/* Tek-Isı – Hesaplayıcılar ortak stil */
.tekisi-hc {
	--tekisi-ana: #c62828;
	--tekisi-metin: #1f2328;
	--tekisi-soluk: #5f6b76;
	--tekisi-cizgi: #d9dee3;
	--tekisi-zemin: #ffffff;
	--tekisi-zemin2: #f5f7f9;
	box-sizing: border-box;
	max-width: 640px;
	margin: 1.5em auto;
	padding: 24px;
	border: 1px solid var(--tekisi-cizgi);
	border-top: 4px solid var(--tekisi-ana);
	border-radius: 10px;
	background: var(--tekisi-zemin);
	color: var(--tekisi-metin);
	font-family: inherit;
	line-height: 1.45;
}
.tekisi-hc *, .tekisi-hc *::before, .tekisi-hc *::after { box-sizing: inherit; }

.tekisi-hc__baslik { margin: 0 0 4px; font-size: 1.3em; line-height: 1.25; color: var(--tekisi-metin); }
.tekisi-hc__aciklama { margin: 0 0 18px; color: var(--tekisi-soluk); font-size: .92em; }

.tekisi-hc__sekme { display: flex; gap: 4px; padding: 4px; margin-bottom: 14px; background: var(--tekisi-zemin2); border-radius: 8px; }
.tekisi-hc__sekme button {
	flex: 1; padding: 9px 12px; border: 0; border-radius: 6px; cursor: pointer;
	background: transparent; color: var(--tekisi-soluk); font: inherit; font-weight: 600;
}
.tekisi-hc__sekme button[aria-selected="true"] { background: var(--tekisi-ana); color: #fff; }

.tekisi-hc__baglanti { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-bottom: 14px; font-size: .95em; }
.tekisi-hc__baglanti[hidden] { display: none; }
.tekisi-hc [hidden] { display: none !important; }
.tekisi-hc__baglanti label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.tekisi-hc__baglanti input { accent-color: var(--tekisi-ana); }
.tekisi-hc__etiket { color: var(--tekisi-soluk); font-weight: 600; }

.tekisi-hc__alanlar { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 520px) { .tekisi-hc { padding: 16px; } .tekisi-hc__alanlar { grid-template-columns: 1fr; } }

.tekisi-hc__alan { min-width: 0; }
.tekisi-hc__giris input { width: 100%; }
.tekisi-hc__alan label { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 5px; font-weight: 600; font-size: .95em; }
.tekisi-hc__alt { color: var(--tekisi-soluk); font-weight: 400; font-size: .85em; }
.tekisi-hc__giris {
	display: flex; align-items: stretch; border: 1px solid var(--tekisi-cizgi); border-radius: 7px;
	background: var(--tekisi-zemin); overflow: hidden; transition: border-color .15s, box-shadow .15s;
}
.tekisi-hc__giris:focus-within { border-color: var(--tekisi-ana); box-shadow: 0 0 0 3px color-mix(in srgb, var(--tekisi-ana) 18%, transparent); }
.tekisi-hc__giris input {
	flex: 1; min-width: 0; padding: 10px 12px; border: 0 !important; outline: 0; box-shadow: none !important;
	background: transparent; color: inherit; font: inherit; font-size: 1.05em; font-variant-numeric: tabular-nums;
	margin: 0; height: auto;
}
.tekisi-hc__birim, .tekisi-hc__giris select {
	display: flex; align-items: center; padding: 0 12px; background: var(--tekisi-zemin2);
	border: 0; border-left: 1px solid var(--tekisi-cizgi); color: var(--tekisi-soluk); font: inherit; font-weight: 600; margin: 0;
}
.tekisi-hc__giris select { cursor: pointer; width: auto; height: auto; }

.tekisi-hc__alan.is-girdi .tekisi-hc__giris { border-color: var(--tekisi-ana); }
.tekisi-hc__alan.is-hesap .tekisi-hc__giris { background: color-mix(in srgb, var(--tekisi-ana) 6%, var(--tekisi-zemin)); }
.tekisi-hc__alan.is-hesap input { color: var(--tekisi-ana); font-weight: 700; }

.tekisi-hc__hizli { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; }
.tekisi-hc__hizli button {
	padding: 3px 9px; border: 1px solid var(--tekisi-cizgi); border-radius: 999px; background: var(--tekisi-zemin);
	color: var(--tekisi-soluk); font: inherit; font-size: .8em; cursor: pointer; line-height: 1.5;
}
.tekisi-hc__hizli button:hover { border-color: var(--tekisi-ana); color: var(--tekisi-ana); }

.tekisi-hc__mesaj { min-height: 1.4em; margin: 12px 0 0; font-size: .9em; color: var(--tekisi-soluk); }
.tekisi-hc__mesaj.is-hata { color: #b3261e; }

.tekisi-hc__sonuc { margin-top: 8px; padding: 16px; border-radius: 8px; background: var(--tekisi-zemin2); }
.tekisi-hc__sonuc[hidden] { display: none; }
.tekisi-hc__sonuc-baslik { margin-bottom: 8px; font-weight: 700; font-size: .85em; letter-spacing: .04em; text-transform: uppercase; color: var(--tekisi-soluk); }
.tekisi-hc__tablo { display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; margin: 0; }
.tekisi-hc__tablo dt { margin: 0; color: var(--tekisi-soluk); font-weight: 400; }
.tekisi-hc__tablo dd { margin: 0; text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.tekisi-hc__formul { margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--tekisi-cizgi); font-size: .85em; color: var(--tekisi-soluk); }
.tekisi-hc__formul[hidden] { display: none; }

.tekisi-hc__aksiyon { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.tekisi-hc__temizle, .tekisi-hc__teklif {
	display: inline-flex; align-items: center; justify-content: center; padding: 10px 18px; border-radius: 7px;
	font: inherit; font-weight: 600; text-decoration: none !important; cursor: pointer; line-height: 1.3;
}
.tekisi-hc__temizle { border: 1px solid var(--tekisi-cizgi); background: var(--tekisi-zemin); color: var(--tekisi-metin); }
.tekisi-hc__temizle:hover { border-color: var(--tekisi-soluk); }
.tekisi-hc__teklif { flex: 1; border: 0; background: var(--tekisi-ana); color: #fff !important; }
.tekisi-hc__teklif:hover { filter: brightness(1.08); }
.tekisi-hc__teklif[hidden] { display: none; }

.tekisi-hc__uyari { margin: 14px 0 0; font-size: .8em; color: var(--tekisi-soluk); }

/* ---------- Watt yoğunluğu ---------- */
.tekisi-wy__tipler { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 6px; margin-bottom: 14px; }
.tekisi-wy__tipler button {
	padding: 9px 10px; border: 1px solid var(--tekisi-cizgi); border-radius: 7px; cursor: pointer;
	background: var(--tekisi-zemin); color: var(--tekisi-metin); font: inherit; font-size: .9em; font-weight: 600; line-height: 1.25;
}
.tekisi-wy__tipler button:hover { border-color: var(--tekisi-ana); }
.tekisi-wy__tipler button[aria-selected="true"] { background: var(--tekisi-ana); border-color: var(--tekisi-ana); color: #fff; }

.tekisi-wy__sema { margin: 0 0 14px; padding: 10px; border-radius: 8px; background: var(--tekisi-zemin2); color: var(--tekisi-soluk); }
.tekisi-wy__sema-svg { display: block; width: 100%; max-width: 420px; height: auto; margin: 0 auto; overflow: visible; }
.tekisi-wy__sema-svg text { font: 600 11px/1 system-ui, sans-serif; fill: currentColor; text-anchor: middle; }
.tekisi-wy__sema-svg text.k { font-weight: 400; font-size: 10px; }
.tekisi-wy__sema-svg text.a { fill: var(--tekisi-ana); }
.tekisi-wy__sema-svg .c { fill: none; stroke: currentColor; stroke-width: 1.5; }
.tekisi-wy__sema-svg .ince { stroke-width: 1; opacity: .55; }
.tekisi-wy__sema-svg .g, .tekisi-wy__sema-svg .gz { fill: var(--tekisi-cizgi); }
.tekisi-wy__sema-svg .h { fill: color-mix(in srgb, var(--tekisi-ana) 18%, transparent); }
.tekisi-wy__sema-svg .o { stroke: currentColor; stroke-width: 1; }
.tekisi-wy__sema-svg .t { fill: none; stroke: color-mix(in srgb, var(--tekisi-ana) 30%, transparent); stroke-width: 12; }
.tekisi-wy__sema-svg .tg { fill: none; stroke: var(--tekisi-cizgi); stroke-width: 12; }
.tekisi-wy__sema-svg .tc { fill: none; stroke: currentColor; stroke-width: 1; opacity: .5; }
.tekisi-wy__sema-svg .r { fill: none; stroke: color-mix(in srgb, var(--tekisi-ana) 35%, transparent); stroke-width: 12; }

.tekisi-wy__uyg { margin-bottom: 14px; }
.tekisi-wy__uyg[hidden] { display: none; }
.tekisi-wy__uyg label { display: block; margin-bottom: 5px; font-weight: 600; font-size: .95em; }
.tekisi-wy__uyg select {
	flex: 1; width: 100%; padding: 10px 12px; border: 0 !important; background: transparent; color: inherit;
	font: inherit; cursor: pointer; margin: 0; height: auto; box-shadow: none !important; outline: 0;
}
.tekisi-wy__ipucu { margin-top: 5px; font-size: .8em; color: var(--tekisi-soluk); }

.tekisi-wy__ana { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin-bottom: 10px; }
.tekisi-wy__deger { display: flex; align-items: baseline; gap: 6px; }
.tekisi-wy__sayi { font-size: 2.1em; font-weight: 800; line-height: 1; color: var(--tekisi-metin); font-variant-numeric: tabular-nums; }
.tekisi-wy__birim { font-weight: 700; color: var(--tekisi-soluk); }
.tekisi-wy__ikincil { color: var(--tekisi-soluk); font-size: .9em; }
.tekisi-wy__rozet { padding: 4px 10px; border-radius: 999px; font-size: .82em; font-weight: 700; align-self: center; }
.tekisi-wy__rozet.is-uygun { background: #e3f2e5; color: #1b5e20; }
.tekisi-wy__rozet.is-sinir { background: #fff1d6; color: #7a4a00; }
.tekisi-wy__rozet.is-yuksek { background: #fde3e1; color: #a1170f; }

.tekisi-wy__gosterge { margin: 4px 0 18px; }
.tekisi-wy__gosterge[hidden] { display: none; }
.tekisi-wy__serit { position: relative; display: flex; height: 10px; border-radius: 999px; overflow: visible; }
.tekisi-wy__serit > span { display: block; height: 100%; }
.tekisi-wy__serit > span:first-child { border-radius: 999px 0 0 999px; }
.tekisi-wy__serit > span:nth-child(3) { border-radius: 0 999px 999px 0; }
.tekisi-wy__serit .is-uygun { background: #43a047; }
.tekisi-wy__serit .is-sinir { background: #f5a623; }
.tekisi-wy__serit .is-yuksek { background: #e53935; }
.tekisi-wy__isaret {
	position: absolute; top: -5px; width: 4px; height: 20px; margin-left: -2px; border-radius: 2px;
	background: var(--tekisi-metin); box-shadow: 0 0 0 2px var(--tekisi-zemin2);
}
.tekisi-wy__olcek { position: relative; height: 16px; margin-top: 4px; font-size: .75em; color: var(--tekisi-soluk); font-variant-numeric: tabular-nums; }
.tekisi-wy__olcek span { position: absolute; transform: translateX(-50%); white-space: nowrap; }
.tekisi-wy__olcek span:first-child { transform: none; }
.tekisi-hc__tablo .is-vurgu { color: var(--tekisi-metin); font-weight: 700; }

/* ---------- Sıvı ısıtma ---------- */
.tekisi-sv__grup { margin: 0 0 14px; padding: 12px 14px 14px; border: 1px solid var(--tekisi-cizgi); border-radius: 8px; min-width: 0; }
.tekisi-sv__grup legend { padding: 0 6px; font-size: .8em; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--tekisi-soluk); }
.tekisi-sv__genis { grid-column: 1 / -1; }
.tekisi-sv__secim select, .tekisi-hc__alan .tekisi-hc__giris select:only-child {
	flex: 1; width: 100%; padding: 10px 12px; border: 0 !important; border-left: 0; background: transparent; color: inherit;
	font: inherit; font-weight: 400; cursor: pointer; margin: 0; height: auto; box-shadow: none !important; outline: 0;
}
.tekisi-sv .tekisi-hc__sekme button { font-size: .88em; line-height: 1.25; }
.tekisi-hc__mesaj.is-uyari { color: #7a4a00; background: #fff1d6; padding: 8px 10px; border-radius: 6px; margin-bottom: 8px; }

/* ---------- Sonuç tablosu (ör. standart tel çapları) ---------- */
.tekisi-hc__liste-kutu { margin-top: 14px; }
.tekisi-hc__liste-baslik { margin-bottom: 6px; font-weight: 700; font-size: .85em; color: var(--tekisi-soluk); }
.tekisi-hc__liste-kaydir { overflow-x: auto; border: 1px solid var(--tekisi-cizgi); border-radius: 6px; background: var(--tekisi-zemin); }
.tekisi-hc__liste { width: 100%; border-collapse: collapse; margin: 0; font-size: .88em; font-variant-numeric: tabular-nums; }
.tekisi-hc__liste th, .tekisi-hc__liste td { padding: 6px 10px; border: 0; border-bottom: 1px solid var(--tekisi-cizgi); text-align: right; white-space: nowrap; }
.tekisi-hc__liste th:first-child, .tekisi-hc__liste td:first-child { text-align: left; }
.tekisi-hc__liste th { background: var(--tekisi-zemin2); color: var(--tekisi-soluk); font-weight: 600; }
.tekisi-hc__liste tr:last-child td { border-bottom: 0; }
.tekisi-hc__liste tr.is-uygun td:last-child { color: #1b5e20; font-weight: 700; }
.tekisi-hc__liste tr.is-sinir td:last-child { color: #7a4a00; font-weight: 700; }
.tekisi-hc__liste tr.is-yuksek td { color: #a1170f; }
.tekisi-hc__liste tr.is-uygun { background: #f1f8f2; }
.tekisi-hc__liste tr.is-secili td { font-weight: 800; }
.tekisi-hc__liste tr.is-secili td:first-child { box-shadow: inset 3px 0 0 var(--tekisi-ana); }