:root {
  --page-bg: #f4f6f5;
  --surface: #ffffff;
  --text: #202124;
  --muted: #687078;
  --line: #d8dfdc;
  --accent: #1f7a68;
  --accent-dark: #155c4e;
  --danger: #a33c32;
  --shadow: 0 12px 28px rgba(33, 38, 34, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

.admin-shell {
  min-height: 100vh;
}

.admin-topbar {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(14px, 3vw, 28px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
  position: sticky;
  top: 0;
  z-index: 20;
}

.admin-topbar h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
}

.admin-topbar p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.admin-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.primary-button,
.secondary-button {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.primary-button {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
}

.primary-button:hover {
  background: var(--accent-dark);
}

.secondary-button:hover {
  border-color: var(--accent);
}

.compact {
  min-height: 32px;
  padding: 0 10px;
  font-size: 13px;
}

.admin-workspace {
  width: min(1320px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 18px;
  margin: 0 auto;
  padding: 18px clamp(12px, 3vw, 28px);
}

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

.section-block,
.preview-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.section-block {
  padding: 16px;
}

.section-block h2 {
  margin: 0 0 14px;
  font-size: 16px;
}

.section-block h3 {
  margin: 0;
  font-size: 14px;
}

label {
  display: grid;
  gap: 7px;
  margin-bottom: 12px;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfb;
  color: var(--text);
  outline: none;
}

input,
select {
  height: 38px;
  padding: 0 10px;
}

textarea {
  resize: vertical;
  min-height: 76px;
  padding: 9px 10px;
  line-height: 1.55;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 122, 104, 0.14);
}

input[type="color"] {
  padding: 4px;
}

.field-grid,
.color-grid {
  display: grid;
  gap: 12px;
}

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

.color-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.examples-editor {
  margin-top: 8px;
}

.examples-editor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.examples-list {
  display: grid;
  gap: 10px;
}

.example-row {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr) auto;
  gap: 8px;
  align-items: start;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.example-row label {
  margin: 0;
}

.delete-example {
  min-width: 38px;
  min-height: 38px;
  border: 1px solid rgba(163, 60, 50, 0.25);
  border-radius: 6px;
  background: #fff7f5;
  color: var(--danger);
}

.preview-panel {
  align-self: start;
  position: sticky;
  top: 92px;
  overflow: hidden;
}

.preview-topbar {
  min-height: var(--preview-header-height, 92px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
  border-bottom: 1px solid var(--preview-line, #d9ded8);
  background: var(--preview-topbar-bg, #ffffff);
}

.preview-brand {
  min-width: 0;
}

.preview-eyebrow {
  margin-bottom: 5px;
  color: var(--preview-accent, #1f7a68);
  font-size: 12px;
  font-weight: 700;
}

.preview-brand h2 {
  margin: 0;
  color: var(--preview-text, #202124);
  font-size: var(--preview-title-size, 24px);
  line-height: 1.25;
}

.preview-brand p {
  margin: 7px 0 0;
  color: var(--preview-muted, #6b6f76);
  font-size: var(--preview-subtitle-size, 14px);
  line-height: 1.45;
}

.preview-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.preview-pill,
.preview-actions button {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 9px;
  border-radius: var(--preview-button-radius, 6px);
  border: 1px solid var(--preview-line, #d9ded8);
  background: var(--preview-surface, #ffffff);
  color: var(--preview-text, #202124);
  font-size: 12px;
}

.preview-pill {
  max-width: 120px;
  color: var(--preview-accent-dark, #155c4e);
  background: var(--preview-soft, #f3f7f4);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-body {
  display: grid;
  gap: 12px;
  padding: 14px;
  background: var(--preview-bg, #f6f3ee);
}

.preview-message,
.preview-input {
  border: 1px solid var(--preview-line, #d9ded8);
  border-radius: 8px;
  background: var(--preview-surface, #ffffff);
  color: var(--preview-text, #202124);
}

.preview-message {
  padding: 12px;
  line-height: 1.6;
}

.preview-composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 72px;
  gap: 8px;
}

.preview-input {
  min-height: 40px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  color: var(--preview-muted, #6b6f76);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-composer button {
  border: 0;
  border-radius: var(--preview-button-radius, 6px);
  background: var(--preview-accent, #1f7a68);
  color: #ffffff;
  font-weight: 700;
}

.preview-panel[data-actions="left"] .preview-topbar {
  flex-direction: row-reverse;
}

.preview-panel[data-actions="center"] .preview-topbar {
  flex-direction: column;
  align-items: flex-start;
}

.preview-panel[data-actions="center"] .preview-actions {
  align-self: flex-start;
}

.preview-panel[data-button-style="solid"] .preview-actions button {
  border-color: var(--preview-accent, #1f7a68);
  background: var(--preview-accent, #1f7a68);
  color: #ffffff;
}

.status-ok {
  color: var(--accent);
}

.status-error {
  color: var(--danger);
}

@media (max-width: 980px) {
  .admin-workspace {
    grid-template-columns: 1fr;
  }

  .preview-panel {
    position: static;
  }
}

@media (max-width: 640px) {
  .admin-topbar,
  .admin-actions {
    align-items: stretch;
  }

  .admin-topbar {
    flex-direction: column;
  }

  .admin-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
  }

  .field-grid,
  .color-grid,
  .example-row {
    grid-template-columns: 1fr;
  }
}