:root {
  color-scheme: dark;
  --bg: #06080d;
  --panel: #0d1320;
  --panel-2: #111b2c;
  --line: #223049;
  --text: #e8f1ff;
  --muted: #91a2ba;
  --cyan: #25d7ff;
  --green: #35e58b;
  --red: #ff5364;
  --gold: #ffd166;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(37, 215, 255, 0.15), transparent 32rem),
    linear-gradient(135deg, #06080d 0%, #0b111d 52%, #07090f 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.topbar,
.metrics,
.control-panel,
.grid {
  margin-bottom: 18px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(32px, 6vw, 72px);
  line-height: 0.95;
}

h2 {
  font-size: 18px;
}

.status-pill {
  min-width: 150px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--gold);
  background: rgba(13, 19, 32, 0.82);
  text-align: center;
  font-weight: 800;
}

.status-pill.connected {
  color: var(--green);
}

.status-pill.disconnected {
  color: var(--red);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metrics article,
.panel,
.control-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(13, 19, 32, 0.9);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

.metrics article {
  min-height: 96px;
  padding: 18px;
}

.metrics span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 10px;
}

.metrics strong {
  font-size: 26px;
}

.control-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
}

.control-panel p {
  color: var(--muted);
  margin-top: 6px;
}

form {
  display: grid;
  grid-template-columns: 1fr 100px 120px;
  gap: 10px;
  width: min(620px, 100%);
}

input,
select,
button,
textarea {
  min-height: 42px;
  border-radius: 8px;
  border: 1px solid var(--line);
  color: var(--text);
  background: #09101c;
  padding: 0 12px;
  font: inherit;
}

textarea {
  padding-top: 10px;
  resize: vertical;
}

button {
  cursor: pointer;
  border-color: rgba(37, 215, 255, 0.58);
  background: linear-gradient(180deg, #1b90aa, #0b5d75);
  font-weight: 800;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 18px;
}

.panel {
  padding: 18px;
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.panel-head button {
  width: auto;
  min-height: 34px;
}

.settings-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.settings-form label {
  display: grid;
  gap: 6px;
}

.settings-form span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.settings-form textarea {
  min-height: 88px;
}

.toggle-field {
  align-content: end;
}

.toggle-field input {
  width: 20px;
  min-height: 20px;
  margin: 0;
}

.settings-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.signal-list {
  display: grid;
  gap: 10px;
}

.signal {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--panel-2);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  border-radius: 8px;
  padding: 7px 10px;
  font-weight: 900;
}

.buy {
  color: #04140b;
  background: var(--green);
}

.sell {
  color: #180407;
  background: var(--red);
}

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

.table-wrap {
  width: 100%;
  overflow-x: auto;
  margin-top: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.curve-placeholder {
  position: relative;
  min-height: 280px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--line);
  border-radius: 8px;
  margin-top: 14px;
  color: var(--muted);
  overflow: hidden;
}

.curve-placeholder div {
  position: absolute;
  width: 90%;
  height: 50%;
  border-left: 2px solid rgba(37, 215, 255, 0.5);
  border-bottom: 2px solid rgba(37, 215, 255, 0.5);
  transform: skewX(-12deg);
}

@media (max-width: 920px) {
  .topbar,
  .control-panel {
    align-items: stretch;
    flex-direction: column;
  }

  .metrics,
  .grid {
    grid-template-columns: 1fr;
  }

  form {
    grid-template-columns: 1fr;
  }

  .settings-form {
    grid-template-columns: 1fr;
  }
}