:root {
  --bg: #f6f7fa;
  --card: #ffffff;
  --border: #d6dbe8;
  --text: #1d2433;
  --muted: #5b6476;
  --primary: #1368ce;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(180deg, #edf2fb 0%, var(--bg) 40%, #eef5f5 100%);
  color: var(--text);
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.card {
  width: 100%;
  max-width: 520px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: 0 18px 36px rgba(9, 24, 54, 0.08);
}

h1 {
  margin: 0 0 0.75rem;
  font-size: 1.5rem;
}

p {
  margin: 0 0 0.75rem;
  color: var(--muted);
}

form {
  display: grid;
  gap: 0.75rem;
}

label {
  font-size: 0.9rem;
  color: var(--muted);
}

input,
select,
button {
  width: 100%;
  font: inherit;
  border-radius: 9px;
}

input,
select {
  border: 1px solid var(--border);
  padding: 0.65rem 0.75rem;
  background: #fff;
  color: var(--text);
}

button {
  border: 0;
  padding: 0.7rem 0.9rem;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
}

button.secondary {
  background: #344054;
}

button.danger {
  background: var(--danger);
}

.actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.actions > * {
  flex: 1;
}

.status {
  min-height: 1.25rem;
  font-size: 0.9rem;
  color: var(--danger);
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 9px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid #e8ebf3;
  padding: 0.55rem;
  font-size: 0.9rem;
}

th {
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}

td button {
  width: auto;
  padding: 0.45rem 0.65rem;
  font-size: 0.82rem;
}

.layout {
  display: grid;
  gap: 1rem;
}

.nav-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--primary);
}