:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4d;
  --text: #e8edf4;
  --muted: #8b9cb3;
  --accent: #3d9eff;
  --danger: #f07178;
  --ok: #7fd962;
  font-family: "DM Sans", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--accent);
}

header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

header h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

#hdr-user:not(.hidden) {
  display: flex;
  align-items: center;
  gap: 1rem;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.panel h2 {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 600;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.tabs button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
}

.tabs button.active {
  border-color: var(--accent);
  color: var(--text);
  background: rgba(61, 158, 255, 0.12);
}

.hidden {
  display: none !important;
}

label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

input,
textarea,
select {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

textarea {
  min-height: 72px;
  resize: vertical;
}

.row {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

@media (min-width: 560px) {
  .row.cols-2 {
    grid-template-columns: 1fr 1fr;
  }
}

button.primary {
  background: var(--accent);
  color: #0a0e14;
  border: none;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font: inherit;
}

button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
}

button.danger {
  border-color: var(--danger);
  color: var(--danger);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  text-align: left;
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 500;
}

.msg {
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.msg.err {
  background: rgba(240, 113, 120, 0.15);
  border: 1px solid rgba(240, 113, 120, 0.4);
}

.msg.ok {
  background: rgba(127, 217, 98, 0.12);
  border: 1px solid rgba(127, 217, 98, 0.35);
}

code.small {
  font-size: 0.75rem;
  word-break: break-all;
}

.flex {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.flex input,
.flex select {
  flex: 1;
  min-width: 140px;
}