/* Páginas de acceso (entrar, invitación) y panel de admin. */
:root {
  --bg: #05080c;
  --panel: rgba(10, 15, 22, 0.86);
  --field: #0b1119;
  --line: rgba(255, 255, 255, 0.14);
  --text: #e8eef5;
  --dim: #8fa0b3;
  --ok: #5be37d;
  --warn: #ffb547;
  --bad: #ff6b6b;
  --accent: #6cc4ff;
}
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text);
  font-family: Barlow, system-ui, sans-serif; font-size: 15px; }
body { background: radial-gradient(ellipse at top, #10202e, var(--bg) 70%) fixed; }
[hidden] { display: none !important; }
a { color: var(--accent); }
button, input, select { font: inherit; }

.wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; box-sizing: border-box; }
.card { width: min(420px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 24px; box-sizing: border-box; }
.brand { font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: 14px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--dim); margin: 0 0 6px; }
h1 { font-family: 'Barlow Condensed', sans-serif; font-size: 30px; margin: 0 0 6px; letter-spacing: .02em; }
.lede { color: var(--dim); margin: 0 0 14px; line-height: 1.45; }
label { display: block; font-size: 12px; color: var(--dim); text-transform: uppercase; letter-spacing: .08em; margin: 14px 0 5px; }
input[type=text], input[type=password] { width: 100%; box-sizing: border-box; background: var(--field); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px; }
input:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.help { color: var(--dim); font-size: 13px; margin: 5px 0 0; }
.btn { background: #1b2027; color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 10px 16px; cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: #123a55; border-color: var(--accent); width: 100%; margin-top: 20px; font-weight: 600; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn.danger:hover { border-color: var(--bad); color: var(--bad); }
.btn:disabled { opacity: .5; cursor: default; }
.msg { margin: 14px 0 0; min-height: 1.2em; color: var(--warn); }
.msg.ok { color: var(--ok); }
.foot { margin-top: 16px; color: var(--dim); font-size: 13px; }

/* Panel de admin */
.page { max-width: 1100px; margin: 0 auto; padding: 24px 16px 48px; }
.top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-top: 18px; overflow-x: auto; }
.panel h2 { font-size: 13px; color: var(--dim); text-transform: uppercase; letter-spacing: .1em; margin: 0 0 10px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--dim); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .06em;
  padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 8px; border-bottom: 1px solid rgba(255, 255, 255, 0.06); vertical-align: middle; }
td.num { font-variant-numeric: tabular-nums; }
td.actions { white-space: nowrap; text-align: right; }
td.actions .btn + .btn { margin-left: 6px; }
.tag { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 99px; border: 1px solid var(--line); color: var(--dim); margin-left: 6px; }
.tag.admin { color: var(--accent); border-color: var(--accent); }
.tag.off { color: var(--bad); border-color: var(--bad); }
tr.off td:not(.actions) { opacity: .55; }
.linkbox { display: flex; gap: 8px; margin-top: 10px; }
.linkbox input { flex: 1; font-family: ui-monospace, Consolas, monospace; font-size: 12px; }
.empty { color: var(--dim); }