/* ==========================================================================
   Eltes AI — documentation (v2)
   Uses the shared dark tokens from theme.css.
   ========================================================================== */

/* ---------------------------------- hero --------------------------------- */

.docs-hero {
  position: relative;
  padding: calc(var(--nav-h) + 56px) 0 40px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.docs-hero::before {
  content: "";
  position: absolute;
  inset: -220px 0 auto;
  height: 680px;
  background:
    radial-gradient(ellipse 40% 58% at 26% 0%, rgba(44, 92, 224, 0.26), transparent 66%),
    radial-gradient(ellipse 26% 40% at 76% 8%, rgba(122, 106, 255, 0.12), transparent 68%);
  pointer-events: none;
}
.docs-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(150, 185, 245, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 56% 70% at 30% 0%, #000 2%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 56% 70% at 30% 0%, #000 2%, transparent 70%);
  pointer-events: none;
}
.docs-hero .wrap { position: relative; }
.docs-hero h1 {
  margin-top: 15px;
  font-size: clamp(33px, 4.4vw, 47px);
  letter-spacing: -0.044em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.docs-hero p {
  margin-top: 13px;
  max-width: 590px;
  font-size: 15px;
  line-height: 1.68;
  color: var(--text-2);
}
.docs-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.docs-search {
  display: flex;
  align-items: center;
  gap: 9px;
  width: min(400px, 100%);
  height: 40px;
  margin-top: 22px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--line-2);
  background: rgba(7, 13, 24, 0.7);
  color: var(--text-3);
  transition: border-color 0.18s, background 0.18s, box-shadow 0.18s;
}
.docs-search:focus-within {
  border-color: rgba(122, 166, 255, 0.44);
  background: rgba(9, 16, 29, 0.9);
  box-shadow: 0 0 0 3px rgba(56, 118, 255, 0.08);
}
.docs-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: none;
  outline: none;
  font-size: 13px;
  color: var(--text);
}
.docs-search input::placeholder { color: var(--text-4); }
.docs-search .kbd { color: var(--text-4); }

/* --------------------------------- layout -------------------------------- */

.docs-grid {
  display: grid;
  grid-template-columns: 212px minmax(0, 1fr) 178px;
  gap: 44px;
  align-items: start;
  padding-top: 40px;
  padding-bottom: 80px;
}

/* ---------------------------------- nav ---------------------------------- */

.docs-nav {
  position: sticky;
  top: calc(var(--nav-h) + 22px);
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding-right: 6px;
}
.docs-nav h5 {
  margin: 16px 0 5px;
  padding-left: 10px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-4);
}
.docs-nav h5:first-child { margin-top: 0; }
.docs-nav a {
  display: flex;
  align-items: center;
  gap: 9px;
  height: 31px;
  padding: 0 10px;
  border-radius: 7px;
  border-left: 1px solid transparent;
  font-size: 12.5px;
  color: var(--text-3);
  transition: color 0.16s, background 0.16s, border-color 0.16s;
}
.docs-nav a .icon { color: var(--text-4); transition: color 0.16s; }
.docs-nav a:hover { color: var(--text-2); background: rgba(255, 255, 255, 0.03); }
.docs-nav a.active {
  color: var(--text);
  background: linear-gradient(90deg, rgba(56, 118, 255, 0.12), transparent);
  border-left-color: var(--blue);
}
.docs-nav a.active .icon { color: var(--blue-hi); }
.docs-nav .nav-sep { height: 1px; margin: 12px 8px; background: var(--line); }
.docs-nav .hidden-by-search { display: none; }

/* ---------------------------------- toc ---------------------------------- */

.toc { position: sticky; top: calc(var(--nav-h) + 22px); }
.toc h5 {
  margin-bottom: 10px;
  padding-left: 11px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-4);
}
.toc a {
  display: block;
  padding: 4px 0 4px 11px;
  border-left: 1px solid var(--line);
  font-size: 11.5px;
  line-height: 1.45;
  color: var(--text-4);
  transition: color 0.16s, border-color 0.16s;
}
.toc a:hover { color: var(--text-2); }
.toc a.active { color: var(--blue-hi); border-left-color: var(--blue); }

/* --------------------------------- article ------------------------------- */

.doc { min-width: 0; max-width: 760px; }
.doc section.hidden-by-search { display: none; }

.docs-none {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 18px;
  border-radius: 12px;
  border: 1px dashed rgba(130, 170, 235, 0.2);
  background: rgba(255, 255, 255, 0.015);
  font-size: 12.5px;
  color: var(--text-3);
}
.docs-none strong { color: var(--text-2); font-size: 13px; }
.doc section { scroll-margin-top: calc(var(--nav-h) + 22px); }
.doc section + section { margin-top: 54px; padding-top: 40px; border-top: 1px solid var(--line); }

.doc h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  font-size: 25px;
  letter-spacing: -0.03em;
  color: var(--text);
}
.doc h2 .anchor {
  display: inline-flex;
  color: var(--text-4);
  opacity: 0;
  transition: opacity 0.16s, color 0.16s;
}
.doc h2:hover .anchor { opacity: 1; }
.doc h2 .anchor:hover { color: var(--blue-hi); }

.doc h3 {
  margin: 28px 0 10px;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.014em;
  color: var(--text);
}
.doc h4 { font-size: 13.5px; font-weight: 550; margin-bottom: 4px; }
.doc p { margin-bottom: 13px; font-size: 13.5px; line-height: 1.75; color: var(--text-2); }
.doc > section > p:first-of-type { font-size: 14.5px; line-height: 1.72; color: var(--text-2); }
.doc strong { color: var(--text); font-weight: 550; }
.doc em { color: #c4d3ec; }
.doc a.inline-link {
  color: #9cc0ff;
  text-decoration: underline;
  text-decoration-color: rgba(156, 192, 255, 0.32);
  text-underline-offset: 2px;
}
.doc a.inline-link:hover { color: #c3d9ff; text-decoration-color: rgba(195, 217, 255, 0.6); }

.doc ul, .doc ol { margin: 0 0 14px; padding-left: 4px; }
.doc ul { list-style: none; }
.doc ol { list-style: decimal; padding-left: 22px; }
.doc li {
  position: relative;
  margin-bottom: 7px;
  padding-left: 17px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-2);
}
.doc ol li { padding-left: 4px; }
.doc ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 1.5px;
  background: #37527d;
}
.doc li::marker { color: var(--text-4); font-size: 12px; }
.doc li > ul, .doc li > ol { margin-top: 6px; margin-bottom: 0; }
.doc li strong { color: var(--text); }
.doc code {
  padding: 1.5px 5px;
  border-radius: 5px;
  border: 1px solid rgba(130, 170, 235, 0.11);
  background: rgba(120, 160, 240, 0.07);
  font-family: var(--mono);
  font-size: 11.5px;
  color: #b6cdf2;
}

/* --------------------------------- code ---------------------------------- */

.doc-code {
  margin: 16px 0 20px;
  border-radius: 12px;
  border: 1px solid rgba(130, 170, 235, 0.14);
  background: #05090f;
  overflow: hidden;
  box-shadow: 0 20px 46px -30px rgba(0, 0, 0, 0.9);
}
.doc-code .bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 10px 0 13px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.022);
}
.doc-code .bar .label {
  display: flex;
  align-items: center;
  gap: 7px;
  flex: 1;
  min-width: 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.02em;
  color: var(--text-4);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.doc-code .bar .label .dot { width: 6px; height: 6px; border-radius: 50%; background: #2a3c5c; flex: none; }
.doc-code .bar .cpy {
  height: 22px;
  padding: 0 8px;
  border-radius: 5px;
  font-size: 10px;
  color: var(--text-3);
  border: 1px solid transparent;
  transition: background 0.16s, color 0.16s;
}
.doc-code .bar .cpy:hover { background: rgba(255, 255, 255, 0.06); color: var(--text); }
.doc-code .bar .cpy.copied { color: var(--green); }
.doc-code pre {
  margin: 0;
  padding: 15px 16px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.8;
  color: #b8c8e2;
  tab-size: 2;
}
.doc-code pre code { padding: 0; border: 0; background: none; color: inherit; font-size: inherit; white-space: pre; }
.doc-code .k { color: #8f9dff; }
.doc-code .s { color: #74d6ae; }
.doc-code .c { color: #4d617f; font-style: italic; }
.doc-code .f { color: #7fb6ff; }

/* -------------------------------- callouts -------------------------------- */

.callout {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  margin: 18px 0;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(130, 170, 235, 0.16);
  background: rgba(38, 66, 120, 0.13);
  font-size: 12.5px;
  line-height: 1.68;
  color: var(--text-2);
}
.callout .icon { margin-top: 2px; color: #8db8ff; }
.callout strong { color: var(--text); }
.callout.tip { border-color: rgba(55, 214, 160, 0.2); background: rgba(55, 214, 160, 0.05); }
.callout.tip .icon { color: var(--green); }
.callout.warn { border-color: rgba(255, 194, 102, 0.22); background: rgba(255, 194, 102, 0.055); }
.callout.warn .icon { color: var(--amber); }
.callout a { color: #a9c8ff; text-decoration: underline; text-underline-offset: 2px; }

/* --------------------------------- steps --------------------------------- */

.steps-list { display: flex; flex-direction: column; margin: 18px 0 20px; }
.step-item {
  position: relative;
  display: flex;
  gap: 14px;
  padding: 0 0 20px 38px;
  counter-increment: step;
}
.step-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 28px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(180deg, rgba(122, 166, 255, 0.26), rgba(122, 166, 255, 0.06));
}
.step-item::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  border: 1px solid rgba(130, 170, 255, 0.2);
  background: linear-gradient(165deg, rgba(58, 106, 214, 0.22), rgba(255, 255, 255, 0.012));
  font-family: var(--mono);
  font-size: 11px;
  color: #a9c6f7;
}
.steps-list { counter-reset: step; }
.step-item h4 { font-size: 13.5px; font-weight: 550; color: var(--text); }
.step-item p { margin: 3px 0 0; font-size: 13px; }
.step-item .doc-code { margin-top: 11px; }

/* --------------------------------- tables -------------------------------- */

.table-scroll { margin: 16px 0 20px; overflow-x: auto; border-radius: 10px; border: 1px solid var(--line); }
.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  background: rgba(6, 11, 20, 0.5);
}
.doc-table th, .doc-table td {
  padding: 9px 13px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
.doc-table th {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-4);
  background: rgba(255, 255, 255, 0.018);
  white-space: nowrap;
}
.doc-table td { color: var(--text-2); line-height: 1.6; }
.doc-table td code { white-space: nowrap; }
.doc-table tr:last-child td { border-bottom: 0; }
.doc-table tbody tr:hover td { background: rgba(255, 255, 255, 0.012); }

/* ------------------------------ key-value list --------------------------- */

.keys-table { margin: 16px 0 20px; border-top: 1px solid var(--line); }
.keys-table .krow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--text-2);
}
.keys-table .krow:last-child { border-bottom: 0; }
.keys-table .krow .keys { display: flex; align-items: center; gap: 4px; flex: none; color: var(--text-4); }

/* ---------------------------------- faq ---------------------------------- */

.faq { margin-top: 18px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.16s;
}
.faq summary:hover { color: #cbdcf6; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .chev { color: var(--text-4); transition: transform 0.2s var(--ease); flex: none; }
.faq details[open] summary .chev { transform: rotate(180deg); color: var(--blue-hi); }
.faq details p {
  margin: 0 0 15px;
  padding-right: 34px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--text-2);
}
.faq details p code { font-size: 11.5px; }
.faq details[open] summary { color: #cbdcf6; }

/* ---------------------------------- cta ---------------------------------- */

.doc-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 34px;
  padding: 24px;
  border-radius: 16px;
  border: 1px solid rgba(122, 166, 255, 0.2);
  background:
    radial-gradient(80% 140% at 12% 0%, rgba(56, 118, 255, 0.16), transparent 64%),
    linear-gradient(180deg, rgba(12, 21, 37, 0.9), rgba(5, 9, 17, 0.94));
}
.doc-cta .txt h3 { font-size: 18px; letter-spacing: -0.02em; }
.doc-cta .txt p { margin: 5px 0 0; font-size: 12.5px; color: var(--text-3); }
.doc-cta .btn { flex: none; }

/* ------------------------------- responsive ------------------------------ */

@media (max-width: 1180px) {
  .docs-grid { grid-template-columns: 194px minmax(0, 1fr); gap: 36px; }
  .toc { display: none; }
}

@media (max-width: 880px) {
  .docs-grid { display: block; padding-top: 28px; }
  .docs-nav {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    padding: 12px;
    margin-bottom: 30px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(8, 14, 25, 0.6);
  }
  .docs-nav h5 { grid-column: 1 / -1; margin: 10px 0 3px; }
  .docs-nav h5:first-child { margin-top: 0; }
  .docs-nav .nav-sep { display: none; }
  .doc { max-width: none; }
  .docs-hero { padding-top: calc(var(--nav-h) + 38px); padding-bottom: 30px; }
  .docs-hero h1 { font-size: 32px; }
}

@media (max-width: 640px) {
  .docs-nav { grid-template-columns: 1fr; }
  .doc h2 { font-size: 22px; }
  .doc p, .doc li { font-size: 13px; }
  .doc section + section { margin-top: 40px; padding-top: 30px; }
  .doc-code pre { font-size: 10.5px; }
  .doc-cta { flex-direction: column; align-items: flex-start; padding: 18px; }
  .doc-cta .btn { width: 100%; }
  .step-item { padding-left: 34px; }
  .docs-search { height: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .faq summary .chev { transition: none; }
}

/* keyboard keys in Studio docs */
.doc kbd {
  display: inline-block;
  min-width: 17px;
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, 0.04);
  font: 10.5px/1.5 var(--mono);
  color: var(--text-2);
  text-align: center;
}

/* ------------------------------ workflow section -------------------------- */

.workflow-steps {
  margin: 22px 0 26px;
  padding: 0;
  list-style: none;
  counter-reset: none;
  position: relative;
}
.workflow-steps::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 14px;
  bottom: 22px;
  width: 1px;
  background: linear-gradient(180deg, rgba(91, 149, 255, 0.4), rgba(91, 149, 255, 0.06));
}
.workflow-steps > li {
  position: relative;
  padding: 0 0 22px 46px;
}
.workflow-steps > li:last-child { padding-bottom: 0; }
.ws-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.ws-num {
  position: absolute;
  left: 0;
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  border-radius: 9px;
  border: 1px solid rgba(116, 164, 255, 0.32);
  background: #0a1424;
  color: #cbe0ff;
  font: 600 12px/1 var(--mono);
  box-shadow: 0 0 0 4px #05080f;
}
.ws-head h3 {
  margin: 0;
  font-size: 15.5px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.workflow-steps p { margin: 0 0 10px; }
.workflow-steps p:last-child { margin-bottom: 0; }
.workflow-steps ul { margin: 8px 0 0; }
.workflow-steps .doc-code { margin: 10px 0 10px; }
.workflow-steps .doc-code pre { font-size: 11px; }
.ws-meta {
  padding-left: 11px;
  border-left: 2px solid rgba(140, 172, 235, 0.22);
  color: var(--text-3);
  font-size: 12px;
  line-height: 1.6;
}
.ws-meta code, .workflow-steps p code {
  padding: 1px 4px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  font: 10.5px var(--mono);
  color: #c3d6f5;
}
.workflow-steps kbd {
  display: inline-block;
  min-width: 17px;
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, 0.04);
  font: 10.5px/1.5 var(--mono);
  color: var(--text-2);
  text-align: center;
}

@media (max-width: 720px) {
  .workflow-steps > li { padding-left: 38px; }
  .workflow-steps::before { left: 13px; }
  .ws-num { width: 27px; height: 27px; border-radius: 8px; font-size: 11px; }
}