*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0b;
  --surface: #111113;
  --surface2: #18181c;
  --surface3: #1f1f25;
  --border: #2a2a32;
  --border2: #353540;
  --accent: #e8ff47;
  --accent2: #b8ff00;
  --red: #ff4d4d;
  --green: #47ff8a;
  --blue: #47b8ff;
  --orange: #ffb347;
  --muted: #555565;
  --text: #e8e8f0;
  --text2: #9090a8;
  --text3: #606075;
  --mono: 'Geist Mono', monospace;
  --sans: 'Syne', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── HEADER ── */
header {
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: rgba(10,10,11,0.92);
  backdrop-filter: blur(12px);
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.logo-badge {
  background: var(--accent);
  color: #000;
  font-size: 0.6rem;
  font-family: var(--mono);
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.08em;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-link {
  color: var(--text2);
  text-decoration: none;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  transition: color 0.15s;
}
.header-link:hover { color: var(--accent); }

/* ── LAYOUT ── */
.app {
  display: grid;
  grid-template-columns: 380px 1fr 340px;
  height: calc(100vh - 56px);
  overflow: hidden;
}

.panel {
  border-right: 1px solid var(--border);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border2) transparent;
}
.panel:last-child { border-right: none; }

.panel-header {
  position: sticky;
  top: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  z-index: 10;
}

.panel-title {
  font-size: 0.65rem;
  font-family: var(--mono);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text2);
  text-transform: uppercase;
  white-space: nowrap;
}

.panel-badge {
  font-size: 0.6rem;
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid var(--border2);
  color: var(--text3);
  letter-spacing: 0.06em;
}

.panel-body { padding: 20px; }

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

/* ── POLICY META ── */
.field-group { margin-bottom: 20px; }

.field-label {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--text3);
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}

.field-error {
  font-size: 0.62rem;
  color: var(--red);
  display: block;
  margin-top: 4px;
  min-height: 1em;
  line-height: 1.4;
}

input[type="text"],
input[type="datetime-local"] {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 12px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.78rem;
  outline: none;
  transition: border-color 0.15s;
}
input:focus { border-color: var(--accent); }
input.invalid { border-color: var(--red); }
input::placeholder { color: var(--text3); }

/* ── SECTION DIVIDER ── */
.section-divider {
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--text3);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0 14px;
}
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── RULE CARDS ── */
.rule-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color 0.15s;
}
.rule-card:hover { border-color: var(--border2); }
.rule-card.active { border-color: var(--accent); }

.rule-card-header {
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.rule-toggle {
  width: 32px;
  height: 18px;
  border-radius: 9px;
  background: var(--surface3);
  border: 1px solid var(--border2);
  position: relative;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.rule-toggle.on {
  background: var(--accent);
  border-color: var(--accent);
}
.rule-toggle::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text3);
  top: 2px;
  left: 2px;
  transition: transform 0.2s, background 0.2s;
}
.rule-toggle.on::after {
  transform: translateX(14px);
  background: #000;
}

.rule-name {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text);
  flex: 1;
}

.rule-type-tag {
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  color: var(--text3);
  padding: 2px 7px;
  border: 1px solid var(--border);
  border-radius: 3px;
  text-transform: uppercase;
}

.rule-body {
  padding: 0 14px 14px;
  border-top: 1px solid var(--border);
  display: none;
}
.rule-body.open { display: block; padding-top: 12px; }

.rule-desc {
  font-size: 0.66rem;
  color: var(--text3);
  margin-bottom: 12px;
  line-height: 1.5;
}

/* ── CHAIN CHECKBOXES ── */
.chain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.chain-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  font-size: 0.72rem;
  color: var(--text2);
  user-select: none;
}
.chain-chip:hover { border-color: var(--border2); }
.chain-chip.selected {
  border-color: var(--accent);
  background: rgba(232,255,71,0.06);
  color: var(--text);
}

.chain-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border2);
  flex-shrink: 0;
  transition: background 0.15s;
}
.chain-chip.selected .chain-dot { background: var(--accent); }

/* ── ALLOWLIST ── */
.addr-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }

.addr-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 10px;
  font-size: 0.68rem;
  color: var(--text2);
  font-family: var(--mono);
  transition: border-color 0.15s;
}
.addr-item.addr-invalid {
  border-color: rgba(255,77,77,0.35);
  background: rgba(255,77,77,0.04);
}

.addr-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.addr-warn {
  font-size: 0.72rem;
  color: var(--orange);
  flex-shrink: 0;
  cursor: help;
}

.addr-remove {
  margin-left: auto;
  color: var(--text3);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  transition: color 0.15s;
  flex-shrink: 0;
}
.addr-remove:hover { color: var(--red); }

.addr-add-row {
  display: flex;
  gap: 6px;
}
.addr-add-row input { flex: 1; }

/* ── BUTTONS ── */
.btn {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  padding: 8px 14px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}
.btn-accent {
  background: var(--accent);
  color: #000;
  font-weight: 600;
}
.btn-accent:hover { background: var(--accent2); }
.btn-ghost {
  background: var(--surface3);
  color: var(--text2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--border2); color: var(--text); }
.btn-danger {
  background: rgba(255,77,77,0.1);
  color: var(--red);
  border: 1px solid rgba(255,77,77,0.2);
}
.btn-danger:hover { background: rgba(255,77,77,0.2); }
.btn-sm { padding: 5px 10px; font-size: 0.65rem; }
.btn-full { width: 100%; justify-content: center; display: flex; }

/* ── MIDDLE PANEL: JSON OUTPUT ── */
.json-panel {
  background: var(--surface);
  display: flex;
  flex-direction: column;
}

.json-output {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  font-size: 0.76rem;
  line-height: 1.7;
  scrollbar-width: thin;
  scrollbar-color: var(--border2) transparent;
}

.json-placeholder {
  color: var(--text3);
  font-size: 0.72rem;
  margin-top: 60px;
  text-align: center;
  line-height: 2;
}

.json-section-label {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--text3);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.json-section-label + pre { margin-top: 0; }

.json-pre {
  white-space: pre-wrap;
  word-break: break-all;
  font-family: var(--mono);
  font-size: 0.76rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.json-cmd {
  color: var(--text2);
  font-size: 0.72rem;
  line-height: 1.8;
}

/* ── SYNTAX HIGHLIGHT ── */
.json-key    { color: #9da8ff; }
.json-string { color: #a8ff9d; }
.json-number { color: #ffb347; }
.json-bool   { color: var(--blue); }
.json-null   { color: var(--muted); }
.json-punct  { color: var(--text3); }

/* ── POLICY WARNINGS ── */
.policy-warning {
  background: rgba(255,183,71,0.07);
  border: 1px solid rgba(255,183,71,0.22);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.65rem;
  color: var(--orange);
  margin-bottom: 10px;
  line-height: 1.5;
}

/* ── COPY TOAST ── */
.copy-toast {
  font-size: 0.65rem;
  color: var(--green);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.copy-toast.show { opacity: 1; }

/* ── RIGHT PANEL: SIMULATOR ── */
.sim-result {
  margin-top: 16px;
  border-radius: 8px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  display: none;
}
.sim-result.show { display: block; }
.sim-result.pass {
  background: rgba(71,255,138,0.06);
  border-color: rgba(71,255,138,0.3);
}
.sim-result.fail {
  background: rgba(255,77,77,0.06);
  border-color: rgba(255,77,77,0.3);
}

.sim-verdict {
  font-family: var(--sans);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sim-verdict.pass { color: var(--green); }
.sim-verdict.fail { color: var(--red); }

.sim-checks { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }

.sim-check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.7rem;
  color: var(--text2);
  line-height: 1.5;
}
.sim-check-icon { flex-shrink: 0; margin-top: 1px; }
.sim-check.pass .sim-check-icon { color: var(--green); }
.sim-check.fail .sim-check-icon { color: var(--red); }
.sim-check.skip { opacity: 0.4; }

/* ── PRESETS ── */
.preset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 20px;
}
.preset-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  font-family: var(--mono);
}
.preset-btn:hover { border-color: var(--accent); background: rgba(232,255,71,0.04); }
.preset-btn-name {
  font-size: 0.72rem;
  color: var(--text);
  font-weight: 500;
  margin-bottom: 2px;
}
.preset-btn-desc {
  font-size: 0.62rem;
  color: var(--text3);
  line-height: 1.4;
}

/* ── POLICY CONTEXT PREVIEW ── */
.ctx-preview {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  font-size: 0.68rem;
  line-height: 1.8;
  overflow-x: auto;
}

/* ── SCROLLBARS ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 12px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.72rem;
  outline: none;
  resize: vertical;
  transition: border-color 0.15s;
  line-height: 1.5;
}
textarea:focus { border-color: var(--accent); }

select {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 12px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.78rem;
  outline: none;
  transition: border-color 0.15s;
  cursor: pointer;
}
select:focus { border-color: var(--accent); }

.info-box {
  background: rgba(71,184,255,0.06);
  border: 1px solid rgba(71,184,255,0.2);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 0.68rem;
  color: var(--blue);
  line-height: 1.6;
  margin-bottom: 16px;
}

.spending-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.spin {
  display: inline-block;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.fade-in {
  animation: fadeIn 0.2s ease forwards;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}