:root {
  --preview-bg: #f4f6fb;
  --preview-panel: rgba(255, 255, 255, 0.94);
  --preview-border: rgba(76, 95, 132, 0.16);
  --preview-border-strong: rgba(76, 95, 132, 0.28);
  --preview-text: #122036;
  --preview-muted: rgba(18, 32, 54, 0.66);
  --preview-accent: #4c6fbe;
  --preview-accent-soft: rgba(76, 111, 190, 0.12);
  --preview-success: #2f6d48;
  --preview-danger: #b64545;
  --preview-shadow: 0 18px 36px rgba(60, 82, 123, 0.1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "SF Pro Display", "Avenir Next", "PingFang SC", "Noto Sans SC", sans-serif;
  color: var(--preview-text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.92), transparent 26%),
    var(--preview-bg);
}

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

button {
  border: 0;
  cursor: pointer;
}

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

.prompt-preview-page {
  width: min(1400px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 36px;
  display: grid;
  gap: 16px;
}

.prompt-preview-hero,
.prompt-preview-controls,
.prompt-preview-panel,
.prompt-preview-meta__group {
  border: 1px solid var(--preview-border);
  background: var(--preview-panel);
  border-radius: 14px;
  box-shadow: var(--preview-shadow);
}

.prompt-preview-hero,
.prompt-preview-controls,
.prompt-preview-panel,
.prompt-preview-meta__group {
  padding: 18px;
}

.prompt-preview-kicker,
.prompt-preview-card__eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  line-height: 1.3;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(76, 111, 190, 0.92);
}

.prompt-preview-title {
  margin: 0;
  font-size: 28px;
  line-height: 1.12;
}

.prompt-preview-subtitle {
  margin: 12px 0 0;
  max-width: 900px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--preview-muted);
}

.prompt-preview-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.prompt-preview-field {
  display: grid;
  gap: 8px;
  min-width: 0;
  align-content: start;
}

.prompt-preview-field > span {
  font-size: 12px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--preview-muted);
}

.prompt-preview-field input[type="number"],
.prompt-preview-field select,
.prompt-preview-textarea {
  width: 100%;
  border: 1px solid rgba(18, 32, 54, 0.12);
  border-radius: 10px;
  background: #fff;
  color: var(--preview-text);
}

.prompt-preview-field input[type="number"],
.prompt-preview-field select {
  min-height: 42px;
  padding: 10px 12px;
}

.prompt-preview-field--checkbox {
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.78);
}

.prompt-preview-field--checkbox input {
  width: 16px;
  height: 16px;
}

.prompt-preview-field--checkbox span {
  color: var(--preview-text);
}

.prompt-preview-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.prompt-preview-primary,
.prompt-preview-secondary {
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    transform 140ms ease,
    box-shadow 140ms ease,
    background-color 140ms ease;
}

.prompt-preview-primary {
  background: var(--preview-accent);
  color: #fff;
  box-shadow: 0 10px 22px rgba(76, 111, 190, 0.2);
}

.prompt-preview-secondary {
  background: rgba(255, 255, 255, 0.86);
  color: var(--preview-text);
  border: 1px solid rgba(18, 32, 54, 0.08);
}

.prompt-preview-primary:hover,
.prompt-preview-secondary:hover {
  transform: translateY(-1px);
}

.prompt-preview-primary:disabled,
.prompt-preview-secondary:disabled {
  opacity: 0.6;
  cursor: default;
  transform: none;
}

.prompt-preview-status {
  grid-column: 1 / -1;
  margin: 0;
  min-height: 20px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--preview-muted);
}

.prompt-preview-status.is-success {
  color: var(--preview-success);
}

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

.prompt-preview-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.prompt-preview-meta__group h2,
.prompt-preview-panel h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
}

.prompt-preview-badges,
.prompt-preview-item__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.prompt-preview-badges {
  margin-top: 12px;
}

.prompt-preview-badge,
.prompt-preview-mini-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--preview-accent-soft);
  color: rgba(51, 72, 118, 0.98);
  font-size: 12px;
  line-height: 1.3;
  font-weight: 700;
}

.prompt-preview-mini-badge {
  min-height: 24px;
  padding: 0 8px;
}

.prompt-preview-editors,
.prompt-preview-grid {
  display: grid;
  gap: 16px;
}

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

.prompt-preview-panel {
  min-width: 0;
}

.prompt-preview-panel__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.prompt-preview-editor-stage {
  display: grid;
  gap: 14px;
}

.prompt-preview-editor-section {
  display: grid;
  gap: 10px;
}

.prompt-preview-editor-section__head h3 {
  margin: 0;
  font-size: 13px;
  line-height: 1.4;
  color: var(--preview-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.prompt-preview-editor-list {
  display: grid;
  gap: 10px;
}

.prompt-preview-item {
  border: 1px solid rgba(18, 32, 54, 0.08);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.78);
  display: grid;
  gap: 10px;
}

.prompt-preview-item.is-runtime {
  background: rgba(246, 248, 252, 0.92);
}

.prompt-preview-item.is-locked {
  border-color: var(--preview-border-strong);
  background: rgba(244, 247, 255, 0.96);
}

.prompt-preview-item__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.prompt-preview-item__head h3 {
  margin: 0;
  font-size: 15px;
  line-height: 1.4;
}

.prompt-preview-item__head p {
  margin: 4px 0 0;
  font-size: 12px;
  line-height: 1.4;
  color: var(--preview-muted);
}

.prompt-preview-textarea {
  min-height: 110px;
  padding: 12px;
  resize: vertical;
  line-height: 1.6;
}

.prompt-preview-rendered,
.prompt-preview-readonly {
  border: 1px solid rgba(18, 32, 54, 0.08);
  border-radius: 10px;
  background: rgba(244, 247, 255, 0.82);
}

.prompt-preview-rendered {
  padding: 10px 12px;
  display: grid;
  gap: 8px;
}

.prompt-preview-rendered p {
  margin: 0;
  font-size: 12px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--preview-muted);
}

.prompt-preview-rendered pre,
.prompt-preview-readonly,
.prompt-preview-code {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.prompt-preview-readonly,
.prompt-preview-code {
  padding: 12px;
  overflow: auto;
  font-family: "SFMono-Regular", "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.65;
}

.prompt-preview-code {
  min-height: 220px;
  border: 1px solid rgba(18, 32, 54, 0.08);
  border-radius: 10px;
  background: rgba(246, 248, 252, 0.94);
}

.prompt-preview-empty {
  margin: 0;
  padding: 16px;
  border: 1px dashed rgba(18, 32, 54, 0.16);
  border-radius: 10px;
  color: var(--preview-muted);
  font-size: 13px;
  line-height: 1.6;
}

@media (max-width: 1120px) {
  .prompt-preview-controls,
  .prompt-preview-meta,
  .prompt-preview-editors,
  .prompt-preview-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .prompt-preview-page {
    width: min(100vw, calc(100vw - 20px));
    padding: 16px 0 28px;
  }

  .prompt-preview-hero,
  .prompt-preview-controls,
  .prompt-preview-panel,
  .prompt-preview-meta__group {
    padding: 14px;
  }

  .prompt-preview-title {
    font-size: 24px;
  }

  .prompt-preview-panel__head,
  .prompt-preview-item__head {
    flex-direction: column;
  }
}