/* ====== Tokenlar ====== */
:root {
  --bg: #0e1319;
  --surface: #161d27;
  --surface-2: #1c2531;
  --border: #283344;
  --text: #e6edf3;
  --muted: #8d9bb0;
  --accent: #4cc2ff;
  --accent-ink: #04202e;
  --ok: #3fb97c;
  --ok-bg: rgba(63, 185, 124, .14);
  --warn: #e3a008;
  --warn-bg: rgba(227, 160, 8, .14);
  --danger: #f0616d;
  --code-bg: #0a0f15;
  --log-bg: #1a1416;
  --log-text: #ffb3ba;
  --radius: 12px;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #eef2f7;
  --border: #d5dce6;
  --text: #17202c;
  --muted: #5b6b80;
  --accent: #0a6fb5;
  --accent-ink: #ffffff;
  --ok: #17803f;
  --ok-bg: rgba(23, 128, 63, .11);
  --warn: #9a6400;
  --warn-bg: rgba(154, 100, 0, .12);
  --danger: #c4283a;
  --code-bg: #101722;
  --log-bg: #fdf1f2;
  --log-text: #8f1d2c;
  color-scheme: light;
}

/* ====== Temel ====== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: .88em; background: var(--surface-2); padding: .12em .4em; border-radius: 6px; }
h1, h2, h3 { line-height: 1.25; margin: 0; }
p { margin: 0 0 1rem; }
.muted { color: var(--muted); font-size: .94rem; }
.sr-only { position: absolute; left: -9999px; top: 0; opacity: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 28px 20px 64px; }

/* ====== Üst çubuk ====== */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { max-width: 1120px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 650; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px;
  background: var(--accent); color: var(--accent-ink); font: 700 13px var(--mono);
}
.topsearch { position: relative; flex: 1; max-width: 460px; margin-left: auto; }
.topsearch input {
  width: 100%; padding: 9px 38px 9px 14px; border-radius: 10px;
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
  font: inherit; font-size: .94rem;
}
.topsearch input::placeholder { color: var(--muted); }
.kbd-hint {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  font: 12px var(--mono); color: var(--muted); border: 1px solid var(--border);
  border-radius: 5px; padding: 0 6px; background: var(--surface-2);
}
.icon-btn {
  width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); cursor: pointer; display: grid; place-items: center;
}
.icon-btn:hover { background: var(--surface-2); }
.theme-ico { width: 16px; height: 16px; border-radius: 50%; border: 2px solid currentColor; position: relative; overflow: hidden; }
.theme-ico::after { content: ""; position: absolute; inset: 0 0 0 50%; background: currentColor; }

/* ====== Ana sayfa ====== */
.hero { padding: 36px 0 20px; }
.eyebrow { color: var(--accent); font: 600 .8rem var(--mono); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 10px; }
.hero h1 { font-size: clamp(1.7rem, 4.2vw, 2.5rem); letter-spacing: -.02em; max-width: 18em; }
.hero-search { display: flex; gap: 10px; margin: 22px 0 12px; max-width: 640px; }
.hero-search input {
  flex: 1; padding: 14px 16px; font: inherit; font-size: 1.05rem; border-radius: 12px;
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
}
.hero-search input:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
.hero-search button {
  padding: 0 24px; border-radius: 12px; border: 0; background: var(--accent); color: var(--accent-ink);
  font: 650 1rem var(--sans); cursor: pointer;
}
.hero-search button:hover { filter: brightness(1.08); }
.hero-sub { color: var(--muted); font-size: .92rem; }

.section-title { font-size: 1.05rem; margin: 26px 0 14px; display: flex; align-items: center; gap: 10px; color: var(--muted); font-weight: 600; }
.count { background: var(--surface-2); border: 1px solid var(--border); color: var(--text); border-radius: 999px; padding: 0 9px; font-size: .8rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.card {
  display: flex; flex-direction: column; gap: 10px; padding: 20px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.code { font: 700 1.15rem var(--mono); color: var(--accent); overflow-wrap: anywhere; min-width: 0; }
.card h3 { font-size: 1.05rem; }
.card p { color: var(--muted); font-size: .92rem; margin: 0; }
.card-meta { margin-top: auto; padding-top: 6px; display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: .8rem; }
.empty { padding: 28px; border: 1px dashed var(--border); border-radius: var(--radius); background: var(--surface); margin: 18px 0; }
.empty h2 { font-size: 1.2rem; margin-bottom: 8px; }
.empty p { margin: 0; color: var(--muted); }
.empty-live { color: var(--muted); }

.badge { font-size: .76rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; border: 1px solid transparent; white-space: nowrap; }
.badge-cozuldu { color: var(--ok); background: var(--ok-bg); border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.badge-dogrulama { color: var(--warn); background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.badge-acik { color: var(--danger); background: color-mix(in srgb, var(--danger) 13%, transparent); border-color: color-mix(in srgb, var(--danger) 35%, transparent); }
.badge-bilgi { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }

/* ====== Makale ====== */
.crumbs { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: .88rem; margin-bottom: 18px; }
.crumbs span[aria-hidden] { opacity: .5; }

.a-head { margin-bottom: 28px; }
.a-code-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.a-code { font: 700 clamp(1.5rem, 5vw, 2.6rem) var(--mono); color: var(--accent); letter-spacing: -.02em; overflow-wrap: anywhere; min-width: 0; }
.a-title { font-size: 1.3rem; font-weight: 650; margin: 10px 0 8px; }
.a-summary { color: var(--muted); max-width: 52em; font-size: 1.02rem; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 18px 0 0; }
.facts > div { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.facts dt { font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 4px; }
.facts dd { margin: 0; font-size: .92rem; word-break: break-word; }

.a-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 36px; align-items: start; }
.toc { position: sticky; top: 84px; }
.toc-title { font: 600 .74rem var(--sans); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 8px; }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--border); }
.toc a { display: block; padding: 5px 14px; color: var(--muted); font-size: .92rem; margin-left: -1px; border-left: 2px solid transparent; }
.toc a:hover { color: var(--text); text-decoration: none; }
.toc a.is-active { color: var(--accent); border-left-color: var(--accent); }
.progress { margin-top: 20px; }
.progress-bar { height: 6px; background: var(--surface-2); border-radius: 999px; overflow: hidden; border: 1px solid var(--border); }
.progress-bar span { display: block; height: 100%; width: 0; background: var(--ok); transition: width .25s; }
.progress p { font-size: .8rem; color: var(--muted); margin: 6px 0 0; }

.a-body section { margin-bottom: 44px; }
.a-body h2 { font-size: 1.35rem; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }

/* kod blokları */
.pre-wrap { position: relative; margin: 12px 0 14px; }
pre { margin: 0; padding: 16px 18px; border-radius: 10px; overflow-x: auto; font: 13.5px/1.6 var(--mono); }
pre code { background: none; padding: 0; font-size: inherit; color: inherit; }
pre.code { background: var(--code-bg); color: #dbe6f2; border: 1px solid #1f2b3a; padding-right: 86px; }
pre.log { background: var(--log-bg); color: var(--log-text); border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent); white-space: pre-wrap; word-break: break-word; padding-right: 86px; }
.copy-btn {
  position: absolute; top: 8px; right: 8px; font: 600 12px var(--sans); padding: 5px 11px;
  background: rgba(255, 255, 255, .08); color: #cfd9e6; border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 7px; cursor: pointer;
}
pre.log + .copy-btn, .pre-wrap:has(pre.log) .copy-btn { color: var(--log-text); background: rgba(0, 0, 0, .06); border-color: color-mix(in srgb, var(--danger) 35%, transparent); }
.copy-btn:hover { background: rgba(255, 255, 255, .16); }
.copy-btn.is-done { color: #7be0a8; border-color: #7be0a8; }

/* tablo */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; }
.tbl { width: 100%; border-collapse: collapse; font-size: .94rem; background: var(--surface); }
.tbl th, .tbl td { text-align: left; padding: 11px 14px; vertical-align: top; }
.tbl thead th { background: var(--surface-2); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.tbl tbody tr + tr td { border-top: 1px solid var(--border); }

/* adımlar */
.steps { list-style: none; padding: 0; margin: 18px 0 0; counter-reset: s; display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.a-body { min-width: 0; }
.a-body p, .a-body li, .a-body td, .a-body dd { overflow-wrap: anywhere; }
.step {
  min-width: 0; counter-increment: s; position: relative;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px 6px 20px; transition: border-color .15s, opacity .15s;
}
.step.is-done { border-color: color-mix(in srgb, var(--ok) 50%, var(--border)); }
.step.is-done .step-head h3 { color: var(--muted); text-decoration: line-through; text-decoration-color: color-mix(in srgb, var(--muted) 60%, transparent); }
.step-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.step-head h3 { font-size: 1.05rem; }
.step-head h3::before {
  content: counter(s); display: inline-grid; place-items: center; width: 26px; height: 26px; margin-right: 10px;
  border-radius: 50%; background: var(--surface-2); border: 1px solid var(--border);
  font: 700 .8rem var(--mono); color: var(--accent); text-decoration: none;
}
.check { display: inline-flex; cursor: pointer; flex: none; }
.check input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.check-box { width: 22px; height: 22px; border-radius: 6px; border: 2px solid var(--border); display: grid; place-items: center; background: var(--bg); }
.check input:checked + .check-box { background: var(--ok); border-color: var(--ok); }
.check input:checked + .check-box::after { content: ""; width: 5px; height: 10px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg) translate(-1px, -1px); }
.check input:focus-visible + .check-box { outline: 2px solid var(--accent); outline-offset: 2px; }

.callout { padding: 10px 14px; border-radius: 9px; font-size: .92rem; margin: 10px 0 14px; border: 1px solid transparent; }
.callout-note { background: color-mix(in srgb, var(--accent) 10%, transparent); border-color: color-mix(in srgb, var(--accent) 30%, transparent); }
.callout-warn { background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 35%, transparent); }

.bullets { padding-left: 1.2rem; margin: 0 0 14px; }
.bullets li { margin-bottom: 8px; }
.bullets-warn li::marker { color: var(--warn); }

.escalate { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 10px; padding: 14px 18px; margin-top: 18px; }
.escalate h3 { font-size: .98rem; margin-bottom: 6px; }
.escalate p { margin: 0; color: var(--muted); }

.related { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 10px; }
.related li { display: flex; gap: 12px; align-items: baseline; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 11px 14px; flex-wrap: wrap; }
.related span { color: var(--muted); font-size: .93rem; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 0; }
.tag { font-size: .78rem; padding: 2px 10px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); color: var(--muted); }

.footer { max-width: 1120px; margin: 0 auto; padding: 24px 20px 40px; color: var(--muted); font-size: .84rem; border-top: 1px solid var(--border); display: flex; gap: 8px; flex-wrap: wrap; }

/* ====== Çözüm Defteri eklemeleri ====== */
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font: 600 .92rem var(--sans); cursor: pointer; white-space: nowrap; text-decoration: none;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn:disabled { opacity: .55; cursor: default; }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent); filter: brightness(1.08); }
.btn-ghost { background: transparent; }
.btn-danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, var(--border)); }
.btn-sm { padding: 5px 12px; font-size: .84rem; border-radius: 8px; }
.icon-btn { text-decoration: none; }
.icon-btn.sm { width: 30px; height: 30px; border-radius: 8px; font-size: .9rem; flex: none; }
.icon-btn.danger { color: var(--danger); }
.linkish { background: none; border: 0; padding: 0; color: var(--muted); font: inherit; font-size: .8rem; cursor: pointer; text-decoration: underline; }
.mono { font-family: var(--mono) !important; font-size: .9rem !important; }
.nowrap { white-space: nowrap; }
kbd { font: 12px var(--mono); border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 5px; padding: 0 5px; background: var(--surface-2); }
.page-title { font-size: 1.5rem; margin-bottom: 10px; }
.err { color: var(--danger); font-size: .9rem; margin: 0; }
.ok { color: var(--ok); font-size: .9rem; margin: 0; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 8px; align-items: center; }
.chip { font-size: .85rem; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text); }
.chip span { color: var(--muted); font-size: .78rem; margin-left: 3px; }
.chip:hover { border-color: var(--accent); text-decoration: none; }
.chip.is-on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.chip.is-on span { color: inherit; opacity: .75; }
.chip-sep { width: 1px; height: 22px; background: var(--border); margin: 0 4px; }
.chip-cozuldu.is-on { background: var(--ok); border-color: var(--ok); }
.chip-dogrulama.is-on { background: var(--warn); border-color: var(--warn); }
.chip-acik.is-on { background: var(--danger); border-color: var(--danger); color: #fff; }
.card .cat { color: var(--accent); }
.card-meta > span:last-child { white-space: nowrap; }

.crumbs { flex-wrap: wrap; }
.crumb-actions { margin-left: auto; display: flex; gap: 8px; }
.a-title-big { font-size: clamp(1.5rem, 4vw, 2.1rem); letter-spacing: -.01em; margin-top: 12px; }
.tag:hover { color: var(--text); text-decoration: none; border-color: var(--accent); }

/* markdown içerik */
.md > :last-child { margin-bottom: 0; }
.md { margin-bottom: 1rem; }
.md ul, .md ol { padding-left: 1.3rem; margin: 0 0 1rem; }
.md li { margin-bottom: 4px; }
.md pre { background: var(--code-bg); color: #dbe6f2; border: 1px solid #1f2b3a; padding-right: 86px; }
.md img { max-width: 100%; height: auto; border-radius: 8px; border: 1px solid var(--border); display: block; margin: 8px 0; }
.md table { border-collapse: collapse; margin: 0 0 1rem; font-size: .93rem; display: block; overflow-x: auto; }
.md th, .md td { border: 1px solid var(--border); padding: 7px 10px; text-align: left; }
.md th { background: var(--surface-2); }
.md blockquote { margin: 0 0 1rem; padding: 4px 14px; border-left: 3px solid var(--border); color: var(--muted); }
.md h1, .md h2, .md h3, .md h4 { font-size: 1.08rem; margin: 18px 0 8px; border: 0; padding: 0; }
.step .md p { margin-bottom: .6rem; }

/* paneller / formlar */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; margin: 0 0 16px; }
.panel h2 { font-size: 1.1rem; margin-bottom: 12px; }
.panel h3 { font-size: .98rem; margin: 18px 0 8px; }
fieldset.panel { min-width: 0; }
.panel legend { font-weight: 650; padding: 0 6px; margin-left: -6px; }
.panel legend small, label small { color: var(--muted); font-weight: 400; }
label { display: flex; flex-direction: column; gap: 5px; font-size: .88rem; color: var(--muted); margin-bottom: 12px; }
label.inline { flex-direction: row; align-items: center; gap: 8px; color: var(--text); }
label em { color: var(--danger); font-style: normal; }
input:not([type=checkbox]):not([type=file]), select, textarea {
  width: 100%; padding: 9px 12px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font: inherit; font-size: .95rem;
}
textarea { resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.grid2 .span2 { grid-column: 1 / -1; }
.file-btn { flex-direction: row; margin: 0; color: var(--text); }

.login { max-width: 380px; margin: 40px auto; text-align: center; }
.login h1 { font-size: 1.5rem; margin: 14px 0 20px; }
.login .panel { text-align: left; }
.brand-mark.big { width: 64px; height: 64px; border-radius: 16px; font-size: 24px; margin: 0 auto; }
.settings { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; align-items: start; }
.settings .panel { margin: 0; }

.editor { max-width: 920px; }
.ed-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.ed-bar .page-title { margin: 0 auto 0 0; }
.ed-bar-bottom { justify-content: flex-end; position: sticky; bottom: 0; background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(8px); padding: 12px 0; border-top: 1px solid var(--border); }
.ed-msg { color: var(--muted); font-size: .88rem; }
.ed-msg.is-err { color: var(--danger); }
.ed-step { border: 1px solid var(--border); border-radius: 10px; padding: 12px; margin-bottom: 12px; background: var(--surface-2); display: grid; gap: 8px; }
.ed-step .grid2 { gap: 8px; }
.ed-step-head { display: flex; gap: 8px; align-items: center; }
.ed-step-no { flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--surface); border: 1px solid var(--border); color: var(--accent); font: 700 .8rem var(--mono); }
.ed-pair { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 8px; margin-bottom: 8px; align-items: center; }
details.more > summary { cursor: pointer; font-weight: 650; }
details.more[open] > summary { margin-bottom: 8px; }

/* ====== Mobil ====== */
@media (max-width: 860px) {
  .a-layout { grid-template-columns: 1fr; gap: 0; }
  .toc { position: static; margin-bottom: 24px; }
  .toc ol { display: flex; flex-wrap: wrap; gap: 6px; border: 0; }
  .toc a { border: 1px solid var(--border); border-radius: 999px; margin: 0; padding: 4px 12px; background: var(--surface); }
  .toc a.is-active { border-color: var(--accent); }
}
@media (max-width: 620px) {
  .brand-text, .hide-sm { display: none; }
  .grid2 { grid-template-columns: 1fr; }
  .ed-pair { grid-template-columns: 1fr auto; }
  .ed-pair input[data-f='1'] { grid-column: 1; }
  .crumb-actions { margin-left: 0; width: 100%; }
  .topbar-inner { gap: 8px; }
  .wrap { padding: 20px 14px 48px; }
  .topbar-inner { padding: 10px 14px; }
  .hero-search { flex-direction: column; }
  .hero-search button { padding: 13px; }
  .cards { grid-template-columns: 1fr; }
  .step { padding: 16px 14px 4px; }
  pre.code, pre.log { padding-right: 14px; padding-top: 40px; }
}

/* ====== Yazdırma ====== */
@media print {
  :root, :root[data-theme="dark"] { --bg: #fff; --surface: #fff; --surface-2: #f2f2f2; --border: #ccc; --text: #000; --muted: #444; --accent: #004a80; --code-bg: #f5f5f5; --log-bg: #fdf1f2; --log-text: #7a1220; }
  .topbar, .toc, .copy-btn, .footer, .check, .crumb-actions { display: none !important; }
  .a-layout { display: block; }
  pre.code { color: #111; border-color: #ccc; }
  .step { break-inside: avoid; }
}