:root {
  --bg: #050708;
  --panel: #0b0e11;
  --panel-2: #11161d;
  --border: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #14b8a6; /* teal */
}
* { box-sizing: border-box; }
body {
  background: var(--bg); color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  margin: 0; min-height: 100vh;
}
.card { background: var(--panel-2); border: 1px solid var(--border); border-radius: 12px; padding: 1rem; }
.btn {
  padding: .6rem 1.1rem; border-radius: 8px; font-weight: 700;
  border: none; cursor: pointer; font-size: 13px; transition: .15s;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: white; border-color: var(--text); }
.input {
  width: 100%; padding: .7rem .9rem; border-radius: 8px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); font-size: 14px;
}
.input:focus { outline: none; border-color: var(--accent); }
.label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
.alert { padding: .7rem 1rem; border-radius: 8px; font-size: 13px; margin-top: .8rem; }
.alert-error { background: #450a0a; color: #fecaca; border: 1px solid #7f1d1d; }
.alert-ok    { background: #052e16; color: #bbf7d0; border: 1px solid #14532d; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px;
     padding: .8rem 1rem; border-bottom: 1px solid var(--border); }
td { padding: .7rem 1rem; border-bottom: 1px solid var(--border); }