:root {
  --bg: #0b1220;
  --panel: #131c2b;
  --panel-border: #22303f;
  --text: #e2e8f0;
  --muted: #9fb0c3;
  --accent: #4fd1c5;
  --danger: #f87171;
  --success: #4ade80;
  --warn: #facc15;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--panel-border);
}

.brand { font-weight: 700; font-size: 18px; }

.badge-demo {
  background: var(--warn);
  color: #1a1400;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
  vertical-align: middle;
}

.topbar nav a {
  margin-left: 18px;
  color: var(--muted);
}
.topbar nav a.active, .topbar nav a:hover { color: var(--text); }

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

h1 { font-size: 22px; margin-top: 0; }
h2 { font-size: 16px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 12px; }

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

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.alert-error { background: rgba(248,113,113,0.12); border-color: rgba(248,113,113,0.4); color: #fecaca; }
.alert-success { background: rgba(74,222,128,0.12); border-color: rgba(74,222,128,0.4); color: #bbf7d0; }
.alert-info { background: rgba(79,209,197,0.12); border-color: rgba(79,209,197,0.4); color: #a7f3f0; }
.alert-warn-fixed { background: rgba(250,204,21,0.12); border-color: rgba(250,204,21,0.4); color: #fef08a; font-weight: 600; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 16px;
}

.card-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.card-value { font-size: 22px; font-weight: 700; }
.card-value.small { font-size: 15px; font-weight: 600; }
.card-sub { color: var(--muted); font-size: 12px; margin-top: 4px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 20px;
}

.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--panel-border); }
.tbl th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }

.side-long { color: var(--success); font-weight: 700; }
.side-short { color: var(--danger); font-weight: 700; }
.pnl-pos { color: var(--success); }
.pnl-neg { color: var(--danger); }

.footnote { color: var(--muted); font-size: 12px; margin-top: 20px; }

/* Ovládací panel + doplnky */
.small-note { font-size: 12px; margin-top: 6px; }
.simple-form { max-width: 480px; }
.style-notes ul { margin: 6px 0 0 18px; padding: 0; }
.style-notes li { margin-bottom: 4px; }

.btn-stop {
  background: var(--danger);
  color: #2a0a0a;
  font-size: 16px;
  font-weight: 700;
  padding: 16px 20px;
  width: 100%;
}
.btn-stop:hover { filter: brightness(1.08); }
.btn-stop:disabled { opacity: 0.6; cursor: not-allowed; }

.real-money-panel .real-money-sentence {
  font-size: 20px;
  font-weight: 700;
  margin: 4px 0 18px;
}
.real-money-sentence.pnl-pos { color: var(--success); }
.real-money-sentence.pnl-neg { color: var(--danger); }

/* Celkovo od začiatku (lifetime) banner -- výrazná karta hore na stránke */
.lifetime-panel {
  border-width: 2px;
  padding: 20px;
}
.lifetime-panel .lifetime-sentence {
  font-size: 20px;
  font-weight: 700;
  margin: 4px 0 16px;
}
.lifetime-panel.lifetime-pos {
  border-color: var(--success);
  background: rgba(34,197,94,0.08);
}
.lifetime-panel.lifetime-neg {
  border-color: var(--danger);
  background: rgba(239,68,68,0.08);
}
.lifetime-panel.lifetime-pos .lifetime-value,
.lifetime-panel.lifetime-pos .lifetime-sentence { color: var(--success); }
.lifetime-panel.lifetime-neg .lifetime-value,
.lifetime-panel.lifetime-neg .lifetime-sentence { color: var(--danger); }

/* auth pages */
.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.auth-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 380px;
}

.auth-card h1 { text-align: center; margin-bottom: 4px; }
.auth-card .subtitle { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 20px; }

.auth-card form, .grid-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.grid-form {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 20px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

input {
  background: #0f1826;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
}

input:focus { outline: none; border-color: var(--accent); }

button {
  background: var(--accent);
  color: #062018;
  border: none;
  border-radius: 6px;
  padding: 12px 16px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}
button:hover { filter: brightness(1.08); }

code {
  background: #0f1826;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.score-gauge {
  margin-top: 8px;
}
.score-gauge-track {
  position: relative;
  height: 10px;
  border-radius: 5px;
  background: #0f1826;
  border: 1px solid var(--panel-border);
  overflow: visible;
}
.score-gauge-zone-neg {
  position: absolute;
  left: 15%;
  width: 35%;
  top: 0;
  bottom: 0;
  background: rgba(220, 90, 90, 0.25);
}
.score-gauge-zone-pos {
  position: absolute;
  right: 15%;
  width: 35%;
  top: 0;
  bottom: 0;
  background: rgba(79, 209, 197, 0.25);
}
.score-gauge-center {
  position: absolute;
  left: 50%;
  top: -3px;
  bottom: -3px;
  width: 1px;
  background: var(--panel-border);
}
.score-gauge-marker {
  position: absolute;
  top: -5px;
  width: 4px;
  height: 20px;
  border-radius: 2px;
  background: #f6c94f;
  transform: translateX(-2px);
  transition: left 0.3s ease;
}