:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --border: #d9e0ea;
  --text: #1d2733;
  --muted: #6b7785;
  --primary: #1f6feb;
  --primary-dark: #1556b4;
  --danger: #c0392b;
  --success: #107c41;
  --warning: #9a6700;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: #0f172a;
  color: #fff;
}

.topbar h1 {
  margin-bottom: 0.25rem;
  font-size: 1.6rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

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

.two-columns {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.app-layout,
.stack-lg {
  display: grid;
  gap: 1rem;
}

label {
  display: block;
  font-weight: 600;
  margin: 0.9rem 0 0.35rem;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border-radius: 10px;
  border: 1px solid #bfc9d8;
  background: #fff;
}

input:focus,
select:focus {
  outline: 3px solid rgba(31, 111, 235, 0.16);
  border-color: var(--primary);
}

.btn {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border: 0;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
}

.btn:hover {
  background: var(--primary-dark);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background: #334155;
}

.btn-secondary:hover {
  background: #1e293b;
}

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

.btn-warning {
  background: var(--warning);
}

.muted,
small {
  color: var(--muted);
}

.center {
  text-align: center;
}

.hidden {
  display: none !important;
}

.notice {
  border-radius: 12px;
  padding: 0.95rem 1rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
}

.notice-success {
  background: rgba(16, 124, 65, 0.09);
  border-color: rgba(16, 124, 65, 0.3);
  color: var(--success);
}

.notice-error {
  background: rgba(192, 57, 43, 0.08);
  border-color: rgba(192, 57, 43, 0.25);
  color: var(--danger);
}

.notice-info {
  background: rgba(31, 111, 235, 0.08);
  border-color: rgba(31, 111, 235, 0.25);
  color: var(--primary-dark);
}

.table-wrapper {
  overflow-x: auto;
}

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

th,
td {
  padding: 0.85rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  background: #f8fafc;
}

.status-pill,
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: #e2e8f0;
  font-size: 0.9rem;
}

.inline-form,
.actions-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.inline-form input {
  flex: 1;
  min-width: 220px;
}

.action-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

@media (max-width: 700px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .container {
    padding: 1rem;
  }
}