/* ============================================================
   APPICE DEVELOPER PORTAL — docs.css
   Brand alignment with appice.ai (variables, fonts, blue/dark/white)
   plus docs-specific layout (sidebar, code blocks, tabs, callouts).
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --dark:  #050D1F;
  --blue:  #0050FF;
  --blue-soft: #EEF4FF;
  --white: #FFFFFF;
  --black: #0A0A0A;
  --muted: rgba(5,13,31,.55);
  --border: rgba(5,13,31,.10);
  --code-bg: #0B1A2F;
  --nav-h: 64px;
  --max-w: 1200px;
  --px: clamp(16px, 4vw, 40px);
  --content-max: 760px;
  --sidebar-w: 240px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--dark);
  background: var(--white);
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ── NAV ────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h); display: flex; align-items: center;
}
.nav__inner {
  width: 100%; max-width: var(--max-w);
  margin: 0 auto; padding: 0 var(--px);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.nav__logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; color: var(--dark);
  flex-shrink: 0;
}
.nav__logo img { height: 28px; width: auto; }
.nav__logo-tag {
  font-size: 11px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--blue);
  background: var(--blue-soft); padding: 3px 8px; border-radius: 4px;
}
.nav__links { display: flex; gap: 28px; flex: 1; justify-content: center; }
.nav__links a { color: var(--dark); font-weight: 600; font-size: 15px; }
.nav__links a:hover { color: var(--blue); text-decoration: none; }
.nav__right { display: flex; align-items: center; gap: 14px; }
.nav__back {
  font-size: 13px; color: var(--muted); font-weight: 600;
}
.nav__search-btn {
  background: var(--blue-soft); border: 1px solid transparent;
  border-radius: 8px; padding: 7px 9px; cursor: pointer;
  display: inline-flex; align-items: center; color: var(--dark);
  transition: background .2s, border-color .2s;
}
.nav__search-btn:hover { background: #fff; border-color: var(--border); }
.hamburger { display: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--dark); margin: 4px 0; transition: transform .25s, opacity .25s; }
.hamburger.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ── MOBILE MENU ────────────────────────────────────────── */
.mobile-menu {
  display: none; flex-direction: column;
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: var(--white); border-bottom: 1px solid var(--border);
  padding: 12px var(--px); z-index: 99;
  box-shadow: 0 12px 32px rgba(5,13,31,.08);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 10px 0; color: var(--dark); font-weight: 600;
  border-bottom: 1px solid rgba(5,13,31,.06);
}
.mobile-menu a:last-child { border-bottom: 0; }

/* ── SEARCH OVERLAY ─────────────────────────────────────── */
.search-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(5,13,31,.5); backdrop-filter: blur(8px);
  display: none; align-items: flex-start; justify-content: center;
  padding-top: 12vh;
}
.search-overlay.open { display: flex; }
.search-box {
  width: min(640px, 92vw); background: var(--white);
  border-radius: 14px; box-shadow: 0 30px 80px rgba(5,13,31,.35);
  overflow: hidden;
}
.search-input-row {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
}
.search-icon-inner { color: var(--muted); display: inline-flex; }
.search-input {
  flex: 1; border: 0; outline: none; font: inherit; font-size: 16px;
  background: transparent; color: var(--dark);
}
.search-kbd {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  padding: 3px 6px; border: 1px solid var(--border); border-radius: 4px;
  color: var(--muted);
}
.search-close-btn {
  background: transparent; border: 0; cursor: pointer; color: var(--muted);
  padding: 4px;
}
.search-results { max-height: 50vh; overflow-y: auto; }
.search-result-item {
  display: flex; flex-direction: column; gap: 2px;
  padding: 12px 16px; border-bottom: 1px solid rgba(5,13,31,.05);
  color: var(--dark);
}
.search-result-item:hover { background: var(--blue-soft); text-decoration: none; }

/* ── HERO (landing) ─────────────────────────────────────── */
.hero {
  background: linear-gradient(180deg, #F7F9FF 0%, #fff 100%);
  border-bottom: 1px solid var(--border);
  padding: clamp(48px, 8vh, 96px) var(--px);
}
.hero__inner {
  max-width: var(--max-w); margin: 0 auto;
}
.hero__h1 {
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800;
  font-size: clamp(36px, 5vw, 56px); line-height: 1.1; letter-spacing: -.02em;
  margin: 8px 0 16px; color: var(--dark);
}
.hero__sub {
  font-size: clamp(16px, 1.5vw, 18px); color: var(--muted);
  max-width: 640px; line-height: 1.55;
}
.hero__ctas { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.eyebrow {
  display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: .14em;
  text-transform: uppercase; color: var(--blue);
}
.eyebrow--light { color: rgba(255,255,255,.7); }

/* ── HERO (dark variant — landing page) ─────────────────── */
.hero--dark {
  background:
    radial-gradient(1200px 480px at 80% -10%, rgba(0,80,255,.20), transparent 60%),
    radial-gradient(800px 420px at 0% 110%, rgba(76,177,201,.15), transparent 60%),
    var(--dark);
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding: clamp(64px, 12vh, 128px) var(--px) clamp(56px, 10vh, 96px);
}
.hero__inner--center { text-align: center; max-width: 980px; margin: 0 auto; }
.hero__h1--big {
  color: var(--white);
  font-size: clamp(36px, 5.5vw, 64px); line-height: 1.05;
  letter-spacing: -.025em; margin-top: 12px;
}
.hero__sub--light {
  color: rgba(255,255,255,.72); max-width: 720px; margin: 16px auto 0;
}
.hero__pills {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
  margin-top: 32px;
}
.hero__pill {
  display: inline-block; padding: 8px 16px; border-radius: 999px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  font-size: 13px; font-weight: 600; color: rgba(255,255,255,.85);
  transition: background .2s, border-color .2s;
}
.hero__pill:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.32); text-decoration: none; }

/* ── SDK CARD GRID (10 cards on the landing page) ───────── */
.section-eyebrow {
  font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 24px;
}
.sdk-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(5, 1fr);
}
@media (max-width: 1100px) { .sdk-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px)  { .sdk-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .sdk-grid { grid-template-columns: 1fr; } }
.sdk-card {
  display: flex; flex-direction: column; gap: 6px;
  padding: 22px 20px; border: 1px solid var(--border); border-radius: 14px;
  background: #fff; color: var(--dark);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.sdk-card:hover {
  border-color: var(--blue); transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(5,13,31,.08);
  text-decoration: none;
}
.sdk-card__icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--blue-soft); display: inline-flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 8px;
}
.sdk-card__tag { font-size: 11px; font-weight: 600; color: var(--muted); }
.sdk-card__name { font-size: 18px; font-weight: 800; color: var(--dark); }
.sdk-card__desc { font-size: 13px; color: var(--muted); line-height: 1.5; flex: 1; }
.sdk-card__cta { font-size: 13px; color: var(--blue); font-weight: 700; margin-top: 6px; }

/* ── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: inherit; font-weight: 700; font-size: 14px;
  padding: 11px 22px; border-radius: 8px;
  border: 1px solid transparent; cursor: pointer; transition: all .2s;
}
.btn--blue { background: var(--blue); color: var(--white); }
.btn--blue:hover { background: #0040d6; text-decoration: none; }
.btn--outline {
  background: transparent; color: var(--dark);
  border: 1px solid var(--border);
}
.btn--outline:hover { border-color: var(--blue); color: var(--blue); text-decoration: none; }

/* ── GRID SECTIONS ──────────────────────────────────────── */
.grid-section {
  padding: clamp(40px, 6vh, 72px) var(--px);
}
.grid-section--alt { background: #FAFBFD; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.grid-section .inner {
  max-width: var(--max-w); margin: 0 auto;
}
.grid-section .inner--narrow { max-width: 880px; }
.section-title {
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800;
  font-size: clamp(24px, 3vw, 32px); letter-spacing: -.02em;
  margin: 0 0 8px; color: var(--dark);
}
.section-sub {
  font-size: 16px; color: var(--muted); max-width: 640px; margin-bottom: 28px;
}
.card-grid {
  display: grid; gap: 16px;
}
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 880px) {
  .card-grid--3, .card-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .card-grid--2, .card-grid--3, .card-grid--4 { grid-template-columns: 1fr; }
}
.card {
  display: flex; flex-direction: column; gap: 8px;
  padding: 22px; border: 1px solid var(--border); border-radius: 12px;
  background: #fff; color: var(--dark);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.card:hover {
  border-color: var(--blue); transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(5,13,31,.06);
  text-decoration: none;
}
.card__icon { font-size: 28px; }
.card__title { font-size: 18px; font-weight: 800; color: var(--dark); }
.card__desc { font-size: 14px; color: var(--muted); line-height: 1.5; }
.card__cta { font-size: 13px; color: var(--blue); font-weight: 700; margin-top: auto; }

/* ── DOCS LAYOUT (sidebar + body) ───────────────────────── */
.docs-page {
  display: grid; grid-template-columns: var(--sidebar-w) 1fr;
  max-width: var(--max-w); margin: 0 auto;
  gap: 48px; padding: 32px var(--px) 80px;
  align-items: start;
}
.docs-page--full { display: block; }
.docs-sidebar {
  position: sticky; top: calc(var(--nav-h) + 24px);
  font-size: 14px; line-height: 1.5;
  max-height: calc(100vh - var(--nav-h) - 48px); overflow-y: auto;
}
.docs-sidebar__group { margin-bottom: 24px; }
.docs-sidebar__head {
  font-size: 11px; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted);
  margin-bottom: 8px; padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.docs-sidebar a {
  display: block; padding: 4px 0;
  color: var(--dark); font-weight: 500;
}
.docs-sidebar a:hover { color: var(--blue); text-decoration: none; }
.docs-sidebar a.is-active { color: var(--blue); font-weight: 700; }
.docs-body {
  max-width: var(--content-max);
}
.docs-body--wide { max-width: 100%; }
.docs-eyebrow {
  display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 12px;
}
.docs-body h1 {
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800;
  font-size: clamp(32px, 4vw, 44px); line-height: 1.1; letter-spacing: -.02em;
  margin: 0 0 12px; color: var(--dark);
}
.docs-body h2 {
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800;
  font-size: 24px; letter-spacing: -.01em;
  margin: 40px 0 14px; padding-top: 20px;
  border-top: 1px solid var(--border);
}
.docs-body h2:first-of-type { border-top: 0; padding-top: 0; }
.docs-body h3 {
  font-size: 17px; font-weight: 700; margin: 24px 0 10px;
}
.docs-body p { margin: 0 0 14px; }
.docs-body ul, .docs-body ol { margin: 0 0 16px 22px; }
.docs-body li { margin-bottom: 6px; }
.docs-body code {
  font-family: 'JetBrains Mono', monospace; font-size: .9em;
  background: var(--blue-soft); color: var(--blue);
  padding: 1px 5px; border-radius: 4px;
}
.docs-body a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
.docs-lede {
  font-size: 17px; line-height: 1.6; color: var(--muted);
  margin: 0 0 28px; max-width: 640px;
}
.version-row {
  display: flex; align-items: center; gap: 12px;
  margin: 16px 0 8px;
}
.version-badge {
  font-size: 11px; font-weight: 800; letter-spacing: .08em;
  text-transform: uppercase; color: var(--white); background: var(--blue);
  padding: 4px 9px; border-radius: 4px;
}

/* ── TODO BLOCK (engineering placeholder) ───────────────── */
.todo {
  background: #FFF8E6; border: 1px solid #FFD980;
  border-left: 4px solid #F4A300;
  border-radius: 8px; padding: 14px 16px;
  margin: 12px 0 18px;
}
.todo__label {
  font-size: 11px; font-weight: 800; letter-spacing: .08em;
  text-transform: uppercase; color: #8A5800;
  margin-bottom: 4px;
}
.todo__text {
  font-size: 14px; color: #4D3300; line-height: 1.5;
}
.todo__text code { background: #FFF1C7; color: #6E4A00; }

/* ── CHANGELOG ENTRIES ──────────────────────────────────── */
.changelog-entry {
  margin: 32px 0; padding: 24px; border: 1px solid var(--border);
  border-radius: 12px; background: #fff;
}
.changelog-entry h2 {
  border-top: 0; padding-top: 0; margin-top: 0;
  display: flex; align-items: baseline; gap: 12px;
}
.changelog-date {
  font-size: 13px; font-weight: 500; color: var(--muted);
  letter-spacing: 0; text-transform: none;
}
.changelog-entry h3 {
  font-size: 12px; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; color: var(--blue);
  margin-top: 18px;
}
.changelog-footer {
  font-size: 13px; color: var(--muted); margin-top: 24px;
}

/* ── DOCS TABLE ─────────────────────────────────────────── */
.docs-table {
  width: 100%; border-collapse: collapse; margin: 12px 0 24px;
  font-size: 14px;
}
.docs-table th, .docs-table td {
  padding: 10px 12px; text-align: left;
  border-bottom: 1px solid var(--border); vertical-align: top;
}
.docs-table th {
  background: #FAFBFD; font-weight: 700; font-size: 13px;
  text-transform: uppercase; letter-spacing: .04em; color: var(--muted);
}
.docs-table code { font-size: 13px; }

/* ── CODE BLOCKS (Prism overrides) ──────────────────────── */
.docs-body pre {
  background: var(--code-bg); color: #E0E8F5;
  padding: 16px 18px; border-radius: 10px;
  overflow-x: auto; font-size: 13.5px; line-height: 1.55;
  margin: 0 0 18px;
  font-family: 'JetBrains Mono', monospace;
}
.docs-body pre code {
  background: transparent; color: inherit; padding: 0;
}
.code-block { position: relative; }
.code-copy {
  position: absolute; top: 8px; right: 8px;
  background: rgba(255,255,255,.10); color: #E0E8F5;
  border: 1px solid rgba(255,255,255,.20); border-radius: 6px;
  padding: 4px 10px; font-size: 11px; font-weight: 600;
  cursor: pointer; transition: background .2s;
}
.code-copy:hover { background: rgba(255,255,255,.20); }
.code-copy.copied { background: var(--blue); border-color: var(--blue); color: #fff; }

/* ── TAB SWITCHER (Swift/Obj-C, Kotlin/Java, JS/TS) ─────── */
.tabs { margin: 0 0 18px; }
.tabs__buttons {
  display: flex; gap: 4px; border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}
.tabs__btn {
  background: transparent; border: 0; cursor: pointer;
  font: inherit; font-size: 13px; font-weight: 600;
  padding: 8px 14px; color: var(--muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs__btn.is-active {
  color: var(--blue); border-bottom-color: var(--blue);
}
.tabs__panel { display: none; }
.tabs__panel.is-active { display: block; }

/* ── CALLOUT BOXES ──────────────────────────────────────── */
.callout {
  display: flex; gap: 14px; padding: 14px 16px;
  border-radius: 8px; margin: 12px 0 18px;
  font-size: 14px; line-height: 1.5;
}
.callout--info { background: var(--blue-soft); border-left: 4px solid var(--blue); }
.callout--warn { background: #FFF8E6; border-left: 4px solid #F4A300; }
.callout--danger { background: #FFE8E8; border-left: 4px solid #D62D2D; }

/* ── FOOTER ─────────────────────────────────────────────── */
.footer {
  background: var(--dark); color: var(--white);
  padding: 56px var(--px) 24px;
}
.footer__grid {
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer__col h4 {
  font-size: 12px; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; margin-bottom: 14px;
  color: rgba(255,255,255,.6);
}
.footer__col a {
  display: block; padding: 4px 0; font-size: 14px;
  color: rgba(255,255,255,.85);
}
.footer__col a:hover { color: #fff; text-decoration: none; }
.footer__brand .footer__logo { height: 28px; width: auto; margin-bottom: 16px; filter: brightness(0) invert(1); opacity: .85; }
.footer__tagline { font-size: 14px; color: rgba(255,255,255,.7); margin-bottom: 6px; }
.footer__sub { font-size: 12px; color: rgba(255,255,255,.45); }
.footer__legal {
  max-width: var(--max-w); margin: 32px auto 0;
  padding-top: 18px; border-top: 1px solid rgba(255,255,255,.10);
  display: flex; gap: 22px; font-size: 12px; color: rgba(255,255,255,.5);
}
.footer__legal a { color: rgba(255,255,255,.7); }
.footer__legal a:hover { color: #fff; text-decoration: none; }
@media (max-width: 880px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 960px) {
  .nav__links { display: none; }
  .hamburger { display: block; }
  .docs-page {
    grid-template-columns: 1fr; gap: 24px; padding-top: 16px;
  }
  .docs-sidebar {
    position: static; max-height: none;
    border-bottom: 1px solid var(--border); padding-bottom: 12px;
  }
}
@media (max-width: 600px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__legal { flex-direction: column; gap: 6px; }
}