/* ==========================================================================
   Dentaura Documentation — calm, refined offline guide
   ========================================================================== */

:root {
  --dn-bg: #f6f3ee;
  --dn-bg-2: #efeae2;
  --dn-surface: #fffcf8;
  --dn-surface-muted: #f4efe7;
  --dn-sidebar-bg: rgba(255, 252, 248, 0.88);
  --dn-border: rgba(26, 26, 26, 0.08);
  --dn-border-strong: rgba(26, 26, 26, 0.12);
  --dn-text: #1c1b19;
  --dn-muted: #5f5a52;
  --dn-muted-2: #8a847a;
  --dn-accent: #b59a6d;
  --dn-accent-hover: #9a8158;
  --dn-accent-soft: rgba(181, 154, 109, 0.12);
  --dn-accent-text: #7a6648;
  --dn-contrast: #171614;
  --dn-success: #3d7a5c;
  --dn-warning: #a67c1a;
  --dn-error: #a33b3b;

  --dn-font-body: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --dn-font-head: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --dn-font-logo: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --dn-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --dn-radius: 14px;
  --dn-radius-lg: 22px;
  --dn-radius-sm: 10px;
  --dn-btn-radius: 999px;

  --dn-shadow-sm: none;
  --dn-shadow-md: none;
  --dn-shadow-lg: none;
  --dn-glow: none;

  --dn-transition: 200ms ease;
  --dn-sidebar: 248px;
  --dn-content: 680px;
  --dn-section-gap: clamp(2.5rem, 5vw, 3.5rem);
  --dn-progress-h: 2px;
  --dn-ease-out: ease;
  --dn-scroll-w: 3px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--dn-font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--dn-text);
  background: var(--dn-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-drawer-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, #f8f5f0 0%, var(--dn-bg) 40%, var(--dn-bg-2) 100%);
}

/* Minimal scroll thumbs (sidebar + page) */
* {
  scrollbar-width: thin;
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}

*::-webkit-scrollbar {
  width: var(--dn-scroll-w);
  height: var(--dn-scroll-w);
}

*::-webkit-scrollbar-track {
  background: transparent;
}

*::-webkit-scrollbar-thumb {
  background: rgba(26, 26, 26, 0.2);
  border-radius: 999px;
}

*::-webkit-scrollbar-thumb:hover {
  background: rgba(26, 26, 26, 0.35);
}

*::-webkit-scrollbar-corner {
  background: transparent;
}

::selection {
  background: rgba(181, 154, 109, 0.35);
  color: var(--dn-text);
}

a {
  color: var(--dn-accent-text);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color var(--dn-transition);
}

a:hover,
a:focus-visible {
  color: var(--dn-accent-hover);
}

:focus-visible {
  outline: 2px solid var(--dn-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

img {
  max-width: 100%;
  height: auto;
}

hr {
  margin: 2.5rem 0;
  border: 0;
  border-top: 1px solid var(--dn-border);
}

code,
kbd {
  font-family: var(--dn-mono);
  font-size: 0.84em;
  background: var(--dn-surface-muted);
  border: 1px solid var(--dn-border);
  border-radius: 6px;
  padding: 0.14em 0.42em;
  color: var(--dn-accent-text);
}

pre {
  overflow: auto;
  background: var(--dn-contrast);
  color: #f3efe8;
  border-radius: var(--dn-radius);
  padding: 1.1rem 1.2rem;
  font-size: 0.86rem;
  line-height: 1.55;
}

pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  background: var(--dn-contrast);
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: 8px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--dn-progress-h);
  z-index: 90;
  background: transparent;
}

.reading-progress__bar {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--dn-accent), #c9b089);
  transition: width 90ms linear;
}

.menu-toggle {
  display: none;
  position: fixed;
  top: 0.9rem;
  left: 0.9rem;
  z-index: 80;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--dn-border-strong);
  background: var(--dn-surface);
  color: var(--dn-text);
  border-radius: 999px;
  padding: 0.6rem 1rem;
  font: inherit;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  box-shadow: var(--dn-shadow-md);
  cursor: pointer;
}

.menu-toggle__icon {
  display: inline-flex;
  width: 15px;
  height: 11px;
  position: relative;
}

.menu-toggle__icon span,
.menu-toggle__icon span::before,
.menu-toggle__icon span::after {
  content: "";
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  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--dn-text);
  border-radius: 2px;
}

.menu-toggle__icon span {
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}

.menu-toggle__icon span::before {
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}

.menu-toggle__icon span::after {
  top: 4.5px;
}

.drawer-backdrop {
  display: none;
}

.layout {
  display: grid;
  grid-template-columns: var(--dn-sidebar) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  border-right: 1px solid var(--dn-border);
  background: var(--dn-surface);
  padding: 1.25rem 0.75rem 2rem;
  scrollbar-gutter: stable;
}

.sidebar::-webkit-scrollbar {
  width: var(--dn-scroll-w);
}

.sidebar__top {
  position: sticky;
  top: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(255, 252, 248, 0.98) 72%, rgba(255, 252, 248, 0));
  padding-bottom: 0.85rem;
  margin-bottom: 0.35rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
  margin: 0 0 1.15rem;
  padding: 0.15rem 0.25rem;
}

.brand:hover {
  color: inherit;
}

.brand__mark {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  overflow: hidden;
  background: transparent;
  box-shadow: none;
  line-height: 0;
}

.brand__mark img {
  display: block;
  width: 40px;
  height: 40px;
  object-fit: contain;
  object-position: center;
}

.brand__text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.2rem;
  padding-top: 0.05rem;
}

.brand__lockup {
  display: block;
  font-family: var(--dn-font-logo);
  font-size: 1.15rem;
  line-height: 1.15;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dn-accent);
  font-weight: 500;
}

.brand__label {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dn-muted-2);
  line-height: 1.2;
}

.brand__version {
  display: inline-flex;
  align-items: center;
  padding: 0.16rem 0.5rem;
  border-radius: 999px;
  background: var(--dn-accent-soft);
  color: var(--dn-accent-text);
  letter-spacing: 0.06em;
  font-weight: 650;
  font-size: 0.66rem;
}

.search-wrap {
  position: relative;
  margin: 0 0.2rem;
}

.search {
  width: 100%;
  border: 1px solid var(--dn-border);
  background: var(--dn-bg);
  border-radius: 8px;
  padding: 0.55rem 2rem 0.55rem 0.8rem;
  font: inherit;
  font-size: 0.875rem;
  color: var(--dn-text);
  transition: border-color var(--dn-transition);
}

.search:focus {
  outline: none;
  border-color: rgba(181, 154, 109, 0.55);
}

.search::placeholder {
  color: var(--dn-muted-2);
}

.search-clear {
  position: absolute;
  right: 0.4rem;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: var(--dn-muted);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.3rem 0.5rem;
  display: none;
  border-radius: 999px;
}

.search-wrap.is-active .search-clear {
  display: inline-block;
}

.search-count {
  min-height: 1.1rem;
  margin: 0.4rem 0.65rem 0;
  font-size: 0.75rem;
  color: var(--dn-muted-2);
}

.nav {
  padding: 0.15rem 0.15rem 1rem;
}

.nav .group {
  margin: 1.35rem 0.65rem 0.45rem;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dn-muted-2);
  font-weight: 650;
}

.nav .group:first-child {
  margin-top: 0.55rem;
}

.nav a {
  display: block;
  padding: 0.38rem 0.65rem;
  margin: 0.02rem 0;
  border-radius: 6px;
  color: var(--dn-muted);
  font-size: 0.875rem;
  line-height: 1.35;
  text-decoration: none;
  transition: background var(--dn-transition), color var(--dn-transition);
}

.nav a:hover {
  background: transparent;
  color: var(--dn-text);
}

.nav a.is-active {
  background: var(--dn-accent-soft);
  color: var(--dn-text);
  font-weight: 600;
}

.nav a.is-hidden {
  display: none;
}

.main {
  padding: clamp(2rem, 5vw, 3.75rem) clamp(1.35rem, 5vw, 4rem) 5rem;
}

.content {
  max-width: var(--dn-content);
  margin: 0 auto;
}

.doc-hero {
  margin-bottom: 1.25rem;
}

.doc-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dn-accent-text);
  font-weight: 650;
}

.doc-hero__eyebrow::before {
  content: "";
  width: 1.4rem;
  height: 1px;
  background: var(--dn-accent);
}

.doc-hero h1 {
  margin: 0 0 0.85rem;
  font-family: var(--dn-font-head);
  font-weight: 500;
  font-size: clamp(1.85rem, 3.6vw, 2.55rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.doc-hero h1 em {
  font-style: italic;
  color: var(--dn-accent);
  font-weight: 500;
}

.doc-hero__lead {
  margin: 0 0 1.5rem;
  color: var(--dn-muted);
  font-size: 1.08rem;
  line-height: 1.7;
  max-width: 38rem;
}

.doc-hero__shot {
  margin: 1.25rem 0 0.5rem;
  border: 1px solid var(--dn-border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--dn-surface);
}

.doc-hero__shot img {
  display: block;
  width: 100%;
  height: auto;
}

.doc-hero__caption {
  margin: 0.7rem 0 0;
  font-size: 0.82rem;
  color: var(--dn-muted-2);
  letter-spacing: 0.02em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border-radius: 8px;
  padding: 0.6rem 1rem;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--dn-transition), border-color var(--dn-transition), color var(--dn-transition);
}

.btn:hover {
  text-decoration: none;
}

.btn--primary {
  background: var(--dn-accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--dn-accent-hover);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  border-color: var(--dn-border-strong);
  color: var(--dn-text);
}

.btn--ghost:hover {
  border-color: var(--dn-accent);
  color: var(--dn-accent-text);
  background: rgba(255, 252, 248, 0.7);
}

.toc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
}

.toc-links a {
  text-decoration: none;
  color: var(--dn-accent-text);
}

.toc-links a:hover {
  text-decoration: underline;
}

.meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  padding: 0.9rem 0 0;
  border-top: 1px solid var(--dn-border);
  color: var(--dn-muted);
  font-size: 0.84rem;
}

.meta-bar strong {
  color: var(--dn-text);
  font-weight: 650;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: var(--dn-section-gap) 0 0.85rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--dn-border);
}

.section-kicker__num {
  display: none;
}

.section-kicker__label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dn-muted-2);
  font-weight: 650;
}

.inventory-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 1.25rem;
  margin: 1rem 0 1.25rem;
  padding: 0;
  list-style: none;
}

.inventory-grid li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--dn-border);
  font-size: 0.92rem;
  color: var(--dn-muted);
}

.inventory-grid strong {
  color: var(--dn-text);
  font-variant-numeric: tabular-nums;
}

.content section {
  scroll-margin-top: 1.75rem;
  padding-bottom: 0.35rem;
}

.content h2 {
  margin: 0 0 0.7rem;
  font-family: var(--dn-font-head);
  font-size: clamp(1.55rem, 2.4vw, 1.95rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.content h3 {
  margin: 1.85rem 0 0.55rem;
  font-size: 1.08rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.content p {
  margin: 0 0 1rem;
}

.content p,
.content li {
  color: var(--dn-text);
}

.content .muted,
.content .lede {
  color: var(--dn-muted);
  font-size: 1.02rem;
  margin-bottom: 1.15rem;
}

.content ul:not(.steps):not(.checklist) {
  margin: 0.75rem 0 1.15rem;
  padding-left: 1.2rem;
}

.content ul:not(.steps):not(.checklist) li {
  margin: 0.35rem 0;
  padding-left: 0.15rem;
}

.steps,
.checklist {
  margin: 1.1rem 0 1.35rem;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 0.7rem;
}

.steps > li,
.checklist > li {
  position: relative;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--dn-border);
  border-radius: 0;
  padding: 0.85rem 0 0.85rem 2.5rem;
  margin: 0;
  line-height: 1.6;
}

.steps > li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.9rem;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 999px;
  background: var(--dn-accent-soft);
  color: var(--dn-accent-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
}

.checklist > li::before {
  content: "";
  position: absolute;
  left: 0.35rem;
  top: 1.2rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 999px;
  background: var(--dn-accent);
}

.steps > li strong,
.checklist > li strong {
  display: block;
  margin-bottom: 0.2rem;
  font-weight: 650;
}

.note,
.callout {
  background: var(--dn-surface-muted);
  border: 0;
  border-left: 2px solid var(--dn-accent);
  border-radius: 0;
  padding: 0.85rem 1rem;
  margin: 1.1rem 0;
  color: var(--dn-muted);
  line-height: 1.6;
}

.note strong,
.callout strong {
  color: var(--dn-text);
}

.callout--warn {
  border-left-color: var(--dn-warning);
}

.callout--ok {
  border-left-color: var(--dn-success);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 1rem 0 1.25rem;
}

.panel {
  background: transparent;
  border: 0;
  border-top: 1px solid var(--dn-border);
  border-radius: 0;
  padding: 0.85rem 0 0.35rem;
}

.panel h3 {
  margin-top: 0;
  margin-bottom: 0.65rem;
  font-family: var(--dn-font-head);
  font-weight: 550;
}

.panel ul {
  margin: 0;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--dn-surface);
  border: 1px solid var(--dn-border);
  border-radius: var(--dn-radius);
  overflow: hidden;
  margin: 1.15rem 0 1.35rem;
  font-size: 0.94rem;
  box-shadow: var(--dn-shadow-sm);
}

th,
td {
  border-bottom: 1px solid var(--dn-border);
  padding: 0.85rem 1rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--dn-surface-muted);
  font-weight: 650;
  color: var(--dn-text);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
}

tr:last-child td {
  border-bottom: 0;
}

tr:hover td {
  background: rgba(181, 154, 109, 0.04);
}

.pill {
  display: inline-block;
  margin: 0.15rem 0.2rem 0.15rem 0;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: var(--dn-accent-soft);
  color: var(--dn-accent-text);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.footer-note {
  margin-top: 3.5rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--dn-border);
  color: var(--dn-muted-2);
  font-size: 0.88rem;
  line-height: 1.6;
}

@keyframes dn-fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(88vw, 320px);
    transform: translateX(-105%);
    transition: transform var(--dn-transition);
    z-index: 70;
    background: #fffcf8;
    box-shadow: var(--dn-shadow-lg);
  }

  body.is-drawer-open .sidebar {
    transform: translateX(0);
  }

  body.is-drawer-open .drawer-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(28, 27, 25, 0.32);
    backdrop-filter: blur(2px);
    z-index: 60;
  }

  .main {
    padding-top: 4.25rem;
  }

  .doc-hero h1 {
    max-width: none;
  }

  .inventory-grid,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}