/* === tokens.css === */
:root {
  --zml-bg-primary: #060911;
  --zml-bg-surface: #0b101d;
  --zml-bg-elevated: #111827;
  --zml-bg-track: #0d1322;
  --zml-bg-glass: rgba(11, 16, 29, 0.86);
  --zml-text-primary: #f8fafc;
  --zml-text-secondary: #cbd5e1;
  --zml-text-muted: #94a3b8;
  --zml-accent-primary: #3b82f6;
  --zml-accent-hover: #2563eb;
  --zml-accent-soft: rgba(59, 130, 246, 0.14);
  --zml-accent-glow: rgba(59, 130, 246, 0.32);
  --zml-accent-indigo: #6366f1;
  --zml-accent-amber: #f59e0b;
  --zml-accent-rose: #f43f5e;
  --zml-accent-emerald: #10b981;
  --zml-border-subtle: rgba(148, 163, 184, 0.14);
  --zml-border-strong: rgba(59, 130, 246, 0.38);
  --zml-specular: inset 0 1px 0 0 rgba(255, 255, 255, 0.07);
  --zml-radius-sm: 8px;
  --zml-radius-md: 12px;
  --zml-radius-lg: 16px;
  --zml-shadow-card: 0 16px 36px -8px rgba(2, 6, 23, 0.65), 0 4px 12px -2px rgba(2, 6, 23, 0.45);
  --zml-shadow-hover: 0 20px 42px -10px rgba(37, 99, 235, 0.24);
  --zml-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --zml-font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
}

html[data-theme="light"] {
  --zml-bg-primary: #f8fafc;
  --zml-bg-surface: #ffffff;
  --zml-bg-elevated: #f1f5f9;
  --zml-bg-track: #e2e8f0;
  --zml-bg-glass: rgba(255, 255, 255, 0.88);
  --zml-text-primary: #0f172a;
  --zml-text-secondary: #334155;
  --zml-text-muted: #64748b;
  --zml-accent-primary: #2563eb;
  --zml-accent-hover: #1d4ed8;
  --zml-accent-soft: rgba(37, 99, 235, 0.1);
  --zml-accent-glow: rgba(37, 99, 235, 0.24);
  --zml-border-subtle: rgba(15, 23, 42, 0.1);
  --zml-border-strong: rgba(37, 99, 235, 0.32);
  --zml-specular: inset 0 1px 0 0 rgba(255, 255, 255, 0.8);
  --zml-shadow-card: 0 10px 28px -6px rgba(15, 23, 42, 0.07), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --zml-shadow-hover: 0 16px 32px -8px rgba(37, 99, 235, 0.15);
}


/* === reset.css === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--zml-font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--zml-text-primary);
  background-color: var(--zml-bg-primary);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  min-height: 100vh;
  max-width: 100%;
  background-color: var(--zml-bg-primary);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -15%, var(--zml-accent-soft), transparent),
    radial-gradient(ellipse 50% 40% at 85% 10%, rgba(99, 102, 241, 0.06), transparent);
  background-attachment: fixed;
  color: var(--zml-text-primary);
  overflow-x: hidden;
}

a {
  color: var(--zml-accent-primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--zml-accent-hover);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  appearance: none;
  background: none;
  border: none;
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

code, pre {
  font-family: var(--zml-font-mono);
}

.is-hidden {
  display: none !important;
}

@media (max-width: 768px) {
  input, select, textarea { font-size: 16px; }
}


/* === layout.css === */
#zml-root { display: flex; flex-direction: column; min-height: 100vh; }
.zml-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--zml-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--zml-border-subtle);
  box-shadow: var(--zml-specular);
}
.zml-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.68rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.zml-brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.zml-brand-logo { display: block; width: 132px; height: 36px; object-fit: contain; }
.zml-logo-light { display: none; }
html[data-theme="light"] .zml-logo-dark { display: none; }
html[data-theme="light"] .zml-logo-light { display: block; }
.zml-nav-links { display: flex; align-items: center; gap: 0.35rem; }
.zml-nav-suite { position: relative; }
.zml-nav-trigger,
.zml-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  padding: 0.45rem 0.78rem;
  border-radius: var(--zml-radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--zml-text-secondary);
  font-size: 0.86rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.16s ease;
}
.zml-nav-trigger:hover,
.zml-nav-link:hover,
.zml-nav-suite:hover .zml-nav-trigger,
.zml-nav-suite.is-open .zml-nav-trigger { color: var(--zml-text-primary); background: var(--zml-accent-soft); }
.zml-nav-trigger.is-active,
.zml-nav-link.is-active {
  color: var(--zml-accent-primary);
  background: var(--zml-accent-soft);
  border-color: var(--zml-border-strong);
}
.zml-caret { font-size: 0.72rem; opacity: 0.75; transition: transform 0.16s ease; }
.zml-nav-suite:hover .zml-caret,
.zml-nav-suite.is-open .zml-caret { transform: rotate(180deg); }
.zml-nav-count {
  padding: 0.08rem 0.42rem;
  border-radius: 999px;
  font-family: var(--zml-font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  background: var(--zml-bg-elevated);
  color: var(--zml-accent-primary);
  border: 1px solid var(--zml-border-subtle);
}
.zml-dropdown-panel {
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 0;
  width: 340px;
  padding: 0.65rem;
  border-radius: var(--zml-radius-md);
  background: var(--zml-bg-surface);
  border: 1px solid var(--zml-border-strong);
  box-shadow: var(--zml-shadow-card), var(--zml-specular);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s;
  z-index: 120;
}
.zml-nav-suite::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 0.55rem; }
.zml-nav-suite:hover .zml-dropdown-panel,
.zml-nav-suite:focus-within .zml-dropdown-panel,
.zml-nav-suite.is-open .zml-dropdown-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.zml-dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.35rem 0.55rem 0.55rem;
  margin-bottom: 0.35rem;
  border-bottom: 1px solid var(--zml-border-subtle);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--zml-text-muted);
}
.zml-dropdown-list { display: flex; flex-direction: column; gap: 0.25rem; }
.zml-dropdown-item {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  padding: 0.55rem 0.68rem;
  border-radius: var(--zml-radius-sm);
  border: 1px solid transparent;
  transition: all 0.14s ease;
}
.zml-dropdown-item:hover,
.zml-dropdown-item.is-active { background: var(--zml-bg-elevated); border-color: var(--zml-border-strong); }
.zml-dropdown-item-top { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.zml-dropdown-title { font-size: 0.86rem; font-weight: 700; color: var(--zml-text-primary); }
.zml-dropdown-tag {
  font-family: var(--zml-font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: var(--zml-accent-soft);
  color: var(--zml-accent-primary);
  white-space: nowrap;
}
.zml-dropdown-desc { font-size: 0.76rem; color: var(--zml-text-muted); line-height: 1.35; }
.zml-header-actions { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.zml-cmdk-trigger,
.zml-theme-btn,
.zml-mobile-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.42rem 0.75rem;
  border-radius: var(--zml-radius-sm);
  border: 1px solid var(--zml-border-subtle);
  background: var(--zml-bg-elevated);
  color: var(--zml-text-primary);
  font-size: 0.81rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.16s ease;
}
.zml-cmdk-trigger:hover,
.zml-theme-btn:hover,
.zml-mobile-btn:hover { border-color: var(--zml-accent-primary); background: var(--zml-accent-soft); }
.zml-btn-icon { font-size: 0.92rem; line-height: 1; }
.zml-kbd {
  font-family: var(--zml-font-mono);
  font-size: 0.68rem;
  padding: 0.08rem 0.38rem;
  border-radius: 4px;
  background: var(--zml-bg-primary);
  color: var(--zml-text-muted);
  border: 1px solid var(--zml-border-subtle);
}
.zml-mobile-btn { display: none; }
.zml-cmdk-backdrop {
  position: fixed;
  inset: 0;
  z-index: 250;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 5.5rem 1rem 1rem;
}
.zml-cmdk-dialog {
  width: 100%;
  max-width: 580px;
  background: var(--zml-bg-surface);
  border: 1px solid var(--zml-border-strong);
  border-radius: var(--zml-radius-lg);
  box-shadow: var(--zml-shadow-card);
  overflow: hidden;
}
.zml-cmdk-top {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--zml-border-subtle);
  background: var(--zml-bg-elevated);
}
.zml-cmdk-search {
  flex: 1;
  min-width: 0;
  padding: 0.55rem 0.8rem;
  border-radius: var(--zml-radius-sm);
  border: 1px solid var(--zml-border-subtle);
  background: var(--zml-bg-primary);
  color: var(--zml-text-primary);
  font-size: 0.9rem;
  outline: none;
}
.zml-cmdk-search:focus { border-color: var(--zml-accent-primary); }
.zml-cmdk-list { max-height: 360px; overflow-y: auto; padding: 0.6rem; display: flex; flex-direction: column; gap: 0.25rem; }
.zml-cmdk-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--zml-radius-sm);
  border: 1px solid transparent;
}
.zml-cmdk-item:hover { background: var(--zml-bg-elevated); border-color: var(--zml-border-strong); }
.zml-workspace-frame { flex: 1; padding: 1.5rem 0 3.75rem; }
.zml-container { max-width: 1280px; margin: 0 auto; padding: 0 1.25rem; }
@media (max-width: 900px) {
  .zml-mobile-btn { display: inline-flex; }
  .zml-kbd, .zml-nav-suite::after { display: none; }
  .zml-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding: 0.85rem 1rem 1.15rem;
    background: var(--zml-bg-surface);
    border-bottom: 1px solid var(--zml-border-strong);
    box-shadow: var(--zml-shadow-card);
    max-height: 82vh;
    overflow-y: auto;
  }
  .zml-nav-links.is-mobile-open { display: flex; }
  .zml-nav-trigger, .zml-nav-link { width: 100%; justify-content: space-between; min-height: 44px; padding: 0.6rem 0.85rem; }
  .zml-dropdown-panel { display: none; position: static; width: 100%; opacity: 1; visibility: visible; transform: none; box-shadow: none; margin: 0.25rem 0 0.35rem; }
  .zml-nav-suite.is-open .zml-dropdown-panel { display: block; }
}
@media (max-width: 640px) {
  .zml-header-inner { padding: 0.55rem 0.85rem; gap: 0.45rem; }
  .zml-brand-logo { width: 112px; height: 30px; }
  .zml-header-actions { gap: 0.35rem; }
  .zml-cmdk-trigger .zml-btn-text, .zml-theme-btn .zml-btn-text { display: none; }
  .zml-cmdk-trigger, .zml-theme-btn, .zml-mobile-btn { min-height: 38px; min-width: 38px; padding: 0.4rem 0.58rem; justify-content: center; }
  .zml-cmdk-backdrop { padding: 3.5rem 0.65rem 0.65rem; }
  .zml-container { padding: 0 0.9rem; }
  .zml-workspace-frame { padding: 1.05rem 0 2.75rem; }
}
@media (max-width: 360px) { .zml-mobile-btn .zml-btn-text { display: none; } }


/* === components.css === */
.zml-crumb-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--zml-text-muted);
  margin-bottom: 1.15rem;
  flex-wrap: wrap;
}
.zml-crumb-list { display: flex; align-items: center; gap: 0.45rem; list-style: none; flex-wrap: wrap; }
.zml-crumb-sep { color: var(--zml-text-muted); opacity: 0.6; }
.zml-hero-compact { margin-bottom: 1.65rem; }
.zml-badge-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}
.zml-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  font-family: var(--zml-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: var(--zml-accent-soft);
  color: var(--zml-accent-primary);
  border: 1px solid var(--zml-border-strong);
  user-select: none;
  max-width: 100%;
}
.zml-pill-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--zml-accent-emerald);
  box-shadow: 0 0 6px var(--zml-accent-emerald);
}
.zml-page-title {
  font-size: clamp(1.6rem, 3vw, 2.45rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.18;
  margin-bottom: 0.55rem;
  overflow-wrap: break-word;
}
.zml-page-lead {
  color: var(--zml-text-secondary);
  font-size: 1.03rem;
  max-width: 860px;
  line-height: 1.65;
}
.zml-section-block {
  margin-top: 2.85rem;
  padding-top: 2.15rem;
  border-top: 1px solid var(--zml-border-subtle);
}
.zml-section-heading {
  font-size: 1.38rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.15rem;
  color: var(--zml-text-primary);
}
.zml-ref-grid,
.zml-worked-cases,
.zml-related-tools {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 1.15rem;
}
.zml-card {
  background: var(--zml-bg-surface);
  border: 1px solid var(--zml-border-subtle);
  border-radius: var(--zml-radius-md);
  padding: 1.35rem;
  box-shadow: var(--zml-shadow-card), var(--zml-specular);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  min-width: 0;
}
a.zml-card:hover {
  transform: translateY(-2px);
  border-color: var(--zml-accent-primary);
  box-shadow: var(--zml-shadow-hover);
}
.zml-card-title {
  font-size: 1.04rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
  color: var(--zml-text-primary);
}
.zml-seg-group {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  max-width: 100%;
}
.zml-ctrl-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--zml-text-muted);
  white-space: nowrap;
}
[role="tablist"] {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem;
  margin-bottom: 0;
  border-radius: var(--zml-radius-md);
  background: var(--zml-bg-track);
  border: 1px solid var(--zml-border-subtle);
  flex-wrap: wrap;
  max-width: 100%;
}
.zml-mode-tab,
[role="tab"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.85rem;
  border-radius: 7px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--zml-text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.16s ease;
}
.zml-mode-tab:hover,
[role="tab"]:hover { color: var(--zml-text-primary); background: var(--zml-accent-soft); }
.zml-mode-tab[aria-selected="true"],
[role="tab"][aria-selected="true"] {
  background: var(--zml-accent-primary);
  color: #ffffff;
  border-color: var(--zml-accent-primary);
  font-weight: 700;
  box-shadow: 0 2px 10px var(--zml-accent-glow);
}
.zml-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.62rem 1.25rem;
  border-radius: var(--zml-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(135deg, var(--zml-accent-primary), var(--zml-accent-indigo));
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--zml-accent-glow);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}
.zml-btn-primary:hover { transform: translateY(-1px); filter: brightness(1.07); color: #ffffff; }
.zml-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  padding: 0.52rem 0.95rem;
  border-radius: var(--zml-radius-sm);
  border: 1px solid var(--zml-border-subtle);
  background: var(--zml-bg-elevated);
  color: var(--zml-text-primary);
  font-size: 0.84rem;
  font-weight: 600;
  transition: all 0.15s ease;
}
.zml-btn-secondary:hover {
  border-color: var(--zml-accent-primary);
  background: var(--zml-accent-soft);
  color: var(--zml-text-primary);
}
.zml-case-io {
  padding: 0.55rem 0.75rem;
  margin-top: 0.45rem;
  border-radius: var(--zml-radius-sm);
  background: var(--zml-bg-elevated);
  border-left: 3px solid var(--zml-accent-primary);
  font-size: 0.88rem;
  color: var(--zml-text-secondary);
  overflow-wrap: break-word;
}
.zml-faq-list { display: grid; gap: 0.85rem; }
.zml-faq-item {
  background: var(--zml-bg-surface);
  border: 1px solid var(--zml-border-subtle);
  border-radius: var(--zml-radius-md);
  padding: 1.1rem 1.35rem;
}
.zml-faq-q { font-size: 1.02rem; font-weight: 700; margin-bottom: 0.4rem; }
.zml-faq-a { color: var(--zml-text-secondary); font-size: 0.94rem; }
.zml-eeat-footer {
  margin-top: 2.25rem;
  padding: 1.25rem 1.4rem;
  border-radius: var(--zml-radius-md);
  background: var(--zml-bg-surface);
  border: 1px solid var(--zml-border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
@media (max-width: 640px) {
  .zml-hero-compact { margin-bottom: 1.25rem; }
  .zml-pill-badge { font-size: 0.67rem; padding: 0.2rem 0.55rem; }
  .zml-page-lead { font-size: 0.95rem; }
  .zml-section-block { margin-top: 2rem; padding-top: 1.5rem; }
  .zml-section-heading { font-size: 1.2rem; margin-bottom: 0.85rem; }
  .zml-card, .zml-faq-item, .zml-eeat-footer { padding: 1.05rem; }
  .zml-mode-tab, [role="tab"] { min-height: 38px; padding: 0.42rem 0.72rem; }
  .zml-btn-primary, .zml-btn-secondary { min-height: 42px; }
}


/* === footer.css === */
.zml-footer {
  background: var(--zml-bg-surface);
  border-top: 1px solid var(--zml-border-subtle);
  padding: 2.5rem 0 2rem;
  margin-top: auto;
}

.zml-footer-grid {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 2rem;
}

.zml-footer-col-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--zml-text-primary);
  margin-bottom: 0.75rem;
}

.zml-footer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.zml-footer-list a {
  color: var(--zml-text-secondary);
  font-size: 0.9rem;
}

.zml-footer-list a:hover {
  color: var(--zml-accent-primary);
}

.zml-footer-bottom {
  max-width: 1240px;
  margin: 2rem auto 0;
  padding: 1.25rem 1.5rem 0;
  border-top: 1px solid var(--zml-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--zml-text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 768px) {
  .zml-footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 0 0.95rem;
  }
  .zml-footer-bottom {
    padding: 1.15rem 0.95rem 0;
  }
}