:root {
  --bg: #0f1419;
  --card: #1a2332;
  --border: #2d3a4d;
  --text: #e8edf4;
  --muted: #8b9cb3;
  --primary: #3d8bfd;
  --primary-hover: #5a9dff;
  --danger: #f07178;
  --ok: #7fd962;
  font-family: "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(160deg, #0d1117 0%, #151b26 50%, #0f1419 100%);
  color: var(--text);
  min-height: 100vh;
}

#app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

.hidden {
  display: none !important;
}

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

.error {
  color: var(--danger);
  margin: 0.5rem 0;
}

.hint {
  font-size: 0.8rem;
  margin-top: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

.login-card {
  max-width: 400px;
  margin: 4rem auto;
}

.login-card h1 {
  margin: 0 0 0.25rem;
}

label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #0d1117;
  color: var(--text);
  font-size: 0.95rem;
}

textarea {
  min-height: 2.5rem;
  resize: vertical;
}

input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
}

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

.btn.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn.danger {
  background: transparent;
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 0.35rem 0.6rem;
  font-size: 0.8rem;
}

.btn.small {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

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

.grid-form {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem 1rem;
}

.form-actions {
  grid-column: 1 / -1;
}

.table-wrap {
  padding: 0;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.6rem;
  vertical-align: top;
}

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

td input,
td select,
td textarea {
  min-width: 100px;
}

.row-actions {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

@media (max-width: 768px) {
  #app {
    padding: 0.75rem;
  }
}