/* TSSAI/WebUsersGuide/TSAIAgent/styles.css */
:root{
  /* ChatGPT koyu tema benzeri palet */
  --bg:#131314;
  --panel:#1a1b1e;
  --text:#ECECF1;
  --muted:#A1A1AA;
  --link:#AB68FF;
  --brand:#AB68FF;
  --border:#2A2B31;
  --shadow:0 6px 18px rgba(0,0,0,.35);
  --sidebar-w:280px;
  --topbar-h:58px;
  --radius:16px;
}
@media (prefers-color-scheme: light){
  :root{
    --bg:#ffffff;
    --panel:#ffffff;
    --text:#111827;
    --muted:#5a6b85;
    --link:#5B21B6;
    --brand:#5B21B6;
    --border:#e6e8ef;
    --shadow:0 6px 16px rgba(15,23,42,.08);
  }
}
*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font:16px/1.55 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;
  color:var(--text);
  background: var(--bg);
  min-height:100vh;
  padding-top:var(--topbar-h);
  scrollbar-gutter: stable both-edges;
}
body.sidebar-open{ overflow:hidden; }

.content a{ color:var(--link); text-decoration:none; }
.content a:visited{ color:var(--link); }
.content a:hover{ text-decoration:underline; }

.topbar{
  position:fixed;
  top:0;
  left:0;
  right:0;
  width:100%;
  z-index:30;
  display:flex;
  align-items:center;
  gap:12px;
  height:var(--topbar-h);
  padding:10px 18px;
  background:rgba(18,20,26,.82);
  backdrop-filter: blur(8px);
  border-bottom:1px solid var(--border);
  box-shadow: 0 6px 20px rgba(0,0,0,.35);
  justify-content: space-between;
}
.brand{ font-weight:700; letter-spacing:.2px; display:flex; align-items:baseline; gap:6px; }
.brand a{ color:var(--text); text-decoration:none; }
.brand small{ color:var(--muted); font-weight:500; }
.toggle-btn{
  display:none;
  border:1px solid var(--border);
  background:var(--panel);
  color:var(--text);
  border-radius:10px;
  padding:7px 12px;
  cursor:pointer;
  font-weight:600;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.toggle-btn:focus-visible,
.toggle-btn:hover{
  border-color:var(--brand);
  color:var(--brand);
}

.wrap{
  display:flex;
  flex-wrap:nowrap;
  align-items:flex-start;
  gap:18px;
  width:100%;
  padding:18px;
  max-width:1400px;
  margin:0 auto;
  min-height: calc(100vh - var(--topbar-h));
}

.wrap > .side{
  flex:0 0 clamp(220px, var(--sidebar-w), 100%);
  max-width:100%;
}

.wrap > .content{
  flex:1 1 0;
  min-width:0;
}

.side{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:12px 10px 14px;
  position:sticky;
  top:calc(var(--topbar-h) + 16px);
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  gap:8px;
  max-height:calc(100vh - var(--topbar-h) - 32px);
  min-height:calc(100vh - var(--topbar-h) - 32px);
  overflow:hidden;
}
.sidebar-placeholder{
  visibility:hidden;
}
.muted{ color:var(--muted); font-size:12px; margin:0 10px; text-transform:uppercase; letter-spacing:.08em; }
.nav{
  overflow-y:auto;
  padding:0 6px 12px;
  flex:1;
}
.nav ul{ list-style:none; padding-left:0; margin:0; }
.nav li{ margin:4px 0; }
.nav > ul > li{ padding-left:2px; }
.nav a{
  display:block;
  padding:6px 10px;
  text-decoration:none;
  color:var(--text);
  border-radius:8px;
  border:1px solid transparent;
  transition: background .12s ease, border-color .12s ease;
}
.nav a:hover{ background:rgba(77,163,255,.08); border-color:var(--border); }
.nav a[aria-current="page"]{
  background:rgba(77,163,255,.12);
  border-color:var(--border);
}

.nav li.has-children{ padding-right:4px; }
.nav-parent{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-parent > a{ flex:1; }
.nav-toggle{
  background:transparent;
  border:1px solid transparent;
  border-radius:8px;
  width:28px;
  height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--muted);
  cursor:pointer;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.nav-toggle:hover,
.nav-toggle:focus-visible{
  color:var(--text);
  border-color:var(--border);
  background:rgba(255,255,255,.04);
}
.nav-toggle .chevron{
  border:solid currentColor;
  border-width:0 2px 2px 0;
  display:inline-block;
  padding:4px;
  transform:rotate(45deg);
  transition: transform .2s ease;
}
.nav li.expanded > .nav-parent .chevron{ transform:rotate(225deg); }
.nav li.has-children > ul{
  padding-left:16px;
  margin-top:6px;
  display:none;
}
.nav li.expanded > ul{ display:block; }
.nav li ul li > a{ font-size:14px; }

.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  border:0;
}

.content{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
  max-width:100%;
  overflow-wrap:anywhere;
  min-height: calc(100vh - var(--topbar-h) - 28px);
}
.content h1{ margin-top:0; font-size:28px; }
.content h2{ margin-top:28px; border-top:1px dashed var(--border); padding-top:18px; }
.content :is(h1,h2,h3)[id]{ scroll-margin-top: calc(var(--topbar-h) + 12px); }
.content pre,.content code{
  background:#0c1220;
  color:#dfe8ff;
  padding:.2em .4em;
  border-radius:6px;
  font-family:ui-monospace,Menlo,Consolas,monospace;
}
.content pre{
  padding:14px;
  overflow:auto;
  white-space:pre-wrap;
  overflow-wrap:anywhere;
}
.note{
  border-left:4px solid var(--brand);
  background:rgba(77,163,255,.08);
  padding:12px 14px;
  border-radius:8px;
  margin:12px 0;
}
figure{ margin:18px 0; }
figure img{
  width:100%;
  max-width:900px;
  border-radius:12px;
  box-shadow:0 12px 32px rgba(0,0,0,.35);
  display:block;
  padding: 15px;
}
figure figcaption{ color:var(--muted); font-size:13px; margin-top:8px; }

.site-footer{
  margin:24px auto 40px;
  color:var(--muted);
  font-size:12px;
  text-align:center;
  max-width:1400px;
  padding:0 24px;
}

.pager{
  display:flex;
  flex-wrap:wrap;
  gap:24px;
  margin-top:32px;
}
.pager-card{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:6px;
  border:1px solid var(--border);
  border-radius:10px;
  padding:16px 18px;
  text-decoration:none;
  color:var(--text);
  background: var(--panel);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
  transition: border-color .15s ease, box-shadow .15s ease, transform .05s ease-in-out, background .15s ease;
  width: 100%;
  flex: 1;
}
.pager-card:hover{
  border-color: var(--brand);
  box-shadow: 0 0 0 1px rgba(171,104,255,.35) inset;
  background: rgba(171,104,255,.06);
}
.pager-card:active{ transform: translateY(1px); }
.pager-card small{ color:var(--muted); font-weight:700; }
.pager-card span{ font-weight:700; }
.pager .previous,
.pager .next{
  display:flex;
}
.pager-card.disabled{
  opacity:.5;
  pointer-events:none;
  border-style:dashed;
  background:var(--panel);
}

.sidebar-backdrop{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.55);
  opacity:0;
  pointer-events:none;
  transition: opacity .2s ease;
  z-index:25;
}
body.sidebar-open .sidebar-backdrop{ opacity:1; pointer-events:auto; }

@media (max-width: 1180px){
  .wrap{
    flex-direction:column;
  }
  .wrap > .side{
    flex:1 1 auto;
    max-width:100%;
  }
  .wrap > .content{
    flex-basis:100%;
  }
}
@media (max-width: 980px){
  .wrap{ padding:16px; }
  .toggle-btn{ display:inline-flex; align-items:center; gap:6px; }
  .side{
    position:fixed;
    left:12px;
    right:12px;
    top:calc(var(--topbar-h) + 12px);
    width:auto;
    min-height:auto;
    max-height:calc(100vh - var(--topbar-h) - 36px);
    transform: translateX(-110%);
    opacity:0;
    pointer-events:none;
    transition: transform .25s ease, opacity .2s ease;
    z-index:30;
  }
  body.sidebar-open .side{
    transform:translateX(0);
    opacity:1;
    pointer-events:auto;
  }
  .sidebar-placeholder{ display:none; }
}
@media (max-width:700px){
  .topbar{ padding:8px 14px; }
  .wrap{ padding:14px 12px; }
  .content{ padding:20px; }
  .pager{
    gap:12px;
  }
  .pager-card{
    padding:12px 14px;
    font-size:15px;
  }
  .pager-card span{
    font-size:16px;
  }
  .pager-card small{
    font-size:11px;
  }
}

@media (max-width:480px){
  .pager{
    align-items:flex-start;
    gap:10px;
  }
  .pager-card{
    width:auto;
    align-self:flex-start;
    padding:10px 14px;
    border-radius:8px;
    font-size:14px;
  }
  .pager-card span{
    font-size:15px;
  }
  .pager-card small{
    font-size:10px;
    letter-spacing:.02em;
  }
}
.media.two-up{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:flex-start;
}

.media.two-up > *{
  flex:1 1 220px;
}

.page-loader{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.55);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  pointer-events:none;
  transition: opacity .2s ease;
  z-index:100;
}

.page-loader.visible{
  opacity:1;
  pointer-events:auto;
}

.page-loader .loader-spinner{
  width:48px;
  height:48px;
  border-radius:50%;
  border:4px solid rgba(255,255,255,.25);
  border-top-color: var(--brand);
  animation: loader-spin 1s linear infinite;
}

@keyframes loader-spin{
  from{ transform: rotate(0); }
  to{ transform: rotate(360deg); }
}