/**
 * Interactive Video Learning — Front-end Player Styles
 *
 * All classes are prefixed with `ivl-` to avoid theme conflicts.
 * v1.1.0 — Fixed: mobile caption overlap, dictation footer sticky, fullscreen
 *
 * @package InteractiveVideoLearning
 */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=DM+Sans:wght@400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

/* ── CSS Variables (light theme default) ── */
.ivl-player {
	--ivl-red: #f47b7b;
	--ivl-red-light: #fde8e8;
	--ivl-red-dark: #e05c5c;
	--ivl-navy: #1a2340;
	--ivl-g1: #f8f9fb;
	--ivl-g2: #eef0f4;
	--ivl-g3: #d8dce6;
	--ivl-g4: #9aa0b5;
	--ivl-g6: #5a6278;
	--ivl-g8: #2d3452;
	--ivl-white: #fff;
	--ivl-ok: #52b788;
	--ivl-ng: #e05c5c;

	font-family: 'DM Sans', sans-serif;
	color: var(--ivl-g8);
	box-sizing: border-box;
	position: relative;
}

/* ── DARK THEME — Gold accent ──
 * Activated by .ivl-theme-dark class on .ivl-player container.
 * Strategy: override existing CSS variables with dark/gold equivalents.
 * This makes all existing rules instantly dark-themed without rewriting them.
 */
.ivl-player.ivl-theme-dark {
	--ivl-red:       #c9a83e;
	--ivl-red-light: #3a2f12;
	--ivl-red-dark:  #d4b54a;

	--ivl-white: #1a1a1a;
	--ivl-g1:    #1f1f1f;
	--ivl-g2:    #2a2a2a;
	--ivl-g3:    #3a3a3a;

	--ivl-g4:   #777777;
	--ivl-g6:   #aaaaaa;
	--ivl-g8:   #e8e8e8;
	--ivl-navy: #d4b54a;

	--ivl-ok: #4ade80;
	--ivl-ng: #ef6b6b;

	color: var(--ivl-g8);
}

/* Smooth theme transition — applied only when theme is actively switching.
 * Using a body-level class avoids the perf cost of always running transitions
 * on every element. JS toggles `ivl-theme-transitioning` for 300ms on switch. */
.ivl-player.ivl-theme-transitioning,
.ivl-player.ivl-theme-transitioning * {
	transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

/* Dark mode tweaks for elements with hardcoded colors */
.ivl-player.ivl-theme-dark input,
.ivl-player.ivl-theme-dark textarea,
.ivl-player.ivl-theme-dark select {
	background: var(--ivl-g2);
	color: var(--ivl-g8);
	border-color: var(--ivl-g3);
}

.ivl-player.ivl-theme-dark .ivl-furi-btn,
.ivl-player.ivl-theme-dark .ivl-spd-btn,
.ivl-player.ivl-theme-dark .ivl-ab-btn {
	background: var(--ivl-g2);
	color: var(--ivl-g6);
	border-color: var(--ivl-g3);
}

.ivl-player.ivl-theme-dark .ivl-furi-btn.active,
.ivl-player.ivl-theme-dark .ivl-spd-btn.active,
.ivl-player.ivl-theme-dark .ivl-ab-btn.active {
	background: var(--ivl-red);
	color: #1a1a1a;
	border-color: var(--ivl-red);
}

/* Dark mode: ruby furigana glows gold */
.ivl-player.ivl-theme-dark ruby rt {
	color: var(--ivl-red);
}

/* Theme toggle button in toolbar */
.ivl-theme-toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	height: 28px;
	border-radius: 6px;
	border: 1px solid var(--ivl-g3);
	background: var(--ivl-white);
	cursor: pointer;
	font-size: 14px;
	padding: 0;
	margin-left: 6px;
	transition: all 0.15s;
}
.ivl-theme-toggle:hover {
	border-color: var(--ivl-red);
}

.ivl-player *,
.ivl-player *::before,
.ivl-player *::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

/* ── Main Layout: Desktop 2-column ── */
.ivl-main {
	display: grid;
	grid-template-columns: 1fr 460px;
	height: 85vh;
	min-height: 520px;
	overflow: hidden;
	background: var(--ivl-g1);
	border-radius: 12px;
	border: 1px solid var(--ivl-g2);
}

.ivl-left {
	display: flex;
	flex-direction: column;
	overflow-y: auto;
	padding: 16px 16px 0;
}

.ivl-right {
	background: var(--ivl-white);
	border-left: 1px solid var(--ivl-g2);
	display: flex;
	flex-direction: column;
	overflow: hidden;
}

/* ── Fullscreen-only left extras: hidden by default ── */
.ivl-fs-left-extras {
	display: none;
}

/* ── Mobile/Tablet: Single column (breakpoint 1024px for LMS embeds) ── */
@media (max-width: 1024px) {
	.ivl-main {
		grid-template-columns: 1fr;
		grid-template-rows: auto 1fr;
		height: 100vh;
		height: 100dvh;
		overflow: hidden;
	}

	.ivl-left {
		overflow: hidden;
		padding: 4px 4px 0;
		flex-shrink: 0;
	}

	.ivl-right {
		border-left: none;
		border-top: 1px solid var(--ivl-g2);
		min-height: 0;
		overflow: hidden;
	}

	/* Compact: reduce header heights */
	.ivl-vlang { padding: 4px 8px; gap: 3px; }
	.ivl-vlang .ivl-fb { width: 28px; height: 22px; }
	.ivl-vlang .ivl-fb img { width: 15px; }
	.ivl-tabs { padding: 4px 6px 0; }
	.ivl-tab { padding: 5px 3px; font-size: 12px; border-bottom-width: 2px; }
	.ivl-toolbar { padding: 3px 6px; gap: 3px; }
	.ivl-spd-btn, .ivl-ab-btn { padding: 2px 7px; font-size: 10px; }
	.ivl-dtop { padding: 4px 6px; gap: 3px; }
	.ivl-dtyp { padding: 3px 10px; font-size: 11px; }
	.ivl-dstats { padding: 3px 6px; }
	.ivl-sl { font-size: 8px; }
	.ivl-sv { font-size: 14px; }
	.ivl-ci { padding: 6px 10px; }
	.ivl-cx { font-size: 12px; }
	.ivl-ct { font-size: 9px; margin-bottom: 1px; }
	.ivl-dfoot, .ivl-sh-foot {
		padding: 6px; gap: 4px;
		padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
	}
	.ivl-dfoot button, .ivl-sh-foot button { padding: 7px 3px; font-size: 11px; }
	.ivl-help-bar { padding: 4px 6px; padding-bottom: calc(4px + env(safe-area-inset-bottom, 0px)); }
	.ivl-help-btn { padding: 5px 10px; font-size: 11px; }
	.ivl-vtitle { font-size: 13px; }

	/* Hide video meta in mobile to save space — title visible inside YouTube player */
	.ivl-vmeta {
		padding: 4px 4px 2px;
	}
	.ivl-vmeta .ivl-vmeta-left {
		display: none;
	}

	/* Smaller video embed in mobile */
	.ivl-vwrap {
		border-radius: 6px;
	}

	/*
	 * FIX: Caption list scroll-padding to prevent active caption
	 * from being hidden behind the top edge on Android/mobile.
	 * The first caption gets top padding so scroll-into-view has clearance.
	 */
	.ivl-cl {
		scroll-padding-top: 8px;
	}
	.ivl-cl .ivl-ci:first-child {
		margin-top: 4px;
	}
	.ivl-ci.active {
		scroll-margin-top: 8px;
	}
}

/* ── Video Embed ── */
.ivl-vwrap {
	background: #000;
	flex-shrink: 0;
	border-radius: 10px;
	overflow: hidden;
	max-width: 820px;
	position: relative;
}

.ivl-vwrap iframe,
.ivl-ytframe {
	width: 100%;
	aspect-ratio: 16 / 9;
	border: none;
	display: block;
}

/* ── Full shield: covers video, blocks all clicks to YouTube ── */
.ivl-vshield {
	position: absolute;
	inset: 0;
	z-index: 5;
	cursor: pointer;
	background: transparent;
}

/* ── Custom Control Bar ── */
.ivl-cc {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 8px 12px;
	margin-top: 6px;
	background: var(--ivl-g1);
	border: 1px solid var(--ivl-g2);
	border-radius: 10px;
	max-width: 820px;
	flex-shrink: 0;
}
.ivl-cc-play {
	flex-shrink: 0;
	width: 34px;
	height: 34px;
	border-radius: 50%;
	border: none;
	background: var(--ivl-red);
	color: #fff;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background 0.15s, transform 0.1s;
	padding: 0;
}
.ivl-cc-play:hover { background: var(--ivl-red-dark); }
.ivl-cc-play:active { transform: scale(0.94); }
.ivl-cc-play .ivl-cc-ico-pause { display: none; }
.ivl-cc-play.playing .ivl-cc-ico-play { display: none; }
.ivl-cc-play.playing .ivl-cc-ico-pause { display: block; }
.ivl-cc-time {
	flex-shrink: 0;
	font-family: 'DM Mono', monospace;
	font-size: 12px;
	color: var(--ivl-g6);
	min-width: 38px;
	text-align: center;
}
.ivl-cc-track {
	flex: 1;
	position: relative;
	height: 6px;
	background: var(--ivl-g3);
	border-radius: 3px;
	cursor: pointer;
	min-width: 60px;
}
.ivl-cc-fill {
	position: absolute;
	left: 0;
	top: 0;
	height: 100%;
	width: 0;
	background: var(--ivl-red);
	border-radius: 3px;
	pointer-events: none;
}
.ivl-cc-handle {
	position: absolute;
	top: 50%;
	left: 0;
	width: 14px;
	height: 14px;
	background: var(--ivl-red);
	border: 2px solid #fff;
	border-radius: 50%;
	transform: translate(-50%, -50%);
	box-shadow: 0 1px 3px rgba(0,0,0,0.3);
	pointer-events: none;
	transition: left 0.1s linear;
}

/* ── Video title + author bar (under video, left side) ── */
.ivl-vmeta {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	padding: 8px 4px 6px;
	gap: 8px;
}

.ivl-vmeta-left {
	flex: 1;
	min-width: 0;
}

.ivl-vtitle {
	font-size: 15px;
	font-weight: 700;
	color: var(--ivl-navy);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.ivl-vauthor {
	font-size: 11px;
	color: var(--ivl-g4);
	margin-top: 1px;
}

@media (max-width: 820px) {
	.ivl-vtitle {
		font-size: 13px;
	}
}

/* ── Fullscreen Top Bar (outside .ivl-main, spans full width — hidden by default) ── */
.ivl-fs-topbar {
	display: none;
	align-items: center;
	gap: 12px;
	padding: 10px 20px;
	background: #2a2a2a;
	flex-shrink: 0;
}
.ivl-fs-topbar-info { flex: 1; min-width: 0; }
.ivl-fs-topbar-title {
	font-size: 16px; font-weight: 700;
	color: #e8e8e8;
	white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ivl-fs-topbar-section {
	font-size: 11px; color: #888;
	font-family: 'DM Mono', monospace;
}

/* ── Fullscreen button — Dark/Gold theme ── */
.ivl-fs-btn {
	flex-shrink: 0;
	padding: 8px 16px;
	border-radius: 100px;
	border: 1.5px solid #b8972e;
	background: #2a2a2a;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	font-size: 13px;
	font-weight: 600;
	font-family: 'DM Sans', sans-serif;
	color: #c9a83e;
	transition: all 0.2s;
	animation: ivl-fs-glow 2.8s ease-in-out infinite;
	line-height: 1;
}

.ivl-fs-btn svg { flex-shrink: 0; }

@keyframes ivl-fs-glow {
	0%, 100% { box-shadow: 0 0 0 0 rgba(196, 164, 74, 0); }
	50% { box-shadow: 0 0 0 4px rgba(196, 164, 74, 0.15); }
}

.ivl-fs-btn:hover {
	background: #c9a83e;
	border-color: #c9a83e;
	color: #1a1a1a;
	transform: scale(1.03);
	animation: none;
}
.ivl-fs-btn:hover svg path { stroke: #1a1a1a; }

.ivl-fs-btn.active {
	background: #c9a83e;
	border-color: #c9a83e;
	color: #1a1a1a;
	animation: none;
}
.ivl-fs-btn.active svg path { stroke: #1a1a1a; }

/* Exit variant — no pulse */
.ivl-fs-btn-exit { animation: none; }

/* Mobile: smaller fullscreen button */
@media (max-width: 1024px) {
	.ivl-fs-btn {
		padding: 5px 10px;
		font-size: 11px;
		gap: 4px;
	}
	.ivl-fs-btn svg { width: 11px; height: 11px; }
}

/* ── Language Bar — now inside .ivl-right, above tabs ── */
.ivl-vlang {
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
	padding: 8px 10px;
	border-bottom: 1px solid var(--ivl-g2);
	background: var(--ivl-g1);
	flex-shrink: 0;
}

.ivl-vlang .ivl-fb {
	width: 34px;
	height: 26px;
	border-radius: 6px;
	border: 2px solid var(--ivl-g3);
	cursor: pointer;
	font-size: 15px;
	background: var(--ivl-white);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.12s;
}

.ivl-vlang .ivl-fb:hover {
	border-color: var(--ivl-red);
	transform: scale(1.08);
}

.ivl-vlang .ivl-fb.active {
	border-color: var(--ivl-red);
	background: var(--ivl-red-light);
	box-shadow: 0 0 0 2px rgba(244, 123, 123, 0.2);
}

.ivl-vlang .ivl-fb img {
	width: 18px;
	height: auto;
	border-radius: 2px;
}

/* ── Tabs ── */
.ivl-tabs {
	display: flex;
	padding: 8px 8px 0;
	gap: 2px;
	border-bottom: 1px solid var(--ivl-g2);
	flex-shrink: 0;
}

.ivl-tab {
	flex: 1;
	padding: 8px 4px;
	border: none;
	background: none;
	font-family: 'DM Sans', sans-serif;
	font-size: 13px;
	font-weight: 600;
	color: var(--ivl-g4);
	cursor: pointer;
	border-bottom: 3px solid transparent;
	margin-bottom: -1px;
	transition: all 0.15s;
	border-radius: 7px 7px 0 0;
}

.ivl-tab.active {
	color: var(--ivl-red);
	border-bottom-color: var(--ivl-red);
	background: var(--ivl-red-light);
}

/* ── Furigana Toggle Bar ── */
.ivl-furi-bar {
	display: flex;
	align-items: center;
	padding: 4px 10px;
	border-bottom: 1px solid var(--ivl-g2);
	flex-shrink: 0;
}

.ivl-furi-btn {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	padding: 3px 10px;
	border-radius: 6px;
	border: 1px solid var(--ivl-g3);
	background: var(--ivl-white);
	font-family: 'DM Sans', sans-serif;
	font-size: 12px;
	font-weight: 600;
	color: var(--ivl-g6);
	cursor: pointer;
	transition: all 0.12s;
}

.ivl-furi-btn:hover {
	border-color: var(--ivl-red);
}

.ivl-furi-btn.active {
	background: var(--ivl-red);
	border-color: var(--ivl-red);
	color: #fff;
}

/* ── Difficulty Selector ── */
.ivl-diff-bar {
	position: relative;
	display: flex;
	align-items: center;
	padding: 4px 10px;
	border-bottom: 1px solid var(--ivl-g2);
	flex-shrink: 0;
}
.ivl-diff-btn {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	padding: 3px 10px;
	min-height: 32px;
	border-radius: 6px;
	border: 1px solid var(--ivl-g3);
	background: var(--ivl-white);
	font-family: 'DM Sans', sans-serif;
	font-size: 12px;
	font-weight: 600;
	color: var(--ivl-g6);
	cursor: pointer;
	transition: all 0.12s;
	-webkit-tap-highlight-color: transparent;
	touch-action: manipulation;
}
.ivl-diff-btn:hover {
	border-color: var(--ivl-red);
}
.ivl-diff-btn[disabled] {
	opacity: 0.55;
	cursor: not-allowed;
}
.ivl-diff-menu {
	position: absolute;
	top: 100%;
	left: 10px;
	z-index: 100;
	background: var(--ivl-white);
	border: 1px solid var(--ivl-g3);
	border-radius: 8px;
	padding: 4px;
	margin-top: 2px;
	min-width: 140px;
	box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}
.ivl-diff-opt {
	display: block;
	width: 100%;
	padding: 8px 12px;
	min-height: 36px;
	border: none;
	background: transparent;
	text-align: left;
	font-family: 'DM Sans', sans-serif;
	font-size: 13px;
	color: var(--ivl-g8);
	cursor: pointer;
	border-radius: 4px;
	-webkit-tap-highlight-color: transparent;
	touch-action: manipulation;
}
.ivl-diff-opt:hover {
	background: var(--ivl-g1);
}
.ivl-diff-opt.active {
	background: var(--ivl-red);
	color: #fff;
}

/* ── Difficulty recommendation hint (when lesson has custom blank_mode) ── */
.ivl-diff-hint {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	margin-left: 6px;
	padding: 2px 8px;
	min-height: 26px;
	border: 1px dashed var(--ivl-red);
	background: var(--ivl-red-light);
	border-radius: 14px;
	font-family: 'DM Sans', sans-serif;
	font-size: 11px;
	font-weight: 500;
	color: var(--ivl-red);
	cursor: pointer;
	transition: all 0.15s;
	white-space: nowrap;
	-webkit-tap-highlight-color: transparent;
	touch-action: manipulation;
}
.ivl-diff-hint:hover {
	background: var(--ivl-red);
	color: #fff;
	border-style: solid;
}
.ivl-diff-hint::before {
	content: '💡';
	font-size: 11px;
}

/* Mobile: prevent dropdown overflowing right edge */
@media (max-width: 480px) {
	.ivl-diff-menu {
		left: auto;
		right: 10px;
		min-width: 160px;
	}
	.ivl-diff-btn {
		font-size: 13px;
		padding: 6px 12px;
	}
	/* On very small screens, hide the recommendation hint text to save space,
	   but keep the 💡 icon clickable so users can still apply it. */
	.ivl-diff-hint {
		font-size: 0;
		padding: 4px 6px;
		min-width: 28px;
	}
	.ivl-diff-hint::before {
		font-size: 14px;
	}
}

/* ── Ruby (Furigana) styles — cross-platform (desktop, iOS, Android) ── */
.ivl-player ruby {
	ruby-align: center;
	ruby-position: over;
	-webkit-ruby-position: before; /* iOS Safari & older WebKit */
}

.ivl-player ruby rt {
	font-size: 0.55em;
	color: var(--ivl-red);
	font-weight: 400;
	line-height: 1.1;
	user-select: none; /* prevent accidental copy of furigana */
}

/* Increase ruby font on small screens so furigana stays readable */
@media (max-width: 820px) {
	.ivl-player ruby rt {
		font-size: 0.6em;
	}
}

/* Hide all furigana (rt) when toggle is off */
.ivl-player .ivl-no-furi ruby rt {
	visibility: hidden;
}

/* Optional: prevent line-height collapse when furigana toggle is off */
.ivl-player .ivl-no-furi ruby {
	line-height: inherit;
}

/* ── Dictation Word Input Rows ── */
.ivl-dinput-rows {
	display: flex;
	flex-direction: column;
	gap: 6px;
	margin-top: 8px;
}

.ivl-dinput-row {
	display: flex;
	align-items: center;
	gap: 6px;
}

.ivl-dinput-row input {
	flex: 1;
	border: 2px solid var(--ivl-g3);
	border-radius: 8px;
	padding: 8px 10px;
	font-family: 'Noto Sans JP', sans-serif;
	font-size: 14px;
	color: var(--ivl-navy);
	outline: none;
	background: rgba(255, 255, 255, 0.8);
	transition: border 0.15s;
}

.ivl-dinput-row input:focus {
	border-color: var(--ivl-red);
}

.ivl-dinput-row input.ok {
	border-color: var(--ivl-ok);
	color: var(--ivl-ok);
}

.ivl-dinput-row input.ng {
	border-color: var(--ivl-ng);
	color: var(--ivl-ng);
}

.ivl-dinput-check {
	padding: 7px 14px;
	border-radius: 8px;
	border: none;
	background: var(--ivl-red);
	color: #fff;
	font-family: 'DM Sans', sans-serif;
	font-size: 12px;
	font-weight: 600;
	cursor: pointer;
	flex-shrink: 0;
	transition: background 0.15s;
}

.ivl-dinput-check:hover {
	background: var(--ivl-red-dark);
}

/* ── Standard Panel ── */
.ivl-sp {
	flex: 1;
	overflow: hidden;
	display: flex;
	flex-direction: column;
}

.ivl-cl {
	flex: 1;
	overflow-y: auto;
	padding: 3px 0;
	-webkit-overflow-scrolling: touch;
}

.ivl-cl::-webkit-scrollbar {
	width: 3px;
}

.ivl-cl::-webkit-scrollbar-thumb {
	background: var(--ivl-g3);
	border-radius: 3px;
}

/* Caption item */
.ivl-ci {
	padding: 9px 12px;
	cursor: pointer;
	border-left: 3px solid transparent;
	transition: all 0.12s;
}

.ivl-ci:hover {
	background: var(--ivl-g1);
}

.ivl-ci.active {
	border-left-color: var(--ivl-red);
	background: var(--ivl-red-light);
}

.ivl-ct {
	font-size: 10px;
	color: var(--ivl-g4);
	font-family: 'DM Mono', monospace;
	margin-bottom: 2px;
}

.ivl-cx {
	font-family: 'Noto Sans JP', sans-serif;
	font-size: 13px;
	line-height: 1.6;
	color: var(--ivl-g8);
}

.ivl-ctr {
	font-size: 11px;
	color: var(--ivl-g4);
	margin-top: 2px;
	line-height: 1.5;
}

/* ── Dictation Panel — uses flex column with sticky footer ── */
.ivl-dp {
	flex: 1;
	overflow: hidden;
	display: flex;
	flex-direction: column;
}

.ivl-dtop {
	display: flex;
	gap: 5px;
	padding: 6px 8px;
	border-bottom: 1px solid var(--ivl-g2);
	flex-shrink: 0;
}

.ivl-dtyp {
	padding: 4px 12px;
	border-radius: 6px;
	border: 1px solid var(--ivl-g3);
	background: none;
	font-size: 12px;
	font-weight: 600;
	cursor: pointer;
	color: var(--ivl-g6);
	transition: all 0.12s;
	font-family: 'DM Sans', sans-serif;
}

.ivl-dtyp.active {
	background: var(--ivl-red);
	border-color: var(--ivl-red);
	color: #fff;
}

/* Stats bar */
.ivl-dstats {
	display: grid;
	grid-template-columns: 1fr 1fr 1fr;
	padding: 6px 8px;
	background: var(--ivl-g1);
	border-bottom: 1px solid var(--ivl-g2);
	flex-shrink: 0;
}

.ivl-sb {
	text-align: center;
}

.ivl-sl {
	font-size: 9px;
	font-weight: 700;
	letter-spacing: 0.06em;
	color: var(--ivl-g4);
	text-transform: uppercase;
}

.ivl-sv {
	font-size: 17px;
	font-weight: 700;
	color: var(--ivl-red);
	font-family: 'DM Mono', monospace;
}

.ivl-sv-n {
	color: var(--ivl-g8);
}

.ivl-ab {
	height: 3px;
	background: var(--ivl-g2);
	border-radius: 2px;
	overflow: hidden;
	margin-top: 2px;
}

.ivl-af {
	height: 100%;
	background: linear-gradient(90deg, var(--ivl-red), var(--ivl-ok));
	transition: width 0.4s;
}

/* Navigation */
.ivl-dnav {
	display: flex;
	align-items: center;
	padding: 4px 8px;
	border-bottom: 1px solid var(--ivl-g2);
	gap: 1px;
	flex-shrink: 0;
}

.ivl-dnav button {
	background: none;
	border: none;
	cursor: pointer;
	font-size: 14px;
	color: var(--ivl-g6);
	padding: 3px 7px;
	border-radius: 5px;
}

.ivl-dnav button:hover {
	background: var(--ivl-g1);
}

.ivl-dpos {
	margin-left: auto;
	font-size: 10px;
	color: var(--ivl-g4);
	font-family: 'DM Mono', monospace;
}

/* Dictation body — scrollable middle area, shrinks to make room for footer */
.ivl-db {
	flex: 1;
	overflow-y: auto;
	padding: 10px;
	min-height: 0;
	-webkit-overflow-scrolling: touch;
}

.ivl-db::-webkit-scrollbar {
	width: 3px;
}

.ivl-db::-webkit-scrollbar-thumb {
	background: var(--ivl-g3);
	border-radius: 3px;
}

.ivl-dcur {
	background: var(--ivl-red-light);
	border: 2px solid var(--ivl-red);
	border-radius: 10px;
	padding: 11px;
	margin-bottom: 8px;
}

.ivl-dclbl {
	font-size: 9px;
	font-weight: 700;
	color: var(--ivl-red-dark);
	text-transform: uppercase;
	letter-spacing: 0.06em;
	margin-bottom: 6px;
}

.ivl-bw {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	align-items: flex-end;
}

.ivl-wb {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 1px;
}

.ivl-wh {
	font-size: 9px;
	color: var(--ivl-g4);
	font-family: 'DM Mono', monospace;
}

.ivl-ws {
	font-family: 'Noto Sans JP', sans-serif;
	font-size: 14px;
	color: var(--ivl-g8);
	padding: 2px 2px;
}

.ivl-wi {
	border: none;
	border-bottom: 2px solid var(--ivl-red);
	background: transparent;
	text-align: center;
	font-family: 'Noto Sans JP', sans-serif;
	font-size: 14px;
	color: var(--ivl-navy);
	outline: none;
	padding: 2px 3px;
	min-width: 32px;
	transition: border-color 0.15s;
}

.ivl-wi:focus {
	border-bottom-color: #4eb3b3;
}

.ivl-wi.ok {
	border-bottom-color: var(--ivl-ok);
	color: var(--ivl-ok);
}

.ivl-wi.ng {
	border-bottom-color: var(--ivl-ng);
	color: var(--ivl-ng);
}

.ivl-wi.rv {
	border-bottom-color: var(--ivl-g3);
	color: var(--ivl-g4);
	font-style: italic;
}

/* Sentence input */
.ivl-si2 {
	width: 100%;
	border: 2px solid var(--ivl-red);
	border-radius: 8px;
	padding: 9px;
	font-family: 'Noto Sans JP', sans-serif;
	font-size: 13px;
	color: var(--ivl-navy);
	outline: none;
	resize: none;
	min-height: 64px;
	background: rgba(255, 255, 255, 0.7);
	transition: border 0.15s;
}

.ivl-si2.ok {
	border-color: var(--ivl-ok);
	color: var(--ivl-ok);
}

.ivl-si2.ng {
	border-color: var(--ivl-ng);
	color: var(--ivl-ng);
}

.ivl-dhi {
	font-size: 11px;
	color: var(--ivl-g4);
	margin-top: 3px;
}

/* Translation box */
.ivl-dtr {
	background: var(--ivl-g1);
	border-radius: 8px;
	padding: 8px;
	font-size: 12px;
	color: var(--ivl-g6);
	margin-bottom: 8px;
	line-height: 1.5;
}

.ivl-dtrl {
	font-size: 9px;
	font-weight: 700;
	color: var(--ivl-g4);
	text-transform: uppercase;
	letter-spacing: 0.05em;
	margin-bottom: 3px;
}

/* Footer buttons — STICKY at bottom, never scrolls away */
.ivl-dfoot {
	display: flex;
	gap: 5px;
	padding: 8px;
	border-top: 1px solid var(--ivl-g2);
	flex-shrink: 0;
	background: var(--ivl-white);
	/* mt-auto pushes to bottom when content is short */
	margin-top: auto;
	align-items: center;
}

.ivl-dfoot .ivl-dpos,
.ivl-sh-foot .ivl-dpos {
	font-size: 10px;
	color: var(--ivl-g4);
	font-family: 'DM Mono', monospace;
	flex-shrink: 0;
	min-width: 36px;
	text-align: right;
}

.ivl-dfoot button {
	flex: 1;
	padding: 8px 4px;
	border-radius: 8px;
	border: 1px solid var(--ivl-g3);
	background: var(--ivl-white);
	font-family: 'DM Sans', sans-serif;
	font-size: 12px;
	font-weight: 600;
	cursor: pointer;
	color: var(--ivl-g6);
	transition: all 0.15s;
}

.ivl-dfoot button:hover {
	background: var(--ivl-g1);
}

.ivl-bchk {
	background: var(--ivl-red) !important;
	border-color: var(--ivl-red) !important;
	color: #fff !important;
}

.ivl-bchk:hover {
	background: var(--ivl-red-dark) !important;
}


/* ══════════════════════════════════════════════════
   FULLSCREEN — Mobile (≤1024px) & Desktop (>1024px)
   ══════════════════════════════════════════════════ */

/* Shared fullscreen base */
.ivl-player:fullscreen,
.ivl-player:-webkit-full-screen,
.ivl-player.ivl-pseudo-fs {
	background: var(--ivl-white);
	border-radius: 0;
	display: flex;
	flex-direction: column;
}

.ivl-player:fullscreen .ivl-main,
.ivl-player:-webkit-full-screen .ivl-main,
.ivl-player.ivl-pseudo-fs .ivl-main {
	flex: 1;
	min-height: 0;
	height: auto;
	border-radius: 0;
	border: none;
}

/* In fullscreen: show topbar, hide the FS button in vmeta */
.ivl-player:fullscreen > .ivl-fs-topbar,
.ivl-player:-webkit-full-screen > .ivl-fs-topbar,
.ivl-player.ivl-pseudo-fs > .ivl-fs-topbar {
	display: flex;
}
.ivl-player:fullscreen .ivl-vmeta .ivl-fs-btn,
.ivl-player:-webkit-full-screen .ivl-vmeta .ivl-fs-btn,
.ivl-player.ivl-pseudo-fs .ivl-vmeta .ivl-fs-btn {
	display: none;
}

/* Pseudo-fullscreen (iOS fallback) */
.ivl-player.ivl-pseudo-fs {
	position: fixed !important;
	top: 0 !important;
	left: 0 !important;
	width: 100vw !important;
	height: 100vh !important;
	height: 100dvh !important;
	z-index: 999999 !important;
	overflow: hidden;
}

/* ── Fullscreen MOBILE (≤1024px): single column, fixed heights ── */
@media (max-width: 1024px) {
	.ivl-player:fullscreen .ivl-main,
	.ivl-player:-webkit-full-screen .ivl-main,
	.ivl-player.ivl-pseudo-fs .ivl-main {
		grid-template-columns: 1fr;
		overflow: hidden;
		grid-template-rows: auto 1fr;
	}

	/* Left panel: video area, no scroll, compact */
	.ivl-player:fullscreen .ivl-left,
	.ivl-player:-webkit-full-screen .ivl-left,
	.ivl-player.ivl-pseudo-fs .ivl-left {
		overflow: hidden;
		position: relative;
		flex-shrink: 0;
	}

	/* Hide video title/author/flags in mobile fullscreen to save space */
	.ivl-player:fullscreen .ivl-vmeta,
	.ivl-player:-webkit-full-screen .ivl-vmeta,
	.ivl-player.ivl-pseudo-fs .ivl-vmeta {
		display: none;
	}

	/* Hide vlang in right panel during mobile fullscreen (saves ~40px vertical) */
	.ivl-player:fullscreen .ivl-right > .ivl-vlang,
	.ivl-player:-webkit-full-screen .ivl-right > .ivl-vlang,
	.ivl-player.ivl-pseudo-fs .ivl-right > .ivl-vlang {
		display: none;
	}

	/* More compact tabs in mobile fullscreen */
	.ivl-player:fullscreen .ivl-tabs,
	.ivl-player:-webkit-full-screen .ivl-tabs,
	.ivl-player.ivl-pseudo-fs .ivl-tabs {
		padding: 2px 6px 0;
	}
	.ivl-player:fullscreen .ivl-tab,
	.ivl-player:-webkit-full-screen .ivl-tab,
	.ivl-player.ivl-pseudo-fs .ivl-tab {
		padding: 4px 2px;
		font-size: 11px;
	}
	.ivl-player:fullscreen .ivl-toolbar,
	.ivl-player:-webkit-full-screen .ivl-toolbar,
	.ivl-player.ivl-pseudo-fs .ivl-toolbar {
		padding: 2px 6px;
	}

	/* Topbar compact on mobile fullscreen */
	.ivl-player:fullscreen > .ivl-fs-topbar,
	.ivl-player:-webkit-full-screen > .ivl-fs-topbar,
	.ivl-player.ivl-pseudo-fs > .ivl-fs-topbar {
		padding: 6px 8px;
		gap: 8px;
	}
	.ivl-player:fullscreen > .ivl-fs-topbar .ivl-fs-btn,
	.ivl-player:-webkit-full-screen > .ivl-fs-topbar .ivl-fs-btn,
	.ivl-player.ivl-pseudo-fs > .ivl-fs-topbar .ivl-fs-btn {
		padding: 4px 10px;
		font-size: 11px;
	}
	.ivl-player:fullscreen .ivl-fs-topbar-title,
	.ivl-player:-webkit-full-screen .ivl-fs-topbar-title,
	.ivl-player.ivl-pseudo-fs .ivl-fs-topbar-title {
		font-size: 13px;
	}

	/* Right panel: fill remaining height */
	.ivl-player:fullscreen .ivl-right,
	.ivl-player:-webkit-full-screen .ivl-right,
	.ivl-player.ivl-pseudo-fs .ivl-right {
		height: 100%;
		min-height: 0;
		display: flex;
		flex-direction: column;
		overflow: hidden;
	}

	.ivl-player:fullscreen .ivl-dfoot,
	.ivl-player:-webkit-full-screen .ivl-dfoot,
	.ivl-player.ivl-pseudo-fs .ivl-dfoot,
	.ivl-player:fullscreen .ivl-sh-foot,
	.ivl-player:-webkit-full-screen .ivl-sh-foot,
	.ivl-player.ivl-pseudo-fs .ivl-sh-foot {
		padding-bottom: calc(8px + env(safe-area-inset-bottom, 0px));
	}

	.ivl-player:fullscreen .ivl-help-bar,
	.ivl-player:-webkit-full-screen .ivl-help-bar,
	.ivl-player.ivl-pseudo-fs .ivl-help-bar {
		padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
	}

	/* Panels fill available space */
	.ivl-player:fullscreen .ivl-dp,
	.ivl-player:-webkit-full-screen .ivl-dp,
	.ivl-player.ivl-pseudo-fs .ivl-dp,
	.ivl-player:fullscreen .ivl-shp,
	.ivl-player:-webkit-full-screen .ivl-shp,
	.ivl-player.ivl-pseudo-fs .ivl-shp,
	.ivl-player:fullscreen .ivl-sp,
	.ivl-player:-webkit-full-screen .ivl-sp,
	.ivl-player.ivl-pseudo-fs .ivl-sp {
		flex: 1; min-height: 0;
		display: flex; flex-direction: column; overflow: hidden;
	}

	.ivl-player:fullscreen .ivl-db,
	.ivl-player:-webkit-full-screen .ivl-db,
	.ivl-player.ivl-pseudo-fs .ivl-db,
	.ivl-player:fullscreen .ivl-sh-body,
	.ivl-player:-webkit-full-screen .ivl-sh-body,
	.ivl-player.ivl-pseudo-fs .ivl-sh-body,
	.ivl-player:fullscreen .ivl-cl,
	.ivl-player:-webkit-full-screen .ivl-cl,
	.ivl-player.ivl-pseudo-fs .ivl-cl {
		flex: 1; min-height: 0; overflow-y: auto;
		-webkit-overflow-scrolling: touch;
	}
}

/* ── Fullscreen DESKTOP (>1024px): proportional 2-column, bigger everything ── */
@media (min-width: 1025px) {
	.ivl-player:fullscreen .ivl-main,
	.ivl-player:-webkit-full-screen .ivl-main,
	.ivl-player.ivl-pseudo-fs .ivl-main {
		grid-template-columns: 1fr 1fr;
	}

	/* Left panel: scroll, bigger padding */
	.ivl-player:fullscreen .ivl-left,
	.ivl-player:-webkit-full-screen .ivl-left,
	.ivl-player.ivl-pseudo-fs .ivl-left {
		padding: 24px 28px;
		overflow-y: auto;
	}

	/* Show fullscreen-only extras (lang bar + help under video) */
	.ivl-player:fullscreen .ivl-fs-left-extras,
	.ivl-player:-webkit-full-screen .ivl-fs-left-extras,
	.ivl-player.ivl-pseudo-fs .ivl-fs-left-extras {
		display: block;
		margin-top: 12px;
	}

	/* Fullscreen PC: bigger lang bar under video */
	.ivl-player:fullscreen .ivl-vlang-fs,
	.ivl-player:-webkit-full-screen .ivl-vlang-fs,
	.ivl-player.ivl-pseudo-fs .ivl-vlang-fs {
		padding: 12px 0;
		gap: 8px;
		border: none;
		background: none;
		flex-wrap: wrap;
	}
	.ivl-player:fullscreen .ivl-vlang-fs .ivl-fb,
	.ivl-player:-webkit-full-screen .ivl-vlang-fs .ivl-fb,
	.ivl-player.ivl-pseudo-fs .ivl-vlang-fs .ivl-fb {
		width: 52px;
		height: 38px;
		border-radius: 8px;
	}
	.ivl-player:fullscreen .ivl-vlang-fs .ivl-fb img,
	.ivl-player:-webkit-full-screen .ivl-vlang-fs .ivl-fb img,
	.ivl-player.ivl-pseudo-fs .ivl-vlang-fs .ivl-fb img {
		width: 30px;
	}

	/* Fullscreen PC: help bar under video */
	.ivl-player:fullscreen .ivl-help-bar-fs,
	.ivl-player:-webkit-full-screen .ivl-help-bar-fs,
	.ivl-player.ivl-pseudo-fs .ivl-help-bar-fs {
		text-align: left;
		padding: 8px 0;
		border: none;
		background: none;
	}
	.ivl-player:fullscreen .ivl-help-bar-fs .ivl-help-btn,
	.ivl-player:-webkit-full-screen .ivl-help-bar-fs .ivl-help-btn,
	.ivl-player.ivl-pseudo-fs .ivl-help-bar-fs .ivl-help-btn {
		width: auto;
		font-size: 14px;
		padding: 8px 16px;
	}

	/* Fullscreen PC: cloned footer below video */
	.ivl-player:fullscreen .ivl-fs-left-footer,
	.ivl-player:-webkit-full-screen .ivl-fs-left-footer,
	.ivl-player.ivl-pseudo-fs .ivl-fs-left-footer {
		display: flex;
		gap: 8px;
		padding: 12px 0;
		flex-wrap: wrap;
		border: none;
		background: none;
	}
	.ivl-player:fullscreen .ivl-fs-left-footer button,
	.ivl-player:-webkit-full-screen .ivl-fs-left-footer button,
	.ivl-player.ivl-pseudo-fs .ivl-fs-left-footer button {
		padding: 10px 16px;
		border-radius: 8px;
		border: 1px solid var(--ivl-g3);
		background: var(--ivl-white);
		font-family: 'DM Sans', sans-serif;
		font-size: 14px;
		font-weight: 600;
		cursor: pointer;
		color: var(--ivl-g6);
		transition: all 0.15s;
	}
	.ivl-player:fullscreen .ivl-fs-left-footer button:hover,
	.ivl-player:-webkit-full-screen .ivl-fs-left-footer button:hover,
	.ivl-player.ivl-pseudo-fs .ivl-fs-left-footer button:hover {
		background: var(--ivl-g1);
	}
	.ivl-player:fullscreen .ivl-fs-left-footer .ivl-bchk,
	.ivl-player:-webkit-full-screen .ivl-fs-left-footer .ivl-bchk,
	.ivl-player.ivl-pseudo-fs .ivl-fs-left-footer .ivl-bchk {
		background: var(--ivl-red) !important;
		border-color: var(--ivl-red) !important;
		color: #fff !important;
	}
	.ivl-player:fullscreen .ivl-fs-left-footer .ivl-bchk:hover,
	.ivl-player:-webkit-full-screen .ivl-fs-left-footer .ivl-bchk:hover,
	.ivl-player.ivl-pseudo-fs .ivl-fs-left-footer .ivl-bchk:hover {
		background: var(--ivl-red-dark) !important;
	}
	.ivl-player:fullscreen .ivl-fs-left-footer .ivl-sh-rec,
	.ivl-player:-webkit-full-screen .ivl-fs-left-footer .ivl-sh-rec,
	.ivl-player.ivl-pseudo-fs .ivl-fs-left-footer .ivl-sh-rec {
		background: var(--ivl-red) !important;
		border-color: var(--ivl-red) !important;
		color: #fff !important;
	}
	.ivl-player:fullscreen .ivl-fs-left-footer .ivl-sh-check,
	.ivl-player:-webkit-full-screen .ivl-fs-left-footer .ivl-sh-check,
	.ivl-player.ivl-pseudo-fs .ivl-fs-left-footer .ivl-sh-check {
		background: #4eb3b3 !important;
		border-color: #4eb3b3 !important;
		color: #fff !important;
	}
	.ivl-player:fullscreen .ivl-fs-left-footer .ivl-dpos,
	.ivl-player:-webkit-full-screen .ivl-fs-left-footer .ivl-dpos,
	.ivl-player.ivl-pseudo-fs .ivl-fs-left-footer .ivl-dpos {
		font-size: 12px;
		color: var(--ivl-g4);
		font-family: 'DM Mono', monospace;
		align-self: center;
	}

	/* Hide the right-panel vlang and help-bar in fullscreen PC */
	.ivl-player:fullscreen .ivl-right > .ivl-vlang,
	.ivl-player:-webkit-full-screen .ivl-right > .ivl-vlang,
	.ivl-player.ivl-pseudo-fs .ivl-right > .ivl-vlang {
		display: none;
	}
	.ivl-player:fullscreen .ivl-right > .ivl-help-bar,
	.ivl-player:-webkit-full-screen .ivl-right > .ivl-help-bar,
	.ivl-player.ivl-pseudo-fs .ivl-right > .ivl-help-bar {
		display: none;
	}

	/* Bigger video title */
	.ivl-player:fullscreen .ivl-vtitle,
	.ivl-player:-webkit-full-screen .ivl-vtitle,
	.ivl-player.ivl-pseudo-fs .ivl-vtitle {
		font-size: 18px;
	}
	.ivl-player:fullscreen .ivl-vauthor,
	.ivl-player:-webkit-full-screen .ivl-vauthor,
	.ivl-player.ivl-pseudo-fs .ivl-vauthor {
		font-size: 13px;
	}

	/* Right panel: bigger fonts and padding */
	.ivl-player:fullscreen .ivl-right,
	.ivl-player:-webkit-full-screen .ivl-right,
	.ivl-player.ivl-pseudo-fs .ivl-right {
		display: flex;
		flex-direction: column;
		overflow: hidden;
	}

	.ivl-player:fullscreen .ivl-tabs,
	.ivl-player:-webkit-full-screen .ivl-tabs,
	.ivl-player.ivl-pseudo-fs .ivl-tabs {
		padding: 12px 16px 0;
	}
	.ivl-player:fullscreen .ivl-tab,
	.ivl-player:-webkit-full-screen .ivl-tab,
	.ivl-player.ivl-pseudo-fs .ivl-tab {
		font-size: 15px;
		padding: 10px 8px;
	}

	.ivl-player:fullscreen .ivl-toolbar,
	.ivl-player:-webkit-full-screen .ivl-toolbar,
	.ivl-player.ivl-pseudo-fs .ivl-toolbar {
		padding: 8px 16px;
	}

	/* Bigger caption text */
	.ivl-player:fullscreen .ivl-ci,
	.ivl-player:-webkit-full-screen .ivl-ci,
	.ivl-player.ivl-pseudo-fs .ivl-ci {
		padding: 12px 18px;
	}
	.ivl-player:fullscreen .ivl-cx,
	.ivl-player:-webkit-full-screen .ivl-cx,
	.ivl-player.ivl-pseudo-fs .ivl-cx {
		font-size: 16px;
	}
	.ivl-player:fullscreen .ivl-ctr,
	.ivl-player:-webkit-full-screen .ivl-ctr,
	.ivl-player.ivl-pseudo-fs .ivl-ctr {
		font-size: 13px;
	}
	.ivl-player:fullscreen .ivl-ct,
	.ivl-player:-webkit-full-screen .ivl-ct,
	.ivl-player.ivl-pseudo-fs .ivl-ct {
		font-size: 11px;
	}

	/* Bigger dictation */
	.ivl-player:fullscreen .ivl-dstats,
	.ivl-player:-webkit-full-screen .ivl-dstats,
	.ivl-player.ivl-pseudo-fs .ivl-dstats {
		padding: 10px 16px;
	}
	.ivl-player:fullscreen .ivl-sv,
	.ivl-player:-webkit-full-screen .ivl-sv,
	.ivl-player.ivl-pseudo-fs .ivl-sv {
		font-size: 22px;
	}
	.ivl-player:fullscreen .ivl-db,
	.ivl-player:-webkit-full-screen .ivl-db,
	.ivl-player.ivl-pseudo-fs .ivl-db {
		padding: 16px;
	}

	/* Bigger footer buttons */
	.ivl-player:fullscreen .ivl-dfoot,
	.ivl-player:-webkit-full-screen .ivl-dfoot,
	.ivl-player.ivl-pseudo-fs .ivl-dfoot,
	.ivl-player:fullscreen .ivl-sh-foot,
	.ivl-player:-webkit-full-screen .ivl-sh-foot,
	.ivl-player.ivl-pseudo-fs .ivl-sh-foot {
		padding: 12px 16px;
		gap: 8px;
	}
	.ivl-player:fullscreen .ivl-dfoot button,
	.ivl-player:-webkit-full-screen .ivl-dfoot button,
	.ivl-player.ivl-pseudo-fs .ivl-dfoot button,
	.ivl-player:fullscreen .ivl-sh-foot button,
	.ivl-player:-webkit-full-screen .ivl-sh-foot button,
	.ivl-player.ivl-pseudo-fs .ivl-sh-foot button {
		padding: 10px 8px;
		font-size: 14px;
	}

	/* Panels fill space */
	.ivl-player:fullscreen .ivl-sp,
	.ivl-player:-webkit-full-screen .ivl-sp,
	.ivl-player.ivl-pseudo-fs .ivl-sp,
	.ivl-player:fullscreen .ivl-dp,
	.ivl-player:-webkit-full-screen .ivl-dp,
	.ivl-player.ivl-pseudo-fs .ivl-dp,
	.ivl-player:fullscreen .ivl-shp,
	.ivl-player:-webkit-full-screen .ivl-shp,
	.ivl-player.ivl-pseudo-fs .ivl-shp {
		flex: 1; min-height: 0;
		display: flex; flex-direction: column; overflow: hidden;
	}
	.ivl-player:fullscreen .ivl-cl,
	.ivl-player:-webkit-full-screen .ivl-cl,
	.ivl-player.ivl-pseudo-fs .ivl-cl,
	.ivl-player:fullscreen .ivl-db,
	.ivl-player:-webkit-full-screen .ivl-db,
	.ivl-player.ivl-pseudo-fs .ivl-db,
	.ivl-player:fullscreen .ivl-sh-body,
	.ivl-player:-webkit-full-screen .ivl-sh-body,
	.ivl-player.ivl-pseudo-fs .ivl-sh-body {
		flex: 1; min-height: 0; overflow-y: auto;
	}
}

/* FS button state change handled in main .ivl-fs-btn block */


/* ── Pause Indicator — scoped to container, not fixed ── */
.ivl-pind {
	display: none;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	background: rgba(26, 35, 64, 0.82);
	color: #fff;
	padding: 12px 26px;
	border-radius: 100px;
	font-size: 14px;
	font-weight: 600;
	z-index: 99;
	pointer-events: none;
	backdrop-filter: blur(4px);
}

.ivl-pind.show {
	display: block;
}

/* ── Toast — scoped to container ── */
.ivl-toast {
	position: absolute;
	bottom: 14px;
	left: 50%;
	transform: translateX(-50%) translateY(10px);
	background: var(--ivl-navy);
	color: #fff;
	padding: 8px 20px;
	border-radius: 100px;
	font-size: 12px;
	font-weight: 500;
	opacity: 0;
	transition: all 0.25s;
	z-index: 999;
	pointer-events: none;
}

.ivl-toast.show {
	opacity: 1;
	transform: translateX(-50%) translateY(0);
}

/* ══════════════════════════════════════════════════
   TOOLBAR (Furigana + Speed + A-B + Keyboard hint)
   ══════════════════════════════════════════════════ */

.ivl-toolbar {
	display: flex;
	align-items: center;
	gap: 4px;
	padding: 4px 8px;
	border-bottom: 1px solid var(--ivl-g2);
	flex-shrink: 0;
	flex-wrap: wrap;
}

.ivl-toolbar > div {
	display: flex;
	align-items: center;
}

/* Speed button */
.ivl-spd-btn,
.ivl-ab-btn {
	padding: 3px 10px;
	border-radius: 6px;
	border: 1px solid var(--ivl-g3);
	background: var(--ivl-white);
	font-family: 'DM Mono', monospace;
	font-size: 11px;
	font-weight: 600;
	color: var(--ivl-g6);
	cursor: pointer;
	transition: all 0.12s;
}

.ivl-spd-btn:hover,
.ivl-ab-btn:hover {
	border-color: var(--ivl-red);
}

.ivl-ab-btn.active {
	background: var(--ivl-red);
	border-color: var(--ivl-red);
	color: #fff;
}

/* Keyboard hint */
.ivl-kb-hint {
	margin-left: auto;
}

.ivl-kb-hint span {
	font-size: 14px;
	color: var(--ivl-g4);
	cursor: help;
}

/* ── Language Trigger (mobile fullscreen only) ── */
.ivl-lang-trigger-wrap {
	display: none; /* Hidden by default — shown only in mobile fullscreen */
	position: relative;
	margin-left: auto;
}

.ivl-lang-trigger {
	width: 32px;
	height: 26px;
	border-radius: 6px;
	border: 1.5px solid var(--ivl-g3);
	background: var(--ivl-white);
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0;
	transition: all 0.15s;
}

.ivl-lang-trigger:hover,
.ivl-lang-trigger.active {
	border-color: var(--ivl-red);
	box-shadow: 0 0 0 2px rgba(244, 123, 123, 0.15);
}

.ivl-lang-trigger-flag img {
	width: 18px;
	height: auto;
	border-radius: 2px;
	display: block;
}

/* Popup */
.ivl-lang-popup {
	display: none;
	position: absolute;
	top: 100%;
	right: 0;
	margin-top: 6px;
	background: var(--ivl-white);
	border: 1px solid var(--ivl-g3);
	border-radius: 10px;
	box-shadow: 0 8px 24px rgba(0,0,0,0.15);
	padding: 8px;
	z-index: 60;
	min-width: 140px;
}

.ivl-lang-popup.show {
	display: block;
}

.ivl-lang-popup-flags {
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
}

.ivl-lang-popup-flags .ivl-fb {
	width: 36px;
	height: 28px;
	border-radius: 6px;
	border: 2px solid var(--ivl-g3);
	cursor: pointer;
	background: var(--ivl-white);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.12s;
	padding: 0;
}

.ivl-lang-popup-flags .ivl-fb:hover {
	border-color: var(--ivl-red);
	transform: scale(1.08);
}

.ivl-lang-popup-flags .ivl-fb.active {
	border-color: var(--ivl-red);
	background: var(--ivl-red-light);
	box-shadow: 0 0 0 2px rgba(244, 123, 123, 0.2);
}

.ivl-lang-popup-flags .ivl-fb img {
	width: 18px;
	height: auto;
	border-radius: 2px;
}

/* Show trigger ONLY in mobile fullscreen */
@media (max-width: 1024px) {
	.ivl-player:fullscreen .ivl-lang-trigger-wrap,
	.ivl-player:-webkit-full-screen .ivl-lang-trigger-wrap,
	.ivl-player.ivl-pseudo-fs .ivl-lang-trigger-wrap {
		display: flex;
	}

	/* In mobile fullscreen, kb-hint shares space with trigger */
	.ivl-player:fullscreen .ivl-kb-hint,
	.ivl-player:-webkit-full-screen .ivl-kb-hint,
	.ivl-player.ivl-pseudo-fs .ivl-kb-hint {
		margin-left: 0;
	}
}

/* Speed popup */
.ivl-spd-popup {
	position: absolute;
	bottom: 100%;
	left: 0;
	margin-bottom: 4px;
	background: var(--ivl-white);
	border: 1px solid var(--ivl-g3);
	border-radius: 8px;
	box-shadow: 0 4px 12px rgba(0,0,0,0.1);
	padding: 4px;
	z-index: 50;
	display: flex;
	flex-direction: column;
	gap: 1px;
}

.ivl-spd-popup button {
	padding: 5px 14px;
	border: none;
	background: none;
	font-family: 'DM Mono', monospace;
	font-size: 12px;
	color: var(--ivl-g6);
	cursor: pointer;
	border-radius: 5px;
	text-align: left;
	white-space: nowrap;
}

.ivl-spd-popup button:hover {
	background: var(--ivl-g1);
}

.ivl-spd-popup button.active {
	background: var(--ivl-red-light);
	color: var(--ivl-red);
	font-weight: 700;
}

/* ══════════════════════════════════════════════════
   SHADOWING PANEL
   ══════════════════════════════════════════════════ */

.ivl-shp {
	flex: 1;
	overflow: hidden;
	display: flex;
	flex-direction: column;
}

.ivl-sh-nav {
	display: flex;
	align-items: center;
	padding: 4px 8px;
	border-bottom: 1px solid var(--ivl-g2);
	gap: 1px;
	flex-shrink: 0;
}

.ivl-sh-nav button {
	background: none;
	border: none;
	cursor: pointer;
	font-size: 14px;
	color: var(--ivl-g6);
	padding: 3px 7px;
	border-radius: 5px;
}

.ivl-sh-nav button:hover {
	background: var(--ivl-g1);
}

/* Shadowing body */
.ivl-sh-body {
	flex: 1;
	overflow-y: auto;
	padding: 12px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	min-height: 0;
	-webkit-overflow-scrolling: touch;
}

.ivl-sh-cap {
	background: var(--ivl-g1);
	border-radius: 10px;
	padding: 12px;
}

.ivl-sh-cap-lbl {
	font-size: 9px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--ivl-g4);
	margin-bottom: 4px;
}

.ivl-sh-cap-tx {
	font-family: 'Noto Sans JP', sans-serif;
	font-size: 15px;
	line-height: 1.7;
	color: var(--ivl-g8);
}

.ivl-sh-cap-tr {
	font-size: 12px;
	color: var(--ivl-g4);
	margin-top: 4px;
	line-height: 1.4;
}

/* Recording indicator */
.ivl-sh-rec-indicator {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 16px;
	background: var(--ivl-red-light);
	border: 2px solid var(--ivl-red);
	border-radius: 10px;
}

.ivl-sh-rec-dot {
	width: 12px;
	height: 12px;
	background: var(--ivl-red);
	border-radius: 50%;
	animation: ivl-pulse 1s infinite;
}

@keyframes ivl-pulse {
	0%, 100% { opacity: 1; transform: scale(1); }
	50% { opacity: 0.5; transform: scale(1.2); }
}

.ivl-sh-rec-time {
	font-family: 'DM Mono', monospace;
	font-size: 18px;
	font-weight: 700;
	color: var(--ivl-red-dark);
}

/* Playback box */
.ivl-sh-playback {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 10px 12px;
	background: #edf7ed;
	border-radius: 10px;
}

.ivl-sh-playback-lbl {
	font-size: 11px;
	font-weight: 600;
	color: #1e4620;
}

.ivl-sh-playback audio {
	flex: 1;
	height: 32px;
}

/* Footer */
.ivl-sh-foot {
	display: flex;
	gap: 5px;
	padding: 8px;
	border-top: 1px solid var(--ivl-g2);
	flex-shrink: 0;
	background: var(--ivl-white);
	margin-top: auto;
	align-items: center;
}

.ivl-sh-foot button {
	flex: 1;
	padding: 8px 4px;
	border-radius: 8px;
	border: 1px solid var(--ivl-g3);
	background: var(--ivl-white);
	font-family: 'DM Sans', sans-serif;
	font-size: 12px;
	font-weight: 600;
	cursor: pointer;
	color: var(--ivl-g6);
	transition: all 0.15s;
}

.ivl-sh-foot button:hover {
	background: var(--ivl-g1);
}

.ivl-sh-rec {
	background: var(--ivl-red) !important;
	border-color: var(--ivl-red) !important;
	color: #fff !important;
}

.ivl-sh-rec:hover {
	background: var(--ivl-red-dark) !important;
}

.ivl-sh-rec.recording {
	background: var(--ivl-ng) !important;
	animation: ivl-pulse 1s infinite;
}

.ivl-sh-play:disabled {
	opacity: 0.4;
	cursor: not-allowed;
}

.ivl-sh-check {
	background: #4eb3b3 !important;
	border-color: #4eb3b3 !important;
	color: #fff !important;
}

.ivl-sh-check:hover {
	background: #3d9e9e !important;
}

.ivl-sh-check:disabled {
	opacity: 0.4;
	cursor: not-allowed;
	background: var(--ivl-g3) !important;
	border-color: var(--ivl-g3) !important;
}

/* Speech result display */
.ivl-sh-result {
	border-radius: 10px;
	padding: 12px;
	margin-top: 8px;
}

.ivl-sh-result.good {
	background: #edf7ed;
	border: 2px solid var(--ivl-ok);
}

.ivl-sh-result.fair {
	background: #fff8e1;
	border: 2px solid #dba617;
}

.ivl-sh-result.poor {
	background: #fce4e4;
	border: 2px solid var(--ivl-ng);
}

.ivl-sh-score {
	font-size: 28px;
	font-weight: 700;
	font-family: 'DM Mono', monospace;
	text-align: center;
	margin-bottom: 4px;
}

.ivl-sh-score.good { color: var(--ivl-ok); }
.ivl-sh-score.fair { color: #dba617; }
.ivl-sh-score.poor { color: var(--ivl-ng); }

.ivl-sh-recognized {
	font-family: 'Noto Sans JP', sans-serif;
	font-size: 13px;
	color: var(--ivl-g6);
	text-align: center;
	margin-top: 4px;
}

.ivl-sh-recognized-lbl {
	font-size: 9px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--ivl-g4);
	text-align: center;
	margin-bottom: 2px;
}

/* ══════════════════════════════════════════════════
   INSTRUCTION HELP BAR + POPUP
   ══════════════════════════════════════════════════ */

/* Sticky help bar at bottom of right panel */
.ivl-help-bar {
	flex-shrink: 0;
	padding: 6px 8px;
	border-top: 1px solid var(--ivl-g2);
	background: var(--ivl-g1);
	text-align: center;
}

.ivl-help-btn {
	width: 100%;
	padding: 6px 12px;
	border-radius: 8px;
	border: 1px solid var(--ivl-g3);
	background: var(--ivl-white);
	font-family: 'DM Sans', sans-serif;
	font-size: 12px;
	font-weight: 600;
	color: var(--ivl-g6);
	cursor: pointer;
	transition: all 0.15s;
}

.ivl-help-btn:hover {
	background: var(--ivl-red-light);
	border-color: var(--ivl-red);
	color: var(--ivl-red);
}

/* Overlay */
.ivl-help-overlay {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(26, 35, 64, 0.5);
	z-index: 100;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 16px;
	backdrop-filter: blur(3px);
}

.ivl-player.ivl-pseudo-fs .ivl-help-overlay {
	position: fixed;
}

/* Popup */
.ivl-help-popup {
	background: var(--ivl-white);
	border-radius: 14px;
	width: 100%;
	max-width: 520px;
	max-height: 80vh;
	display: flex;
	flex-direction: column;
	box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
	overflow: hidden;
}

/* Header */
.ivl-help-header {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 12px 16px;
	border-bottom: 1px solid var(--ivl-g2);
	background: var(--ivl-g1);
	flex-shrink: 0;
}

.ivl-help-title {
	font-size: 15px;
	font-weight: 700;
	color: var(--ivl-navy);
	flex: 1;
}

.ivl-help-lang {
	padding: 4px 8px;
	border-radius: 6px;
	border: 1px solid var(--ivl-g3);
	font-family: 'DM Sans', sans-serif;
	font-size: 12px;
	color: var(--ivl-g6);
	background: var(--ivl-white);
	cursor: pointer;
}

.ivl-help-close {
	width: 30px;
	height: 30px;
	border-radius: 50%;
	border: none;
	background: none;
	font-size: 16px;
	color: var(--ivl-g4);
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.12s;
}

.ivl-help-close:hover {
	background: var(--ivl-g2);
	color: var(--ivl-ng);
}

/* Body */
.ivl-help-body {
	flex: 1;
	overflow-y: auto;
	padding: 16px;
	font-size: 13px;
	line-height: 1.7;
	color: var(--ivl-g8);
	-webkit-overflow-scrolling: touch;
}

.ivl-help-body h3 {
	font-size: 14px;
	font-weight: 700;
	color: var(--ivl-navy);
	margin: 14px 0 6px;
}

.ivl-help-body h3:first-child {
	margin-top: 0;
}

.ivl-help-body p {
	margin: 0 0 8px;
}

.ivl-help-body kbd {
	display: inline-block;
	padding: 1px 6px;
	border-radius: 4px;
	border: 1px solid var(--ivl-g3);
	background: var(--ivl-g1);
	font-family: 'DM Mono', monospace;
	font-size: 11px;
	color: var(--ivl-g6);
}

.ivl-help-body ul {
	margin: 0 0 8px;
	padding-left: 18px;
}

.ivl-help-body li {
	margin-bottom: 3px;
}

@media (max-width: 820px) {
	.ivl-help-popup {
		max-height: 85vh;
		max-height: 85dvh;
	}
}