/* Base layout */

:root {
  --bg: #0b0c0f;
  --bg-elevated: #151821;
  --border-subtle: #2b2f3b;
  --accent: #f4a7b9;
  --accent-soft: rgba(244, 167, 185, 0.18);
  --text-main: #f8f9fb;
  --text-muted: #a5adbf;
  --danger: #ff6b81;
  --danger-soft: rgba(255, 107, 129, 0.12);
  --success: #32d296;
  --success-soft: rgba(50, 210, 150, 0.12);
  --warning: #ffdd57;
  --radius-lg: 18px;
  --radius-md: 10px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.55);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at top, #171b26 0, #05060a 48%, #05060a 100%);
  color: var(--text-main);
}

/* Page structure */

.page-header {
  padding: 32px 24px 12px;
}

.page-header-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.page-header h1 {
  margin: 0 0 8px;
  font-size: 28px;
  letter-spacing: 0.02em;
}

.tagline {
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
}

.main {
  max-width: 1100px;
  margin: 0 auto 32px;
  padding: 0 24px 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1.4fr);
  gap: 20px;
}

.page-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 12px 24px 22px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

.page-footer a {
  color: var(--accent);
  text-decoration: none;
}

.page-footer a:hover {
  text-decoration: underline;
}

/* Panels */

.panel {
  background: linear-gradient(
    135deg,
    rgba(20, 24, 35, 0.98),
    rgba(8, 10, 16, 0.98)
  );
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  padding: 18px 18px 16px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.panel-header h2 {
  margin: 0;
  font-size: 18px;
}

.panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.panel-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
}

/* Text */

.help-text {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--text-muted);
}

/* Prompt select */

.prompt-select-row {
  margin: 8px 0 10px;
}

.prompt-select-row label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
}

.prompt-select {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: #05060b;
  color: var(--text-main);
  font-size: 13px;
  padding: 8px 10px;
  outline: none;
}

.prompt-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.prompt-select-help {
  margin-top: 4px;
  font-size: 11.5px;
}

/* Prompt input */

.prompt-input {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: #05060b;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 11px;
  resize: vertical;
  min-height: 140px;
  line-height: 1.45;
  outline: none;
}

.prompt-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

/* Buttons */

.btn {
  border-radius: 999px;
  border: none;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.06s ease, box-shadow 0.06s ease,
    background 0.08s ease;
}

.btn-primary {
  background: var(--accent);
  color: #130c12;
  box-shadow: 0 8px 20px rgba(244, 167, 185, 0.38);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(244, 167, 185, 0.52);
}

.btn-secondary {
  background: rgba(34, 39, 54, 0.9);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(43, 49, 66, 0.95);
}

/* Status text */

.parse-status {
  font-size: 12px;
  color: var(--text-muted);
}

/* Variation settings */

.variation-settings {
  margin-top: 14px;
}

.variation-settings-header {
  margin-bottom: 8px;
}

.variation-settings-header h3 {
  margin: 0 0 4px;
  font-size: 15px;
}

.variation-settings-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr);
  gap: 12px;
  align-items: flex-start;
}

.variation-count-group {
  background: rgba(10, 12, 18, 0.95);
  border-radius: var(--radius-md);
  border: 1px solid rgba(41, 45, 60, 0.9);
  padding: 9px 10px 10px;
}

.control-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 2px;
}

.control-label-row label {
  font-size: 13px;
  font-weight: 500;
}

.control-help {
  margin: 0 0 6px;
  font-size: 11px;
  color: var(--text-muted);
}

.variation-count-toggle {
  display: inline-flex;
  border-radius: 999px;
  border: 1px solid rgba(60, 64, 82, 0.95);
  overflow: hidden;
}

.variation-count-btn {
  background: transparent;
  border: none;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
}

.variation-count-btn-active {
  background: rgba(49, 54, 74, 0.98);
  color: var(--text-main);
}

/* Preset legend */

.preset-legend {
  background: rgba(10, 12, 18, 0.95);
  border-radius: var(--radius-md);
  border: 1px solid rgba(41, 45, 60, 0.9);
  padding: 9px 11px 10px;
}

.legend-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 4px;
}

.legend-title {
  font-size: 13px;
  font-weight: 500;
}

.legend-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

.legend-list {
  list-style: none;
  margin: 0;
  padding-left: 0;
  font-size: 11.5px;
  color: var(--text-muted);
}

.legend-list li {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
}

.legend-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: rgba(43, 48, 65, 0.95);
  font-size: 11px;
  color: #e2e4f0;
}

/* Summary badges */

.summary {
  margin-bottom: 12px;
}

.summary-badge {
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.summary-badge-idle {
  background: rgba(26, 30, 42, 0.9);
  color: var(--text-muted);
}

.summary-badge-ok {
  background: var(--success-soft);
  color: var(--success);
}

.summary-badge-warn {
  background: rgba(255, 221, 87, 0.12);
  color: var(--warning);
}

/* Variations */

.variations-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.variation-card {
  background: rgba(10, 12, 18, 0.95);
  border-radius: var(--radius-md);
  border: 1px solid rgba(41, 45, 60, 0.9);
  padding: 10px 10px 9px;
  display: flex;
  flex-direction: column;
  min-height: 170px;
}

.variation-card[data-hidden="true"] {
  display: none;
}

.variation-header {
  margin-bottom: 6px;
}

.variation-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.variation-label {
  font-size: 13px;
  font-weight: 600;
}

.variation-preset {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(43, 48, 65, 0.95);
  color: var(--text-muted);
}

.variation-meta {
  margin: 3px 0 0;
  font-size: 11px;
  color: var(--text-muted);
}

.variation-body {
  flex: 1;
  border-radius: var(--radius-md);
  background: #05060b;
  border: 1px solid rgba(35, 39, 54, 0.9);
  padding: 8px 9px;
  font-size: 12px;
  color: var(--text-main);
  overflow-y: auto;
}

.variation-placeholder {
  margin: 0;
  white-space: pre-wrap;
}

/* Comparison notes */

.comparison-notes h3 {
  margin: 0 0 4px;
  font-size: 13px;
  color: var(--text-muted);
}

.comparison-text {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
}

/* Responsive */

@media (max-width: 900px) {
  .main {
    grid-template-columns: minmax(0, 1fr);
  }

  .panel {
    padding: 16px 14px 14px;
  }

  .variation-settings-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .variations-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

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

  .panel-header {
    flex-direction: column;
    align-items: flex-start;
  }
}