/* Packrob blokları. Renkler tema paletinden gelir; tema yoksa yedek değerler kullanılır. */
:root {
	--pr-navy: var(--wp--preset--color--navy, #1a2238);
	--pr-navy-deep: var(--wp--preset--color--navy-deep, #0f1526);
	--pr-orange: var(--wp--preset--color--orange, #d0520c);
	--pr-line: var(--wp--preset--color--line, #dde2ea);
	--pr-mist: var(--wp--preset--color--mist, #f3f5f8);
	--pr-steel: var(--wp--preset--color--steel, #5b6478);
	--pr-orange-text: var(--wp--preset--color--orange-text, #BD4A0B);
	--pr-on: #2fd36b; /* TIA online görünümündeki enerji yeşili */
	--pr-off: #5c7fb8;
	--pr-mono: var(--wp--preset--font-family--mono, ui-monospace, Consolas, monospace);
	--pr-head: var(--wp--preset--font-family--heading, system-ui, sans-serif);
}

.pr-icon { flex: none; vertical-align: -0.2em; }

/* ---------- Ladder simülatörü ---------- */
.pr-ladder { margin-block: 2rem; }
.pr-ladder__panel {
	background: var(--pr-navy-deep);
	border: 1px solid #263252;
	border-radius: 14px;
	color: #dbe3f1;
	overflow: hidden;
	box-shadow: 0 20px 50px -30px rgba(5, 10, 25, 0.8);
}
.pr-ladder__bar {
	display: flex; align-items: center; gap: 1rem;
	padding: 0.55rem 1rem;
	background: #141c33;
	border-bottom: 1px solid #263252;
	font: 600 0.78rem/1 var(--pr-mono);
	letter-spacing: 0.04em;
}
.pr-ladder__title { color: #9fb0cf; }
.pr-ladder__scan { margin-left: auto; color: #7d8db0; }
.pr-ladder__scan b { color: #dbe3f1; font-variant-numeric: tabular-nums; display: inline-block; min-width: 4ch; }
.pr-ladder__run { display: inline-flex; align-items: center; gap: 0.45rem; color: var(--pr-on); }
.pr-led { width: 9px; height: 9px; border-radius: 50%; background: #34405f; display: inline-block; }
.pr-led.is-on { background: var(--pr-on); box-shadow: 0 0 10px var(--pr-on); }

.pr-ladder__diagram {
	overflow-x: auto;
	padding: 0.5rem 0.25rem;
	background-image:
		linear-gradient(rgba(120, 140, 190, 0.07) 1px, transparent 1px),
		linear-gradient(90deg, rgba(120, 140, 190, 0.07) 1px, transparent 1px);
	background-size: 22px 22px;
}
.pr-ladder__svg { display: block; width: 100%; height: auto; }
.pr-ladder__svg text { font-family: var(--pr-mono); fill: #9fb0cf; }
.pr-ladder__svg .rung-title { font: 700 13px var(--pr-head); fill: #e7ecf6; letter-spacing: 0.01em; }
.pr-ladder__svg .rung-comment { font-size: 11.5px; fill: #7d8db0; font-family: var(--wp--preset--font-family--body, sans-serif); }
.pr-ladder__svg .rung-sep { stroke: #263252; stroke-width: 1; }
.pr-ladder__svg .op-addr { font-size: 10.5px; text-anchor: middle; fill: #7d8db0; }
.pr-ladder__svg .op-name { font-size: 11.5px; text-anchor: middle; fill: #dbe3f1; }
.pr-ladder__svg .rail { stroke: var(--pr-off); stroke-width: 4; }
.pr-ladder__svg .rail.on { stroke: var(--pr-on); }
.pr-ladder__svg .rail--r { stroke: #3b4a6e; }
.pr-ladder__svg .wire { stroke: var(--pr-off); stroke-width: 2.4; stroke-dasharray: 5 4; transition: stroke 0.12s; }
.pr-ladder__svg .wire.on {
	stroke: var(--pr-on);
	stroke-dasharray: 10 6;
	animation: pr-flow 0.6s linear infinite;
	filter: drop-shadow(0 0 3px rgba(47, 211, 107, 0.55));
}
.pr-ladder__svg .sym line,
.pr-ladder__svg .sym path { stroke: var(--pr-off); stroke-width: 2.6; fill: none; transition: stroke 0.12s; }
.pr-ladder__svg .sym.on line,
.pr-ladder__svg .sym.on path { stroke: var(--pr-on); filter: drop-shadow(0 0 4px rgba(47, 211, 107, 0.7)); }
.pr-ladder__svg .coil-letter { font: 700 12px var(--pr-mono); text-anchor: middle; fill: #9fb0cf; }
.pr-ladder__svg .sym.on .coil-letter { fill: var(--pr-on); }
@keyframes pr-flow { to { stroke-dashoffset: -16; } }

.pr-ladder__io {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
	gap: 1px;
	background: #263252;
	border-top: 1px solid #263252;
}
.pr-io {
	display: flex; align-items: center; gap: 0.75rem;
	padding: 0.75rem 1rem;
	background: #121a2f;
}
.pr-io__txt { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.pr-io__label { font-weight: 600; font-size: 0.9rem; color: #e7ecf6; }
.pr-io__addr { font: 0.75rem var(--pr-mono); color: #8a99bb; overflow-wrap: anywhere; }
.pr-io__val {
	margin-left: auto;
	font: 700 0.8rem var(--pr-mono);
	padding: 0.15rem 0.45rem; border-radius: 4px;
	background: #22304f; color: #9fb0cf;
}
.pr-io.is-true .pr-io__val { background: rgba(47, 211, 107, 0.16); color: var(--pr-on); }

/* Endüstriyel buton */
.pr-pb {
	--c: #2f9e55;
	flex: none; width: 46px; height: 46px; border-radius: 50%;
	border: 3px solid #3a4666;
	background: radial-gradient(circle at 35% 30%, color-mix(in srgb, var(--c) 70%, white), var(--c) 60%, color-mix(in srgb, var(--c) 70%, black));
	box-shadow: 0 4px 0 #0a0f1d, inset 0 -3px 6px rgba(0, 0, 0, 0.35);
	cursor: pointer; touch-action: none;
	transition: transform 0.06s, box-shadow 0.06s;
}
.pr-pb--stop { --c: #d23a2a; }
.pr-pb.is-pressed { transform: translateY(3px); box-shadow: 0 1px 0 #0a0f1d, inset 0 3px 8px rgba(0, 0, 0, 0.45); }
.pr-pb:focus-visible, .pr-sw:focus-visible { outline: 3px solid var(--pr-orange); outline-offset: 3px; }

.pr-sw {
	flex: none; width: 52px; height: 30px; border-radius: 15px; border: 0;
	background: #34405f; position: relative; cursor: pointer; touch-action: manipulation;
}
.pr-sw::before { content: ""; position: absolute; inset: -8px; } /* dokunma alanı 68 × 46 */
.pr-sw::after { content: ""; position: absolute; top: 3px; left: 3px; width: 24px; height: 24px; border-radius: 50%; background: #dbe3f1; transition: left 0.15s; }
.pr-sw[aria-checked="true"] { background: var(--pr-on); }
.pr-sw[aria-checked="true"]::after { left: 25px; }

.pr-lamp {
	flex: none; width: 26px; height: 26px; border-radius: 50%;
	background: #2a3350; border: 3px solid #3a4666;
}
.pr-io.is-true .pr-lamp { background: #ffb547; box-shadow: 0 0 16px #ffb547; }

.pr-motor { flex: none; width: 44px; height: 44px; }
.pr-motor svg { width: 100%; height: 100%; }
.pr-motor .m-case { fill: #1b2540; stroke: #3a4666; stroke-width: 2; }
.pr-motor .m-fan path { fill: #5c6a8f; }
.pr-motor .m-hub { fill: #9fb0cf; }
.pr-motor .m-fan { transform-origin: 20px 20px; }
.pr-io.is-true .pr-motor .m-fan { animation: pr-spin 0.5s linear infinite; }
.pr-io.is-true .pr-motor .m-fan path { fill: var(--pr-orange); }
.pr-io.is-true .pr-motor .m-case { stroke: var(--pr-on); }
@keyframes pr-spin { to { transform: rotate(360deg); } }

.pr-ladder__caption { margin-top: 0.6rem; font-size: 0.875rem; color: var(--pr-steel); text-align: center; }
.pr-ladder__fallback { padding: 1rem; }
.pr-ladder.is-compact .pr-ladder__io { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pr-ladder.is-compact .pr-io { flex-direction: column; text-align: center; gap: 0.4rem; padding: 0.7rem 0.5rem; }
.pr-ladder.is-compact .pr-io__val { margin-left: 0; }
.pr-ladder.is-compact .pr-io__addr { display: none; }

@media (prefers-reduced-motion: reduce) {
	.pr-ladder__svg .wire.on, .pr-io.is-true .pr-motor .m-fan { animation: none; }
}
/* Diyagram yatay kaydığında sağda/solda gölge (koyu zemin). */
.pr-ladder__diagram {
	-webkit-overflow-scrolling: touch; overscroll-behavior-x: contain;
	background:
		linear-gradient(90deg, var(--pr-navy-deep) 30%, rgba(15, 21, 38, 0)) left / 36px 100% no-repeat local,
		linear-gradient(270deg, var(--pr-navy-deep) 30%, rgba(15, 21, 38, 0)) right / 36px 100% no-repeat local,
		radial-gradient(farthest-side at 0 50%, rgba(0, 0, 0, 0.6), transparent) left / 14px 100% no-repeat scroll,
		radial-gradient(farthest-side at 100% 50%, rgba(0, 0, 0, 0.6), transparent) right / 14px 100% no-repeat scroll,
		linear-gradient(rgba(120, 140, 190, 0.07) 1px, transparent 1px) 0 0 / 22px 22px,
		linear-gradient(90deg, rgba(120, 140, 190, 0.07) 1px, transparent 1px) 0 0 / 22px 22px;
}
@media (max-width: 640px) {
	/* Ana sayfa önizlemesi (kompakt) %67'ye kadar küçülüp yazılar 9 px'e iniyordu. */
	.pr-ladder.is-compact .pr-ladder__svg { min-width: 430px; }
	.pr-ladder__bar { flex-wrap: wrap; gap: 0.4rem 1rem; }
	.pr-ladder.is-compact .pr-ladder__io { grid-template-columns: repeat(auto-fit, minmax(6.5rem, 1fr)); }
	.pr-io { padding: 0.7rem 0.85rem; }
}

/* ---------- Ders bilgi şeridi ---------- */
.pr-lesson-meta { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.pr-chip {
	display: inline-flex; align-items: center; gap: 0.35rem;
	padding: 0.3rem 0.7rem; border-radius: 999px;
	font: 600 0.82rem/1.2 var(--pr-head); letter-spacing: 0.01em;
	background: var(--pr-mist); color: var(--pr-navy);
	border: 1px solid var(--pr-line);
	text-decoration: none;
}
a.pr-chip:hover { border-color: var(--pr-orange); color: var(--pr-navy); }
.pr-chip--lesson { background: var(--pr-navy); color: #fff; border-color: var(--pr-navy); }
.pr-chip--lesson small { opacity: 0.7; font-weight: 500; font-size: 0.75rem; }
a.pr-chip { min-height: 32px; }
.pr-chip--plain { background: transparent; }
.pr-chip--member { background: #1a2238; border-color: #1a2238; color: #ffd2b5; font-size: 0.75rem; padding: 0.15rem 0.5rem; }
.pr-chip--member .pr-icon { width: 12px; height: 12px; }
.pr-chip--level { background: #fff4ec; border-color: #f6cfb5; color: #93390a; }
.pr-level-orta { background: #eaf3ff; border-color: #bed6f7; color: #1d4f91; }
.pr-level-ileri { background: #f0ecff; border-color: #d3c8fb; color: #4a2fa0; }
.pr-level-uzman { background: #1a2238; border-color: #1a2238; color: #ffb27d; }

/* ---------- Ders gezinme ---------- */
.pr-lesson-nav { margin-top: 3rem; display: grid; gap: 1.25rem; }
.pr-progress__head { display: flex; justify-content: space-between; font-size: 0.875rem; color: var(--pr-steel); margin-bottom: 0.4rem; }
.pr-progress__head b { color: var(--pr-navy); }
.pr-progress__track { height: 8px; border-radius: 99px; background: var(--pr-mist); overflow: hidden; border: 1px solid var(--pr-line); }
.pr-progress__track span { display: block; height: 100%; background: linear-gradient(90deg, var(--pr-orange), #f08a3c); border-radius: inherit; }
.pr-lesson-nav__links { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.pr-navcard {
	display: flex; flex-direction: column; gap: 0.35rem;
	padding: 1rem 1.15rem; border-radius: 12px;
	border: 1px solid var(--pr-line); background: #fff;
	text-decoration: none; color: var(--pr-navy);
	transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
a.pr-navcard:hover { border-color: var(--pr-orange); transform: translateY(-2px); box-shadow: 0 10px 24px -16px rgba(15, 21, 38, 0.4); }
.pr-navcard--next { text-align: right; align-items: flex-end; }
.pr-navcard__dir { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.8rem; color: var(--pr-steel); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.pr-navcard__title { font: 700 1.05rem/1.3 var(--pr-head); }
.pr-navcard--empty { color: var(--pr-steel); justify-content: center; border-style: dashed; }
.pr-navcard--soon { background: var(--pr-mist); border-style: dashed; text-align: right; align-items: flex-end; }
@media (max-width: 640px) { .pr-lesson-nav__links { grid-template-columns: 1fr; } .pr-navcard--next, .pr-navcard--soon { text-align: left; align-items: flex-start; } }

/* ---------- Müfredat ---------- */
.pr-curriculum { display: grid; gap: 0.75rem; }
.pr-module { border: 1px solid var(--pr-line); border-radius: 12px; background: #fff; overflow: hidden; }
.pr-module summary {
	display: flex; align-items: center; gap: 0.85rem;
	padding: 0.9rem 1.1rem; cursor: pointer; list-style: none;
}
.pr-module summary::-webkit-details-marker { display: none; }
.pr-module summary::after { content: ""; width: 9px; height: 9px; border-right: 2px solid var(--pr-steel); border-bottom: 2px solid var(--pr-steel); transform: rotate(45deg); margin-left: 0.25rem; transition: transform 0.2s; }
.pr-module[open] summary::after { transform: rotate(-135deg); }
.pr-module__idx { flex: none; white-space: nowrap; font: 700 0.85rem var(--pr-mono); color: var(--pr-orange-text); }
.pr-module__name { font: 700 1.05rem/1.3 var(--pr-head); color: var(--pr-navy); display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.pr-module__count { flex: none; white-space: nowrap; margin-left: auto; font: 600 0.8rem var(--pr-mono); color: var(--pr-steel); }
.pr-module__list { list-style: none; margin: 0; padding: 0 0 0.5rem; border-top: 1px solid var(--pr-line); }
.pr-lesson-item { display: flex; gap: 0.75rem; align-items: baseline; padding: 0.55rem 1.1rem; font-size: 0.95rem; }
.pr-lesson-item a { color: var(--pr-navy); text-decoration: none; }
@media (max-width: 781px), (pointer: coarse) {
	/* Satırın tamamı dokunma alanı olsun. */
	.pr-lesson-item { padding-block: 0; }
	.pr-lesson-item a { flex: 1; padding-block: 0.7rem; }
	.pr-lesson-item > span:not(.pr-lesson-item__no) { padding-block: 0.7rem; }
	.pr-module summary { min-height: 48px; }
}
.pr-lesson-item a:hover { color: var(--pr-orange); text-decoration: underline; }
.pr-lesson-item__no { flex: none; width: 2.2rem; font: 600 0.78rem var(--pr-mono); color: var(--pr-steel); }
.pr-lesson-item.is-current { background: #fff4ec; box-shadow: inset 3px 0 0 var(--pr-orange); }
.pr-lesson-item.is-current a { font-weight: 700; }
.pr-lesson-item.is-future, .pr-lesson-item.is-planned { color: var(--pr-steel); }
.pr-lesson-item.is-planned .pr-lesson-item__no { opacity: 0.6; }
.pr-curriculum__level {
	margin: 1.25rem 0 0.25rem !important; font-size: 0.82rem !important;
	font-family: var(--pr-mono) !important; letter-spacing: 0.12em; text-transform: uppercase;
	color: var(--pr-orange-text) !important;
}
.pr-curriculum__level:first-child { margin-top: 0 !important; }
.pr-module__goal { margin: 0; padding: 0.75rem 1.1rem; font-size: 0.9rem; color: var(--pr-steel); border-top: 1px solid var(--pr-line); background: var(--pr-mist); }
.pr-curriculum__all { font: 600 0.9rem var(--pr-head); color: var(--pr-navy); text-decoration: none; margin-top: 0.25rem; }
.pr-curriculum__all:hover { color: var(--pr-orange); }
.pr-soon { margin-left: 0.4rem; font-size: 0.75rem; padding: 0.1rem 0.45rem; border-radius: 99px; background: var(--pr-mist); border: 1px solid var(--pr-line); white-space: nowrap; }
.pr-curriculum.is-compact .pr-module summary { padding: 0.7rem 0.9rem; }
.pr-curriculum.is-compact .pr-module__name { font-size: 0.95rem; }
.pr-curriculum.is-compact .pr-lesson-item { font-size: 0.875rem; padding: 0.45rem 0.9rem; }

/* ---------- Uygulama kutusu ---------- */
.pr-appbox { border: 1px solid var(--pr-line); border-radius: 14px; padding: 1.25rem; background: #fff; display: grid; gap: 1.1rem; }
.pr-appbox__meta { margin: 0; display: grid; gap: 0.6rem; }
.pr-appbox__meta div { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.25rem 1rem; border-bottom: 1px dashed var(--pr-line); padding-bottom: 0.5rem; }
.pr-appbox__meta dt { color: var(--pr-steel); font-size: 0.9rem; }
.pr-appbox__meta dd { margin: 0; font-weight: 600; color: var(--pr-navy); text-align: right; }
.pr-appbox__actions { display: grid; gap: 0.6rem; }
.pr-btn {
	display: inline-flex; justify-content: center; align-items: center; gap: 0.5rem;
	padding: 0.75rem 1.1rem; border-radius: 8px;
	font: 700 1rem var(--pr-head); text-decoration: none;
	border: 2px solid var(--pr-orange);
	transition: background 0.15s, color 0.15s;
}
.pr-btn--primary { background: var(--pr-orange); color: #fff; }
.pr-btn--primary:hover { background: #a8410a; border-color: #a8410a; color: #fff; }
.pr-btn--ghost { background: transparent; color: var(--pr-navy); border-color: var(--pr-line); }
.pr-btn--ghost:hover { border-color: var(--pr-orange); color: var(--pr-navy); }
.pr-empty { color: var(--pr-steel); }

/* ---------- Modül sınavı ---------- */
.pr-quiz { margin-block: 2rem; }
.pr-quiz__facts { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; list-style: none; margin: 0 0 1.5rem; padding: 1rem 1.25rem; border: 1px solid var(--pr-line); border-radius: 10px; background: var(--pr-mist); }
.pr-quiz__facts li { display: flex; align-items: center; gap: 0.4rem; color: var(--pr-navy); }
.pr-quiz__part { margin-block: 2rem; }
.pr-quiz__title { margin: 0 0 0.5rem; font-family: var(--pr-head); }
.pr-quiz__lead { color: var(--pr-steel); margin: 0 0 1rem; }
.pr-quiz__list { margin: 0; padding: 0; list-style: none; counter-reset: prq; display: grid; gap: 1.5rem; }
.pr-quiz__q legend::before { counter-increment: prq; content: counter(prq) ". "; color: var(--pr-orange-text); }
.pr-quiz__q fieldset { border: 0; margin: 0; padding: 0; }
.pr-quiz__q legend { font-weight: 600; color: var(--pr-navy); margin-bottom: 0.5rem; padding: 0; }
.pr-quiz__opt { display: flex; gap: 0.6rem; align-items: flex-start; padding: 0.55rem 0.75rem; margin-top: 0.4rem; border: 1px solid var(--pr-line); border-radius: 8px; cursor: pointer; background: #fff; }
.pr-quiz__opt:hover { border-color: var(--pr-steel); }
.pr-quiz__opt input { flex: none; width: 1.2rem; height: 1.2rem; margin: 0.15rem 0 0; accent-color: var(--pr-orange); }
@media (max-width: 781px), (pointer: coarse) { .pr-quiz__opt { padding: 0.8rem 0.85rem; min-height: 48px; } .pr-quiz__btn { min-height: 48px; } }
@media (max-width: 480px) { .pr-quiz__actions .pr-quiz__btn { flex: 1 1 100%; } .pr-quiz__locked { flex-direction: column; } }
.pr-quiz__opt:has(input:checked) { border-color: var(--pr-orange); background: #fff7f2; }
.pr-quiz__q.is-wrong .pr-quiz__opt:has(input:checked) { border-color: #c0392b; background: #fdf0ee; }
.pr-quiz__opt.is-answer, .pr-quiz__opt.is-answer:has(input:checked) { border-color: #1f8a4c; background: #eef9f2; }
.pr-quiz__feedback { margin-top: 0.6rem; padding: 0.6rem 0.8rem; border-left: 3px solid var(--pr-line); background: var(--pr-mist); font-size: 0.95rem; }
.pr-quiz__q.is-right .pr-quiz__feedback { border-left-color: #1f8a4c; }
.pr-quiz__q.is-wrong .pr-quiz__feedback { border-left-color: #c0392b; }
.pr-quiz__ref { display: block; margin-top: 0.25rem; color: var(--pr-steel); font-size: 0.875rem; }
.pr-quiz__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; margin-top: 1.25rem; }
.pr-quiz__btn { font: inherit; font-weight: 600; padding: 0.65rem 1.2rem; border-radius: 8px; border: 2px solid var(--pr-orange-text); background: var(--pr-orange-text); color: #fff; cursor: pointer; }
.pr-quiz__btn:hover { filter: brightness(1.08); }
.pr-quiz__btn:disabled { opacity: 0.55; cursor: not-allowed; }
.pr-quiz__btn--ghost { background: transparent; color: var(--pr-orange-text); }
.pr-quiz__btn:focus-visible, .pr-quiz__opt:focus-within { outline: 3px solid var(--pr-orange); outline-offset: 2px; }
.pr-quiz__result { margin: 0; font-weight: 600; color: var(--pr-navy); }
.pr-quiz__timer { position: sticky; top: 0.5rem; z-index: 2; display: inline-block; margin-bottom: 1rem; padding: 0.4rem 0.9rem; border-radius: 999px; background: var(--pr-navy); color: #fff; font-family: var(--pr-mono); }
.pr-quiz__timer.is-low { background: #c0392b; }
.pr-quiz__locked { display: flex; gap: 0.9rem; align-items: flex-start; padding: 1.1rem 1.25rem; border: 1px dashed var(--pr-steel); border-radius: 10px; background: var(--pr-mist); }
.pr-quiz__locked p { margin: 0 0 0.4rem; }
.pr-quiz__report { margin-top: 1rem; padding: 1.1rem 1.25rem; border: 1px solid var(--pr-line); border-radius: 10px; }
.pr-quiz__score { font-size: 1.15rem; font-weight: 700; margin: 0 0 0.75rem; }
.pr-quiz__score.is-pass { color: #1f8a4c; }
.pr-quiz__score.is-fail { color: #c0392b; }