:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #172033;
  --muted: #5f6980;
  --primary: #0f62fe;
  --primary-2: #0043ce;
  --ok-bg: #eaf8ee;
  --ok-text: #0f5d2f;
  --border: #dde3f1;
  --danger-bg: #fdecec;
  --danger-text: #8b1f1f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Arial", sans-serif;
  background: linear-gradient(170deg, #f8faff, #eef3ff 40%, #f4f6fb 100%);
  color: var(--text);
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 8px 20px rgba(20, 37, 80, 0.06);
}

h1 {
  margin: 0 0 12px;
  font-size: 22px;
}

p.meta {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
}

form {
  display: grid;
  gap: 10px;
}

label {
  font-size: 13px;
  color: var(--muted);
}

input,
button,
textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 12px;
  font-size: 16px;
  background: #fff;
}

button {
  background: var(--primary);
  color: #fff;
  border: 0;
  font-weight: 600;
}

button:hover {
  background: var(--primary-2);
  cursor: pointer;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.topbar form {
  display: inline;
}

.topbar button {
  width: auto;
  padding: 8px 12px;
  font-size: 14px;
}

.alert {
  padding: 10px 12px;
  border-radius: 10px;
  margin: 10px 0;
  font-size: 14px;
}

.alert.ok {
  background: var(--ok-bg);
  color: var(--ok-text);
}

.alert.err {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.out {
  margin-top: 14px;
  border: 1px dashed var(--border);
  padding: 12px;
  border-radius: 12px;
  background: #fbfcff;
}

.out code {
  display: block;
  word-break: break-all;
  white-space: pre-wrap;
  font-size: 13px;
}

.list {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  background: #fff;
}

.item-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.item .title {
  font-weight: 600;
  margin-bottom: 4px;
}

.item .small {
  font-size: 12px;
  color: var(--muted);
}

.item code {
  display: block;
  font-size: 12px;
  margin-top: 6px;
  word-break: break-all;
}

.inline-form {
  display: block;
}

.btn-danger {
  width: auto;
  padding: 8px 10px;
  font-size: 13px;
  background: #cf2e2e;
  border-radius: 8px;
}

.btn-danger:hover {
  background: #a12222;
}

@media (max-width: 640px) {
  .wrap {
    padding: 10px;
  }

  .card {
    padding: 12px;
    border-radius: 12px;
  }

  h1 {
    font-size: 19px;
  }
}