:root {
  color-scheme: dark;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0b1020;
  color: #eef2ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #0b1020, #111936);
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 16px 48px;
}

.page-narrow {
  max-width: 760px;
}

.hero {
  margin-bottom: 24px;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: 32px;
}

.hero p {
  margin: 0;
  color: #c7d2fe;
}

.panel {
  background: rgba(17, 25, 54, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.banner {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.15);
  color: #bfdbfe;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.grid {
  display: grid;
  gap: 16px;
}

.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field span {
  font-weight: 600;
}

input,
select,
textarea,
button {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(15, 23, 42, 0.9);
  color: #eef2ff;
  padding: 12px 14px;
  font: inherit;
}

textarea {
  resize: vertical;
}

button {
  cursor: pointer;
  background: #2563eb;
  border: none;
  font-weight: 700;
}

button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.helper {
  color: #cbd5e1;
}

.status {
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(148, 163, 184, 0.12);
  color: #e2e8f0;
  margin-bottom: 16px;
}

.error-box {
  border: 1px solid rgba(248, 113, 113, 0.5);
  background: rgba(127, 29, 29, 0.35);
  color: #fecaca;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 16px;
  white-space: pre-wrap;
}

.result {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.result img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: #020617;
}

.result-meta {
  color: #cbd5e1;
  font-size: 14px;
}

.kv-list {
  display: grid;
  gap: 10px;
  line-height: 1.6;
}

.kv-list code {
  word-break: break-all;
}

.multi-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.multi-actions button {
  width: auto;
  min-width: 120px;
}

.hidden {
  display: none !important;
}

@media (max-width: 720px) {
  .cols-2 {
    grid-template-columns: 1fr;
  }
}