/* Online araçlar (K48) — ortak görünüm.
   Site değişkenleri (style.css) ve form bileşenleri (form.css) üzerine kurulur;
   açık/koyu tema sistemden gelir. Telefonda yatay kaydırma yok, dokunma hedefi ≥ 34 px. */

/* ---------- araçlar sayfası (kartlar) ---------- */
.arac-kartlar { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); padding-bottom: 64px; }
.arac-kart {
  display: flex; flex-direction: column; gap: 8px; min-height: 170px; padding: 22px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow);
  color: var(--ink);
}
.arac-kart:hover { text-decoration: none; border-color: var(--accent); }
.arac-kart h2 { margin: 0; font-size: 18px; letter-spacing: -.01em; }
.arac-kart p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.55; }
.arac-kart .arac-ok { margin-top: auto; color: var(--accent); font-weight: 600; font-size: 14px; }
.arac-ikon { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.arac-ikon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- sekmeler: tek satıra sığmazsa alt satıra sarılır (kaydırma yok) ---------- */
.arac-sekmeler { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; }
.arac-sekmeler button {
  min-height: 38px; padding: 7px 14px; font: 600 14px/1.3 var(--yazi);
  background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 9px;
}
.arac-sekmeler button:hover { border-color: var(--accent); color: var(--accent); filter: none; }
.arac-sekmeler button[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
@media (max-width: 480px) {
  .arac-sekmeler { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .arac-sekmeler button { padding: 7px 8px; }
}

/* ---------- genel ---------- */
[hidden] { display: none !important; }       /* .alanlar / .dugme-satiri gibi display kuralları gizlemeyi ezmesin */
.arac-ana { padding-bottom: 72px; }
.arac-not { font-size: 13.5px; color: var(--muted); margin: 10px 0 0; line-height: 1.55; }
.arac-not code, .arac-ana kbd { font: 12.5px var(--mono); background: var(--bg-alt); border: 1px solid var(--line); border-radius: 5px; padding: 0 5px; }
.dugme-satiri { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; }
.dugme-satiri button { min-height: 38px; padding: 8px 16px; font-size: 14px; }
@media (max-width: 480px) { .dugme-satiri button { flex: 1 1 auto; } }
input.hatali, textarea.hatali, select.hatali { border-color: var(--bad) !important; box-shadow: 0 0 0 3px color-mix(in srgb, var(--bad) 18%, transparent); }
input.hesaplanan { background: var(--accent-soft); font-weight: 600; }
.mono, input.mono, textarea.mono { font-family: var(--mono); }

/* sonuç kutusu */
.sonuc { background: var(--accent-soft); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin-top: 14px; }
.sonuc-ana { font: 700 clamp(22px, 5.5vw, 30px)/1.25 var(--mono); overflow-wrap: anywhere; }
.sonuc-alt { font-size: 13.5px; color: var(--muted); margin-top: 4px; overflow-wrap: anywhere; }
.sonuc.hata .sonuc-ana { color: var(--bad); font-size: 18px; font-family: var(--yazi); }

/* etiket: değer listesi (dar ekranda tek sütun) */
.degerler { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 8px 12px; margin: 14px 0 0; }
.degerler > div { background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 8px 12px; min-width: 0; }
.degerler dt { font-size: 12.5px; color: var(--muted); }
.degerler dd { margin: 2px 0 0; font: 600 15.5px/1.35 var(--mono); overflow-wrap: anywhere; }

/* tablo: dar ekranda her satır bir kart ("etiket: değer") */
.arac-tablo { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 12px; }
.arac-tablo th, .arac-tablo td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.arac-tablo th { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.arac-tablo td { font-family: var(--mono); }
.arac-tablo tr.secili td { background: var(--accent-soft); }
@media (max-width: 760px) {
  .arac-tablo, .arac-tablo tbody, .arac-tablo tr, .arac-tablo td { display: block; width: auto; }
  .arac-tablo thead { display: none; }
  .arac-tablo tr { border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; margin: 0 0 8px; }
  .arac-tablo td { border: 0; padding: 2px 0; overflow-wrap: anywhere; }
  .arac-tablo td::before { content: attr(data-etiket) ": "; font: 600 12.5px var(--yazi); color: var(--muted); }
}

/* ---------- kod alanları ---------- */
.kod-ikili { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
@media (max-width: 900px) { .kod-ikili { grid-template-columns: minmax(0, 1fr); } }
.kod-baslik { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.kod-baslik h3 { margin: 0; font-size: 14px; letter-spacing: .02em; }
.kod-baslik .dugme-satiri { margin: 0; }
textarea.kod, pre.kod {
  width: 100%; margin: 0; min-height: 360px; max-height: 70vh;
  font: 13.5px/1.55 var(--mono); tab-size: 4; -moz-tab-size: 4;
  background: var(--bg); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px;
  /* uzun satır sarılır: kod kutusunda da yana kayma yok */
  white-space: pre-wrap; overflow-wrap: anywhere; overflow-x: hidden; overflow-y: auto; resize: vertical;
}
pre.kod { resize: none; }
@media (max-width: 760px) {
  textarea.kod, pre.kod { min-height: 260px; font-size: 13px; }
  textarea.kod { font-size: 16px; }              /* 16 px altı giriş alanında iPhone yakınlaştırır */
}
/* sözdizimi renkleri (her temada okunur) */
.k-anahtar { color: #8250df; font-weight: 600; }
.k-tip { color: #0a6e7d; }
.k-sayi { color: #b35900; }
.k-metin { color: #0f7b35; }
.k-yorum { color: #6b7685; font-style: italic; }
.k-on { color: #a3266c; }
.k-fonk { color: #1d4ed8; }
@media (prefers-color-scheme: dark) {
  .k-anahtar { color: #c4a5ff; } .k-tip { color: #5ed4e6; } .k-sayi { color: #ffb86b; }
  .k-metin { color: #8ee09f; } .k-yorum { color: #8b97a8; } .k-on { color: #ff8fc7; } .k-fonk { color: #8ab4ff; }
}

/* ---------- bit ızgarası: her bayt bölünmeyen bir grup ---------- */
.bitler { display: flex; flex-wrap: wrap; gap: 10px 14px; margin-top: 14px; }
.bayt { display: flex; flex-direction: column; gap: 3px; }
.bayt-bitler { display: flex; gap: 3px; }
.bayt-etiket { font: 11px var(--mono); color: var(--muted); display: flex; justify-content: space-between; padding: 0 2px; }
button.bit {
  width: 30px; min-height: 36px; padding: 0; border-radius: 6px; font: 600 15px var(--mono);
  background: var(--bg); color: var(--muted); border: 1px solid var(--line);
}
button.bit[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button.bit:hover { border-color: var(--accent); filter: none; }
@media (max-width: 760px) { button.bit { width: 34px; min-height: 40px; } }

/* ---------- direnç renkleri ---------- */
.bant-satiri { margin-top: 12px; }
.bant-satiri .bant-ad { font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.renkler { display: flex; flex-wrap: wrap; gap: 6px; }
button.renk {
  min-height: 36px; padding: 4px 10px 4px 6px; display: inline-flex; align-items: center; gap: 7px;
  background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; font: 500 13px var(--yazi);
}
button.renk:hover { border-color: var(--accent); filter: none; }
button.renk[aria-pressed="true"] { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); font-weight: 700; }
button.renk .ornek { width: 20px; height: 20px; border-radius: 5px; border: 1px solid rgba(127, 127, 127, .55); flex: none; }
.direnc-cizim { width: 100%; max-width: 420px; height: auto; display: block; margin: 6px auto 0; }

/* ---------- seri monitör ---------- */
.monitor {
  margin: 0; min-height: 280px; height: 52vh; overflow-y: auto; overflow-x: hidden;
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px;
  font: 13px/1.5 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere;
}
.monitor .rx { color: var(--ink); }
.monitor .tx { color: var(--accent-2); }
.monitor .bilgi { color: var(--muted); font-style: italic; }
.monitor .hata { color: var(--bad); }
.monitor .zaman { color: var(--muted); }
.durum-isik { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; }
.durum-isik::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.durum-isik.bagli::before { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 25%, transparent); }
.sayaclar { display: flex; flex-wrap: wrap; gap: 6px 16px; font: 12.5px var(--mono); color: var(--muted); }
.makrolar { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.makrolar button { min-height: 34px; padding: 5px 12px; font-size: 13.5px; }
.makrolar .makro { display: inline-flex; gap: 2px; }

/* ---------- Modbus RTU Polling ---------- */
.mb-sorgu { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin: 0 0 14px; background: var(--bg); min-width: 0; }
.mb-sorgu-bas { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; }
.mb-sorgu-bas h3 { margin: 0; font-size: 16px; overflow-wrap: anywhere; }
.mb-ozet { font: 12.5px var(--mono); color: var(--muted); overflow-wrap: anywhere; }
.mb-durum { font-size: 13.5px; font-weight: 600; color: var(--muted); overflow-wrap: anywhere; }
.mb-durum.ok { color: var(--ok); }
.mb-durum.hata { color: var(--bad); }
.mb-sorgu .dugme-satiri { margin-top: 10px; }
.mb-ayar { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); }
.mb-hata:empty { display: none; }
.mb-hata { color: var(--bad); }
.mb-tablo td { vertical-align: middle; }
@media (min-width: 761px) {                     /* tablolar alt alta hizalı: sütunlar sabit oranda */
  .mb-tablo { table-layout: fixed; }
  .mb-tablo th:nth-child(1) { width: 26%; }
  .mb-tablo th:nth-child(2) { width: 40%; }
}
.mb-tablo .mb-ham { color: var(--muted); font-size: 12.5px; overflow-wrap: anywhere; }
.mb-deger { font: 600 14px/1.4 var(--mono); overflow-wrap: anywhere; }
button.mb-deger {
  min-height: 34px; max-width: 100%; padding: 4px 10px; text-align: left;
  background: transparent; color: var(--ink); border: 1px dashed var(--line); border-radius: 6px;
}
button.mb-deger:hover { border-color: var(--accent); color: var(--accent); filter: none; }
.mb-deger.acik { color: var(--ok); }
.mb-tablo.eski .mb-deger { opacity: .5; }
.mb-deger.degisti { animation: mb-yak .9s ease-out; }
@keyframes mb-yak { from { background: var(--accent-soft); } to { background: transparent; } }
@media (prefers-reduced-motion: reduce) { .mb-deger.degisti { animation: none; } }
.monitor.mb-trafik { height: 36vh; min-height: 220px; margin-top: 12px; }
@media (max-width: 760px) {
  .mb-tablo td { display: flex; flex-wrap: wrap; align-items: center; gap: 2px 8px; }
  .mb-tablo td::before { flex: 0 0 auto; }
  .mb-sorgu { padding: 12px; }
}

/* ---------- devre şemaları (elektronik hesaplayıcılar) ---------- */
.sembol-tanim { position: absolute; width: 0; height: 0; overflow: hidden; }
.arac-sekmeler button { display: inline-flex; align-items: center; justify-content: center; gap: 7px; }
.sekme-ikon { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.hesap { display: grid; gap: 12px 28px; grid-template-columns: minmax(0, 1fr); }
.hesap > .devre { margin: 0 auto; width: 100%; max-width: 360px; }
.hesap .aciklama { margin-top: 0; }
@media (min-width: 900px) {
  .hesap { grid-template-columns: minmax(0, 1fr) minmax(0, 340px); align-items: center; }
  .hesap > .devre { order: 2; }
}
.devre svg { display: block; width: 100%; height: auto; }
svg .d-t { fill: none; stroke: var(--muted); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
svg .d-p { fill: var(--d-dolgu, var(--panel)); stroke: var(--d-cizgi, var(--ink)); stroke-width: 1.8; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
/* <use> içine sayfa stili işlemez: renkler use öğesinden kalıtımla gelir (gövde: fill/stroke, uçlar: color) */
.devre use { fill: var(--panel); stroke: var(--ink); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; color: var(--muted); }
.devre use.d-sonuc { fill: var(--accent-soft); stroke: var(--accent); }
.d-soluk { opacity: .5; }
svg .d-nokta { fill: var(--muted); }
svg .d-uc { fill: var(--panel); stroke: var(--accent); stroke-width: 1.8; }
svg .d-ok { fill: var(--accent); }
svg .d-isik { fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; }
svg .d-dalga, svg .d-egri { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
svg .d-eksen { fill: none; stroke: var(--muted); stroke-width: 1.4; }
svg .d-kesik { fill: none; stroke: var(--muted); stroke-width: 1.2; stroke-dasharray: 4 3; }
svg .d-olcu { fill: none; stroke: var(--accent); stroke-width: 1.4; }
svg .d-kart { fill: var(--bg-alt); stroke: var(--line); stroke-width: 1.5; }
svg .d-bakir { fill: #c87533; stroke: #9a5520; stroke-width: 1; }
svg .d-tel { fill: none; stroke: #c87533; stroke-width: 3; stroke-linecap: round; }
svg .d-y, svg .d-k, svg .d-f, svg .d-pin { font-family: var(--mono); text-anchor: middle; }
svg .d-y, svg .d-k { fill: var(--ink); font-size: 14px; font-weight: 700; }
svg .d-f { fill: var(--muted); font-size: 12px; }
svg .d-pin { fill: var(--muted); font-size: 10.5px; }
svg .d-vurgu { fill: var(--accent); }
svg .d-sol { text-anchor: start; }
svg .d-sag { text-anchor: end; }
/* seçime göre şema: eleman türü, 555 çalışması, iz katmanı */
.sp-c, .sp-l, .t5-m, .iz-ic { display: none; }
#p-seri-paralel:has(#sp-c:checked) .sp-r, #p-seri-paralel:has(#sp-l:checked) .sp-r,
#p-555:has(#t5-monostabil:checked) .t5-a, #p-iz:has(#iz-ic:checked) .iz-dis { display: none; }
#p-seri-paralel:has(#sp-c:checked) .sp-c, #p-seri-paralel:has(#sp-l:checked) .sp-l,
#p-555:has(#t5-monostabil:checked) .t5-m, #p-iz:has(#iz-ic:checked) .iz-ic { display: inline; }
/* LED rengine göre Vf */
.led-renkler { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.led-renkler button { width: 40px; min-height: 34px; padding: 0; display: grid; place-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
.led-renkler button:hover { border-color: var(--accent); filter: none; }
.led-renkler .ornek { width: 18px; height: 18px; border-radius: 50%; border: 1px solid rgba(127, 127, 127, .6); }
.led-kirmizi { background: #e5322d; } .led-sari { background: #f2c518; } .led-yesil { background: #4cae3b; }
.led-mavi { background: #2f6fe0; } .led-beyaz { background: #fff; }