:root{
  --bg-start: #071022;
  --bg-end: #071426;
  --card-bg-a: rgba(255,255,255,0.02);
  --card-bg-b: rgba(255,255,255,0.01);
  --accent: #7c3aed;
  --accent-2: #06b6d4;
  --muted: rgba(230,238,248,0.75);
  --glass: rgba(255,255,255,0.03);
  --glass-2: rgba(255,255,255,0.02);
  --border-subtle: rgba(255,255,255,0.03);
  --text: #e6eef8;
}

* { box-sizing: border-box; }
html,body { height:100%; margin:0; }
body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  background: linear-gradient(180deg,var(--bg-start),var(--bg-end));
  color: var(--text);
  min-height: 100vh;
  padding: 18px;
  display:flex;
  align-items:flex-start;
  justify-content:center;
}

.wrap {
  width:100%;
  max-width:980px;
}

.header-row {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}
.school-title { font-size:18px; margin:0; }
.meta { color: var(--muted); font-size:13px; }
.right-meta { text-align:right; }
.muted { color: var(--muted); }
.mesas-count { font-weight:700; font-size:20px; }

.grid {
  display:grid;
  grid-template-columns: 1fr 380px;
  gap:18px;
  align-items:start;
}

.card {
  background: linear-gradient(180deg, var(--card-bg-a), var(--card-bg-b));
  border-radius:12px;
  padding:16px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 8px 24px rgba(2,6,23,0.5);
}

.section-title { margin:0 0 6px 0; }

.info {
  background:#113;
  color:#bfeecb;
  padding:10px;
  border-radius:8px;
  border:1px solid rgba(0,255,120,0.06);
  margin-bottom:10px;
}

.form-cargar label { display:block; font-size:14px; margin-top:8px; color:var(--muted); }
.form-cargar input[type="text"],
.form-cargar input[type="number"] {
  width:100%;
  padding:10px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
  color: #fff;
  margin-top:6px;
}
.small { font-size:13px; }
.btn {
  display:inline-block;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  border: 0;
  font-weight:700;
  cursor:pointer;
  text-decoration:none;
}
.submit-btn { width:100%; margin-top:12px; }

.table-wrap { overflow:auto; }
.mesas-table { width:100%; border-collapse:collapse; margin-top:8px; }
.mesas-table th, .mesas-table td {
  padding:10px;
  border-bottom:1px solid rgba(255,255,255,0.03);
  text-align:left;
  font-size:14px;
  color: var(--text);
}
.mesas-table thead th { color: var(--muted); font-weight:600; font-size:13px; }

.mesas-list { display:none; flex-direction:column; gap:10px; margin-top:8px; }
.mesa-card {
  background: rgba(255,255,255,0.02);
  padding:10px;
  border-radius:10px;
  border: 1px solid rgba(255,255,255,0.03);
}
.mesa-row { display:flex; justify-content:space-between; align-items:center; gap:8px; }
.mesa-number { font-weight:700; }
.mesa-meta { font-size:13px; color:var(--muted); }
.uploader { font-weight:600; }

.link-view { color:#9fd7ff; text-decoration:none; }
.link-logout { color:#9fd7ff; text-decoration:none; }

.footer { margin-top:18px; color:var(--muted); font-size:13px; text-align:center; }

@media (max-width:920px){
  .grid { grid-template-columns: 1fr; }
}
@media (max-width:720px){
  .mesas-table { display:none; }
  .mesas-list { display:flex; }
  .header-row { flex-direction:column; align-items:flex-start; gap:8px; }
}