:root {
  --bg: #050705;
  --fg: #33ff66;
  --dim: #1f8a3c;
  --accent: #ffcc00;
  --danger: #ff5555;
  --panel: #0b120b;
  --border: #1f8a3c;
}

* { box-sizing: border-box; }

html, body {
  /* Wide tables/forms scroll inside their own .panel (see below); the page
     itself must never grow wider than the viewport on a phone. */
  overflow-x: hidden;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: "Courier New", ui-monospace, monospace;
  margin: 0;
  line-height: 1.4;
}

a { color: var(--accent); }
a:hover { color: var(--fg); }

header.topbar {
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

header.topbar h1 {
  font-size: 1.1rem;
  margin: 0;
  letter-spacing: 0.1em;
}

nav.menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 1rem;
  max-width: 960px;
  margin: 0 auto;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
}

nav.menu a {
  text-decoration: none;
  padding: 0.15rem 0.4rem;
}
nav.menu a:hover { background: var(--dim); color: var(--bg); }

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
}

.panel {
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 1rem;
  margin-bottom: 1rem;
  /* A wide table or form row (e.g. the trade screen) scrolls inside its own
     panel on a phone instead of pushing the whole page wider than the
     viewport. */
  overflow-x: auto;
}

.panel h2 {
  margin-top: 0;
  font-size: 1rem;
  color: var(--accent);
  border-bottom: 1px dashed var(--border);
  padding-bottom: 0.4rem;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.25rem 0.5rem; border-bottom: 1px solid var(--dim); }
th { color: var(--accent); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.5rem 1.5rem;
}
.stat-grid div span.label { color: var(--dim); display: block; font-size: 0.8rem; }

form.inline { display: inline; }

input[type=text], input[type=password], input[type=number], select, textarea {
  background: #000;
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 0.3rem;
  font-family: inherit;
}

button, input[type=submit] {
  background: var(--dim);
  color: #000;
  border: none;
  padding: 0.4rem 0.9rem;
  cursor: pointer;
  font-family: inherit;
  font-weight: bold;
}
button:hover, input[type=submit]:hover { background: var(--accent); }

.messages { list-style: none; padding: 0; margin: 0 0 1rem; }
.messages li { padding: 0.4rem 0.6rem; border-left: 3px solid var(--accent); margin-bottom: 0.4rem; background: var(--panel); }
.messages li.error { border-color: var(--danger); color: var(--danger); }
.messages li.warning { border-color: var(--accent); }

.bar { background: #000; border: 1px solid var(--border); height: 0.8rem; overflow: hidden; }
.bar-fill { background: var(--fg); height: 100%; }

.small { font-size: 0.85rem; color: var(--dim); }