* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: #f3f6fb;
  color: #111827;
}

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

.topbar {
  background: #0f172a;
  color: #fff;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card {
  background: #fff;
  border: 1px solid #dbe1ea;
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}

.narrow {
  max-width: 520px;
}

.form-grid {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

input,
select,
button {
  padding: 10px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 14px;
}

button {
  cursor: pointer;
  background: #0f172a;
  border-color: #0f172a;
  color: #fff;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

fieldset {
  border: 1px solid #d1d9e6;
  border-radius: 8px;
  padding: 10px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid #e5e7eb;
  padding: 8px;
  text-align: left;
  vertical-align: top;
}

.flash {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 10px;
}

.flash.success {
  background: #dcfce7;
  border: 1px solid #86efac;
}

.flash.error {
  background: #fee2e2;
  border: 1px solid #fca5a5;
}