/* Düzen: üst çubukta marka, sekmeler ve tema düğmesi; her araçta solda girdiler, sağda sonuçlar.
   Çizim alanları (3D ve açılım) "çizim masası" yüzeyinde: ızgaralı, teknik çizim hissi. Turuncu yalnızca eylem ve kesim vurgusu. */
:root {
  --bg: #e9edf0; --panel: #ffffff; --panel-2: #f3f6f8; --ink: #0f1a22; --mut: #55646f; --line: #d4dce2; --line-2: #e4eaee;
  --accent: #cf4a08; --accent-2: #b03d05; --accent-ink: #ffffff; --accent-soft: #fbe8dd;
  --ok: #17734f; --warn: #8a5a00; --err: #b3261e;
  --board: #f7f9fa; --grid: #e3e9ed; --board-a: #f6f9fb; --board-b: #dde5ea;
  --p0: #3f7f9a; --p1: #c2764a; --p2: #6e9358; --p3: #9a6fa6; --p4: #b39a3d; --p5: #5f8f8b;
  --shadow: 0 1px 2px rgba(15,26,34,.06), 0 4px 16px rgba(15,26,34,.05);
  --font-display: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111618; --panel: #192024; --panel-2: #20292e; --ink: #e8edf0; --mut: #98a6ae; --line: #2f3b41; --line-2: #263036;
    --accent: #ee7a35; --accent-2: #f5904f; --accent-ink: #1a0e06; --accent-soft: #35231a;
    --ok: #5cc596; --warn: #e0b04d; --err: #ff8a80;
    --board: #151c20; --grid: #222c32; --board-a: #243038; --board-b: #12181b;
    --p0: #6fb2cf; --p1: #e09a6e; --p2: #92bd7b; --p3: #c79bd3; --p4: #d9c162; --p5: #86bdb8;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111618; --panel: #192024; --panel-2: #20292e; --ink: #e8edf0; --mut: #98a6ae; --line: #2f3b41; --line-2: #263036;
  --accent: #ee7a35; --accent-2: #f5904f; --accent-ink: #1a0e06; --accent-soft: #35231a;
  --ok: #5cc596; --warn: #e0b04d; --err: #ff8a80;
  --board: #151c20; --grid: #222c32; --board-a: #243038; --board-b: #12181b;
  --p0: #6fb2cf; --p1: #e09a6e; --p2: #92bd7b; --p3: #c79bd3; --p4: #d9c162; --p5: #86bdb8;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.25);
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--font-body); -webkit-font-smoothing: antialiased; }
.sar { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.kap { max-width: 1272px; margin: 0 auto; padding-inline: max(16px, env(safe-area-inset-left), env(safe-area-inset-right)); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---- üst çubuk ---- */
.ust { background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; }
.ust .kap { display: flex; align-items: center; gap: 12px 28px; flex-wrap: wrap; padding-block: 10px; }
.marka { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.marka svg { width: 34px; height: 34px; flex: none; }
.marka b { display: block; font: 700 24px/1 var(--font-display); letter-spacing: .06em; text-transform: uppercase; }
.marka small { display: block; font-size: 11px; color: var(--mut); letter-spacing: .04em; margin-top: 2px; }
.tema { background: var(--panel-2); border: 1px solid var(--line); color: var(--ink); width: 36px; height: 36px; border-radius: 6px; cursor: pointer; display: grid; place-items: center; }
.tema svg { width: 18px; height: 18px; }
.tema:hover { border-color: var(--mut); }

/* ---- sayfa gövdesi ---- */
main { padding-block: 22px 40px; }
.baslik { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 24px; margin-bottom: 16px; }
.baslik h1 { font: 700 34px/1 var(--font-display); letter-spacing: .03em; text-transform: uppercase; margin: 0; }
.baslik p { margin: 0; color: var(--mut); font-size: 14px; max-width: 60ch; }
.is { display: grid; grid-template-columns: minmax(0, 372px) minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 900px) { .is { grid-template-columns: minmax(0, 1fr); } }
.yan { position: sticky; top: 74px; }
@media (max-width: 900px) { .yan { position: static; } }
.kart { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 18px; min-width: 0; box-shadow: var(--shadow); }
.kart + .kart { margin-top: 16px; }
.kart h2 { font: 600 19px/1.1 var(--font-display); letter-spacing: .05em; text-transform: uppercase; margin: 0 0 12px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.kart h2 small { font: 400 12px var(--font-body); letter-spacing: 0; text-transform: none; color: var(--mut); }
.not { color: var(--mut); font-size: 13px; margin: 0 0 12px; }
label { display: block; font-size: 13px; font-weight: 500; margin: 12px 0 4px; }
label small { color: var(--mut); font-weight: 400; }
input[type=number], select {
  width: 100%; padding: 8px 10px; font: 15px var(--font-mono); color: var(--ink);
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 5px; min-width: 0;
}
input[type=number]:hover, select:hover { border-color: var(--mut); }
input[type=number]:focus, select:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }
select { font-family: var(--font-body); }
.cift { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.uclu { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.bolum { margin: 16px 0 0; padding-top: 12px; border-top: 1px solid var(--line-2); font: 600 12px var(--font-body); letter-spacing: .08em; text-transform: uppercase; color: var(--mut); }

/* ---- boru tipi seçici ---- */
.tipler { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 4px; }
.tipler input { position: absolute; opacity: 0; pointer-events: none; }
.tipler label { margin: 0; cursor: pointer; border: 1px solid var(--line); border-radius: 8px; padding: 10px 8px 8px; text-align: center; background: var(--panel-2); color: var(--mut); display: block; }
.tipler label:hover { border-color: var(--mut); color: var(--ink); }
.tipler svg { width: 56px; height: 38px; display: block; margin: 0 auto 4px; }
.tipler b { display: block; font: 600 15px/1.1 var(--font-body); color: var(--ink); }
.tipler small { font-size: 11px; color: var(--mut); }
.tipler input:checked + label { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.tipler input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---- düğmeler ---- */
.btn { font: 600 14px var(--font-body); padding: 9px 16px; border-radius: 6px; cursor: pointer; border: 1px solid var(--line); background: var(--panel-2); color: var(--ink); }
.btn:hover { border-color: var(--mut); }
.btn.ana { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ana:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn:disabled { opacity: .55; cursor: progress; }
.btn.kucuk { padding: 6px 11px; font-size: 13px; }
.btn.sil { padding: 6px 0; width: 36px; }
.eylem { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

/* ---- sonuç alanları ---- */
.fayans { display: grid; grid-template-columns: repeat(auto-fit, minmax(128px, 1fr)); gap: 10px; margin-bottom: 16px; }
.fayans div { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; box-shadow: var(--shadow); min-width: 0; }
.fayans b { display: block; font: 600 28px/1.05 var(--font-display); font-variant-numeric: tabular-nums; letter-spacing: .01em; overflow-wrap: anywhere; }
.fayans b i { font: 400 13px var(--font-body); font-style: normal; color: var(--mut); margin-left: 3px; }
.fayans span { font-size: 11px; color: var(--mut); text-transform: uppercase; letter-spacing: .07em; }
.fayans .vurgu { border-color: var(--accent); }
.fayans .vurgu b { color: var(--accent); }
.gorunum { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 16px; }
@media (max-width: 1100px) { .gorunum { grid-template-columns: minmax(0, 1fr); } }
.gorunum .kart + .kart { margin-top: 0; }
.masa {
  position: relative; border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
  background-color: var(--board);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
}
.masa.uc { background-image: radial-gradient(ellipse at 50% 35%, var(--board-a), var(--board-b)); }
.masa canvas { display: block; width: 100%; height: 360px; cursor: grab; touch-action: none; }
.masa canvas:active { cursor: grabbing; }
.masa .araclar { position: absolute; right: 8px; top: 8px; display: flex; gap: 6px; }
.masa .araclar button { background: var(--panel); border: 1px solid var(--line); color: var(--ink); border-radius: 5px; padding: 4px 9px; font: 500 12px var(--font-body); cursor: pointer; }
.masa .araclar button:hover { border-color: var(--mut); }
.masa .etiket { position: absolute; left: 10px; top: 10px; display: flex; flex-wrap: wrap; gap: 6px; pointer-events: none; }
.chip { background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 2px 8px; font: 500 12px var(--font-mono); }
.masa .ipucu { position: absolute; left: 10px; bottom: 8px; font-size: 11px; color: var(--mut); pointer-events: none; }
.sema { width: 100%; height: auto; max-height: 420px; display: block; }
.sema text { font-family: var(--font-mono); fill: var(--mut); }
.sema .kota { stroke: var(--mut); stroke-width: 1; fill: none; }
.lejant { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 12px; margin: 10px 0 0; color: var(--mut); }
.lejant span::before { content: ""; display: inline-block; width: 18px; height: 0; border-top: 2px solid currentColor; margin-right: 6px; vertical-align: 3px; }
.lejant span.kes { color: var(--ink); } .lejant span.bk { color: var(--err); border: 0; } .lejant span.ref { color: var(--ok); }
.lejant span.bk::before, .lejant span.ref::before { border-top-style: dashed; }
.uyari { color: var(--warn); font-size: 13px; margin: 8px 0 0; }
.hata { color: var(--err); font-weight: 500; margin: 0; }
.bos { color: var(--mut); padding: 22px 4px; margin: 0; }
.tablo { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; font-variant-numeric: tabular-nums; }
th { text-align: left; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--mut); }
th, td { padding: 7px 12px 7px 0; border-bottom: 1px solid var(--line-2); vertical-align: top; }
td.m { font-family: var(--font-mono); }
td.s, th.s { text-align: right; padding-right: 0; }
.cubuk { display: grid; grid-template-columns: 46px minmax(0, 1fr) 84px; gap: 10px; align-items: center; margin: 10px 0; font-variant-numeric: tabular-nums; }
.cubuk .n { font: 600 20px var(--font-display); }
.cubuk .a { font: 12px var(--font-mono); color: var(--mut); text-align: right; }
.bar { display: flex; height: 38px; border: 1px solid var(--mut); border-radius: 4px; overflow: hidden; background: var(--panel-2); }
.bar i { display: flex; align-items: center; justify-content: center; font: 500 12px var(--font-mono); font-style: normal; color: #fff; overflow: hidden; white-space: nowrap; border-right: 1px solid var(--panel); }
.bar i.k0 { background: var(--p0); } .bar i.k1 { background: var(--p1); }
.bar i.kerf { flex: none; background: var(--ink); padding: 0; border: 0; }
.bar i.artik { background: repeating-linear-gradient(135deg, transparent 0 5px, var(--line) 5px 6px); border: 0; flex: 1 1 0; }
.sira { display: grid; grid-template-columns: minmax(0, 1fr) 84px 36px; gap: 6px; margin-bottom: 6px; align-items: center; }
.sira.plaka { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 70px 36px; }
.baslik-sira { display: grid; gap: 6px; font-size: 12px; color: var(--mut); margin-bottom: 4px; }

/* ---- sac yerleşim ---- */
.surukle { border: 1.5px dashed var(--line); border-radius: 8px; padding: 16px; text-align: center; color: var(--mut); font-size: 13px; margin-bottom: 12px; background: var(--panel-2); }
.surukle.uzerinde { border-color: var(--accent); background: var(--accent-soft); }
.surukle label { display: inline; margin: 0; color: var(--accent); text-decoration: underline; cursor: pointer; font-weight: 600; font-size: 13px; }
.surukle input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.dosya { border: 1px solid var(--line); border-radius: 8px; padding: 10px; margin-bottom: 8px; background: var(--panel-2); }
.dosya.hatali { border-color: var(--err); }
.dosya .ust2 { display: grid; grid-template-columns: 64px minmax(0, 1fr) 70px 34px; gap: 10px; align-items: center; }
.dosya .kucuk-resim { width: 64px; height: 48px; background: var(--panel); border: 1px solid var(--line); border-radius: 4px; display: grid; place-items: center; overflow: hidden; }
.dosya .kucuk-resim svg { width: 100%; height: 100%; }
.dosya .ad { font: 500 13px var(--font-mono); overflow-wrap: anywhere; }
.dosya .ad small { display: block; font: 400 12px var(--font-body); color: var(--mut); }
.dosya .ad small.h { color: var(--err); }
.dosya .ad small.u { color: var(--warn); }
.dosya details { margin-top: 8px; font-size: 12px; }
.dosya summary { cursor: pointer; color: var(--mut); }
.dosya .katman { display: flex; align-items: center; gap: 8px; margin: 4px 0; font: 12px var(--font-mono); }
.dosya .katman input { accent-color: var(--accent); }
.plaka { margin: 16px 0 0; }
.plaka figcaption { font: 13px var(--font-mono); color: var(--mut); margin-bottom: 6px; display: flex; flex-wrap: wrap; gap: 4px 16px; }
.plaka figcaption b { color: var(--ink); }
.plaka svg { width: 100%; height: auto; display: block; border: 1px solid var(--line); border-radius: 4px; background-color: var(--board); background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 20px 20px; }
.plaka path { fill-opacity: .55; stroke-width: 1.3; vector-effect: non-scaling-stroke; fill-rule: evenodd; }
.p0 { fill: var(--p0); stroke: var(--p0); } .p1 { fill: var(--p1); stroke: var(--p1); } .p2 { fill: var(--p2); stroke: var(--p2); }
.p3 { fill: var(--p3); stroke: var(--p3); } .p4 { fill: var(--p4); stroke: var(--p4); } .p5 { fill: var(--p5); stroke: var(--p5); }
.lej2 { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 13px; margin: 12px 0 0; }
.lej2 span::before { content: ""; display: inline-block; width: 10px; height: 10px; margin-right: 6px; background: currentColor; border-radius: 2px; vertical-align: -1px; }
.lej2 span i { font-style: normal; color: var(--ink); }
.durum { position: fixed; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 9px 16px; border-radius: 6px; font-size: 13px; box-shadow: var(--shadow); z-index: 30; max-width: calc(100vw - 32px); }
.katalog { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 8px; margin-bottom: 18px; }
.katalog button { text-align: left; font: inherit; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; cursor: pointer; color: var(--ink); box-shadow: var(--shadow); }
.katalog button b { display: block; font: 600 15px/1.2 var(--font-body); }
.katalog button small { display: block; font-size: 11.5px; color: var(--mut); margin-top: 2px; line-height: 1.3; }
.katalog button:hover { border-color: var(--mut); }
.katalog button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 1px var(--accent) inset; }
.katalog button[aria-pressed="true"] b { color: var(--accent); }
.masa.dz canvas, .masa.dz .sema { }
.masa .sema { padding: 6px; }
.bilgi td:first-child { color: var(--mut); width: 46%; }
/* reklam alanları, işlem hakkı, pencereler */
.reklam { display: grid; place-items: center; text-align: center; border: 1px dashed var(--line); border-radius: 8px; background: var(--panel-2); color: var(--mut); font-size: 12px; letter-spacing: .04em; overflow: hidden; position: relative; }
.reklam::before { content: "REKLAM"; position: absolute; left: 8px; top: 5px; font-size: 10px; letter-spacing: .1em; opacity: .7; }
.reklam.ust, .reklam.alt { min-height: 90px; margin-bottom: 18px; }
.reklam.alt { margin: 26px 0 0; }
.reklam.kare { min-height: 250px; margin-top: 18px; }
.reklam iframe, .reklam img { max-width: 100%; border: 0; }
.reklam { display: none; }
html.reklam-var .reklam { display: grid; }
.bayat { opacity: .5; transition: opacity .15s; }
.bayat-not { color: var(--warn); font-size: 13px; margin: 10px 0 0; }
.ort { position: fixed; inset: 0; z-index: 60; background: rgba(8,14,18,.62); display: grid; place-items: center; padding: 16px; overflow-y: auto; }
.ort .kutu { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,.4); width: min(860px, 100%); padding: 24px; }
.ort.genis .kutu { width: min(1000px, 100%); }
.ort h2 { font: 700 26px/1.1 var(--font-display); letter-spacing: .04em; text-transform: uppercase; margin: 0 0 6px; }
.ort .alt-yazi { color: var(--mut); margin: 0 0 16px; font-size: 14px; }
.ort .reklam { min-height: 280px; margin: 14px 0; }
@media (prefers-reduced-motion: no-preference) { .btn, .tipler label, nav button { transition: border-color .12s, background-color .12s, color .12s; } }

/* ================= site çatısı ================= */
.atla { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: 6px; z-index: 100; }
.atla:focus { left: 8px; }
.ust .kap { gap: 8px 20px; }
#anaNav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
#anaNav > a, .alt-menu > button { font: 600 14px var(--font-body); background: none; border: 0; color: var(--mut); padding: 9px 13px; border-radius: 6px; cursor: pointer; text-decoration: none; display: flex; align-items: center; gap: 6px; }
#anaNav > a:hover, .alt-menu > button:hover { background: var(--panel-2); color: var(--ink); }
#anaNav a[aria-current="page"], .alt-menu.aktif > button { background: var(--accent-soft); color: var(--accent); }
.alt-menu { position: relative; }
.alt-menu > button svg { width: 12px; height: 12px; transition: transform .15s; }
.alt-menu > button[aria-expanded="true"] svg { transform: rotate(180deg); }
.acilir { position: absolute; right: 0; top: calc(100% + 6px); min-width: 300px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 12px 36px rgba(0,0,0,.18); padding: 6px; z-index: 40; }
.acilir a { display: flex; gap: 12px; align-items: flex-start; padding: 9px 11px; border-radius: 7px; text-decoration: none; color: var(--ink); }
.acilir a:hover { background: var(--panel-2); }
.acilir a[aria-current="page"] { background: var(--accent-soft); }
.acilir svg { width: 22px; height: 22px; flex: none; color: var(--accent); margin-top: 2px; }
.acilir b { display: block; font: 600 14px/1.2 var(--font-body); }
.acilir small { color: var(--mut); font-size: 12px; line-height: 1.3; }
.menu-dugme { display: none; background: var(--panel-2); border: 1px solid var(--line); color: var(--ink); width: 38px; height: 36px; border-radius: 6px; cursor: pointer; place-items: center; margin-left: auto; }
.menu-dugme svg { width: 20px; height: 20px; }
@media (max-width: 860px) {
  .menu-dugme { display: grid; }
  #anaNav { display: none; order: 5; width: 100%; flex-direction: column; align-items: stretch; margin: 0; padding-top: 6px; }
  #anaNav.acik { display: flex; }
  .acilir { position: static; box-shadow: none; border: 0; padding: 0 0 0 8px; min-width: 0; }
  .alt-menu > button { width: 100%; justify-content: space-between; }
  .marka small { display: none; }
}
main { padding-block: 22px 40px; min-height: 60vh; }
.kirinti { font-size: 12.5px; color: var(--mut); margin: 0 0 12px; }
.kirinti a { color: var(--mut); }
.kirinti a:hover { color: var(--accent); }
a { color: var(--accent); }
.dugme-link { display: inline-block; text-decoration: none; font: 600 15px var(--font-body); padding: 11px 22px; border-radius: 8px; border: 1px solid var(--line); color: var(--ink); background: var(--panel); }
.dugme-link.ana { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.dugme-link:hover { border-color: var(--mut); }
.dugme-link.ana:hover { background: var(--accent-2); }

/* ana sayfa */
.kahraman { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 32px; align-items: center; padding-block: 26px 36px; }
.kahraman h1 { font: 700 clamp(38px, 6vw, 62px)/1 var(--font-display); letter-spacing: .02em; text-transform: uppercase; margin: 0 0 14px; }
.kahraman h1 em { font-style: normal; color: var(--accent); }
.kahraman p { font-size: 17px; color: var(--mut); margin: 0 0 22px; max-width: 54ch; }
.kahraman .eylem { margin: 0; }
.kahraman .gorsel { background-color: var(--board); background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 24px 24px; border: 1px solid var(--line); border-radius: 14px; padding: 18px; box-shadow: var(--shadow); }
.kahraman .gorsel svg { width: 100%; height: auto; display: block; }
@media (max-width: 860px) { .kahraman { grid-template-columns: minmax(0, 1fr); } }
.bolum-baslik { font: 700 30px/1.1 var(--font-display); letter-spacing: .03em; text-transform: uppercase; margin: 36px 0 6px; }
.bolum-alt { color: var(--mut); margin: 0 0 18px; max-width: 70ch; }
.arac-izgara { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.arac-kart { display: block; text-decoration: none; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; box-shadow: var(--shadow); transition: border-color .12s, transform .12s; }
.arac-kart:hover { border-color: var(--accent); transform: translateY(-2px); }
.arac-kart svg { width: 34px; height: 34px; color: var(--accent); margin-bottom: 10px; }
.arac-kart h3 { font: 600 20px/1.15 var(--font-display); letter-spacing: .04em; text-transform: uppercase; margin: 0 0 6px; }
.arac-kart p { margin: 0 0 10px; color: var(--mut); font-size: 14px; }
.arac-kart span { font: 600 13px var(--font-body); color: var(--accent); }
.ozellik { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.ozellik div { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; }
.ozellik b { display: block; font: 600 16px var(--font-body); margin-bottom: 4px; }
.ozellik p { margin: 0; color: var(--mut); font-size: 14px; }
.adimlar { counter-reset: adim; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; padding: 0; list-style: none; }
.adimlar li { counter-increment: adim; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px 16px 58px; position: relative; font-size: 14.5px; }
.adimlar li::before { content: counter(adim); position: absolute; left: 16px; top: 14px; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font: 700 16px var(--font-display); }
.adimlar b { display: block; margin-bottom: 2px; }
.sss details { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 0 18px; margin-bottom: 8px; }
.sss summary { cursor: pointer; font-weight: 600; padding: 14px 0; }
.sss details[open] summary { color: var(--accent); }
.sss details p { margin: 0 0 14px; color: var(--mut); }

/* makale / yasal metin */
.makale { max-width: 78ch; }
.makale h1 { font: 700 36px/1.1 var(--font-display); letter-spacing: .03em; text-transform: uppercase; margin: 0 0 12px; }
.makale h2 { font: 600 22px/1.2 var(--font-display); letter-spacing: .04em; text-transform: uppercase; margin: 28px 0 8px; }
.makale p, .makale li { color: var(--ink); line-height: 1.65; }
.makale ul { padding-left: 20px; }
.makale .ince { color: var(--mut); font-size: 13px; }
.bilgi-kart { margin-top: 22px; }
.bilgi-kart h2 { font: 600 20px/1.2 var(--font-display); letter-spacing: .05em; text-transform: uppercase; margin: 0 0 10px; }
.bilgi-kart h3 { font: 600 15px var(--font-body); margin: 16px 0 4px; }
.bilgi-kart p, .bilgi-kart li { color: var(--mut); font-size: 14.5px; line-height: 1.65; margin: 0 0 8px; }
.bilgi-kart ul { padding-left: 20px; margin: 0 0 8px; }
.surum { border-left: 3px solid var(--line); padding: 0 0 18px 18px; margin-left: 6px; position: relative; }
.surum::before { content: ""; position: absolute; left: -7px; top: 4px; width: 11px; height: 11px; border-radius: 50%; background: var(--line); }
.surum:first-of-type { border-left-color: var(--accent); }
.surum:first-of-type::before { background: var(--accent); }
.surum h3 { margin: 0; font: 600 20px var(--font-display); letter-spacing: .04em; }
.surum time { color: var(--mut); font-size: 13px; }
.surum ul { margin: 6px 0 0; padding-left: 18px; }
.hata-sayfa { text-align: center; padding-block: 56px 40px; }
.hata-sayfa .kod { font: 700 clamp(90px, 22vw, 180px)/1 var(--font-display); color: var(--accent); letter-spacing: .04em; }
.hata-sayfa h1 { font: 700 32px/1.1 var(--font-display); letter-spacing: .04em; text-transform: uppercase; margin: 0 0 10px; }
.hata-sayfa p { color: var(--mut); max-width: 52ch; margin: 0 auto 22px; }
.hata-sayfa .eylem { justify-content: center; }

/* altbilgi */
footer { background: var(--panel); border-top: 1px solid var(--line); color: var(--mut); font-size: 13.5px; padding-block: 34px calc(22px + env(safe-area-inset-bottom, 0px)); }
.alt-izgara { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; }
@media (max-width: 760px) { .alt-izgara { grid-template-columns: minmax(0, 1fr); } }
footer h4 { font: 600 13px var(--font-body); letter-spacing: .08em; text-transform: uppercase; color: var(--ink); margin: 0 0 10px; }
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin: 0 0 6px; }
footer a { color: var(--mut); text-decoration: none; }
footer a:hover { color: var(--accent); text-decoration: underline; }
footer .marka-alt b { font: 700 22px var(--font-display); letter-spacing: .06em; text-transform: uppercase; color: var(--ink); }
footer .marka-alt p { margin: 6px 0 0; max-width: 44ch; }
.alt-cizgi { display: flex; flex-wrap: wrap; gap: 6px 20px; justify-content: space-between; border-top: 1px solid var(--line-2); margin-top: 24px; padding-top: 16px; font-size: 12.5px; }
.surum-rozet { font: 500 12px var(--font-mono); background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; color: var(--ink); text-decoration: none; }
.cerez { position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); z-index: 70; max-width: 760px; margin: 0 auto; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 12px 40px rgba(0,0,0,.28); padding: 16px 18px; display: flex; flex-wrap: wrap; gap: 12px 16px; align-items: center; }
.cerez p { margin: 0; flex: 1 1 320px; font-size: 13.5px; color: var(--ink); }
.cerez .eylem { margin: 0; }

/* abkant ve ağırlık */
.sira.bukum { grid-template-columns: 118px minmax(0, 1fr) 36px; }
.sira.parca-sira { grid-template-columns: minmax(0, 1fr); }
.ab-etiket { font: 600 12px var(--font-body); color: var(--mut); margin: 6px 0 4px; letter-spacing: .06em; text-transform: uppercase; }
.ilerleme { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; }
.ilerleme input[type=range] { flex: 1 1 220px; accent-color: var(--accent); }
.ilerleme output { font: 500 13px var(--font-mono); min-width: 52px; text-align: right; }
.kalip-sec { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: 13px; }
.kalip-sec select { width: auto; }
.sema .punch { fill: var(--mut); fill-opacity: .55; stroke: var(--ink); stroke-width: 1; }
.sema .die { fill: var(--mut); fill-opacity: .35; stroke: var(--ink); stroke-width: 1; }
.sema .sheet { fill: var(--accent); fill-opacity: .55; stroke: var(--accent); stroke-width: 1.4; stroke-linejoin: round; }
.sema .profil { fill: var(--p0); fill-opacity: .5; stroke: var(--p0); stroke-width: 1.4; stroke-linejoin: round; }
.sema .ince-cizgi { stroke: var(--mut); stroke-width: .8; stroke-dasharray: 4 3; fill: none; }
.liste-toplam td { font-weight: 600; border-top: 2px solid var(--line); }
@media print { .ust, footer, .reklam, .cerez, .eylem, form { display: none !important; } }

/* alt sekmeler, bilgilendirme, dişli, reklam engelleyici, mobil iyileştirmeler */
.alt-sekmeler { display: flex; gap: 4px; margin: 0 0 16px; padding: 4px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; width: fit-content; max-width: 100%; overflow-x: auto; }
.alt-sekmeler button { font: 600 14px var(--font-body); border: 0; background: none; color: var(--mut); padding: 9px 18px; border-radius: 7px; cursor: pointer; white-space: nowrap; min-height: 40px; }
.alt-sekmeler button:hover { color: var(--ink); }
.alt-sekmeler button[aria-selected="true"] { background: var(--panel); color: var(--accent); box-shadow: 0 1px 3px rgba(0,0,0,.12); }
.bilgilendirme { border: 1px solid var(--line); border-left: 4px solid var(--warn); background: var(--panel); border-radius: 8px; padding: 9px 14px; font-size: 12.5px; line-height: 1.5; color: var(--mut); margin: 0 0 16px; }
.bilgilendirme b { color: var(--ink); }
.gelismis { margin-top: 12px; }
.gelismis summary { cursor: pointer; font: 600 13px var(--font-body); color: var(--mut); padding: 6px 0; }
.dis-masa .sema { max-height: 480px; }
.sema .dis-bolum { stroke: var(--accent); }
.sema .dis-taban { stroke: var(--mut); }
.sema .dis-delik { fill: var(--panel); stroke: var(--ink); }
.abk { position: fixed; inset: 0; z-index: 200; background: var(--bg); display: grid; place-items: center; padding: 20px; overflow-y: auto; }
.abk .kutu { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 26px 24px; max-width: 520px; box-shadow: var(--shadow); text-align: center; }
.abk h2 { font: 700 28px/1.1 var(--font-display); letter-spacing: .04em; text-transform: uppercase; margin: 0 0 10px; }
.abk p { color: var(--mut); margin: 0 0 12px; }
.abk ol { text-align: left; color: var(--ink); font-size: 14px; margin: 0 0 16px; padding-left: 22px; }
@media (max-width: 860px) {
  .masa canvas { touch-action: pan-y; height: 300px; }
  input, select, textarea { font-size: 16px; }
  .btn, .alt-sekmeler button { min-height: 44px; }
  main { padding-block: 14px 28px; }
  .baslik h1 { font-size: 28px; }
  .alt-sekmeler { width: 100%; }
  .alt-sekmeler button { flex: 1; padding-inline: 10px; }
  .cerez { left: 8px; right: 8px; }
}

/* ana sayfa: tüm araçlar eşit görünür */
.hizli { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.hizli a { display: inline-flex; align-items: center; gap: 7px; font: 600 13.5px var(--font-body); color: var(--ink); text-decoration: none; background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px 7px 10px; min-height: 36px; }
.hizli a:hover { border-color: var(--accent); color: var(--accent); }
.hizli svg { width: 18px; height: 18px; color: var(--accent); }
@media (min-width: 1100px) { .arac-izgara.bes { grid-template-columns: repeat(5, minmax(0, 1fr)); } .arac-izgara.bes .arac-kart { padding: 16px; } .arac-izgara.bes h3 { font-size: 18px; } }