* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: #0f1419;
  color: #e7ecf3;
  line-height: 1.5;
}

.header {
  padding: 1.25rem 1rem 0.5rem;
  background: linear-gradient(180deg, #1a2332 0%, #0f1419 100%);
  border-bottom: 1px solid #243044;
}

.header h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 600;
}

.sub {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  color: #8b9cb3;
}

.user-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.badge {
  background: #243044;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  color: #93c5fd;
}

.row {
  display: flex;
  gap: 0.5rem;
}

.row .btn {
  flex: 1;
}

.btn.mini {
  width: auto;
  padding: 0.4rem 0.75rem;
  font-size: 0.82rem;
}

.btn.ghost {
  background: transparent;
  border: 1px solid #3a4f6a;
  color: #94a3b8;
}

.main {
  padding: 1rem;
  max-width: 520px;
  margin: 0 auto;
}

.card {
  background: #1a2332;
  border: 1px solid #2a3a52;
  border-radius: 12px;
  padding: 1rem 1rem 1.25rem;
  margin-bottom: 1rem;
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.card.muted {
  background: #151c28;
  border-color: #243044;
}

.hint,
.tips {
  font-size: 0.82rem;
  color: #8b9cb3;
  margin: 0 0 0.75rem;
}

.tips {
  padding-left: 1.1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.field span {
  font-size: 0.82rem;
  color: #a8b8d0;
}

input[type='text'],
input[type='file'],
select,
textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  border: 1px solid #3a4f6a;
  background: #0f1419;
  color: #e7ecf3;
  font-size: 1rem;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.counter {
  font-size: 0.75rem;
  color: #6d8099;
}

.btn {
  display: inline-block;
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}

.btn.primary {
  background: #3b82f6;
  color: #fff;
}

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

.btn.secondary {
  margin-top: 0.75rem;
  background: #243044;
  color: #e7ecf3;
}

.btn.link {
  width: auto;
  margin-top: 0.35rem;
  padding: 0.35rem 0;
  background: none;
  color: #60a5fa;
  font-size: 0.85rem;
}

.log {
  margin: 0.75rem 0 0;
  font-size: 0.8rem;
  color: #94a3b8;
  word-break: break-word;
}

.log.error {
  color: #f87171;
}

.log.ok {
  color: #4ade80;
}

.player {
  width: 100%;
  margin-top: 0.75rem;
}

.hidden {
  display: none !important;
}

code {
  font-size: 0.8em;
  background: #0f1419;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}