:root {
  color-scheme: dark;
  --bg: #0b1220;
  --panel: #121d31;
  --text: #f4f7ff;
  --muted: #9db0d7;
  --buy: #22c55e;
  --sell: #ef4444;
  --hold: #f59e0b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Arial, sans-serif;
}

body {
  background: radial-gradient(circle at top, #182645 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

.hidden {
  display: none;
}

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
}

.auth-card {
  width: min(460px, 100%);
  background: var(--panel);
  border: 1px solid #203158;
  border-radius: 14px;
  padding: 18px;
  display: grid;
  gap: 10px;
}

.auth-form {
  display: grid;
  gap: 10px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  gap: 18px;
}

.header h1 {
  font-size: 1.75rem;
  margin-bottom: 6px;
}

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

.header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.panel {
  background: var(--panel);
  border: 1px solid #203158;
  border-radius: 14px;
  padding: 16px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
}

.stat {
  background: #162746;
  padding: 12px;
  border-radius: 10px;
}

.label {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.stat strong {
  font-size: 1.25rem;
}

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

.signals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 12px;
}

.signal {
  width: fit-content;
  min-width: 110px;
  text-align: center;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 700;
}

.signal.buy {
  background: rgba(34, 197, 94, 0.2);
  color: var(--buy);
  border: 1px solid rgba(34, 197, 94, 0.5);
}

.signal.sell {
  background: rgba(239, 68, 68, 0.18);
  color: var(--sell);
  border: 1px solid rgba(239, 68, 68, 0.5);
}

.signal.hold {
  background: rgba(245, 158, 11, 0.18);
  color: var(--hold);
  border: 1px solid rgba(245, 158, 11, 0.5);
}

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

.form-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  align-items: end;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
  color: var(--muted);
}

input {
  background: #0f1a2f;
  border: 1px solid #2a406f;
  color: var(--text);
  border-radius: 8px;
  padding: 8px;
}

select {
  background: #0f1a2f;
  border: 1px solid #2a406f;
  color: var(--text);
  border-radius: 8px;
  padding: 8px;
}

button {
  background: #1d4ed8;
  border: 1px solid #2b6af0;
  color: #ffffff;
  border-radius: 8px;
  padding: 10px;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  filter: brightness(1.1);
}

.summary-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: #dbe7ff;
  margin-top: 8px;
  margin-bottom: 12px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

th,
td {
  text-align: left;
  padding: 10px;
  border-bottom: 1px solid #27406c;
  font-size: 0.9rem;
}

th {
  color: #a9bde6;
}

h2 {
  font-size: 1.2rem;
}

.hint-text {
  color: var(--muted);
  margin-top: 6px;
}

.longterm-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.range-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
  margin-bottom: 10px;
}

.range-btn {
  background: #132547;
  border: 1px solid #2a4371;
  min-width: 56px;
  padding: 8px 10px;
}

.range-btn.active {
  background: #1d4ed8;
  border-color: #3b82f6;
}

.danger-btn {
  background: #7f1d1d;
  border: 1px solid #b91c1c;
  padding: 6px 10px;
  font-size: 0.82rem;
}

@media (max-width: 900px) {
  .container {
    padding: 16px;
    gap: 14px;
  }

  .panel {
    padding: 14px;
  }

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

  .signals-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .container {
    padding: 12px;
    gap: 12px;
  }

  .header h1 {
    font-size: 1.35rem;
    line-height: 1.25;
  }

  .header p {
    font-size: 0.92rem;
  }

  .header-row {
    flex-direction: column;
    align-items: stretch;
  }

  h2 {
    font-size: 1.05rem;
  }

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

  .stat strong {
    font-size: 1.1rem;
  }

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

  .summary-row {
    flex-direction: column;
    gap: 8px;
  }

  .range-controls {
    gap: 6px;
  }

  .range-btn {
    min-width: 52px;
    padding: 7px 9px;
    font-size: 0.82rem;
  }

  table {
    min-width: 760px;
  }

  th,
  td {
    padding: 8px;
    font-size: 0.8rem;
    white-space: nowrap;
  }

  button {
    padding: 9px;
    font-size: 0.9rem;
  }

  .danger-btn {
    padding: 5px 8px;
    font-size: 0.75rem;
  }
}

.flow-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 12px;
}

.flow-card {
  background: #162746;
  border-radius: 10px;
  padding: 12px;
}

.flow-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.weekly-flow-summary {
  margin-top: 14px;
}

.weekly-flow-summary h3 {
  font-size: 1rem;
}

.weekly-flow-summary td:nth-child(2) {
  font-weight: 700;
}

.rates-calc-title {
  margin-top: 14px;
  margin-bottom: 8px;
  font-size: 1rem;
}

.sl-rate-form {
  margin-top: 0;
}

.gauge {
  display: grid;
  gap: 8px;
}

.gauge-track {
  position: relative;
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ef4444 0%, #f59e0b 50%, #22c55e 100%);
  overflow: hidden;
}

.gauge-fill {
  position: absolute;
  top: 0;
  left: 50%;
  width: 8px;
  height: 100%;
  background: #ffffff;
  transform: translateX(-50%);
  transition: left 0.35s ease;
}

.gauge-value {
  font-weight: 700;
  color: #dbe7ff;
}