:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4d;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3d9cf0;
  --accent-hover: #5cb0ff;
  --danger: #e85d5d;
  --radius: 10px;
  --font: "DM Sans", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: radial-gradient(ellipse 120% 80% at 50% -20%, #1e3a5f 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}

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

.wrap {
  max-width: 560px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem;
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
}

.sub {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 1.75rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

input[type="text"],
input[type="password"],
textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(61, 156, 240, 0.2);
}

textarea {
  min-height: 120px;
  resize: vertical;
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
}

.row {
  margin-bottom: 1rem;
}

.row:last-child {
  margin-bottom: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.2rem;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--muted);
}

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

.btn-danger:hover {
  filter: brightness(1.08);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.msg {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.msg.error {
  background: rgba(232, 93, 93, 0.12);
  border: 1px solid rgba(232, 93, 93, 0.35);
  color: #f5a8a8;
}

.msg.success {
  background: rgba(61, 156, 240, 0.1);
  border: 1px solid rgba(61, 156, 240, 0.3);
  color: #a8d4fa;
}

.config-out {
  margin-top: 1rem;
}

.config-out label {
  margin-bottom: 0.5rem;
}

.config-box {
  padding: 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: ui-monospace, monospace;
  font-size: 0.78rem;
  word-break: break-all;
  user-select: all;
}

.nav-top {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1rem;
}

.user-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.user-list li {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

.user-list li:last-child {
  border-bottom: none;
}

.user-meta {
  flex: 1;
  min-width: 0;
}

.user-meta strong {
  display: block;
  margin-bottom: 0.25rem;
}

.user-meta small {
  color: var(--muted);
  font-size: 0.75rem;
  word-break: break-all;
}

.user-list .btn {
  flex-shrink: 0;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}

.hidden {
  display: none !important;
}