

.about-hero,
.about-section,
.repo-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 38%),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.about-hero {
  border-color: rgba(69, 245, 208, 0.28);
  padding: 28px;
}

.about-hero h2 {
  color: var(--strong);
  font-size: clamp(34px, 6vw, 64px);
  letter-spacing: 0;
  line-height: 1.02;
  margin: 0 0 16px;
}

.about-hero p,
.about-section p,
.about-section li,
.small-note {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
  margin: 0;
}

.about-section {
  display: grid;
  gap: 12px;
  padding: 22px;
}

.about-section h3 {
  color: var(--strong);
  font-size: 22px;
  letter-spacing: 0;
  margin: 0;
}

.about-feature-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.about-feature-grid article {
  background: var(--subpanel-bg);
  border: 1px solid rgba(143, 160, 155, 0.18);
  border-radius: 6px;
  display: grid;
  gap: 7px;
  min-height: 118px;
  padding: 14px;
}

.about-feature-grid strong,
.repo-card strong {
  color: var(--strong);
  font-size: 14px;
  letter-spacing: 0;
}

.about-feature-grid span,
.repo-card span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.42;
}

.repo-card {
  box-shadow: none;
  display: grid;
  gap: 16px;
  padding: 16px;
}

.repo-card__head {
  align-items: center;
  display: flex;
  gap: 12px;
}

.repo-card__head div:last-child {
  display: grid;
  gap: 3px;
}

.repo-mark,
.pwa-install__icon {
  align-items: center;
  background:
    linear-gradient(135deg, rgba(69, 245, 208, 0.16), rgba(255, 79, 184, 0.12)),
    var(--scene-bg-color);
  border: 1px solid rgba(69, 245, 208, 0.28);
  border-radius: 8px;
  color: var(--cyan);
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 950;
  height: 44px;
  justify-content: center;
  width: 44px;
}

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

.repo-actions a,
.secondary-action {
  align-items: center;
  background: var(--button-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  display: inline-flex;
  font-size: 12px;
  font-weight: 900;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  text-decoration: none;
  text-transform: uppercase;
}

.repo-actions a:first-child {
  border-color: rgba(69, 245, 208, 0.42);
}

.repo-actions a:hover,
.secondary-action:hover {
  border-color: rgba(69, 245, 208, 0.7);
  color: var(--cyan);
}

.command-block {
  background: var(--scene-bg-color);
  border: 1px solid rgba(69, 245, 208, 0.22);
  border-radius: 8px;
  color: var(--ink);
  margin: 0;
  overflow-x: auto;
  padding: 16px;
}

.command-block code,
.about-section code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.about-section code:not(.command-block code) {
  background: var(--subpanel-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  padding: 1px 4px;
}

.contribution-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 22px;
}

.creator-credit {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
  margin: 8px 0 24px;
  text-align: center;
}

.creator-credit a {
  color: var(--ink);
  font-weight: 850;
  text-decoration: underline;
  text-decoration-color: rgba(69, 245, 208, 0.42);
  text-underline-offset: 4px;
}

.creator-credit a:hover {
  color: var(--cyan);
}

.pwa-install {
  background: var(--panel);
  border: 1px solid rgba(69, 245, 208, 0.3);
  border-radius: 8px;
  bottom: 22px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 14px;
  max-width: 390px;
  overflow: hidden;
  padding: 18px;
  position: fixed;
  right: 22px;
  transform: translateY(18px);
  transition: opacity 180ms ease, transform 180ms ease;
  width: min(calc(100vw - 28px), 390px);
  z-index: 70;
}

.pwa-install.hidden {
  display: none;
}

.pwa-install:not(.is-visible) {
  opacity: 0;
}

.pwa-install.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.pwa-install__accent {
  background: linear-gradient(90deg, var(--cyan), var(--amber), var(--magenta));
  height: 3px;
  inset: 0 0 auto;
  position: absolute;
}

.pwa-install__body {
  align-items: start;
  display: grid;
  gap: 13px;
  grid-template-columns: auto minmax(0, 1fr);
  padding-right: 18px;
}

.pwa-install h2 {
  color: var(--strong);
  font-size: 17px;
  letter-spacing: 0;
  margin: 0 0 6px;
}

.pwa-install p:not(.section-label) {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.42;
  margin: 0;
}

.pwa-install__actions {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr auto;
}

.pwa-dismiss {
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 50%;
  color: var(--muted);
  display: inline-flex;
  font-size: 14px;
  height: 28px;
  justify-content: center;
  min-height: 28px;
  padding: 0;
  position: absolute;
  right: 10px;
  top: 12px;
  width: 28px;
  z-index: 1;
}

.pwa-dismiss:hover {
  background: var(--subpanel-bg);
  border-color: var(--line);
  color: var(--ink);
}


/* Final mobile open-source/PWA overrides */
@media (max-width: 820px) {
  .about-shell {
    padding: 14px;
  }

  .about-hero,
  .about-section {
    padding: 18px;
  }

  .about-feature-grid {
    grid-template-columns: 1fr;
  }

  .repo-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .repo-actions a,
  .pwa-install__actions button {
    width: 100%;
  }

  .pwa-install__actions {
    grid-template-columns: 1fr;
  }

  .pwa-install {
    bottom: 94px;
    left: 10px;
    right: 10px;
    width: auto;
  }
}