:root {
  color-scheme: dark;
  --bg: #0f1115;
  --panel: #171a21;
  --border: #2a2e37;
  --text: #e6e8eb;
  --muted: #8b92a1;
  --green: #3ecf8e;
  --red: #ef5350;
  --accent: #4f8cff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

#login-form {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#login-form h1 { margin: 0 0 8px; font-size: 20px; }

input {
  background: #0f1115;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
}

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}

button.danger { background: var(--red); }
button.secondary { background: #2a2e37; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

#error-msg { color: var(--red); font-size: 13px; min-height: 16px; }

#dashboard { display: none; padding: 24px; max-width: 1100px; margin: 0 auto; }

header.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

header.topbar h1 { font-size: 18px; margin: 0; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.running { background: rgba(62,207,142,0.15); color: var(--green); }
.badge.stopped { background: rgba(139,146,161,0.15); color: var(--muted); }
.badge.killed { background: rgba(239,83,80,0.15); color: var(--red); }

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.card .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.card .value { font-size: 22px; font-weight: 700; margin-top: 4px; }
.value.pos { color: var(--green); }
.value.neg { color: var(--red); }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 20px; }
.panel h2 { font-size: 14px; margin: 0 0 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; }

.controls-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

.risk-form { display: grid; grid-template-columns: repeat(4, 1fr) auto; gap: 10px; align-items: end; }
.risk-form label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }

#equity-chart { width: 100%; height: 160px; display: block; }

.toast {
  position: fixed; bottom: 20px; right: 20px;
  background: var(--panel); border: 1px solid var(--border);
  padding: 10px 16px; border-radius: 8px; font-size: 13px;
  opacity: 0; transition: opacity 0.3s;
}
.toast.show { opacity: 1; }