/* OpenTAG sunum sitesi. Renkler ve tipografi portal/app/globals.css ile aynı. */
:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --raised: #181818;
  --line: #262626;
  --muted: #8f8f8f;
  --fg: #ededed;
  --strong: #ffffff;
  --ok: #4ade80;
  --warn: #fbbf24;
  --err: #f87171;
  --dim: #6b6b6b;
  --on-strong: #000000;
  --code-bg: #1a1a1a;
  --pre-bg: #0d0d0d;
  --thead: #0e0e0e;
  --diagram-bg: #0c0c0c;
  --note: #141414;
  --s1: #3a3a3a;
  --s2: #303030;
  --ink: #bdbdbd;
  --ret: #7a7a7a;
  --grid: #ffffff08;
  --ok-line: #1f3d2a;
  --warn-line: #3d331a;
  --plan-line: #6b5a26;
  --plan-ink: #8a7330;
  --done-bg: #0f1410;
  --approve-bg: #13110b;
  --shared: #93c5fd;
  --shared-line: #1e3a5f;
  --dot: #2a2a2a;
  --shadow: #000000;
  --logo: url(logo-dark.svg);
  color-scheme: dark;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --side: 268px;
  color-scheme: dark;
}

/* Açık tema (data-theme="light", app.js) */
:root[data-theme="light"] {
  --bg: #ffffff;
  --surface: #fafafa;
  --raised: #f1f1f1;
  --line: #e4e4e4;
  --muted: #5f5f5f;
  --fg: #262626;
  --strong: #0a0a0a;
  --ok: #15803d;
  --warn: #a16207;
  --err: #dc2626;
  --dim: #8a8a8a;
  --on-strong: #ffffff;
  --code-bg: #f3f3f3;
  --pre-bg: #f7f7f7;
  --thead: #f5f5f5;
  --diagram-bg: #fcfcfc;
  --note: #f4f4f4;
  --s1: #cfcfcf;
  --s2: #d6d6d6;
  --ink: #4a4a4a;
  --ret: #8a8a8a;
  --grid: #00000009;
  --ok-line: #bbe5c8;
  --warn-line: #ecd9a6;
  --plan-line: #d4a94a;
  --plan-ink: #a16207;
  --done-bg: #f3faf5;
  --approve-bg: #fffbeb;
  --shared: #1d4ed8;
  --shared-line: #bfd3fb;
  --dot: #d4d4d4;
  --shadow: #00000033;
  --logo: url(logo-light.svg);
  color-scheme: light;
}
img.logo { content: var(--logo); }

* { box-sizing: border-box; }
html {
  background: var(--bg);
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}
html.large { font-size: 19px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--strong); color: var(--on-strong); }
:focus-visible { outline: 2px solid var(--strong); outline-offset: 2px; }
a { color: var(--strong); text-underline-offset: 2px; }
code, kbd, .mono { font-family: var(--mono); font-size: 0.86em; }
code { background: var(--code-bg); border: 1px solid var(--line); border-radius: 4px; padding: 0.05em 0.35em; overflow-wrap: anywhere; }
kbd { border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 0.35em; background: var(--raised); }
pre { background: var(--pre-bg); border: 1px solid var(--line); border-radius: var(--r-md); padding: 0.9rem 1rem; overflow-x: auto; font-size: 0.82rem; line-height: 1.55; }
pre code { background: none; border: 0; padding: 0; font-size: inherit; }
strong { color: var(--strong); font-weight: 600; }

/* Kenar çubuğu */
.side {
  position: fixed; inset: 0 auto 0 0; width: var(--side);
  border-right: 1px solid var(--line); background: var(--bg);
  display: flex; flex-direction: column; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 20px 20px 16px; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--strong); }
.brand img { width: 22px; height: 22px; }
.brand b { font-size: 15px; letter-spacing: 0.01em; }
.brand span { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-left: auto; }
.toc { flex: 1; overflow-y: auto; padding: 12px 10px; }
.toc ol { list-style: none; margin: 0; padding: 0; counter-reset: s; }
.toc li { counter-increment: s; }
.toc a {
  display: flex; gap: 10px; align-items: baseline; padding: 6px 10px; border-radius: var(--r-sm);
  color: var(--muted); text-decoration: none; font-size: 14px; line-height: 1.35;
}
.toc a::before { content: counter(s, decimal-leading-zero); font-family: var(--mono); font-size: 11px; color: var(--dim); min-width: 18px; }
.toc a:hover { color: var(--fg); background: var(--raised); }
.toc a.active { color: var(--strong); background: var(--raised); }
.toc a.active::before { color: var(--fg); }
.side-foot { border-top: 1px solid var(--line); padding: 12px 16px; display: flex; gap: 8px; align-items: center; font-size: 12px; color: var(--muted); }
.side-foot .hint { margin-left: auto; }
.btn {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  border: 1px solid var(--line); background: var(--surface); color: var(--fg);
  border-radius: var(--r-sm); padding: 5px 10px; font: 600 12px var(--sans); white-space: nowrap;
}
.btn:hover { border-color: var(--muted); background: var(--raised); }
.btn[aria-pressed="true"] { background: var(--strong); color: var(--on-strong); border-color: var(--strong); }

.topbar { display: none; }

/* İçerik */
main { margin-left: var(--side); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 48px; }
section { border-bottom: 1px solid var(--line); padding: 72px 0; }
section:last-of-type { border-bottom: 0; }
.eyebrow { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.18em; color: var(--muted); margin: 0 0 12px; }
h1, h2, h3, h4 { color: var(--strong); line-height: 1.25; margin: 0; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: 3rem; letter-spacing: -0.025em; }
h2 { font-size: 2rem; letter-spacing: -0.02em; margin-bottom: 16px; }
h3 { font-size: 1.15rem; margin: 40px 0 12px; }
h4 { font-size: 1rem; margin: 24px 0 8px; }
p { margin: 0 0 14px; }
.lead { font-size: 1.2rem; color: var(--fg); max-width: 760px; }
.sub { color: var(--muted); max-width: 760px; }
ul.plain { margin: 0 0 14px; padding-left: 1.2em; }
ul.plain li + li { margin-top: 4px; }
.muted { color: var(--muted); }

.hero { padding-top: 96px; position: relative; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(to right, var(--grid) 1px, transparent 1px), linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 85%);
}
.hero > .wrap { position: relative; }
.hero h1 { max-width: 820px; }
.hero .lead { margin-top: 20px; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--r-lg); margin-top: 40px; background: var(--surface); }
.facts > div { padding: 16px 18px; border-left: 1px solid var(--line); }
.facts > div:first-child { border-left: 0; }
.facts dt { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted); }
.facts dd { margin: 6px 0 0; color: var(--strong); font-weight: 600; font-size: 0.95rem; line-height: 1.4; }
.links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.links a { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--surface); padding: 7px 12px; border-radius: var(--r-sm); text-decoration: none; font-size: 0.85rem; color: var(--fg); }
.links a:hover { border-color: var(--muted); }
.links a span { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); }

/* Durum etiketleri */
.st { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; font: 500 11px/1.6 var(--sans); color: var(--muted); white-space: nowrap; vertical-align: 1px; }
.st::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.st-ok { color: var(--ok); border-color: var(--ok-line); }
.st-plan { color: var(--warn); border-color: var(--warn-line); }
.st-out { color: var(--muted); }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 0.85rem; color: var(--muted); margin: 8px 0 20px; }

/* Tablolar */
.table { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); margin: 16px 0 8px; }
table { border-collapse: collapse; width: 100%; font-size: 0.88rem; }
th, td { text-align: left; vertical-align: top; padding: 10px 14px; border-top: 1px solid var(--line); }
thead th { border-top: 0; font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); font-weight: 500; background: var(--thead); }
tbody th { color: var(--strong); font-weight: 600; white-space: nowrap; }
td code, th code { font-size: 0.82em; }
.table td:first-child code { white-space: nowrap; }

/* Bileşen blokları: kart değil, satır */
.rows { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); margin: 16px 0; }
.row { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; padding: 20px 22px; border-top: 1px solid var(--line); }
.row:first-child { border-top: 0; }
.row h4 { margin: 0 0 4px; font-size: 1rem; }
.row .tag { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.row p:last-child, .row ul:last-child { margin-bottom: 0; }
.row ul { margin: 0; padding-left: 1.1em; }
.row li + li { margin-top: 3px; }

.cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; }
.cols > *, .row > * { min-width: 0; }
.callout { border: 1px solid var(--line); border-left: 2px solid var(--strong); background: var(--surface); border-radius: var(--r-md); padding: 14px 18px; margin: 18px 0; }
.callout p:last-child { margin: 0; }

/* Diyagramlar */
figure { margin: 20px 0 8px; }
figcaption { font-size: 0.85rem; color: var(--muted); margin-top: 10px; }
.diagram { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--diagram-bg); overflow-x: auto; padding: 8px; }
.diagram svg { display: block; margin: 0 auto; height: auto; max-width: 100%; }
.diagram svg.seq { min-width: 640px; }
.diagram svg.arch { min-width: 760px; width: 100%; }

.sq-actor { fill: var(--raised); stroke: var(--s1); }
.sq-actort { fill: var(--strong); font: 600 13px var(--sans); }
.sq-life { stroke: var(--s2); stroke-dasharray: 3 4; }
.sq-line { stroke: var(--ink); stroke-width: 1.2; }
.sq-ret { stroke: var(--ret); stroke-dasharray: 5 4; }
.sq-head { fill: var(--ink); }
.sq-lbl { fill: var(--fg); font: 11.5px var(--mono); }
.sq-note { fill: var(--note); stroke: var(--s2); }
.sq-notet { fill: var(--muted); font: 11.5px var(--sans); }
.sq-sec { fill: var(--note); stroke: none; }
.sq-sect { fill: var(--warn); font: 600 11px var(--mono); letter-spacing: 0.04em; }

.a-zone { fill: none; stroke: var(--s2); stroke-dasharray: 6 5; }
.a-zonet { fill: var(--muted); font: 500 11px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.a-box { fill: var(--raised); stroke: var(--s1); }
.a-in { fill: var(--note); stroke: var(--s2); }
.a-plan { fill: var(--note); stroke: var(--plan-line); stroke-dasharray: 5 4; }
.a-t { fill: var(--strong); font: 600 13px var(--sans); }
.a-s { fill: var(--muted); font: 11px var(--mono); }
.a-p { fill: var(--warn); font: 11px var(--mono); }
.a-line { stroke: var(--ink); stroke-width: 1.3; fill: none; }
.a-dash { stroke: var(--plan-ink); stroke-width: 1.3; stroke-dasharray: 6 5; fill: none; }
.a-head { fill: var(--ink); }
.a-headp { fill: var(--plan-ink); }
.a-l { fill: var(--fg); font: 11px var(--mono); }

/* Yol haritası */
.phases { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); margin: 16px 0 8px; }
.phase { padding: 18px; border-left: 1px solid var(--line); }
.phase:first-child { border-left: 0; }
.phase .n { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; }
.phase h4 { margin: 6px 0 8px; }
.phase p { font-size: 0.88rem; color: var(--muted); margin: 8px 0 0; }
.phase.done { background: var(--done-bg); }
details.phase-detail { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); margin-top: 12px; }
details.phase-detail > summary { cursor: pointer; padding: 14px 18px; font-weight: 600; color: var(--strong); list-style: none; display: flex; gap: 10px; align-items: center; }
details.phase-detail > summary::-webkit-details-marker { display: none; }
details.phase-detail > summary::before { content: "+"; font-family: var(--mono); color: var(--muted); width: 12px; }
details.phase-detail[open] > summary::before { content: "−"; }
details.phase-detail > .body { padding: 0 18px 16px; }
details.phase-detail .table { margin-top: 8px; }
ol.scenario { margin: 6px 0 12px; padding-left: 1.3em; }
ol.scenario li + li { margin-top: 3px; }

/* SSS */
.faq { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); }
.faq details { border-top: 1px solid var(--line); }
.faq details:first-child { border-top: 0; }
.faq summary { cursor: pointer; padding: 14px 18px; font-weight: 600; color: var(--strong); list-style: none; display: flex; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "+"; font-family: var(--mono); color: var(--muted); width: 12px; flex: none; }
.faq details[open] summary::before { content: "−"; }
.faq .a { padding: 0 18px 16px 42px; color: var(--fg); }
.faq .a p:last-child { margin-bottom: 0; }
.faq-tools { display: flex; gap: 8px; margin: 12px 0; }

/* Katalog: console sayfasının tasarım mock'u (HTML/CSS, görsel dosya değil) */
.mock { margin: 24px 0 8px; }
.km-label { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-family: var(--mono); font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.km-window { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--bg); overflow: hidden; box-shadow: 0 24px 60px -30px var(--shadow); }
.km-bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; border-bottom: 1px solid var(--line); background: var(--surface); }
.km-bar > span { width: 9px; height: 9px; border-radius: 50%; background: var(--dot); }
.km-bar code { margin-left: 10px; background: var(--bg); color: var(--muted); font-size: 11px; padding: 2px 10px; }
.km-app { display: grid; grid-template-columns: 168px minmax(0, 1fr); min-height: 420px; }
.km-nav { border-right: 1px solid var(--line); padding: 14px 10px; display: flex; flex-direction: column; gap: 2px; font-size: 13px; color: var(--muted); }
.km-nav b { display: flex; align-items: center; gap: 8px; color: var(--strong); font-size: 14px; padding: 0 8px 12px; }
.km-nav b img { width: 16px; height: 16px; }
.km-nav span { padding: 5px 8px; border-radius: var(--r-sm); }
.km-nav span.on { background: var(--raised); color: var(--strong); }
.km-main { padding: 18px 20px 22px; min-width: 0; }
.km-head { display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; }
.km-head h4 { margin: 0 0 2px; font-size: 1.1rem; }
.km-head p { margin: 0; font-size: 0.82rem; color: var(--muted); }
.km-search { border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface); color: var(--dim); font-size: 0.8rem; padding: 6px 12px; min-width: 220px; }
.km-filters { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 4px; }
.km-filters span { border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; font-size: 0.75rem; color: var(--muted); }
.km-filters span.on { background: var(--strong); color: var(--on-strong); border-color: var(--strong); font-weight: 600; }
.km-cat { font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; color: var(--muted); margin: 0; padding: 14px 0 8px; }
.km-groups { columns: 3 230px; column-gap: 12px; }
.km-group { break-inside: avoid; padding-bottom: 4px; }
.km-group .km-card + .km-card { margin-top: 10px; }
.km-card { border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; }
.km-card p { margin: 0; font-size: 0.8rem; color: var(--muted); line-height: 1.45; flex: 1; }
.km-top { display: flex; gap: 8px; align-items: flex-start; justify-content: space-between; }
.km-top b { color: var(--strong); font-size: 0.88rem; line-height: 1.35; }
.km-src { font-family: var(--mono); font-size: 10px; border: 1px solid var(--line); border-radius: 4px; padding: 0 6px; color: var(--muted); white-space: nowrap; }
.km-src.shared { color: var(--shared); border-color: var(--shared-line); }
.km-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 0.72rem; }
.km-meta code { font-size: 0.9em; }
.km-aud { border: 1px solid var(--ok-line); color: var(--ok); border-radius: 999px; padding: 0 8px; }
.km-aud.adv { border-color: var(--warn-line); color: var(--warn); }
.km-skill { font-family: var(--mono); color: var(--dim); margin-left: auto; }
.km-go { align-self: flex-start; border: 1px solid var(--strong); background: var(--strong); color: var(--on-strong); border-radius: var(--r-sm); padding: 4px 10px; font-size: 0.75rem; font-weight: 600; }
.km-chat { padding: 18px 20px; display: flex; flex-direction: column; gap: 10px; max-width: 760px; margin: 0 auto; font-size: 0.86rem; }
.km-msg { border: 1px solid var(--line); border-radius: var(--r-md); padding: 10px 14px; background: var(--surface); max-width: 88%; }
.km-msg p { margin: 0; }
.km-msg.me { align-self: flex-end; background: var(--raised); }
.km-msg small { display: block; font-family: var(--mono); font-size: 10px; color: var(--muted); margin-top: 4px; }
.km-opts { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.km-opts span { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 3px 10px; font-size: 0.78rem; color: var(--muted); }
.km-opts span.on { border-color: var(--strong); color: var(--strong); }
.km-tool { font-size: 0.75rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding-left: 4px; }
.km-approve { border: 1px solid var(--plan-line); border-radius: var(--r-md); background: var(--approve-bg); padding: 12px 14px; }
.km-approve dl { margin: 8px 0 10px; display: grid; gap: 3px; font-size: 0.8rem; }
.km-approve dl div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 10px; }
.km-approve dt { color: var(--muted); }
.km-approve dd { margin: 0; }
.km-btns { display: flex; gap: 8px; }
.km-btns span { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 4px 14px; font-size: 0.78rem; font-weight: 600; }
.km-btns span.ok { background: var(--strong); color: var(--on-strong); border-color: var(--strong); }
ol.km-flow li + li { margin-top: 8px; }
ol.km-flow .st { margin-left: 4px; }

footer { border-top: 1px solid var(--line); padding: 28px 0 48px; color: var(--muted); font-size: 0.85rem; }

/* Telefon ve dar ekran */
@media (max-width: 1000px) {
  .side { transform: translateX(-100%); transition: transform 0.2s; width: min(300px, 86vw); }
  body.nav-open .side { transform: none; }
  .topbar {
    display: flex; align-items: center; gap: 10px; position: sticky; top: 0; z-index: 15;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 10px 16px;
  }
  .topbar img { width: 20px; height: 20px; }
  .topbar b { color: var(--strong); font-size: 15px; }
  .topbar .btn:first-of-type { margin-left: auto; }
  main { margin-left: 0; }
  .wrap { padding: 0 16px; }
  section { padding: 48px 0; }
  .hero { padding-top: 48px; }
  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.55rem; }
  .facts, .phases { grid-template-columns: 1fr 1fr; }
  .facts > div:nth-child(3), .phase:nth-child(3) { border-left: 0; }
  .facts > div:nth-child(n+3), .phase:nth-child(n+3) { border-top: 1px solid var(--line); }
  .row { grid-template-columns: minmax(0, 1fr); gap: 6px; padding: 16px; }
  .cols { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .side-foot .hint { display: none; }
  .km-app { grid-template-columns: minmax(0, 1fr); }
  .km-nav { flex-direction: row; flex-wrap: wrap; border-right: 0; border-bottom: 1px solid var(--line); padding: 10px; }
  .km-nav b { padding: 5px 8px; }
  .km-search { min-width: 0; width: 100%; }
  .km-msg { max-width: 100%; }
  html { scroll-padding-top: 64px; }
}
@media (max-width: 520px) {
  .facts, .phases { grid-template-columns: 1fr; }
  .facts > div, .phase { border-left: 0 !important; }
  .facts > div + div, .phase + .phase { border-top: 1px solid var(--line); }
  .lead { font-size: 1.05rem; }
  th, td { padding: 8px 10px; }
}
@media print {
  .side, .topbar { display: none; }
  main { margin: 0; }
  details > .a, details > .body { display: block; }
}