body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1f2933;
  background: #f4f6f8;
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

section {
  margin-top: 24px;
  padding: 20px;
  background: #fff;
  border: 1px solid #d8dee6;
  border-radius: 8px;
}

.grid,
.rule-form {
  display: grid;
  gap: 14px;
}

.grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  align-items: end;
}

.hidden {
  display: none;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.tab-button {
  display: inline-block;
  color: #126b61;
  background: #e6f2ef;
  border-color: #b8d8d1;
  text-decoration: none;
}

.tab-button.active {
  color: #fff;
  background: #126b61;
  border-color: #126b61;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

.inline {
  display: flex;
  align-items: center;
  gap: 8px;
}

.inline-form {
  display: inline;
}

.inline-form + .inline-form,
section > form + form {
  margin-top: 10px;
}

.telegram-rule-form {
  display: grid;
  gap: 8px;
  min-width: 220px;
}

.edit-row td {
  padding-top: 0;
  background: #f8fafb;
}

.edit-row details {
  border: 1px solid #d8dee6;
  border-radius: 6px;
  background: #fff;
}

.edit-row summary {
  padding: 10px 12px;
  color: #126b61;
  cursor: pointer;
  font-weight: 700;
}

.edit-rule-form {
  padding: 12px;
}

.rule-row.dragging {
  opacity: 0.55;
}

.drag-handle {
  display: inline-block;
  min-width: 22px;
  color: #52616f;
  cursor: grab;
  font-weight: 800;
}

.draft-details {
  margin-top: 10px;
}

.draft-details summary {
  color: #126b61;
  cursor: pointer;
  font-weight: 700;
}

.draft-form {
  display: grid;
  gap: 8px;
  margin-top: 8px;
  min-width: 280px;
}

.mode-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.testmail-form {
  max-width: 820px;
}

input,
textarea,
select,
button,
fieldset {
  font: inherit;
  border: 1px solid #b8c2cc;
  border-radius: 6px;
  padding: 9px 10px;
}

fieldset {
  margin: 0;
}

legend {
  padding: 0 6px;
  font-weight: 700;
}

button {
  cursor: pointer;
  color: #fff;
  background: #126b61;
  border-color: #126b61;
}

table {
  width: 100%;
  margin-top: 16px;
  border-collapse: collapse;
}

th,
td {
  padding: 10px;
  border-top: 1px solid #e2e8f0;
  text-align: left;
  vertical-align: top;
}

pre {
  white-space: pre-wrap;
  max-width: 360px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.topbar h1 {
  margin: 0;
}

nav {
  align-items: center;
  display: flex;
  gap: 10px;
}

nav a {
  color: #126b61;
  font-weight: 700;
  text-decoration: none;
}

.nav-form {
  margin: 0;
}

.nav-form button {
  padding: 6px 10px;
  color: #126b61;
  background: #e6f2ef;
  border-color: #b8d8d1;
}

.login-page {
  min-height: 100vh;
  background: #eef3f5;
}

.login-shell {
  display: grid;
  min-height: 100vh;
  max-width: none;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(100%, 420px);
  margin: 0;
}

.login-panel h1 {
  margin: 0 0 8px;
}

.login-panel p {
  margin: 0 0 20px;
  color: #52616f;
}

.login-form {
  display: grid;
  gap: 14px;
}

.password-field {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.password-field input {
  min-width: 0;
}

.icon-button {
  color: #126b61;
  background: #e6f2ef;
  border-color: #b8d8d1;
}

.remember {
  font-weight: 500;
}

.error {
  margin-bottom: 14px;
  padding: 10px 12px;
  color: #8a1f11;
  background: #fdeceb;
  border: 1px solid #f5b8b4;
  border-radius: 6px;
}

code {
  padding: 1px 4px;
  background: #edf2f7;
  border-radius: 4px;
}

section > p,
li {
  line-height: 1.5;
}

section pre {
  max-width: none;
  overflow-x: auto;
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}