/* ฝึกแปลไทยเป็นมคธ ป.ธ.๔ — คู่มือวัดพระเชตุพน */

@font-face {
	font-family: 'THSarabunPali';
	src: url('/assets/fonts/THSarabunPali.ttf') format('truetype');
	font-display: swap;
}

[v-cloak] { display: none; }

:root {
	--pt-paper:      #f6f4ee;
	--pt-card:       #ffffff;
	--pt-ink:        #1f2a2c;
	--pt-ink-soft:   #52605f;
	--pt-ink-faint:  #879290;
	--pt-line:       #e2ddd1;
	--pt-line-soft:  #eeeae1;
	--pt-brand:      #1d5c57;     /* เขียวหยก */
	--pt-brand-deep: #133f3c;
	--pt-brand-soft: #e7f1ef;
	--pt-gold:       #a87624;
	--pt-gold-soft:  #fbf3e3;
	--pt-ok:         #1f7a4d;
	--pt-ok-soft:    #e3f3ea;
	--pt-near:       #a86a00;
	--pt-near-soft:  #fdf1d8;
	--pt-moved:      #3558a8;
	--pt-moved-soft: #e7edfa;
	--pt-miss:       #b3372f;
	--pt-miss-soft:  #fbe7e5;
	--pt-radius:     14px;
	--pt-shadow:     0 1px 2px rgba(31,42,44,.05), 0 10px 28px -16px rgba(31,42,44,.28);
}

body { background: var(--pt-paper); }

.pt-root {
	background: var(--pt-paper);
	color: var(--pt-ink);
	font-family: 'Sarabun', 'Noto Sans Thai', system-ui, sans-serif;
	font-size: calc(16px * var(--pt-scale, 1));
	line-height: 1.7;
	min-height: 100vh;
}
.pt-root *, .pt-root *::before, .pt-root *::after { box-sizing: border-box; }
.pt-root p, .pt-root h1, .pt-root h2, .pt-root h3, .pt-root ol, .pt-root ul { margin: 0; }
.pt-root button { font: inherit; color: inherit; }
.pt-root h1, .pt-root h2, .pt-root h3 { color: inherit; }   /* ธีมหลักตั้งสีหัวเรื่องไว้เข้ม */
.pt-root :focus-visible { outline: 3px solid #d9a441; outline-offset: 2px; border-radius: 6px; }
.pt-root ::selection { background: #cfe5e1; }

/* บาลี/เนื้อหนังสือ: THSarabunPali เท่านั้น (ฏ ฐ ญ พินทุ นิคหิต) — ตัวเล็กกว่า Sarabun จึงขยาย */
:where(.pt-root) .pali { font-family: 'THSarabunPali', 'Sarabun', serif; font-size: 1.4em; line-height: 1.5; }
:where(.pt-root .pali) .pali { font-size: 1em; }
/* ขนาดเฉพาะจุดด้านล่างชนะกฎนี้ได้ (specificity ต่ำด้วย :where) */
.pt-root .pt-sup { font-size: .7em; vertical-align: .55em; margin: 0 .15em; }
.pt-nocolor .pt-key-pali span, .pt-nocolor .pt-read-yk span, .pt-nocolor .pt-read-pl span,
.pt-nocolor .pt-hint-yok span, .pt-nocolor .pt-key-yok span, .pt-nocolor .pt-exam-key span,
.pt-nocolor .pt-exam-yok span { color: inherit !important; }

/* ─────────── ปุ่ม ─────────── */
.pt-btn {
	display: inline-flex; align-items: center; justify-content: center; gap: .45em;
	min-height: 44px; padding: .5em 1.1em; border-radius: 999px;
	border: 1px solid var(--pt-line); background: var(--pt-card); color: var(--pt-ink);
	font-weight: 600; cursor: pointer; transition: background .15s, border-color .15s, transform .1s;
	text-decoration: none; white-space: nowrap;
}
.pt-btn:hover:not(:disabled) { border-color: var(--pt-brand); color: var(--pt-brand); }
.pt-btn:active:not(:disabled) { transform: translateY(1px); }
.pt-btn:disabled { opacity: .45; cursor: not-allowed; }
.pt-btn-primary { background: var(--pt-brand); border-color: var(--pt-brand); color: #fff; }
.pt-btn-primary:hover:not(:disabled) { background: var(--pt-brand-deep); color: #fff; border-color: var(--pt-brand-deep); }
.pt-btn-ghost { background: transparent; border-color: transparent; color: var(--pt-ink-soft); }
.pt-btn-ghost:hover:not(:disabled) { background: var(--pt-brand-soft); border-color: transparent; }
.pt-btn-sm { min-height: 36px; padding: .3em .85em; font-size: .9em; }

.pt-icon-btn {
	position: relative; display: inline-grid; place-items: center;
	width: 44px; height: 44px; border-radius: 12px; border: 0; background: transparent;
	color: var(--pt-ink-soft); font-size: 1.25rem; cursor: pointer;
}
.pt-icon-btn:hover, .pt-icon-btn.is-on { background: var(--pt-brand-soft); color: var(--pt-brand); }
.pt-badge {
	position: absolute; top: 3px; right: 1px; min-width: 20px; height: 20px; padding: 0 5px;
	border-radius: 10px; background: var(--pt-gold); color: #fff;
	font-size: 12px; font-weight: 700; line-height: 20px; text-align: center;
}

/* ─────────── แถบบน ─────────── */
.pt-bar {
	position: sticky; top: 0; z-index: 40;
	display: flex; align-items: center; gap: .5rem;
	padding: .5rem max(16px, calc((100vw - 1080px) / 2));
	background: rgba(246,244,238,.92); backdrop-filter: saturate(1.4) blur(10px);
	border-bottom: 1px solid var(--pt-line);
	font-size: 16px;
}
.pt-brand {
	display: flex; align-items: center; gap: .65rem; min-width: 0;
	border: 0; background: none; padding: 0; cursor: pointer; text-align: left;
}
.pt-site-home {
	flex: none; display: flex; align-items: center; gap: 1px; padding: 2px 2px 2px 0; margin-left: -6px;
	border-radius: 12px; color: var(--pt-ink-faint); text-decoration: none; font-size: 16px;
}
.pt-site-home:hover { color: var(--pt-brand); }
.pt-site-home:hover .pt-brand-mark { background: var(--pt-brand-deep); }
.pt-brand-mark {
	flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px;
	background: var(--pt-brand); color: #f4e3bf; font-family: 'THSarabunPali', serif; font-size: 24px; font-weight: 700;
	letter-spacing: -.02em;
}
.pt-brand-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.25; }
.pt-brand-title { font-weight: 700; color: var(--pt-ink); white-space: nowrap; }
.pt-brand-title b { color: var(--pt-brand); }
.pt-brand-sub { font-size: 13px; color: var(--pt-ink-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pt-brand-sub .pali { font-size: 1.3em; }

.pt-search {
	position: relative; flex: 1; max-width: 320px; margin-left: auto;
	display: flex; align-items: center;
}
.pt-search > i { position: absolute; left: 12px; color: var(--pt-ink-faint); pointer-events: none; }
.pt-search input {
	width: 100%; height: 40px; padding: 0 36px; border-radius: 999px;
	border: 1px solid var(--pt-line); background: var(--pt-card); color: var(--pt-ink); font: inherit;
}
.pt-search input:focus { outline: none; border-color: var(--pt-brand); box-shadow: 0 0 0 3px var(--pt-brand-soft); }
.pt-search input::-webkit-search-cancel-button { display: none; }
.pt-search-clear { position: absolute; right: 6px; width: 30px; height: 30px; border: 0; border-radius: 50%; background: transparent; color: var(--pt-ink-faint); cursor: pointer; }

/* ─────────── แผงตั้งค่า ─────────── */
.pt-scrim { position: fixed; inset: 0; z-index: 50; background: rgba(20,30,30,.28); }
.pt-settings {
	position: fixed; z-index: 51; top: 0; right: 0; bottom: 0; width: min(380px, 100vw);
	overflow-y: auto; background: var(--pt-card); box-shadow: -12px 0 40px -20px rgba(0,0,0,.35);
	padding: 1rem 1.25rem 2rem; font-size: 16px;
	animation: pt-slide .2s ease-out;
}
@keyframes pt-slide { from { transform: translateX(30px); opacity: 0; } }
.pt-settings-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: .5rem; }
.pt-settings-head h2 { font-size: 1.25rem; font-weight: 700; }
.pt-set-row {
	display: flex; align-items: center; justify-content: space-between; gap: 1rem;
	padding: 1rem 0; border-bottom: 1px solid var(--pt-line-soft);
}
.pt-set-row h3, .pt-legend h3 { font-size: 1rem; font-weight: 700; }
.pt-set-row p { font-size: .85rem; color: var(--pt-ink-faint); line-height: 1.5; }
.pt-stepper { display: flex; align-items: center; border: 1px solid var(--pt-line); border-radius: 999px; }
.pt-stepper button { height: 38px; min-width: 38px; border: 0; background: none; cursor: pointer; border-radius: 999px; }
.pt-stepper button:hover:not(:disabled) { background: var(--pt-brand-soft); }
.pt-stepper button:disabled { opacity: .35; }
.pt-stepper-val { min-width: 64px !important; font-weight: 700; }
.pt-switch { flex: none; width: 50px; height: 30px; padding: 3px; border-radius: 999px; border: 0; background: #cfd4d2; cursor: pointer; transition: background .15s; }
.pt-switch span { display: block; width: 24px; height: 24px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.25); transition: transform .15s; }
.pt-switch.is-on { background: var(--pt-brand); }
.pt-switch.is-on span { transform: translateX(20px); }
.pt-legend { padding: 1rem 0; border-bottom: 1px solid var(--pt-line-soft); }
.pt-legend-note { font-size: .85rem; color: var(--pt-ink-faint); margin: .25rem 0 .6rem !important; line-height: 1.5; }
.pt-legend ul { list-style: none; padding: 0; display: grid; gap: .3rem; }
.pt-legend li { display: flex; align-items: baseline; gap: .6rem; }
.pt-legend .pali { font-size: 1.25em; line-height: 1.3; }
.pt-swatch { flex: none; width: 12px; height: 12px; border-radius: 3px; transform: translateY(1px); }

/* ─────────── หน้า ─────────── */
.pt-main { max-width: 1080px; margin: 0 auto; padding: 1.5rem 16px 4rem; }
.pt-page { animation: pt-fade .25s ease-out; }
@keyframes pt-fade { from { opacity: 0; transform: translateY(4px); } }
.pt-muted { color: var(--pt-ink-faint); }

.pt-state { display: grid; place-items: center; gap: 1rem; padding: 5rem 1rem; color: var(--pt-ink-soft); text-align: center; }
.pt-state-error i { font-size: 2.2rem; color: var(--pt-miss); }
.pt-spinner { width: 38px; height: 38px; border-radius: 50%; border: 3px solid var(--pt-line); border-top-color: var(--pt-brand); animation: pt-spin .8s linear infinite; }
@keyframes pt-spin { to { transform: rotate(360deg); } }

.pt-empty { display: grid; justify-items: center; gap: .6rem; padding: 3rem 1rem; text-align: center; color: var(--pt-ink-soft); }
.pt-empty > i { font-size: 2.4rem; color: var(--pt-brand); opacity: .75; }
.pt-empty-big { padding: 5rem 1rem; }
.pt-empty-big h1 { font-size: 1.5rem; color: var(--pt-ink); }
.pt-empty .pt-btn { margin-top: .6rem; }

/* ─────────── หน้าแรก ─────────── */
.pt-hero {
	position: relative; overflow: hidden;
	padding: clamp(1.75rem, 5vw, 3.25rem) clamp(1.25rem, 5vw, 3.25rem);
	border-radius: 22px; color: #eef5f3;
	background:
		radial-gradient(120% 90% at 100% 0%, rgba(214,170,86,.28), transparent 55%),
		linear-gradient(150deg, #1d5c57 0%, #143f3c 70%, #0f3130 100%);
	box-shadow: var(--pt-shadow);
}
.pt-hero::after {  /* ลายกลีบบัวจาง ๆ */
	content: ''; position: absolute; right: -60px; bottom: -80px; width: 320px; height: 320px;
	border-radius: 50%; border: 1px solid rgba(244,227,191,.18);
	box-shadow: 0 0 0 26px rgba(244,227,191,.05), 0 0 0 58px rgba(244,227,191,.04);
	pointer-events: none;
}
.pt-kicker { font-size: .9rem; letter-spacing: .02em; color: #e7cf9c; font-weight: 600; }
.pt-hero h1 { color: #fff; margin: .5rem 0 .75rem !important; font-size: clamp(1.9rem, 5vw, 2.9rem); line-height: 1.2; font-weight: 800; }
.pt-hero h1 span { color: #f4e3bf; }
.pt-hero-by { font-size: .95rem; color: rgba(238,245,243,.78); line-height: 1.55; }
.pt-hero-lead { max-width: 44em; margin-top: 1rem !important; font-size: 1.05rem; color: rgba(238,245,243,.92); }
.pt-hero-actions { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.5rem; }
.pt-hero .pt-btn { border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.08); color: #fff; }
.pt-hero .pt-btn:hover:not(:disabled) { background: rgba(255,255,255,.16); color: #fff; border-color: rgba(255,255,255,.5); }
.pt-hero .pt-btn-primary { background: #f4e3bf; border-color: #f4e3bf; color: var(--pt-brand-deep); }
.pt-hero .pt-btn-primary:hover:not(:disabled) { background: #fff; color: var(--pt-brand-deep); }

.pt-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; margin: 1rem 0 2rem; }
.pt-stats > div { padding: 1rem 1.1rem; border-radius: var(--pt-radius); background: var(--pt-card); border: 1px solid var(--pt-line); }
.pt-stats b { display: block; font-size: 1.8rem; line-height: 1.1; color: var(--pt-brand); }
.pt-stats span { font-size: .88rem; color: var(--pt-ink-soft); }

.pt-how { margin-bottom: 2.25rem; }
.pt-how h2, .pt-story h2 { font-size: 1.15rem; font-weight: 700; margin-bottom: .75rem !important; }
.pt-how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.pt-how-grid > div { padding: 1.1rem; border-radius: var(--pt-radius); background: var(--pt-card); border: 1px solid var(--pt-line); }
.pt-how-grid i { font-size: 1.4rem; color: var(--pt-gold); }
.pt-how-grid h3 { font-size: 1rem; font-weight: 700; margin: .35rem 0 .2rem !important; }
.pt-how-grid p { font-size: .9rem; color: var(--pt-ink-soft); line-height: 1.55; }

.pt-volume {
	display: flex; flex-wrap: wrap; align-items: baseline; gap: .2rem .8rem;
	margin: 2.5rem 0 1.25rem !important; padding-bottom: .5rem; border-bottom: 2px solid var(--pt-gold);
	font-size: 1.45rem; font-weight: 800; color: var(--pt-brand-deep) !important;
}
.pt-volume small { font-size: .9rem; font-weight: 500; color: var(--pt-ink-faint); }
.pt-story { margin-bottom: 2rem; }
.pt-story h2 { display: flex; flex-wrap: wrap; align-items: baseline; gap: .1rem .75rem; }
.pt-story h2 .pali { font-size: 1.55em; color: var(--pt-brand-deep); }
.pt-story h2 small { font-size: .88rem; font-weight: 500; color: var(--pt-ink-faint); }
.pt-lesson-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: .6rem; }
.pt-lesson-card {
	display: flex; flex-direction: column; gap: .3rem; padding: .85rem .95rem .8rem;
	border-radius: 12px; border: 1px solid var(--pt-line); background: var(--pt-card);
	text-align: left; cursor: pointer; transition: border-color .15s, box-shadow .15s, transform .1s;
}
.pt-lesson-card:hover { border-color: var(--pt-brand); box-shadow: var(--pt-shadow); }
.pt-lesson-card:active { transform: translateY(1px); }
.pt-lesson-card.is-done { background: linear-gradient(180deg, #fff, var(--pt-ok-soft)); }
.pt-lesson-no { font-weight: 700; font-size: 1.02rem; }
.pt-lesson-meta { font-size: .8rem; color: var(--pt-ink-faint); }
.pt-lesson-bar { position: relative; height: 6px; margin: .25rem 0 .1rem; border-radius: 3px; background: var(--pt-line-soft); overflow: hidden; }
.pt-lesson-bar span { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 3px; }
.pt-lesson-bar .is-seen { background: #a9cfc8; }
.pt-lesson-bar .is-mastered { background: var(--pt-brand); }
.pt-lesson-foot { font-size: .8rem; color: var(--pt-brand); font-weight: 600; }
.pt-lesson-foot.is-new { color: var(--pt-ink-faint); font-weight: 400; }

.pt-credit { margin-top: 3rem; padding-top: 1.25rem; border-top: 1px solid var(--pt-line); font-size: .85rem; color: var(--pt-ink-faint); line-height: 1.7; }

/* ─────────── หัวบทเรียน ─────────── */
.pt-lesson-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.pt-lesson-title h1 { font-size: 1.45rem; font-weight: 800; line-height: 1.3; }
.pt-lesson-title h1 .pali { color: var(--pt-brand); font-size: 1.35em; font-weight: 700; }
.pt-lesson-title p { font-size: .9rem; color: var(--pt-ink-faint); }
.pt-tabs { display: flex; gap: .25rem; padding: .25rem; border-radius: 999px; background: #e9e5da; }
.pt-tabs button {
	display: inline-flex; align-items: center; gap: .4rem; min-height: 40px; padding: .3rem .95rem;
	border: 0; border-radius: 999px; background: transparent; color: var(--pt-ink-soft); font-weight: 600; cursor: pointer;
}
.pt-tabs button.is-on { background: var(--pt-card); color: var(--pt-brand); box-shadow: 0 1px 3px rgba(0,0,0,.1); }

/* ─────────── จุดเลือกข้อ ─────────── */
.pt-dots { display: flex; flex-wrap: wrap; gap: .3rem; margin-bottom: 1rem; }
.pt-dot {
	width: 32px; height: 32px; border-radius: 9px; border: 1px solid var(--pt-line); background: var(--pt-card);
	font-size: .8rem; font-weight: 600; color: var(--pt-ink-faint); cursor: pointer;
}
.pt-dot:hover { border-color: var(--pt-brand); }
.pt-dot.is-mastered { background: var(--pt-brand); border-color: var(--pt-brand); color: #fff; }
.pt-dot.is-learning { background: #cfe5e0; border-color: #a9cfc8; color: var(--pt-brand-deep); }
.pt-dot.is-again { background: var(--pt-near-soft); border-color: #eccb85; color: var(--pt-near); }
.pt-dot.is-cur { outline: 2px solid var(--pt-gold); outline-offset: 2px; color: var(--pt-ink); }
.pt-dot.is-mastered.is-cur { color: #fff; }

/* ─────────── การ์ด ─────────── */
.pt-card {
	background: var(--pt-card); border: 1px solid var(--pt-line); border-radius: 18px;
	box-shadow: var(--pt-shadow); padding: clamp(1.1rem, 3.5vw, 2rem);
}
.pt-card-top { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin-bottom: 1rem; }
.pt-chip { display: inline-flex; align-items: center; padding: .15rem .7rem; border-radius: 999px; background: var(--pt-brand-soft); color: var(--pt-brand); font-size: .85rem; font-weight: 700; }
.pt-chip-soft { background: var(--pt-gold-soft); color: var(--pt-gold); }
.pt-link { margin-left: auto; font-size: .85rem; color: var(--pt-brand); text-decoration: none; font-weight: 600; }
.pt-link:hover { text-decoration: underline; }
.pt-timer { margin-left: auto; font-variant-numeric: tabular-nums; font-weight: 700; color: var(--pt-gold); }

.pt-prompt-label, .pt-key-label, .pt-hint-title {
	font-size: .8rem; font-weight: 700; letter-spacing: .03em; color: var(--pt-ink-faint); margin-bottom: .25rem !important;
}
.pt-prompt { font-size: 1.75em; line-height: 1.55; color: var(--pt-ink); }

.pt-hints { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0 .25rem; }
.pt-hint-btn {
	display: inline-flex; align-items: center; gap: .4rem; min-height: 38px; padding: .25rem .9rem; border-radius: 999px;
	border: 1px dashed #d8c08f; background: var(--pt-gold-soft); color: #8a5f16; font-size: .9rem; font-weight: 600; cursor: pointer;
}
.pt-hint-btn.is-on { border-style: solid; background: #f5e5c3; }
.pt-hint-box { margin-top: .6rem; padding: .75rem 1rem; border-radius: 12px; background: var(--pt-gold-soft); border: 1px solid #efdcb4; }
.pt-initials { display: flex; flex-wrap: wrap; gap: .1rem .9rem; color: #7a5413; }
.pt-hint-yok .pali { font-size: 1.35em; }

.pt-answer { margin-top: 1.25rem; }
.pt-answer-tabs { display: inline-flex; gap: .2rem; margin-bottom: .6rem; padding: .2rem; border-radius: 10px; background: var(--pt-line-soft); }
.pt-answer-tabs button { min-height: 34px; padding: .15rem .8rem; border: 0; border-radius: 8px; background: transparent; color: var(--pt-ink-soft); font-size: .88rem; font-weight: 600; cursor: pointer; }
.pt-answer-tabs button.is-on { background: var(--pt-card); color: var(--pt-brand); box-shadow: 0 1px 2px rgba(0,0,0,.08); }

.pt-textarea {
	display: block; width: 100%; min-height: 6.5em; padding: .6rem .9rem; resize: vertical;
	border: 1.5px solid var(--pt-line); border-radius: 12px; background: #fdfcf9; color: var(--pt-ink);
}
.pt-textarea.pali { font-size: 1.6em; line-height: 1.5; }
.pt-textarea:focus { outline: none; border-color: var(--pt-brand); background: #fff; box-shadow: 0 0 0 4px var(--pt-brand-soft); }
.pt-textarea::placeholder { color: #b1b8b6; }

.pt-keypad { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem; margin-top: .5rem; }
.pt-keypad button {
	min-width: 44px; height: 44px; padding: 0 .5rem; border-radius: 10px; border: 1px solid var(--pt-line);
	background: var(--pt-card); cursor: pointer; font-size: 1.55em; line-height: 1;
}
.pt-keypad button:hover { border-color: var(--pt-brand); background: var(--pt-brand-soft); }
.pt-keypad-tip { font-size: .8rem; color: var(--pt-ink-faint); margin-left: .35rem; }

.pt-order-line {
	display: flex; flex-wrap: wrap; align-content: flex-start; gap: .4rem; min-height: 4.2em; padding: .6rem;
	border: 1.5px dashed #b9d4ce; border-radius: 12px; background: #f8fbfa;
}
.pt-order-line.is-empty { align-items: center; }
.pt-order-ph { font-family: 'Sarabun', sans-serif; font-size: .64em; color: var(--pt-ink-faint); padding-left: .3rem; }
.pt-order-pool { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .7rem; }
.pt-word {
	padding: .05em .55em .1em; border-radius: 9px; border: 1px solid var(--pt-line); background: var(--pt-card);
	font-size: 1em; line-height: 1.45; cursor: pointer; box-shadow: 0 1px 0 var(--pt-line);
}
.pt-word:hover:not(:disabled) { border-color: var(--pt-brand); }
.pt-word:disabled { opacity: .25; cursor: default; box-shadow: none; }
.pt-word.is-picked { background: var(--pt-brand-soft); border-color: #b9d4ce; }
.pt-order-tools { display: flex; gap: .4rem; margin-top: .5rem; }

.pt-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.1rem; }

/* ─────────── ผลตรวจ ─────────── */
.pt-result-box { margin-top: 1.25rem; display: grid; gap: 1.1rem; scroll-margin-top: 80px; }
.pt-score { display: flex; align-items: center; gap: 1rem; padding: .9rem 1.1rem; border-radius: 14px; }
.pt-score.is-high { background: var(--pt-ok-soft); color: var(--pt-ok); }
.pt-score.is-mid { background: var(--pt-near-soft); color: var(--pt-near); }
.pt-score.is-low { background: var(--pt-miss-soft); color: var(--pt-miss); }
.pt-score-num { font-size: 2.3rem; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.pt-score-num small { font-size: .5em; margin-left: .1em; }
.pt-score-text { display: flex; flex-direction: column; line-height: 1.45; }
.pt-score-text b { font-size: 1.05rem; }
.pt-score-text span { font-size: .85rem; color: var(--pt-ink-soft); }

.pt-key { padding: 1rem 1.15rem; border-radius: 14px; background: var(--pt-brand-soft); border: 1px solid #cfe2de; }
.pt-key-pali { font-size: 1.65em; line-height: 1.55; }

.pt-compare-legend { display: inline-flex; flex-wrap: wrap; gap: .2rem .7rem; margin-left: .5rem; font-weight: 500; letter-spacing: 0; }
.pt-compare-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: .25rem; }
.pt-compare-words { display: flex; flex-wrap: wrap; gap: .3rem .35rem; }
.pt-cw { display: inline-flex; flex-direction: column; align-items: center; padding: 0 .4em; border-radius: 8px; border-bottom: 3px solid transparent; line-height: 1.4; }
.pt-cw small { font-family: 'THSarabunPali', serif; font-size: .7em; line-height: 1.1; text-decoration: line-through; opacity: .85; }
.k-ok, .pt-compare-legend .k-ok { background: var(--pt-ok-soft); border-color: #8ccaa7; }
.k-near, .pt-compare-legend .k-near { background: var(--pt-near-soft); border-color: #e2b458; color: #7a4d00; }
.k-moved, .pt-compare-legend .k-moved { background: var(--pt-moved-soft); border-color: #93a9dc; color: #203f86; }
.k-miss, .pt-compare-legend .k-miss { background: var(--pt-miss-soft); border-color: #e5958e; color: var(--pt-miss); }
.pt-extra { margin-top: .5rem !important; font-size: 1.2em; color: var(--pt-ink-soft); }
.pt-extra span { margin-left: .5em; text-decoration: line-through; text-decoration-color: var(--pt-miss); }
.pt-yours { margin-top: .6rem !important; padding: .5rem .85rem; border-radius: 10px; background: #f7f6f2; font-size: 1.3em; color: var(--pt-ink-soft); }
.pt-yours span { display: block; font-family: 'Sarabun', sans-serif; font-size: .55em; font-weight: 700; color: var(--pt-ink-faint); }

.pt-key-yok, .pt-exam-key details { border: 1px solid var(--pt-line); border-radius: 12px; padding: .55rem 1rem; background: #fcfbf8; }
.pt-key-yok summary, .pt-exam-key summary { cursor: pointer; font-weight: 700; font-size: .9rem; color: var(--pt-ink-soft); }
.pt-key-yok .pali { margin-top: .35rem !important; font-size: 1.4em; }

.pt-rate { padding-top: .25rem; border-top: 1px solid var(--pt-line-soft); }
.pt-rate > p { font-weight: 700; margin: .6rem 0 .5rem !important; }
.pt-rate-btns { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; margin-bottom: .5rem; }
.pt-rate-btns button {
	display: flex; flex-direction: column; align-items: center; gap: .1rem; padding: .65rem .5rem; border-radius: 12px;
	border: 1.5px solid var(--pt-line); background: var(--pt-card); cursor: pointer; transition: transform .1s, background .15s;
}
.pt-rate-btns button:active { transform: translateY(1px); }
.pt-rate-btns b { font-size: 1rem; }
.pt-rate-btns span { font-size: .75rem; color: var(--pt-ink-faint); }
.pt-rate-again { border-color: #efc2bd !important; } .pt-rate-again:hover { background: var(--pt-miss-soft); } .pt-rate-again b { color: var(--pt-miss); }
.pt-rate-hard { border-color: #efd69f !important; } .pt-rate-hard:hover { background: var(--pt-near-soft); } .pt-rate-hard b { color: var(--pt-near); }
.pt-rate-good { border-color: #9fd2b6 !important; } .pt-rate-good:hover { background: var(--pt-ok-soft); } .pt-rate-good b { color: var(--pt-ok); }

.pt-card-nav { display: flex; justify-content: space-between; margin-top: 1.25rem; padding-top: .75rem; border-top: 1px solid var(--pt-line-soft); }

.pt-lesson-end { display: grid; justify-items: center; gap: .6rem; margin-top: 1rem; padding: 1.5rem; border-radius: 16px; background: var(--pt-ok-soft); text-align: center; color: var(--pt-ok); font-weight: 600; }
.pt-lesson-end > i { font-size: 2rem; color: var(--pt-gold); }
.pt-lesson-end > div { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; }

.pt-lesson-pager { display: flex; justify-content: space-between; gap: .5rem; margin-top: 2rem; }

/* ─────────── อ่านทั้งตอน ─────────── */
.pt-read-tools {
	position: sticky; top: 61px; z-index: 5; display: flex; flex-wrap: wrap; align-items: center; gap: .4rem;
	padding: .55rem 0; margin-bottom: .5rem; background: var(--pt-paper);
}
.pt-read-tools > span { font-size: .88rem; color: var(--pt-ink-faint); margin-right: .2rem; }
.pt-toggle {
	display: inline-flex; align-items: center; gap: .35rem; min-height: 36px; padding: .2rem .8rem; border-radius: 999px;
	border: 1px solid var(--pt-line); background: var(--pt-card); color: var(--pt-ink-soft); font-size: .9rem; font-weight: 600; cursor: pointer;
}
.pt-toggle.is-on { border-color: #b9d4ce; background: var(--pt-brand-soft); color: var(--pt-brand); }
.pt-read { list-style: none; padding: 0; display: grid; gap: .75rem; }
.pt-read > li {
	display: flex; gap: .9rem; padding: 1rem 1.1rem; border-radius: 14px; background: var(--pt-card); border: 1px solid var(--pt-line);
	scroll-margin-top: 130px; transition: box-shadow .4s, border-color .4s;
}
.pt-read > li.is-target { border-color: var(--pt-gold); box-shadow: 0 0 0 4px var(--pt-gold-soft); }
.pt-read-no { flex: none; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: var(--pt-brand-soft); color: var(--pt-brand); font-weight: 700; font-size: .85rem; }
.pt-read-body { flex: 1; min-width: 0; display: grid; gap: .45rem; }
.pt-read-th { font-size: 1.55em; }
.pt-read-yk { font-size: 1.35em; color: var(--pt-ink-soft); padding-left: .75rem; border-left: 3px solid #e7d7b3; }
.pt-read-pl { font-size: 1.55em; padding: .2rem .7rem; border-radius: 9px; background: #f3f8f7; }
.pt-read-pl.is-covered { cursor: pointer; color: transparent !important; background: repeating-linear-gradient(-45deg, #e3eeec, #e3eeec 8px, #edf4f2 8px, #edf4f2 16px); user-select: none; }
.pt-read-pl.is-covered * { color: transparent !important; }
.pt-read-pl.is-covered::after { content: 'แตะเพื่อดูบาลี'; font-family: 'Sarabun', sans-serif; font-size: .55em; color: var(--pt-brand); }
.pt-read-foot { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem .8rem; }
.pt-mini { display: inline-flex; align-items: center; gap: .3rem; padding: 0; border: 0; background: none; color: var(--pt-brand); font-size: .82rem; font-weight: 600; cursor: pointer; text-decoration: none; }
.pt-mini:hover { text-decoration: underline; }
.pt-mini-meta { font-size: .8rem; color: var(--pt-ink-faint); margin-left: auto; }

/* ─────────── สอบทั้งตอน ─────────── */
.pt-exam-text { display: grid; gap: .3rem; padding: 1rem 1.15rem; margin-bottom: 1rem; border-radius: 14px; background: #fbfaf6; border: 1px solid var(--pt-line-soft); font-size: 1.55em; }
.pt-exam-text sup, .pt-exam-key sup { font-family: 'Sarabun', sans-serif; font-size: .45em; font-weight: 700; color: var(--pt-gold); margin-right: .3em; }
.pt-exam-key { list-style: none; padding: 0; display: grid; gap: .4rem; }
.pt-exam-key summary { font-weight: 400; color: var(--pt-ink); list-style-position: outside; }
.pt-exam-key summary .pali { font-size: 1.5em; }
.pt-exam-yok { margin-top: .3rem !important; font-size: 1.3em; color: var(--pt-ink-soft); }

/* ─────────── ค้นหา ─────────── */
.pt-page-head { margin-bottom: 1rem; }
.pt-page-head h1 { font-size: 1.4rem; font-weight: 800; }
.pt-back { display: inline-flex; align-items: center; gap: .35rem; margin-bottom: .4rem; padding: 0; border: 0; background: none; color: var(--pt-brand); font-weight: 600; cursor: pointer; }
.pt-results { list-style: none; padding: 0; display: grid; gap: .5rem; }
.pt-result {
	display: grid; gap: .15rem; width: 100%; padding: .8rem 1rem; text-align: left; cursor: pointer;
	border-radius: 12px; border: 1px solid var(--pt-line); background: var(--pt-card);
}
.pt-result:hover { border-color: var(--pt-brand); }
.pt-result-where { font-size: .82rem; font-weight: 700; color: var(--pt-brand); }
.pt-result-where .pali { font-size: 1.3em; }
.pt-result-text { font-size: 1.4em; }
.pt-result-text mark { background: #f6e2b1; color: inherit; padding: 0 .1em; border-radius: 3px; }
.pt-result-field { font-size: .78rem; color: var(--pt-ink-faint); }

/* ─────────── จอเล็ก ─────────── */
@media (max-width: 760px) {
	.pt-how-grid { grid-template-columns: 1fr; }
	.pt-lesson-head { align-items: stretch; }
	.pt-tabs { width: 100%; }
	.pt-tabs button { flex: 1; justify-content: center; padding: .3rem .5rem; }
	.pt-keypad-tip { display: none; }
}
@media (max-width: 560px) {
	.pt-bar { flex-wrap: wrap; }
	.pt-search { order: 5; flex-basis: 100%; max-width: none; }
	.pt-brand { margin-right: auto; }
	.pt-read-tools { top: 105px; }
	.pt-stats { grid-template-columns: 1fr 1fr 1fr; gap: .4rem; }
	.pt-stats > div { padding: .7rem .7rem; }
	.pt-stats b { font-size: 1.4rem; }
	.pt-stats span { font-size: .75rem; line-height: 1.35; display: block; }
	.pt-lesson-grid { grid-template-columns: 1fr 1fr; }
	.pt-tabs button span { font-size: .85rem; }
	.pt-rate-btns span { display: none; }
	.pt-read > li { padding: .8rem; gap: .6rem; }
	.pt-lesson-pager .pt-btn { padding: .5em .7em; font-size: .9rem; }
}

@media (prefers-reduced-motion: reduce) {
	.pt-page, .pt-settings { animation: none; }
}