:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1f242e;
  --text: #e6e9ef;
  --muted: #9aa4b2;
  --accent: #5b8cff;
  --accent-2: #3f6fe0;
  --danger: #e05a5a;
  --border: #2a303c;
  --ok: #4caf77;
  --warn: #d9a441;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}
body.center { display: flex; align-items: center; justify-content: center; padding: 24px; }
.brand { font-weight: 700; letter-spacing: -0.02em; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 900px; margin: 0 auto; padding: 24px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  width: 100%;
  max-width: 460px;
}
.container .card { max-width: none; }

.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar .brand { font-size: 18px; }
.spacer { flex: 1; }

h1 { font-size: 22px; margin: 0 0 8px; }
h2 { font-size: 16px; margin: 0 0 16px; }

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
input, select, textarea {
  width: 100%;
  margin-top: 4px;
  padding: 9px 11px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
}
textarea { font-family: inherit; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); }
.btn-ghost { background: transparent; }
.btn-danger { color: var(--danger); border-color: transparent; }
.btn-danger:hover { border-color: var(--danger); }
.btn-small { padding: 5px 10px; font-size: 12px; }
.block { width: 100%; margin-top: 10px; }

.stack { display: flex; flex-direction: column; gap: 4px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid .span2 { grid-column: 1 / -1; }

.divider { display: flex; align-items: center; text-align: center; color: var(--muted); margin: 18px 0; }
.divider::before, .divider::after { content: ""; flex: 1; border-bottom: 1px solid var(--border); }
.divider span { padding: 0 12px; font-size: 12px; }

.alert {
  background: rgba(224,90,90,.12);
  border: 1px solid var(--danger);
  color: #ffb4b4;
  padding: 10px 12px; border-radius: 8px; font-size: 13px;
}

.result { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.copyrow { display: flex; gap: 8px; }
.copyrow input { flex: 1; }

table.shares { width: 100%; border-collapse: collapse; font-size: 13px; }
table.shares th, table.shares td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.shares th { color: var(--muted); font-weight: 500; font-size: 12px; }
table.shares td.right { text-align: right; white-space: nowrap; }
table.shares td.right form { display: inline; }
.badge { font-size: 12px; }
.status { padding: 2px 8px; border-radius: 999px; font-size: 11px; }
.status-active { background: rgba(76,175,119,.15); color: var(--ok); }
.status-expired { background: rgba(217,164,65,.15); color: var(--warn); }
.status-limit\ reached { background: rgba(224,90,90,.15); color: var(--danger); }

.warn { padding: 10px 12px; border-radius: 8px; background: rgba(217,164,65,.12);
  border: 1px solid rgba(217,164,65,.35); color: var(--warn); font-size: 13px; }

progress { width: 160px; vertical-align: middle; margin-left: 8px; }

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .grid .span2 { grid-column: 1; }
}