:root{
  --bg: #0b1020;
  --card: #121a36;
  --muted: #9fb0d9;
  --text: #e7ecf7;
  --primary: #4f7cff;
  --primary-contrast: #ffffff;
  --danger: #ff5d5d;
  --border: #283560;
  --focus: #ffd166;
}

*{ box-sizing: border-box; }
html, body{ margin: 0; height: 100%; background: var(--bg); color: var(--text); font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji"; }

.container{ max-width: 1100px; margin: 0 auto; padding: 16px; }
h1, h2{ margin: 0 0 12px; }

header{ padding-top: 20px; }
.toolbar{
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}
.toolbar .filters{
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 8px;
}
.search-group input{
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0f1730;
  color: var(--text);
}
label{ font-size: 0.9rem; color: var(--muted); display: grid; gap: 6px; }
select, input[type="text"], input[type="email"], input[type="search"]{
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0f1730;
  color: var(--text);
}

button{
  border: 1px solid var(--border);
  background: #16224a;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
}
button.primary{
  background: var(--primary);
  color: var(--primary-contrast);
  border-color: #3f69d9;
}
button.link{
  background: transparent;
  border: none;
  color: var(--primary);
  padding: 0;
}
button.danger{ color: var(--danger); }

.table-responsive{
  margin-top: 12px;
  overflow-x: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
}
table{
  width: 100%;
  border-collapse: collapse;
}
th, td{
  padding: 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}
th{ color: var(--muted); font-weight: 600; }
.col-actions{ width: 160px; }

.pagination{
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin: 14px 0 24px;
}
.pagination button{
  width: 40px; height: 40px; border-radius: 50%;
}

dialog{
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  background: var(--card);
  color: var(--text);
  max-width: 420px;
  width: 90%;
}
dialog::backdrop{ background: rgba(0,0,0,.45); }
dialog form{ display: grid; gap: 10px; }
menu{ display: flex; gap: 8px; justify-content: flex-end; padding: 0; margin: 8px 0 0; }
.checkbox{ display: flex; align-items: center; gap: 8px; }

.form-error{ color: var(--danger); min-height: 1.2em; }

.sr-only{
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden; clip: rect(1px,1px,1px,1px);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

/* Responsive */
@media (min-width: 720px){
  .toolbar{
    grid-template-columns: 1fr auto auto;
    align-items: end;
  }
  #btn-add{ justify-self: end; }
}