:root {
  --bg: #f4efe7;
  --bg-strong: #fffaf3;
  --panel: rgba(255, 252, 247, 0.9);
  --ink: #1f2a24;
  --muted: #607067;
  --line: rgba(31, 42, 36, 0.12);
  --line-strong: rgba(31, 42, 36, 0.18);
  --accent: #0f6d5a;
  --accent-strong: #0a4f42;
  --danger: #b0453c;
  --danger-bg: rgba(176, 69, 60, 0.1);
  --warn-bg: rgba(183, 123, 32, 0.12);
  --muted-bg: rgba(31, 42, 36, 0.05);
  --shadow: 0 24px 64px rgba(31, 42, 36, 0.12);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 109, 90, 0.16), transparent 26rem),
    radial-gradient(circle at bottom right, rgba(176, 69, 60, 0.1), transparent 24rem),
    linear-gradient(180deg, #faf5ee 0%, #efe6db 100%);
  font-family: "IBM Plex Sans", "Avenir Next", "Segoe UI", sans-serif;
}

.shell {
  width: min(1440px, calc(100vw - 32px));
  margin: 24px auto 40px;
}

.hero {
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(247, 241, 233, 0.84));
  box-shadow: var(--shadow);
}

.eyebrow {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(15, 109, 90, 0.1);
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 16px 0 10px;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero p,
.panel-subtitle,
.section-head p,
.tiny,
.meta-card,
.status,
.banner,
.preview pre,
.hook-item small {
  line-height: 1.55;
}

.hero p {
  margin: 0;
  max-width: 860px;
  color: var(--muted);
  font-size: 15px;
}

.workspace {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.workspace[hidden],
.login[hidden] {
  display: none;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px 0;
}

.panel-head h2,
.panel-head h3,
.toolbar-row h3,
.toolbar-row h4,
.section-head h3 {
  margin: 0;
  letter-spacing: -0.02em;
}

.panel-head h2 {
  font-size: 18px;
}

.panel-subtitle {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.panel-body {
  padding: 18px 20px 20px;
}

.login {
  max-width: 420px;
  margin: 28px auto 0;
}

.stack {
  display: grid;
  gap: 14px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: 1px solid rgba(31, 42, 36, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

input:focus,
select:focus {
  outline: none;
  border-color: rgba(15, 109, 90, 0.55);
  box-shadow: 0 0 0 4px rgba(15, 109, 90, 0.12);
  transform: translateY(-1px);
}

code,
pre,
.hook-item strong,
.code-input {
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
}

.code-input {
  letter-spacing: 0.35em;
  text-align: center;
  font-size: 22px;
}

button {
  border: 0;
  border-radius: 14px;
  min-height: 42px;
  padding: 0 16px;
  cursor: pointer;
  transition: transform 150ms ease, opacity 150ms ease, box-shadow 150ms ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(31, 42, 36, 0.12);
}

button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  box-shadow: none;
}

.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
}

.secondary {
  background: rgba(31, 42, 36, 0.08);
  color: var(--ink);
}

.ghost {
  background: transparent;
  color: var(--accent-strong);
  border: 1px dashed rgba(15, 109, 90, 0.28);
}

.danger {
  background: rgba(176, 69, 60, 0.14);
  color: var(--danger);
}

.meta-card,
.status,
.banner {
  padding: 14px 16px;
  border-radius: 16px;
  font-size: 13px;
}

.meta-card {
  background: rgba(15, 109, 90, 0.08);
  color: var(--accent-strong);
}

.status {
  margin-top: 14px;
  border: 1px solid rgba(31, 42, 36, 0.08);
}

.status-muted {
  background: var(--muted-bg);
  color: var(--muted);
}

.status-error {
  background: var(--danger-bg);
  border-color: rgba(176, 69, 60, 0.18);
  color: #7b3029;
}

.status-success {
  background: rgba(15, 109, 90, 0.1);
  border-color: rgba(15, 109, 90, 0.18);
  color: var(--accent-strong);
}

.banner {
  margin-bottom: 16px;
  background: var(--warn-bg);
  color: #81561d;
  border: 1px solid rgba(183, 123, 32, 0.18);
}

.toolbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.toolbar-row h3,
.toolbar-row h4 {
  font-size: 15px;
}

.hook-list {
  display: grid;
  gap: 10px;
  max-height: 58vh;
  overflow: auto;
  padding-right: 2px;
}

.hook-item {
  width: 100%;
  padding: 14px;
  border: 1px solid rgba(31, 42, 36, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.88);
  cursor: pointer;
  text-align: left;
}

.hook-item.active {
  border-color: rgba(15, 109, 90, 0.42);
  background: rgba(15, 109, 90, 0.1);
}

.hook-item strong {
  display: block;
  font-size: 13px;
  line-height: 1.4;
}

.hook-item small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.hook-form {
  display: grid;
  gap: 16px;
}

.editor-fieldset {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.section,
.preview {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.55);
}

.section {
  padding: 18px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.section-head h3 {
  font-size: 16px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  max-width: 560px;
}

.grid {
  display: grid;
  gap: 14px;
}

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

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

.grid-span-2 {
  grid-column: span 2;
}

.toggle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  cursor: pointer;
}

.toggle input {
  width: 18px;
  height: 18px;
  margin: 0;
  padding: 0;
  accent-color: var(--accent);
}

.toggle span {
  font-size: 14px;
  line-height: 1.45;
}

.subsection + .subsection {
  margin-top: 18px;
}

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

.repeatable-empty {
  padding: 14px 16px;
  border: 1px dashed rgba(31, 42, 36, 0.18);
  border-radius: 16px;
  color: var(--muted);
  font-size: 13px;
}

.repeatable-row {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.8);
}

.repeatable-row.columns-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr)) 44px;
}

.repeatable-row.columns-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr)) 44px;
}

.repeatable-row.columns-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr)) 44px;
}

.repeatable-row.columns-5 {
  grid-template-columns: repeat(5, minmax(0, 1fr)) 44px;
}

.field-inline-label {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.row-check {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
}

.row-check input {
  width: 18px;
  height: 18px;
  margin: 0;
  padding: 0;
  accent-color: var(--accent);
}

.icon-button {
  width: 44px;
  min-height: 44px;
  padding: 0;
  border-radius: 14px;
  background: rgba(176, 69, 60, 0.12);
  color: var(--danger);
}

.rule-editor {
  display: grid;
  gap: 12px;
}

.rule-card {
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  padding: 14px;
}

.rule-card[data-depth="1"] {
  margin-left: 14px;
}

.rule-card[data-depth="2"] {
  margin-left: 28px;
}

.rule-card[data-depth="3"] {
  margin-left: 42px;
}

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

.rule-head strong {
  font-size: 14px;
}

.rule-children {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.rule-note {
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--muted-bg);
  color: var(--muted);
  font-size: 13px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.preview {
  margin-top: 16px;
  overflow: hidden;
}

.preview summary {
  padding: 14px 16px;
  cursor: pointer;
  font-weight: 700;
}

.preview pre {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--ink);
  overflow: auto;
  font-size: 12px;
}

.tiny {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .grid-2,
  .grid-3,
  .toggle-grid,
  .repeatable-row.columns-2,
  .repeatable-row.columns-3,
  .repeatable-row.columns-4,
  .repeatable-row.columns-5 {
    grid-template-columns: 1fr;
  }

  .grid-span-2 {
    grid-column: auto;
  }

  .repeatable-row.columns-2 .icon-button,
  .repeatable-row.columns-3 .icon-button,
  .repeatable-row.columns-4 .icon-button,
  .repeatable-row.columns-5 .icon-button {
    width: 100%;
  }

  .rule-card[data-depth="1"],
  .rule-card[data-depth="2"],
  .rule-card[data-depth="3"] {
    margin-left: 0;
  }
}