/* =============================================================
   Pali Thunder — exercise player styles
   Used by:
     /app/pages/exercises.php (selector)
     /app/pages/exercise.php  (player)
   Relies on Tailwind CDN utility classes for general layout;
   these rules style the rich markdown body + interactive widgets.
   ============================================================= */

/* ---------- Day selector card ---------- */
.day-card {
	transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

/* ---------- 9-step color palette ---------- */
:root {
	--step-1: #ef4444; /* red    — อาลปนะ */
	--step-2: #f97316; /* orange — นิบาต */
	--step-3: #eab308; /* yellow — กาล */
	--step-4: #10b981; /* emerald— ประธาน (major) */
	--step-5: #14b8a6; /* teal   — ขยายประธาน */
	--step-6: #0ea5e9; /* sky    — กิริยาระหว่าง */
	--step-7: #6366f1; /* indigo — เนื่องกิริยาระหว่าง */
	--step-8: #8b5cf6; /* violet — กิริยาคุมพากย์ (major) */
	--step-9: #ec4899; /* pink   — เนื่องกิริยาคุมพากย์ */
}

.step-chip {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 1.75rem;
	height: 1.75rem;
	border-radius: 9999px;
	color: #fff;
	font-weight: 700;
	font-size: 0.9rem;
	margin-right: 0.4rem;
}
.step-legend-item {
	display: flex;
	align-items: center;
	font-size: 0.875rem;
	color: #374151;
}
.step-legend-item.step-1 .step-chip { background: var(--step-1); }
.step-legend-item.step-2 .step-chip { background: var(--step-2); color:#1f2937; }
.step-legend-item.step-3 .step-chip { background: var(--step-3); color:#1f2937; }
.step-legend-item.step-4 .step-chip { background: var(--step-4); }
.step-legend-item.step-5 .step-chip { background: var(--step-5); }
.step-legend-item.step-6 .step-chip { background: var(--step-6); }
.step-legend-item.step-7 .step-chip { background: var(--step-7); }
.step-legend-item.step-8 .step-chip { background: var(--step-8); }
.step-legend-item.step-9 .step-chip { background: var(--step-9); }

/* ---------- Rendered markdown body ---------- */
.exercise-content {
	font-family: 'Sarabun', sans-serif;
	color: #1f2937;
	line-height: 1.8;
	font-size: 1.05rem;
}
.exercise-content h1 {
	font-size: 1.9rem;
	font-weight: 700;
	color: #9a3412;
	border-bottom: 3px solid #fed7aa;
	padding-bottom: 0.5rem;
	margin: 0 0 1.25rem 0;
}
.exercise-content h2 {
	font-size: 1.4rem;
	font-weight: 700;
	color: #b45309;
	margin: 2rem 0 0.75rem 0;
	padding-left: 0.75rem;
	border-left: 5px solid #f97316;
}
.exercise-content h3 {
	font-size: 1.15rem;
	font-weight: 700;
	color: #374151;
	margin: 1.5rem 0 0.5rem 0;
}
.exercise-content p {
	margin: 0.6rem 0;
}
.exercise-content ul, .exercise-content ol {
	padding-left: 1.5rem;
	margin: 0.6rem 0;
}
.exercise-content li {
	margin: 0.2rem 0;
}
.exercise-content code {
	background: #fff7ed;
	color: #9a3412;
	padding: 0.1rem 0.3rem;
	border-radius: 4px;
	font-size: 0.95em;
	font-family: 'Sarabun', monospace;
}
.exercise-content hr {
	border: none;
	border-top: 1px dashed #d1d5db;
	margin: 1.5rem 0;
}
.exercise-content strong {
	color: #111827;
}

/* ---------- Tables ---------- */
.exercise-content table {
	width: 100%;
	border-collapse: collapse;
	margin: 1rem 0;
	font-size: 0.95rem;
	background: #fff;
	box-shadow: 0 1px 2px rgba(0,0,0,0.04);
	border-radius: 8px;
	overflow: hidden;
}
.exercise-content thead {
	background: #fef3c7;
}
.exercise-content th {
	padding: 0.6rem 0.75rem;
	text-align: left;
	font-weight: 700;
	color: #78350f;
	border-bottom: 2px solid #fcd34d;
}
.exercise-content td {
	padding: 0.55rem 0.75rem;
	border-bottom: 1px solid #f3f4f6;
	vertical-align: top;
}
.exercise-content tr:last-child td {
	border-bottom: none;
}
.exercise-content tr:hover {
	background: #fffbeb;
}

/* Step table — colorize rows whose first column starts with ๑-๙ */
.exercise-content table.step-table tr.step-row td[data-step] {
	font-weight: 700;
	border-left: 4px solid transparent;
	position: relative;
	padding-left: 0.75rem;
}
.exercise-content table.step-table tr.step-row.step-1 td[data-step] { border-left-color: var(--step-1); color: var(--step-1); background: #fef2f2; }
.exercise-content table.step-table tr.step-row.step-2 td[data-step] { border-left-color: var(--step-2); color: var(--step-2); background: #fff7ed; }
.exercise-content table.step-table tr.step-row.step-3 td[data-step] { border-left-color: var(--step-3); color: #78350f;     background: #fefce8; }
.exercise-content table.step-table tr.step-row.step-4 td[data-step] { border-left-color: var(--step-4); color: var(--step-4); background: #ecfdf5; }
.exercise-content table.step-table tr.step-row.step-5 td[data-step] { border-left-color: var(--step-5); color: var(--step-5); background: #f0fdfa; }
.exercise-content table.step-table tr.step-row.step-6 td[data-step] { border-left-color: var(--step-6); color: var(--step-6); background: #f0f9ff; }
.exercise-content table.step-table tr.step-row.step-7 td[data-step] { border-left-color: var(--step-7); color: var(--step-7); background: #eef2ff; }
.exercise-content table.step-table tr.step-row.step-8 td[data-step] { border-left-color: var(--step-8); color: var(--step-8); background: #f5f3ff; }
.exercise-content table.step-table tr.step-row.step-9 td[data-step] { border-left-color: var(--step-9); color: var(--step-9); background: #fdf2f8; }

/* Major steps (๔ ประธาน and ๘ กิริยาคุมพากย์) get a subtle glow so they stand out */
.exercise-content table.step-table tr.step-row.step-4,
.exercise-content table.step-table tr.step-row.step-8 {
	box-shadow: inset 0 0 0 1px rgba(0,0,0,0.02);
}

/* ---------- Blockquotes ---------- */
.exercise-content blockquote {
	margin: 0.9rem 0;
	padding: 0.8rem 1rem;
	border-left: 4px solid #fbbf24;
	background: #fffbeb;
	color: #78350f;
	border-radius: 0 8px 8px 0;
}
.exercise-content blockquote p {
	margin: 0.2rem 0;
}

/* Pali sentence callout — the primary "bold Pali" quotes */
.exercise-content blockquote.pali-sentence-callout {
	border-left-color: #ea580c;
	background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
	color: #7c2d12;
	font-size: 1.3rem;
	line-height: 1.7;
	text-align: center;
	padding: 1.25rem 1rem;
	letter-spacing: 0.02em;
	box-shadow: 0 2px 4px rgba(234, 88, 12, 0.08);
}
.exercise-content blockquote.pali-sentence-callout strong {
	color: #7c2d12;
}

/* Hint callout — 💡/🔍/📌/⚠️ */
.exercise-content blockquote.hint-callout {
	border-left-color: #3b82f6;
	background: #eff6ff;
	color: #1e40af;
}

/* Collapsible vocabulary block ("คำศัพท์ / คำศัพท์สำคัญ / ศัพท์ใหม่") */
.exercise-content details.vocab-block {
	margin: 0.75rem 0 1rem 0;
	border: 1px solid #fde68a;
	border-radius: 10px;
	background: #fffbeb;
	overflow: hidden;
}
.exercise-content details.vocab-block[open] {
	background: #fffdf5;
}
.exercise-content details.vocab-block > summary {
	list-style: none;
	padding: 0.6rem 0.9rem;
	font-weight: 600;
	color: #92400e;
	cursor: pointer;
	display: flex;
	align-items: center;
	gap: 0.5rem;
	user-select: none;
	transition: background 0.15s;
}
.exercise-content details.vocab-block > summary::-webkit-details-marker {
	display: none;
}
.exercise-content details.vocab-block > summary:hover {
	background: #fef3c7;
}
.exercise-content details.vocab-block > summary::after {
	content: "▸";
	margin-left: auto;
	transition: transform 0.2s;
	color: #b45309;
	font-size: 0.9rem;
}
.exercise-content details.vocab-block[open] > summary::after {
	transform: rotate(90deg);
}
.exercise-content details.vocab-block .vocab-count {
	font-size: 0.8rem;
	font-weight: 500;
	color: #b45309;
	opacity: 0.75;
}
.exercise-content details.vocab-block > ul {
	margin: 0;
	padding: 0.6rem 1.25rem 0.9rem 2.25rem;
	background: #fff;
	border-top: 1px solid #fde68a;
}
.exercise-content details.vocab-block > ul li {
	margin: 0.3rem 0;
	line-height: 1.65;
}

/* Collapsible hint/warning block (⚠️ / 💡 / 📌 / 🔍 notes) */
.exercise-content details.hint-block {
	margin: 0.75rem 0 1rem 0;
	border: 1px solid #bfdbfe;
	border-radius: 10px;
	background: #eff6ff;
	overflow: hidden;
}
.exercise-content details.hint-block[open] {
	background: #f0f7ff;
}
.exercise-content details.hint-block > summary {
	list-style: none;
	padding: 0.6rem 0.9rem;
	font-weight: 600;
	color: #1e40af;
	cursor: pointer;
	display: flex;
	align-items: center;
	gap: 0.5rem;
	user-select: none;
	transition: background 0.15s;
}
.exercise-content details.hint-block > summary::-webkit-details-marker {
	display: none;
}
.exercise-content details.hint-block > summary:hover {
	background: #dbeafe;
}
.exercise-content details.hint-block > summary::after {
	content: "▸";
	margin-left: auto;
	transition: transform 0.2s;
	color: #1e40af;
	font-size: 0.9rem;
}
.exercise-content details.hint-block[open] > summary::after {
	transform: rotate(90deg);
}
.exercise-content details.hint-block .hint-count {
	font-size: 0.8rem;
	font-weight: 500;
	color: #1e40af;
	opacity: 0.75;
}
.exercise-content details.hint-block > blockquote.hint-callout {
	margin: 0;
	border-radius: 0;
	border-left-width: 4px;
	border-top: 1px solid #bfdbfe;
}

/* Collapsible "คำแปลโดยอรรถ" block — idiomatic translation */
.exercise-content details.attha-block {
	margin: 0.75rem 0 1rem 0;
	border: 1px solid #d8b4fe;
	border-radius: 10px;
	background: #faf5ff;
	overflow: hidden;
}
.exercise-content details.attha-block[open] {
	background: #fcfaff;
}
.exercise-content details.attha-block > summary {
	list-style: none;
	padding: 0.6rem 0.9rem;
	font-weight: 600;
	color: #6b21a8;
	cursor: pointer;
	display: flex;
	align-items: center;
	gap: 0.5rem;
	user-select: none;
	transition: background 0.15s;
}
.exercise-content details.attha-block > summary::-webkit-details-marker {
	display: none;
}
.exercise-content details.attha-block > summary:hover {
	background: #f3e8ff;
}
.exercise-content details.attha-block > summary::after {
	content: "▸";
	margin-left: auto;
	transition: transform 0.2s;
	color: #6b21a8;
	font-size: 0.9rem;
}
.exercise-content details.attha-block[open] > summary::after {
	transform: rotate(90deg);
}
.exercise-content details.attha-block > blockquote {
	margin: 0;
	border-radius: 0;
	border-left: 4px solid #a855f7;
	background: #fff;
	border-top: 1px solid #e9d5ff;
	color: #581c87;
	font-style: normal;
}

/* Word-level highlight in Pali sentence during play-back */
.exercise-content .pali-word {
	transition: background 0.18s ease, box-shadow 0.18s ease, color 0.18s ease;
	padding: 0 2px;
	border-radius: 3px;
}
.exercise-content .pali-word.is-speaking {
	background: #fde047;
	color: #713f12;
	box-shadow: 0 0 0 2px #fde047, 0 2px 6px rgba(234, 179, 8, 0.35);
}
/* Subtle hint that a word is a sandhi (holds multiple card matches) */
.exercise-content .pali-word[data-sandhi] {
	border-bottom: 1px dashed #f59e0b;
}

/* ---------- Exercise headings ---------- */
.exercise-content h3.exercise-heading {
	background: linear-gradient(90deg, #ffedd5 0%, transparent 100%);
	padding: 0.6rem 0.9rem;
	border-radius: 8px;
	color: #9a3412;
	border-left: 4px solid #ea580c;
	margin-top: 2rem;
}
.exercise-content h3.exercise-heading::before {
	content: "✏️ ";
}

/* ---------- User answer + show-answer control ---------- */
.exercise-controls {
	margin: 0.75rem 0 1.25rem 0;
	padding: 1rem 1rem 0.85rem 1rem;
	background: #f9fafb;
	border: 1px dashed #d1d5db;
	border-radius: 10px;
}
.exercise-controls .user-answer-label {
	display: block;
	font-weight: 600;
	color: #4b5563;
	font-size: 0.92rem;
	margin-bottom: 0.5rem;
}
.exercise-controls .user-answer-label i {
	color: #f97316;
	margin-right: 0.3rem;
}
.exercise-controls .user-answer-input {
	display: block;
	width: 100%;
	padding: 0.6rem 0.8rem;
	border: 1.5px solid #e5e7eb;
	border-radius: 8px;
	resize: vertical;
	font-family: 'Sarabun', sans-serif;
	font-size: 1rem;
	line-height: 1.6;
	background: #fff;
	color: #111827;
	transition: border-color 0.15s;
}
.exercise-controls .user-answer-input:focus {
	outline: none;
	border-color: #f97316;
	box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}
.exercise-control-buttons {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	margin-top: 0.6rem;
	flex-wrap: wrap;
}
.exercise-control-buttons .btn-show-answer,
.exercise-control-buttons .btn-clear-answer {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	padding: 0.5rem 0.95rem;
	border-radius: 8px;
	font-weight: 600;
	font-size: 0.9rem;
	border: none;
	cursor: pointer;
	transition: background 0.15s, transform 0.1s;
}
.exercise-control-buttons .btn-show-answer {
	background: #f97316;
	color: #fff;
}
.exercise-control-buttons .btn-show-answer:hover {
	background: #ea580c;
}
.exercise-control-buttons .btn-show-answer.is-shown {
	background: #6b7280;
}
.exercise-control-buttons .btn-show-answer.is-shown:hover {
	background: #4b5563;
}
.exercise-control-buttons .btn-clear-answer {
	background: #e5e7eb;
	color: #4b5563;
}
.exercise-control-buttons .btn-clear-answer:hover {
	background: #d1d5db;
}
.exercise-control-buttons .user-answer-status {
	font-size: 0.78rem;
	color: #9ca3af;
	margin-left: auto;
}

/* ---------- Answer section (wraps "### เฉลยข้อ N") ---------- */
.answer-section {
	margin: 1rem 0 1.5rem 0;
	padding: 0.5rem 1rem 1rem 1rem;
	background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
	border: 1.5px solid #10b981;
	border-radius: 10px;
	animation: answerReveal 0.25s ease-out;
}
@keyframes answerReveal {
	from { opacity: 0; transform: translateY(-4px); }
	to   { opacity: 1; transform: translateY(0); }
}
.answer-section-header {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem;
	padding: 0.45rem 0;
	border-bottom: 1px dashed #86efac;
	margin-bottom: 0.5rem;
}
.answer-section-header .answer-label {
	font-weight: 700;
	color: #065f46;
	font-size: 0.95rem;
	margin-right: auto; /* push everything else to the right */
}
.answer-section-header .answer-label i {
	margin-right: 0.3rem;
}
.answer-section-header .btn-hide-answer {
	display: inline-flex;
	align-items: center;
	gap: 0.3rem;
	padding: 0.35rem 0.7rem;
	border-radius: 6px;
	font-size: 0.82rem;
	background: #065f46;
	color: #fff;
	border: none;
	cursor: pointer;
}
.answer-section-header .btn-hide-answer:hover {
	background: #064e3b;
}

/* Play button — walk through cards in translation order */
.answer-section-header .btn-play-answer {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	padding: 0.35rem 0.7rem;
	font-size: 0.85rem;
	font-weight: 600;
	background: #f97316;
	color: #fff;
	border: none;
	border-radius: 6px;
	cursor: pointer;
	transition: background 0.15s;
}
.answer-section-header .btn-play-answer:hover {
	background: #ea580c;
}
.answer-section-header .btn-play-answer.is-playing {
	background: #dc2626;
}
.answer-section-header .btn-play-answer.is-playing:hover {
	background: #b91c1c;
}

/* Spotlight effect on the currently-playing card */
.pali-card {
	transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}
.answer-section:has(.pali-card.is-playing) .pali-card:not(.is-playing) {
	filter: grayscale(0.5) brightness(0.9);
	opacity: 0.45;
}
.pali-card.is-playing {
	transform: scale(1.06);
	box-shadow: 0 10px 25px -5px rgba(249, 115, 22, 0.45),
		0 0 0 3px #f97316;
	z-index: 2;
}

/* Segmented view-mode toggle (ตาราง / การ์ด) */
.answer-section-header .answer-view-toggle {
	display: inline-flex;
	border: 1px solid #10b981;
	border-radius: 6px;
	overflow: hidden;
	background: #fff;
}
.answer-section-header .answer-view-toggle .btn-view-mode {
	display: inline-flex;
	align-items: center;
	gap: 0.3rem;
	padding: 0.3rem 0.7rem;
	font-size: 0.8rem;
	font-weight: 600;
	background: transparent;
	color: #065f46;
	border: none;
	cursor: pointer;
	transition: background 0.15s;
}
.answer-section-header .answer-view-toggle .btn-view-mode:hover {
	background: #ecfdf5;
}
.answer-section-header .answer-view-toggle .btn-view-mode + .btn-view-mode {
	border-left: 1px solid #10b981;
}
.answer-section-header .answer-view-toggle .btn-view-mode.is-active {
	background: #10b981;
	color: #fff;
}

/* Only one view visible at a time inside an answer section */
.answer-section .answer-view {
	display: none;
}
.answer-section .answer-view.is-active {
	display: block;
}

/* ---------- Card-view (like image 2) ---------- */
.answer-section .pali-cards {
	display: flex;
	flex-wrap: wrap;
	gap: 0.9rem;
	margin: 1rem 0 0.25rem 0;
	padding: 0.5rem 0;
}
.pali-card {
	position: relative;
	flex: 1 1 140px;
	min-width: 140px;
	max-width: 200px;
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	padding: 0.6rem 0.7rem 0.85rem 0.7rem;
	background: #fff;
	border: 1.5px solid #e5e7eb;
	border-radius: 10px;
	box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
	transition: transform 0.12s, box-shadow 0.12s;
}
.pali-card:hover {
	transform: translateY(-2px);
	box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}
.pali-card__role {
	font-size: 0.72rem;
	font-weight: 700;
	padding: 0.1rem 0.5rem;
	border-radius: 9999px;
	background: #f3f4f6;
	color: #4b5563;
	margin-bottom: 0.4rem;
	white-space: nowrap;
}
.pali-card__pali {
	font-size: 1.35rem;
	font-weight: 700;
	color: #9a3412;
	line-height: 1.25;
	letter-spacing: 0.01em;
	margin-bottom: 0.2rem;
}
.pali-card__thai {
	font-size: 0.95rem;
	color: #374151;
	line-height: 1.35;
	margin-bottom: 0.5rem;
}
.pali-card__order {
	margin-top: auto;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.25rem;
	height: 2.25rem;
	border-radius: 9999px;
	background: #fff7ed;
	border: 1px solid #fed7aa;
	color: #9a3412;
}
.pali-card__order-num {
	font-size: 1.5rem;
	font-weight: 700;
	line-height: 1;
}

/* Step-colored top stripe + role chip + border */
.pali-card::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 5px;
	border-top-left-radius: 9px;
	border-top-right-radius: 9px;
	background: #e5e7eb;
}
.pali-card.step-1 { border-color: #fecaca; }
.pali-card.step-1::before { background: var(--step-1); }
.pali-card.step-1 .pali-card__role { background: #fef2f2; color: var(--step-1); }

.pali-card.step-2 { border-color: #fed7aa; }
.pali-card.step-2::before { background: var(--step-2); }
.pali-card.step-2 .pali-card__role { background: #fff7ed; color: #9a3412; }

.pali-card.step-3 { border-color: #fde68a; }
.pali-card.step-3::before { background: var(--step-3); }
.pali-card.step-3 .pali-card__role { background: #fefce8; color: #78350f; }

.pali-card.step-4 { border-color: #a7f3d0; }
.pali-card.step-4::before { background: var(--step-4); }
.pali-card.step-4 .pali-card__role { background: #ecfdf5; color: var(--step-4); }

.pali-card.step-5 { border-color: #99f6e4; }
.pali-card.step-5::before { background: var(--step-5); }
.pali-card.step-5 .pali-card__role { background: #f0fdfa; color: var(--step-5); }

.pali-card.step-6 { border-color: #bae6fd; }
.pali-card.step-6::before { background: var(--step-6); }
.pali-card.step-6 .pali-card__role { background: #f0f9ff; color: var(--step-6); }

.pali-card.step-7 { border-color: #c7d2fe; }
.pali-card.step-7::before { background: var(--step-7); }
.pali-card.step-7 .pali-card__role { background: #eef2ff; color: var(--step-7); }

.pali-card.step-8 { border-color: #ddd6fe; }
.pali-card.step-8::before { background: var(--step-8); }
.pali-card.step-8 .pali-card__role { background: #f5f3ff; color: var(--step-8); }

.pali-card.step-9 { border-color: #fbcfe8; }
.pali-card.step-9::before { background: var(--step-9); }
.pali-card.step-9 .pali-card__role { background: #fdf2f8; color: var(--step-9); }

@media (max-width: 640px) {
	.pali-card {
		flex: 1 1 calc(50% - 0.5rem);
		min-width: 0;
		max-width: none;
	}
	.pali-card__pali {
		font-size: 1.2rem;
	}
	.answer-section-header .answer-view-toggle .btn-view-mode {
		padding: 0.25rem 0.5rem;
		font-size: 0.72rem;
	}
}

/* The original h3 inside the answer-section can be hidden — the bar replaces it */
.answer-section h3.answer-heading {
	margin-top: 0.25rem;
	font-size: 1rem;
	color: #065f46;
}

/* ---------- Checklist items (- [ ]  style) ---------- */
.exercise-content ul li input[type="checkbox"] {
	margin-right: 0.4rem;
	accent-color: #f97316;
}

/* ---------- Responsive tweaks ---------- */
@media (max-width: 640px) {
	.exercise-content {
		font-size: 1rem;
	}
	.exercise-content h1 {
		font-size: 1.55rem;
	}
	.exercise-content h2 {
		font-size: 1.2rem;
	}
	.exercise-content blockquote.pali-sentence-callout {
		font-size: 1.1rem;
		padding: 1rem 0.75rem;
	}
	.exercise-content table {
		font-size: 0.88rem;
	}
	.exercise-content th, .exercise-content td {
		padding: 0.45rem 0.5rem;
	}
}