/*
Parça Bulucu — Diyagram sayfası (single-dga_model.php).
Kaynak: 01-TASARIM-SISTEMI.md §6 (dgaPulse keyframe, birebir), §4 (radius hiyerarşisi —
hotspot/zoom daire = --radius-icon), §10 (erişilebilirlik — dokunma hedefi ≥44px, focus halkası).
Token kullanımı zorunlu — ham hex/px yok (yalnızca keyframe'in kendi rgba() gölge değerleri,
01-TASARIM-SISTEMI.md §6'daki tanımla birebir olduğu için ham bırakıldı).
*/

/* ---------- Hotspot pulse — 01-TASARIM-SISTEMI.md §6, birebir ---------- */
@keyframes dgaPulse {
	0%   { box-shadow: 0 0 0 0 rgba(198,33,59,.55); }
	70%  { box-shadow: 0 0 0 14px rgba(198,33,59,0); }
	100% { box-shadow: 0 0 0 0 rgba(198,33,59,0); }
}

/* ---------- Sayfa başlığı ---------- */
.dga-diagram-page {
	padding-block: var(--space-4) var(--space-8);
}

/* Koyu "hero" şeridi — 3c/5g mockup: kicker+başlık+özet+model sekmeleri koyu zemin (#1c1b1b)
   üzerinde, altındaki iki kolonlu (diyagram/parça listesi) beyaz zeminden ayrışır.
   --color-surface-dark sitede zaten yerleşik "koyu bölüm" token'ı (bkz. anasayfa.css, product-card-spec.css). */
.dga-diagram-page__header {
	max-width: var(--content-max);
	margin-bottom: var(--space-1);
	background: var(--color-surface-dark);
	color: var(--color-surface);
	padding: var(--space-4) var(--space-3);
	border-radius: var(--radius-tab);
}
.dga-diagram-page__kicker {
	color: color-mix(in srgb, var(--color-primary) 55%, var(--color-surface) 45%);
	display: block;
	margin-bottom: var(--space-1);
}
.dga-diagram-page__title {
	margin-bottom: var(--space-1);
	color: var(--color-surface);
}
.dga-diagram-page__summary {
	color: color-mix(in srgb, var(--color-surface) 70%, transparent);
	font-size: 16px;
	max-width: 640px;
}

/* ---------- Model sekmeleri (köşeli — --radius-tab) — aynı koyu şeridin devamı ---------- */
.dga-diagram-tabs {
	display: block;
	max-width: var(--content-max);
	background: var(--color-surface-dark);
	border-radius: var(--radius-tab);
	padding: var(--space-2) var(--space-3);
	margin-bottom: var(--space-3);
}
.dga-diagram-tabs__list {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-1);
	margin: 0;
	padding: 0;
	list-style: none;
}
.dga-diagram-tabs__tab {
	display: inline-flex;
	align-items: center;
	min-height: 44px;
	padding: var(--space-1) var(--space-3);
	border: 1px solid transparent;
	border-radius: var(--radius-tab);
	background: color-mix(in srgb, var(--color-surface) 12%, transparent);
	color: color-mix(in srgb, var(--color-surface) 82%, transparent);
	font-weight: 600;
	font-size: 14px;
	text-decoration: none;
	transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}
.dga-diagram-tabs__tab:hover {
	background: color-mix(in srgb, var(--color-surface) 20%, transparent);
	color: var(--color-surface);
}
.dga-diagram-tabs__tab.is-active {
	background: var(--color-surface);
	border-color: var(--color-surface);
	color: var(--color-text);
	font-weight: 700;
}

/* ---------- İki kolon düzen: sol diyagram / sağ parça listesi ---------- */
.dga-diagram-layout {
	display: grid;
	grid-template-columns: 1.6fr 1fr;
	gap: var(--space-4);
	align-items: start;
}
@media (max-width: 1023.98px) {
	.dga-diagram-layout {
		grid-template-columns: 1fr;
	}
}

/* ---------- Sol: diyagram sahnesi ---------- */
.dga-diagram-stage {
	position: relative;
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-tab);
	overflow: hidden;
	aspect-ratio: 4 / 3;
	/* Native pinch/double-tap zoom kapalı, tek parmak kaydırma açık — JS kendi pinch'ini yönetir. */
	touch-action: pan-x pan-y;
}

.dga-diagram-stage__zoom-wrap {
	position: absolute;
	inset: 0;
	transform-origin: center center;
	transition: transform 0.15s ease-out;
	will-change: transform;
}

.dga-diagram-stage__image {
	width: 100%;
	height: 100%;
	object-fit: contain;
	background: var(--color-surface-alt);
}
.dga-diagram-stage__placeholder {
	width: 100%;
	height: 100%;
	background: var(--color-surface-alt);
}

/* ---------- Hotspot butonları ---------- */
.dga-diagram__hotspot {
	position: absolute;
	transform: translate(-50%, -50%);
	width: 36px;
	height: 36px;
	min-width: 36px;
	min-height: 36px;
	border-radius: var(--radius-icon);
	border: 2px solid var(--color-text);
	background: var(--color-surface);
	color: var(--color-text);
	font-family: var(--font-mono);
	font-weight: 700;
	font-size: 14px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	padding: 0;
	line-height: 1;
	transition: background-color var(--transition), transform var(--transition);
	z-index: 1;
}
.dga-diagram__hotspot:hover {
	transform: translate(-50%, -50%) scale(1.08);
}
.dga-diagram__hotspot.is-active {
	background: var(--color-primary);
	border-color: var(--color-surface);
	color: var(--color-surface);
	animation: dgaPulse 1.8s infinite;
	z-index: 2;
}

@media (prefers-reduced-motion: reduce) {
	.dga-diagram__hotspot.is-active {
		animation: none;
	}
}

/* Dokunma hedefi ≥44px — 01-TASARIM-SISTEMI.md §10 / WCAG 2.5.8. Görsel daire 36px kalır
   (mockup ölçüsü), tıklanabilir alan ::after ile 44px'e genişletilir. */
.dga-diagram__hotspot::after {
	content: "";
	position: absolute;
	inset: -4px;
	min-width: 44px;
	min-height: 44px;
}

/* ---------- Zoom kontrolleri (koyu sahne üstünde daire buton) ---------- */
.dga-diagram-stage__zoom-controls {
	position: absolute;
	left: var(--space-2);
	bottom: var(--space-2);
	display: flex;
	gap: var(--space-1);
	z-index: 3;
}

/* ---------- Sağ: parça listesi paneli ---------- */
.dga-diagram-parts {
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-tab);
	padding: var(--space-3);
	min-height: 240px;
}
.dga-diagram-parts__title {
	font-family: var(--font-mono);
	font-size: 13px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--color-text-muted);
	margin: 0 0 var(--space-2);
	padding-bottom: var(--space-1);
	border-bottom: 1px solid var(--color-border);
}
.dga-diagram-parts__empty {
	color: var(--color-text-faint);
	font-size: 14px;
}

.dga-diagram-parts__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: var(--space-2);
}
.dga-diagram-parts__row {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	padding-bottom: var(--space-2);
	border-bottom: 1px solid var(--color-border);
}
.dga-diagram-parts__row:last-child {
	border-bottom: none;
	padding-bottom: 0;
}
.dga-diagram-parts__media {
	flex: none;
	width: 56px;
	height: 56px;
	border-radius: var(--radius-tab);
	overflow: hidden;
	background: var(--color-surface-alt);
}
.dga-diagram-parts__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.dga-diagram-parts__body {
	flex: 1 1 auto;
	min-width: 0;
	display: flex;
	flex-direction: column;
	gap: 2px;
}
.dga-diagram-parts__name {
	font-size: 14px;
	font-weight: 700;
	color: var(--color-text);
	text-decoration: none;
}
.dga-diagram-parts__name:hover {
	text-decoration: underline;
}
.dga-diagram-parts__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--space-1);
	font-size: 12px;
}
.dga-diagram-parts__sku {
	color: var(--color-text-muted);
}
.dga-diagram-parts__stock--in {
	color: var(--color-stock);
	font-weight: 600;
}
.dga-diagram-parts__stock--out {
	color: var(--color-primary);
	font-weight: 600;
}
.dga-diagram-parts__stock--backorder {
	color: var(--ink-500);
	font-weight: 600;
}
.dga-diagram-parts__price {
	font-size: 14px;
	font-weight: 800;
}
.dga-diagram-parts__price del {
	margin-right: 4px;
	font-size: 11px;
	font-weight: 400;
	color: var(--color-text-faint);
	text-decoration: line-through;
}

.dga-diagram-parts__add {
	flex: none;
	width: 36px;
	height: 36px;
	/* buildPlusIcon() DOM API ile <button> içine basılan bir SVG'dir; buton native
	   <button type="button"> olduğu için ekstra bir stil sıfırlamaya gerek yok. */
}
.dga-diagram-parts__add svg {
	width: 16px;
	height: 16px;
}
.dga-diagram-parts__add.is-loading,
.dga-diagram-parts__add:disabled {
	cursor: not-allowed;
	opacity: 0.6;
}

/* ---------- Sepete ekleme durum bildirimi (role="status" aria-live="polite") ---------- */
.dga-diagram-parts__status {
	margin: 0 0 var(--space-2);
	font-size: 13px;
	font-weight: 600;
	color: var(--color-text-muted);
}
.dga-diagram-parts__status[hidden] {
	display: none;
}

/* ---------- Alt şerit: 3 adım ---------- */
.dga-diagram-steps {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-4);
	margin: var(--space-4) 0 0;
	padding: var(--space-3) 0 0;
	border-top: 1px solid var(--color-border);
	list-style: none;
	color: var(--color-text-muted);
	font-size: 14px;
}
/* Sağa yaslı güven notu — 3c mockup ("tüm parçalar orijinal · stoktan aynı gün kargo") */
.dga-diagram-steps__note {
	margin-left: auto;
	font-size: 11.5px;
	color: var(--color-text-faint);
}
@media (max-width: 767.98px) {
	.dga-diagram-steps__note {
		margin-left: 0;
	}
}

.dga-diagram-steps__num {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 22px;
	height: 22px;
	margin-right: var(--space-1);
	border-radius: var(--radius-icon);
	background: var(--color-text);
	color: var(--color-surface);
	font-family: var(--font-mono);
	font-size: 12px;
	font-weight: 700;
}

/* ---------- Destek hattı linki ---------- */
.dga-diagram-support {
	margin-top: var(--space-3);
	font-size: 14px;
	color: var(--color-text-muted);
}
.dga-diagram-support a {
	color: var(--color-primary);
	font-weight: 700;
	text-decoration: none;
}
.dga-diagram-support a:hover {
	text-decoration: underline;
}

/* ---------- Mobil (5g) — dikey stack, pinch-zoom alanı sahne olarak kalır ---------- */
@media (max-width: 767.98px) {
	.dga-diagram-stage {
		aspect-ratio: 1 / 1;
	}
	.dga-diagram-parts {
		min-height: 0;
	}
	.dga-diagram-steps {
		flex-direction: column;
		gap: var(--space-1);
	}

	/* Model sekmeleri mobilde sarmalanmaz, yatay kaydırılır (5g mockup — tek satır, overflow-x) */
	.dga-diagram-tabs {
		padding: var(--space-2);
		overflow-x: auto;
		-webkit-overflow-scrolling: touch;
	}
	.dga-diagram-tabs__list {
		flex-wrap: nowrap;
		width: max-content;
	}
}