: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);
  --warn: #ffb347;
  --warn-soft: rgba(255, 179, 71, 0.16);
  --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);
}

/* Layout */

.page-header {
  padding: 28px 24px 12px;
}

.page-header-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.page-header h1 {
  margin: 0 0 6px;
  font-size: 28px;
  letter-spacing: 0.02em;
}

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

.main {
  max-width: 1120px;
  margin: 0 auto 30px;
  padding: 0 24px 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 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;
}

/* 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: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

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

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

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

/* Left / right panels */

.panel-left {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel-right {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel-header-right {
  margin-bottom: 4px;
}

/* Sections */

.section-block {
  border-radius: var(--radius-md);
  border: 1px solid rgba(48, 54, 76, 0.9);
  background: rgba(7, 10, 18, 0.96);
  padding: 10px 11px;
  margin-top: 8px;
}

.section-title-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 6px;
}

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

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

/* Fields / Select */

.field {
  margin-top: 4px;
  margin-bottom: 4px;
}

.field-label {
  display: block;
  font-size: 12px;
  color: var(--text-main);
  margin-bottom: 4px;
}

/* Cinematic dropdown to match chips + panels */
.select {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid rgba(64, 70, 90, 0.9);
  border-left: 3px solid var(--accent);
  background:
    linear-gradient(135deg, rgba(13, 16, 26, 0.96), rgba(5, 6, 11, 0.98));
  color: var(--text-main);
  font-size: 13px;
  padding: 7px 32px 7px 9px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  box-shadow: inset 0 0 0 1px rgba(5, 6, 11, 0.9);
  background-image:
    linear-gradient(135deg, rgba(13, 16, 26, 0.96), rgba(5, 6, 11, 0.98)),
    url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23a5adbf' stroke-width='1.3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat, no-repeat;
  background-size: auto, 12px 8px;
  background-position: left top, calc(100% - 10px) 50%;
}

.select:focus {
  border-color: var(--accent);
  box-shadow:
    0 0 0 1px var(--accent-soft),
    0 0 0 1px rgba(5, 6, 11, 1);
}

/* Chips */

.chip-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.chip-row-wrap {
  flex-wrap: wrap;
  overflow-x: visible;
}

.chip {
  border-radius: 999px;
  border: 1px solid rgba(64, 70, 90, 0.9);
  background: rgba(13, 16, 26, 0.9);
  color: var(--text-muted);
  font-size: 12px;
  padding: 6px 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.08s ease, border-color 0.08s ease, transform 0.06s ease,
    box-shadow 0.06s ease, color 0.06s ease;
}

.chip span.chip-label-main {
  font-weight: 500;
  color: var(--text-main);
}

.chip span.chip-label-sub {
  font-size: 11px;
}

.chip-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text-main);
  box-shadow: 0 6px 16px rgba(244, 167, 185, 0.42);
  transform: translateY(-1px);
}

/* 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,
    opacity 0.06s 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);
}

.btn-sm {
  padding: 5px 11px;
  font-size: 12px;
}

/* Rule stack */

.rule-stack-summary {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.rule-stack {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 300px;
  overflow-y: auto;
  padding-right: 4px;
}

.rule-card {
  border-radius: 12px;
  border: 1px solid rgba(46, 51, 70, 0.96);
  background: radial-gradient(circle at top left, rgba(27, 31, 45, 0.96), #05060b);
  padding: 8px 9px;
  font-size: 12px;
}

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

.rule-name {
  font-weight: 600;
}

.rule-pack-badge {
  border-radius: 999px;
  border: 1px solid rgba(100, 108, 138, 0.9);
  padding: 2px 7px;
  font-size: 10px;
  color: var(--text-muted);
}

.rule-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
}

.rule-meta-item strong {
  color: var(--text-main);
}

/* Scenario summary badge row */

.summary-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 12px;
}

.summary-badge {
  border-radius: 999px;
  padding: 4px 10px;
  background: rgba(19, 22, 34, 0.96);
  border: 1px solid rgba(53, 59, 80, 0.96);
}

/* Rule table */

.rule-table {
  border-radius: var(--radius-md);
  border: 1px solid rgba(56, 62, 86, 0.96);
  background: #05060b;
  overflow: hidden;
}

.rule-table-header,
.rule-table-row {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(0, 1.1fr) 70px 80px 80px;
  gap: 6px;
  padding: 7px 10px;
  font-size: 11px;
}

.rule-table-header {
  background: rgba(20, 24, 35, 0.96);
  color: var(--text-muted);
  font-weight: 500;
}

.rule-table-row:nth-child(even) {
  background: rgba(13, 16, 26, 0.96);
}

.rule-table-row:nth-child(odd) {
  background: rgba(9, 11, 19, 0.96);
}

.rule-table-cell-main {
  font-size: 12px;
  color: var(--text-main);
}

.rule-table-cell-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.rule-table-effect {
  border-radius: 999px;
  padding: 2px 7px;
  text-align: center;
}

.rule-table-effect-allow {
  background: var(--success-soft);
  color: var(--success);
}

.rule-table-effect-deny {
  background: var(--danger-soft);
  color: var(--danger);
}

.rule-table-effect-transform {
  background: var(--warn-soft);
  color: var(--warn);
}

.rule-table-winner {
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
}

.rule-table-empty {
  padding: 8px 10px;
  font-size: 12px;
  color: var(--text-muted);
}

/* Decision */

.decision-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.decision-pill {
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.decision-pill-idle {
  background: rgba(26, 30, 42, 0.96);
  color: var(--text-muted);
}

.decision-pill-allow {
  background: var(--success-soft);
  color: var(--success);
}

.decision-pill-deny {
  background: var(--danger-soft);
  color: var(--danger);
}

.decision-pill-transform {
  background: var(--warn-soft);
  color: var(--warn);
}

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

.explanation {
  font-size: 13px;
  color: var(--text-main);
}

/* Trace */

.trace-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.trace-title {
  font-size: 13px;
  color: var(--text-muted);
}

.trace-log {
  margin: 0;
  border-radius: var(--radius-md);
  background: #05060b;
  border: 1px solid var(--border-subtle);
  padding: 7px 9px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  max-height: 160px;
  overflow: auto;
  display: none;
}

/* Responsive */

@media (max-width: 960px) {
  .main {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .panel {
    padding: 16px 14px 14px;
  }

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

  .rule-table-header,
  .rule-table-row {
    grid-template-columns: minmax(0, 1.8fr) minmax(0, 1.1fr) 70px 60px 60px;
  }

  .decision-row {
    flex-direction: column;
    align-items: flex-start;
  }
}