/* ===== BUTTONS ===== */
.btn-primary {
  background: var(--accent);
  color: var(--bg-0);
  border: none;
  padding: 10px 24px;
  border-radius: 7px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover {
  background: hsl(199, 89%, 60%);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 10px 20px;
  border-radius: 7px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.88rem;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-ghost:hover {
  border-color: var(--accent-dim);
  color: var(--accent);
}
.btn-launch {
  background: var(--accent);
  color: var(--bg-0);
  border: none;
  padding: 14px 32px;
  border-radius: 8px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1rem;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn-launch:hover {
  background: hsl(199, 89%, 60%);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--accent-glow);
}
.icon-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 0.72rem;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.icon-btn:hover {
  border-color: var(--accent-dim);
  color: var(--accent);
}
.icon-btn.danger:hover {
  border-color: var(--red);
  color: var(--red);
}
.copy-mini {
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 3px 8px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.62rem;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.copy-mini:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.copy-mini.copied {
  background: var(--green);
  color: var(--bg-0);
  border-color: var(--green);
}

/* ===== INPUTS ===== */
.search-wrap {
  position: relative;
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
}
.search-wrap .fa-magnifying-glass {
  position: absolute;
  left: 10px;
  color: var(--text-dim);
  font-size: 0.75rem;
  pointer-events: none;
}
.search-input {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 6px 32px 6px 30px;
  outline: none;
  transition: border-color var(--transition);
}
.search-input:focus {
  border-color: var(--accent-dim);
}
.search-input::placeholder {
  color: var(--text-dim);
}
.search-clear {
  position: absolute;
  right: 6px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 0.7rem;
  padding: 2px 4px;
  border-radius: 3px;
  display: none;
  align-items: center;
  justify-content: center;
  transition: color var(--transition);
}
.search-clear:hover {
  color: var(--text);
}
.search-clear.visible {
  display: flex;
}

/* ===== BADGE ===== */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-family: var(--mono);
  letter-spacing: 0.04em;
  margin-bottom: 28px;
  width: fit-content;
}
.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
  flex-shrink: 0;
}
.value-type-badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-string {
  background: hsl(186, 80%, 12%);
  color: var(--str);
  border: 1px solid hsl(186, 80%, 20%);
}
.badge-number {
  background: hsl(45, 80%, 12%);
  color: var(--num);
  border: 1px solid hsl(45, 80%, 22%);
}
.badge-boolean {
  background: hsl(0, 60%, 12%);
  color: var(--bool);
  border: 1px solid hsl(0, 60%, 22%);
}
.badge-object {
  background: hsl(222, 40%, 10%);
  color: var(--key);
  border: 1px solid var(--border);
}
.badge-array {
  background: hsl(222, 40%, 10%);
  color: var(--key);
  border: 1px solid var(--border);
}
.badge-null {
  background: hsl(222, 30%, 8%);
  color: var(--null-col);
  border: 1px solid var(--border);
}

/* ===== KBD ===== */
kbd {
  display: inline-block;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 3px;
  padding: 1px 5px;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--text-dim);
}

/* ===== TOAST ===== */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--green);
  padding: 10px 20px;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.78rem;
  z-index: 10000;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}
#toast.show {
  transform: translateX(-50%) translateY(0);
}

/* ===== LANDING NAV ===== */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: var(--nav-h);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  background: hsla(222, 47%, 1%, 0.92);
  backdrop-filter: blur(12px);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}
.logo-mark {
  width: 30px;
  height: 30px;
  background: var(--accent);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-0);
  font-size: 0.8rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover {
  color: var(--text);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ===== APP NAV ===== */
.app-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px 0 16px;
  height: var(--app-nav-h);
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
  flex-shrink: 0;
  gap: 8px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.app-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
}
.app-logo .logo-mark {
  width: 24px;
  height: 24px;
  font-size: 0.7rem;
  border-radius: 5px;
}
.app-tabs {
  display: flex;
  gap: 3px;
  font-family: var(--mono);
  font-size: 0.7rem;
  flex-shrink: 0;
}
.app-tab {
  padding: 5px 12px;
  border-radius: 5px;
  cursor: pointer;
  color: var(--text-dim);
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.app-tab:hover {
  color: var(--text);
}
.app-tab.active {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: var(--accent-dim);
}
.app-actions {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-shrink: 0;
}
.shortcuts {
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--text-dim);
}
.shortcut {
  display: flex;
  gap: 4px;
  align-items: center;
}

/* ===== APP BODY ===== */
.app-layout {
  display: flex;
  height: calc(100vh - var(--app-nav-h));
  overflow: hidden;
}

/* ===== DROP ZONE ===== */
#drop-zone {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  cursor: pointer;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
  border-right: 1px solid var(--border);
  padding: 40px 24px;
}
#drop-zone.hidden {
  display: none;
}
#drop-zone::before {
  content: "";
  position: absolute;
  inset: 40px;
  border: 2px dashed var(--border);
  border-radius: 16px;
  animation: pulseBorder 3s ease infinite;
  pointer-events: none;
}
#drop-zone.drag-over {
  background: var(--accent-glow);
}
#drop-zone.drag-over::before {
  border-color: var(--accent);
}
.drop-icon {
  font-size: 2rem;
  color: var(--text-dim);
}
.drop-title {
  font-size: 1.05rem;
  font-weight: 700;
  opacity: 0.7;
}
.drop-sub {
  font-size: 0.78rem;
  color: var(--text-dim);
  font-family: var(--mono);
}
.drop-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 380px;
  color: var(--text-dim);
  font-size: 0.75rem;
  padding: 0 45px;
}
.drop-divider::before,
.drop-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}
.paste-area {
  width: 380px;
  max-width: 100%;
  height: 110px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  color: var(--str);
  font-family: var(--mono);
  font-size: 0.72rem;
  resize: none;
  outline: none;
  transition: border-color var(--transition);
  line-height: 1.5;
}
.paste-area:focus {
  border-color: var(--accent-dim);
}
.paste-area::placeholder {
  color: var(--text-dim);
}
.drop-parse-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  padding: 10px 45px;
}
#error-msg {
  color: var(--bool);
  font-family: var(--mono);
  font-size: 0.72rem;
  background: hsl(0, 60%, 8%);
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid hsl(0, 60%, 18%);
  max-width: 380px;
  display: none;
  text-align: center;
}

/* ===== TREE PANEL ===== */
#tree-panel {
  flex: 1;
  display: none;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--border);
  min-width: 0;
}
#tree-panel.visible {
  display: flex;
}
.tree-toolbar {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 8px;
  align-items: center;
  background: var(--bg-1);
  flex-shrink: 0;
}
.tree-info {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  white-space: nowrap;
  flex-shrink: 0;
}
.virtual-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  position: relative;
}
.virtual-spacer {
  position: relative;
}
.v-nodes-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  min-width: max-content;
}
.v-node {
  display: flex;
  align-items: center;
  height: var(--row-h);
  padding: 0 8px 0 0;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.72rem;
  transition: background 0.1s;
  white-space: nowrap;
  user-select: none;
}
.v-node:hover {
  background: var(--bg-2);
}
.v-node.selected {
  background: var(--accent-glow);
}
.v-node.search-match {
  background: hsla(45, 90%, 50%, 0.08);
}
.v-node.search-match.selected {
  background: var(--accent-glow);
}
.v-node-indent {
  display: inline-block;
  flex-shrink: 0;
}
.v-node-arrow {
  width: 16px;
  flex-shrink: 0;
  color: var(--text-dim);
  font-size: 0.55rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s;
}
.v-node-arrow.open {
  transform: rotate(90deg);
}
.v-node-arrow.leaf {
  opacity: 0;
  pointer-events: none;
}
.v-node-key {
  color: var(--key);
}
.v-node-colon {
  color: var(--text-dim);
  margin: 0 3px;
}
.v-node-val-string {
  color: var(--str);
}
.v-node-val-number {
  color: var(--num);
}
.v-node-val-boolean {
  color: var(--bool);
}
.v-node-val-null {
  color: var(--null-col);
  font-style: italic;
}
.v-node-bracket {
  color: var(--text-dim);
}
.v-node-count {
  color: var(--text-dim);
  font-size: 0.63rem;
  margin-left: 5px;
}

/* ===== RIGHT PANEL ===== */
.right-panel {
  width: var(--sidebar-w);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-1);
  overflow: hidden;
}
.panel-section {
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.panel-header {
  padding: 9px 14px;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-2);
}
.panel-header span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.path-display {
  padding: 10px 14px 14px;
}
.path-empty,
.value-empty {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  font-style: italic;
}
.path-variants {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.path-variant {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-family: var(--mono);
  font-size: 0.68rem;
}
.path-variant-label {
  font-size: 0.58rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.path-variant-code {
  color: var(--accent);
  word-break: break-all;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 6px;
}
.path-variant-code .code-text {
  flex: 1;
}
.value-display {
  padding: 10px 14px 14px;
  min-height: 60px;
}
.value-content {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 0.7rem;
  max-height: 130px;
  overflow-y: auto;
  word-break: break-all;
  line-height: 1.6;
}
.schema-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}
.schema-output {
  flex: 1;
  overflow-y: auto;
  padding: 10px 14px 16px;
  font-family: var(--mono);
  font-size: 0.67rem;
  line-height: 1.8;
}
.schema-kw {
  color: var(--bool);
}
.schema-name {
  color: var(--key);
}
.schema-type {
  color: var(--num);
}
.schema-prop {
  color: var(--str);
}
.schema-brace {
  color: var(--text-dim);
}

/* ===== MOBILE DRAWER ===== */
.panel-toggle {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  background: var(--accent);
  color: var(--bg-0);
  border: none;
  border-radius: 50%;
  font-size: 1rem;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px var(--accent-glow);
  z-index: 200;
}
.panel-toggle:hover {
  background: hsl(199, 89%, 60%);
}
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: hsla(222, 47%, 0%, 0.7);
  z-index: 150;
}
.drawer-overlay.open {
  display: block;
}

/* ===== LANDING HERO ===== */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--nav-h));
  position: relative;
  z-index: 1;
}
.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 64px;
  position: relative;
}
.hero-h1 {
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 22px;
  animation: fadeUp 0.6s 0.1s ease both;
}
.hero-h1 span {
  background: linear-gradient(135deg, var(--accent), hsl(199, 89%, 70%));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-dim);
  line-height: 1.65;
  max-width: 440px;
  margin-bottom: 36px;
  font-weight: 400;
  animation: fadeUp 0.6s 0.2s ease both;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  animation: fadeUp 0.6s 0.3s ease both;
}
.hero-stats {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  animation: fadeUp 0.6s 0.4s ease both;
}
.stat-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  font-family: var(--mono);
}
.stat-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-weight: 500;
  margin-top: 2px;
}
.hero-right {
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 1px solid var(--border);
  background: var(--bg-1);
  overflow: hidden;
  position: relative;
  animation: fadeUp 0.6s 0.15s ease both;
}
.hero-right::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none;
}
/* Mini Tree Demo */
.mini-tree {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 420px;
  max-width: 90%;
  overflow: hidden;
  box-shadow: 0 24px 60px hsla(222, 47%, 0%, 0.8);
}
.mini-tree-bar {
  background: var(--bg-3);
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 7px;
}
.tbar-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.tbar-dot-r {
  background: #ff5f57;
}
.tbar-dot-y {
  background: #ffbd2e;
}
.tbar-dot-g {
  background: #28ca41;
}
.mini-tree-title {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  margin: 0 auto;
}
.mini-tree-body {
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 0.76rem;
}
.demo-node {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 6px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
  user-select: none;
}
.demo-node:hover {
  background: var(--bg-3);
}
.demo-node.active {
  background: var(--accent-glow);
}
.demo-arrow {
  color: var(--text-dim);
  font-size: 0.55rem;
  width: 12px;
  display: inline-block;
  transition: transform 0.2s;
}
.demo-arrow.open {
  transform: rotate(90deg);
}
.path-output {
  margin: 10px 0 6px;
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 12px;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.path-output .path-text {
  flex: 1;
  word-break: break-all;
}

/* ===== FEATURES SECTION ===== */
.features {
  padding: 100px 64px;
  border-top: 1px solid var(--border);
}
.section-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.features-h2 {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  max-width: 500px;
  line-height: 1.1;
  margin-bottom: 56px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-1);
  padding: 32px 28px;
  transition: background var(--transition);
}
.feature-card:hover {
  background: var(--bg-2);
}
.feature-icon {
  width: 42px;
  height: 42px;
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
  margin-bottom: 18px;
}
.feature-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 9px;
  letter-spacing: -0.02em;
}
.feature-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.65;
  font-weight: 400;
}
.feature-mono {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--accent);
  background: var(--bg-0);
  padding: 7px 11px;
  border-radius: 5px;
  border: 1px solid var(--border);
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 22px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.site-footer span,
.site-footer a {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--mono);
}
.site-footer a {
  color: var(--accent);
  transition: opacity var(--transition);
}
.site-footer a:hover {
  opacity: 0.8;
}

/* ===== SCHEMA PAGE ===== */
.schema-page {
  padding: 32px;
  flex: 1;
  overflow-y: auto;
  display: none;
}
.schema-page.visible {
  display: block;
}
.schema-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.schema-page-title {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.schema-page-sub {
  font-size: 0.78rem;
  color: var(--text-dim);
  font-family: var(--mono);
  margin-top: 4px;
}
.schema-code-block {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.9;
  overflow-x: auto;
  white-space: pre;
}

/* ===== HAMBURGER (MOBILE NAV) ===== */
.ham-btn {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 10px;
  border-radius: 5px;
  font-size: 0.85rem;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.ham-btn:hover {
  color: var(--text);
  border-color: var(--accent-dim);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  z-index: 99;
  padding: 16px 24px;
  gap: 12px;
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu a,
.mobile-menu button {
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  display: block;
  background: none;
  border-left: none;
  border-right: none;
  border-top: none;
  text-align: left;
  transition: color var(--transition);
}
.mobile-menu a:hover,
.mobile-menu button:hover {
  color: var(--accent);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .right-panel {
    width: 280px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .site-nav {
    padding: 0 24px;
  }
}
@media (max-width: 768px) {
  .site-nav {
    padding: 0 20px;
  }
  .nav-links {
    display: none;
  }
  .nav-cta .btn-ghost,
  .nav-cta .btn-primary {
    display: none;
  }
  .ham-btn {
    display: flex;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-left {
    padding: 48px 24px;
  }
  .hero-right {
    display: none;
  }
  .hero-h1 {
    font-size: 2.4rem;
  }

  .features {
    padding: 60px 24px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .site-footer {
    padding: 18px 24px;
    flex-direction: column;
    align-items: flex-start;
  }

  /* App mobile */
  .app-nav {
    padding: 0 10px;
    gap: 6px;
  }
  .shortcuts {
    display: none;
  }
  .icon-btn span.label {
    display: none;
  }

  .app-layout {
    position: relative;
  }
  #tree-panel {
    border-right: none;
  }
  .right-panel {
    position: fixed;
    right: 0;
    top: var(--app-nav-h);
    bottom: 0;
    width: min(var(--sidebar-w), 92vw);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 160;
    border-left: 1px solid var(--border);
    box-shadow: -8px 0 40px hsla(222, 47%, 0%, 0.6);
    overflow-y: auto;
    display: block;
  }
  .right-panel .value-display,
  .right-panel .schema-output,
  .right-panel .value-content {
    max-height: none !important;
    overflow-y: visible !important;
  }
  .right-panel .schema-panel {
    display: block;
    overflow: visible;
  }
  .right-panel.open {
    transform: translateX(0);
  }
  .panel-toggle {
    display: flex;
  }
  .drawer-overlay {
    display: none;
  }
  .drawer-overlay.open {
    display: block;
  }

  .schema-page {
    padding: 20px 16px;
  }
  .app-tabs {
    gap: 2px;
  }
  .app-tab {
    padding: 5px 8px;
    font-size: 0.65rem;
  }
}
@media (max-width: 480px) {
  .hero-h1 {
    font-size: 2rem;
  }
  .hero-left {
    padding: 36px 20px;
  }
  .btn-launch {
    padding: 12px 22px;
    font-size: 0.9rem;
  }
  .hero-stats {
    gap: 20px;
  }
  .features-h2 {
    font-size: 1.8rem;
  }

  .drop-parse-row button {
    width: fit-content;
  }
  .paste-area {
    max-width: 100%;
  }
}

@media (max-width: 464px) {
  .app-logo span {
    display: none;
  }
  .app-nav {
    padding: 0 8px;
    gap: 4px;
  }
  .app-tabs {
    gap: 1px;
  }
  .app-tab {
    padding: 5px 6px;
    font-size: 0.6rem;
  }
  .icon-btn {
    padding: 6px 8px;
  }

  .paste-area {
    max-width: 75%;
  }
}