/* =============================================
   NOI Host Corsi v2.0
   Estetica: Editoriale / Hospitality Design
   Font: Bodoni Moda (titoli) · Montserrat (UI)
   Palette: #808F7F salvia · #9C7869 terra
   Radius: 20px su tutti i contenitori
   ============================================= */

:root {
	--nch-gn:    #808F7F;   /* verde salvia */
	--nch-gn-d:  #6a7a69;
	--nch-gn-l:  #eef1ee;
	--nch-gn-xl: #f6f8f6;
	--nch-br:    #9C7869;   /* marrone terra */
	--nch-br-d:  #7a5e50;
	--nch-br-l:  #f5eeea;
	--nch-tx:    #1c1c1c;
	--nch-mu:    #7a8490;
	--nch-bo:    #e8eae8;
	--nch-bg:    #f9faf9;
	--nch-wh:    #ffffff;
	--nch-ok:    var(--nch-gn);    /* completato = verde salvia */
	--nch-ok-l:  var(--nch-gn-l);
	--nch-r:     20px;      /* border-radius globale */
	--nch-r-s:   12px;      /* border-radius piccolo */
	--nch-sh:    0 2px 8px rgba(0,0,0,.06), 0 0 0 1px rgba(0,0,0,.04);
	--nch-sh-l:  0 8px 32px rgba(0,0,0,.10);
	--nch-gap:   24px;
	--nch-font-serif: 'Bodoni Moda', 'Georgia', serif;
	--nch-font-ui:    'Montserrat', 'Helvetica Neue', sans-serif;
}

/* ══════════════════════════════════════════
   RESET
   ══════════════════════════════════════════ */
.nch-app {
	font-family: var(--nch-font-ui);
	font-size: 15px;
	color: var(--nch-tx);
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	width: 100% !important;
	max-width: 100% !important;
	display: block !important;
	float: none !important;
	/* Sfondo salvia — i tile bianchi risaltano */
	background: var(--nch-gn) !important;
	padding: 28px !important;
	border-radius: var(--nch-r);
}
.nch-app, .nch-app * { box-sizing: border-box; }
.nch-app ul, .nch-app ol { list-style: none !important; margin: 0 !important; padding: 0 !important; }
.nch-app li  { list-style: none !important; margin: 0 !important; padding: 0 !important; }
.nch-app aside { float: none !important; width: 100% !important; display: block !important; }
.nch-app a, .nch-app a:link, .nch-app a:visited { text-decoration: none !important; color: inherit; }
.nch-app h1, .nch-app h2, .nch-app h3, .nch-app h4 {
	font-family: var(--nch-font-serif);
	margin: 0 !important; padding: 0 !important;
	line-height: 1.2; font-weight: 700;
}
.nch-app p { margin: 0 !important; font-family: var(--nch-font-ui); }
.nch-app button { cursor: pointer; font-family: var(--nch-font-ui); border: none; background: none; padding: 0; }
.nch-app svg { display: inline-block; vertical-align: middle; flex-shrink: 0; }
.nch-app input, .nch-app select { font-family: var(--nch-font-ui); }

/* ══════════════════════════════════════════
   BOTTONI
   ══════════════════════════════════════════ */
.nch-btn {
	display: inline-flex !important;
	align-items: center; justify-content: center; gap: 7px;
	padding: 11px 26px;
	border-radius: var(--nch-r);
	border: 2px solid transparent;
	font-family: var(--nch-font-ui);
	font-size: .82rem; font-weight: 700;
	letter-spacing: .03em;
	line-height: 1; cursor: pointer; white-space: nowrap;
	transition: background .18s, border-color .18s, color .18s, transform .1s;
	text-decoration: none !important;
}
.nch-btn:active { transform: scale(.97); }

/* CTA primario: marrone terra */
.nch-btn-primary {
	background: var(--nch-br) !important;
	color: #fff !important;
	border-color: var(--nch-br) !important;
}
.nch-btn-primary:hover { background: var(--nch-br-d) !important; border-color: var(--nch-br-d) !important; }

/* Secondario: verde salvia */
.nch-btn-outline {
	background: transparent !important;
	color: var(--nch-gn) !important;
	border-color: var(--nch-gn) !important;
}
.nch-btn-outline:hover { background: var(--nch-gn-l) !important; }

.nch-btn-ghost {
	background: var(--nch-wh) !important;
	color: var(--nch-mu) !important;
	border-color: var(--nch-bo) !important;
}
.nch-btn-ghost:hover { background: var(--nch-bg) !important; color: var(--nch-tx) !important; }

.nch-btn-block    { width: 100%; }
.nch-btn-disabled { opacity: .35; pointer-events: none; }

.nch-spinner {
	display: inline-block; width: 14px; height: 14px;
	border: 2px solid rgba(255,255,255,.35); border-top-color: #fff;
	border-radius: 50%; animation: nch-spin .6s linear infinite;
}
@keyframes nch-spin { to { transform: rotate(360deg); } }

.nch-notice {
	border-radius: var(--nch-r-s); padding: 14px 18px;
	font-size: .85rem; margin-bottom: var(--nch-gap);
	font-family: var(--nch-font-ui);
}
.nch-notice-error   { background: #fef2f2; border: 1px solid #fca5a5; color: #b91c1c; }
.nch-notice-warning { background: #fffbea; border: 1px solid #fde68a; color: #78600a; }
.nch-notice-warning .nch-btn { margin-top: 10px; margin-right: 6px; }

/* ══════════════════════════════════════════
   LOGIN
   ══════════════════════════════════════════ */
/* Login: il padding è già dato da .nch-app, riduciamo quello interno */
.nch-login-wrap { padding: 16px; }

.nch-login-box {
	background: var(--nch-wh);
	border-radius: var(--nch-r);
	padding: 52px 48px;
	max-width: 460px;
	margin: 0 auto;
	box-shadow: var(--nch-sh-l);
}

.nch-login-logo     { text-align: center; margin-bottom: 36px; }
.nch-logo-img       { max-height: 56px; width: auto; }

.nch-login-title {
	font-family: var(--nch-font-serif);
	font-size: 1.7rem; font-weight: 700;
	text-align: center; color: var(--nch-tx);
	margin-bottom: 10px !important;
}
.nch-login-subtitle {
	font-size: .875rem; color: var(--nch-mu);
	text-align: center; margin-bottom: 36px !important;
	line-height: 1.7;
}

.nch-field       { margin-bottom: 22px; }
.nch-field label {
	display: block; font-size: .7rem; font-weight: 700;
	text-transform: uppercase; letter-spacing: .09em;
	color: var(--nch-mu); margin-bottom: 8px;
}
.nch-input {
	display: block; width: 100%;
	padding: 14px 18px;
	background: var(--nch-bg);
	border: 1.5px solid var(--nch-bo);
	border-radius: var(--nch-r-s);
	font-size: .95rem;
	font-family: 'Courier New', monospace;
	letter-spacing: .1em; color: var(--nch-tx);
	outline: none; transition: border-color .18s, box-shadow .18s;
}
.nch-input:focus {
	border-color: var(--nch-gn);
	background: var(--nch-wh);
	box-shadow: 0 0 0 4px rgba(128,143,127,.12);
}
.nch-login-help {
	font-size: .78rem; color: var(--nch-mu);
	text-align: center; margin-top: 24px !important; line-height: 1.7;
}
.nch-login-help a { color: var(--nch-br) !important; }

/* ══════════════════════════════════════════
   DASHBOARD — HEADER CARD
   ══════════════════════════════════════════ */
.nch-header-card {
	background: var(--nch-wh);
	border-radius: var(--nch-r);
	box-shadow: var(--nch-sh);
	padding: 28px 32px 22px;
	margin-bottom: var(--nch-gap);
}

.nch-header-top {
	display: flex; align-items: flex-start;
	justify-content: space-between;
	gap: 20px; margin-bottom: 22px;
}

.nch-course-avatar {
	width: 56px; height: 56px; border-radius: 14px;
	background: linear-gradient(135deg, var(--nch-gn), #9aac9a);
	color: #fff; font-family: var(--nch-font-serif);
	font-size: 1.5rem; font-weight: 700;
	display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}

.nch-header-left  { display: flex; align-items: flex-start; gap: 18px; flex: 1; min-width: 0; }
.nch-header-info  { min-width: 0; }

.nch-header-eyebrow {
	display: block; font-size: .67rem; font-weight: 700;
	text-transform: uppercase; letter-spacing: .1em;
	color: var(--nch-gn); margin-bottom: 5px;
}
.nch-header-title {
	font-family: var(--nch-font-serif);
	font-size: 1.5rem; font-weight: 700; color: var(--nch-tx);
	white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.nch-header-meta { font-size: .82rem; color: var(--nch-mu); margin-top: 5px !important; }
.nch-dot { margin: 0 6px; opacity: .3; }

.nch-header-right { display: flex; align-items: center; gap: 18px; flex-shrink: 0; }

/* Cerchio progresso — 72px allineato al viewBox del PHP (r=28) */
.nch-circle-wrap { position: relative; width: 72px; height: 72px; flex-shrink: 0; }
.nch-circle-svg  { width: 72px; height: 72px; transform: rotate(-90deg); display: block; }
.nch-circle-bg   { fill: none; stroke: var(--nch-bo); stroke-width: 5; }
.nch-circle-fg   {
	fill: none; stroke: var(--nch-gn); stroke-width: 5;
	stroke-linecap: round; transition: stroke-dashoffset .9s ease;
}
.nch-circle-label {
	position: absolute; inset: 0;
	display: flex; flex-direction: column;
	align-items: center; justify-content: center;
}
.nch-circle-pct { font-size: .95rem; font-weight: 700; color: var(--nch-gn); line-height: 1; font-family: var(--nch-font-ui); }
.nch-circle-sub { font-size: .46rem; color: var(--nch-mu); text-transform: uppercase; letter-spacing: .06em; margin-top: 3px; }

/* Logout */
.nch-logout-btn {
	display: inline-flex !important; align-items: center; gap: 6px;
	padding: 8px 16px; font-size: .75rem; font-weight: 600;
	color: var(--nch-mu); background: transparent;
	border: 1.5px solid var(--nch-bo); border-radius: var(--nch-r);
	cursor: pointer; transition: all .16s; white-space: nowrap;
	font-family: var(--nch-font-ui);
}
.nch-logout-btn:hover { background: var(--nch-bg); color: var(--nch-tx); }

/* Progress bar */
.nch-header-bar-wrap {
	height: 10px; background: var(--nch-bo);
	border-radius: 5px; overflow: hidden; margin-bottom: 10px;
}
.nch-header-bar {
	height: 100%;
	background: linear-gradient(90deg, var(--nch-gn-d), var(--nch-gn));
	border-radius: 5px; transition: width .9s ease;
}
.nch-header-bar-labels {
	display: flex; justify-content: space-between;
	font-size: .72rem; color: var(--nch-mu); font-family: var(--nch-font-ui);
	margin-top: -4px;
}

/* Banner completamento */
.nch-done-banner {
	display: flex; align-items: center; gap: 18px;
	background: var(--nch-ok-l); border: 1px solid #a8d5b8;
	border-radius: var(--nch-r); padding: 20px 28px;
	margin-bottom: var(--nch-gap); font-size: .9rem; color: #2d7a4a;
}
.nch-done-trophy { font-size: 2.2rem; line-height: 1; flex-shrink: 0; }
.nch-done-text strong { display: block; font-weight: 700; margin-bottom: 3px; font-family: var(--nch-font-serif); }

/* ══════════════════════════════════════════
   DASHBOARD — BODY
   ══════════════════════════════════════════ */
.nch-body        { display: block !important; }
.nch-lessons-col { width: 100%; }

.nch-sidebar {
	width: 100% !important; float: none !important;
	display: flex !important; flex-direction: row !important;
	flex-wrap: wrap !important; gap: var(--nch-gap) !important;
	margin-top: var(--nch-gap);
}
.nch-sidebar .nch-sidebar-card { flex: 1 1 300px; }

/* ══════════════════════════════════════════
   SEZIONI E LEZIONI
   ══════════════════════════════════════════ */
.nch-empty-card {
	background: var(--nch-wh); border-radius: var(--nch-r);
	padding: 48px; text-align: center;
	color: var(--nch-mu); font-style: italic; box-shadow: var(--nch-sh);
}

.nch-section-block {
	background: var(--nch-wh); border-radius: var(--nch-r);
	box-shadow: var(--nch-sh); margin-bottom: 16px; overflow: hidden;
}

.nch-section-head {
	display: flex; align-items: center; gap: 14px;
	padding: 16px 28px 18px;
	border-left: 4px solid var(--nch-gn);
	background: var(--nch-gn-xl);
}
.nch-section-num {
	width: 26px; height: 26px; border-radius: 50%;
	background: var(--nch-gn);
	color: #fff; font-size: .7rem; font-weight: 700;
	font-family: var(--nch-font-ui);
	display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.nch-section-name {
	font-family: var(--nch-font-serif);
	font-size: .95rem; font-weight: 700; flex: 1; color: var(--nch-tx);
}
.nch-section-pill {
	font-size: .62rem; font-weight: 700;
	padding: 3px 11px; border-radius: var(--nch-r);
	background: rgba(0,0,0,.06); color: var(--nch-mu); white-space: nowrap;
}
.nch-pill-done { background: var(--nch-ok-l); color: var(--nch-ok); }

/* Righe lezione */
.nch-lesson-list { padding: 4px 20px 4px 38px !important; }

.nch-lesson-row {
	display: flex !important; align-items: center !important; gap: 12px;
	padding: 13px 14px 15px 10px !important;
	border-radius: 10px;
	border-bottom: 1px solid var(--nch-bg) !important;
	transition: background .14s; margin: 1px 0 !important;
}
.nch-lesson-row:last-child { border-bottom: none !important; }
.nch-lesson-unlocked:hover { background: var(--nch-gn-xl); }

.nch-lesson-num-wrap { flex-shrink: 0; }
.nch-lesson-check {
	width: 30px; height: 30px; border-radius: 50%;
	display: flex; align-items: center; justify-content: center;
}
.nch-check-done   { background: var(--nch-ok); }
.nch-check-active { background: var(--nch-gn); box-shadow: 0 0 0 4px rgba(128,143,127,.2); }
.nch-check-locked { background: #f0f2f0; border: 2px solid var(--nch-bo); }

.nch-lesson-info {
	flex: 1; display: flex; flex-direction: column;
	gap: 4px; min-width: 0;
}
.nch-lesson-title {
	font-size: .9rem; font-weight: 600; color: var(--nch-tx);
	display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
	font-family: var(--nch-font-ui);
}
.nch-app a.nch-lesson-title:hover { color: var(--nch-gn) !important; }
.nch-lesson-title-locked { color: #bbb !important; }

.nch-lesson-meta { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.nch-lesson-duration {
	font-size: .62rem; color: var(--nch-mu); font-weight: 500;
	display: inline-flex; align-items: center; gap: 3px;
}
.nch-vbadge {
	font-size: .58rem; font-weight: 700;
	padding: 2px 7px; border-radius: 6px;
	text-transform: uppercase; letter-spacing: .05em;
}
/* Badge tipo video — palette salvia/terracotta */
.nch-vbadge-yt   { background: var(--nch-gn-xl); color: var(--nch-gn-d); }
.nch-vbadge-self { background: var(--nch-br-l);  color: var(--nch-br-d); }

.nch-lesson-action { flex-shrink: 0; }
.nch-action-done {
	font-size: .68rem; font-weight: 700;
	color: var(--nch-ok); background: var(--nch-ok-l);
	padding: 4px 12px; border-radius: var(--nch-r);
}
.nch-action-btn {
	font-size: .72rem; font-weight: 700; line-height: 1;
	color: #fff !important; background: var(--nch-gn);
	padding: 5px 10px; border-radius: 6px;
	transition: background .14s;
	display: inline-flex; align-items: center; justify-content: center;
}
.nch-app a.nch-action-btn:hover { background: var(--nch-gn-d); }
.nch-action-locked { font-size: .68rem; color: #ccc; font-weight: 600; }

/* ══════════════════════════════════════════
   SIDEBAR CARD
   ══════════════════════════════════════════ */
.nch-sidebar-card {
	background: var(--nch-wh); border-radius: var(--nch-r);
	box-shadow: var(--nch-sh); overflow: hidden;
}
.nch-sidebar-card-head {
	display: flex; align-items: center; gap: 9px;
	padding: 15px 20px;
	font-family: var(--nch-font-ui);
	font-size: .67rem; font-weight: 700;
	text-transform: uppercase; letter-spacing: .09em; color: var(--nch-mu);
	border-bottom: 1px solid var(--nch-bo); background: var(--nch-bg);
}
.nch-sidebar-card-head svg { color: var(--nch-gn); }

.nch-sidebar-empty { padding: 18px 20px; color: var(--nch-mu); font-size: .84rem; font-style: italic; }
.nch-sidebar-sub   { padding: 12px 20px 6px; font-size: .8rem; color: var(--nch-mu); }

.nch-doc-list { display: block !important; }
.nch-doc-item {
	display: flex !important; align-items: center !important;
	gap: 13px !important; padding: 13px 20px !important;
	border-bottom: 1px solid var(--nch-bg) !important; transition: background .13s;
}
.nch-doc-item:last-child { border-bottom: none !important; }
.nch-doc-item:hover { background: var(--nch-gn-xl); }
.nch-doc-ext {
	font-size: .56rem; font-weight: 800; letter-spacing: .05em;
	padding: 4px 7px; border-radius: 6px; color: #fff;
	flex-shrink: 0; min-width: 34px; text-align: center;
}
.nch-doc-name {
	flex: 1; font-size: .85rem; color: var(--nch-tx) !important;
	overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.nch-app a.nch-doc-name:hover { color: var(--nch-gn) !important; }
.nch-doc-arrow { color: var(--nch-mu); opacity: .3; }

.nch-next-card .nch-sidebar-card-head { background: var(--nch-br-l); }
.nch-next-card .nch-sidebar-card-head svg { color: var(--nch-br); }
.nch-next-course-item {
	display: flex !important; align-items: center !important;
	gap: 13px !important; padding: 13px 20px !important;
	border-bottom: 1px solid var(--nch-bg) !important;
}
.nch-next-course-item:last-child { border-bottom: none !important; }
.nch-next-avatar {
	width: 36px; height: 36px; border-radius: 10px;
	background: linear-gradient(135deg, var(--nch-br), #c4978a);
	color: #fff; font-weight: 700; font-size: .95rem;
	font-family: var(--nch-font-serif);
	display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.nch-next-info  { display: flex; flex-direction: column; gap: 4px; }
.nch-next-title { font-size: .86rem; font-weight: 600; color: var(--nch-tx); }
.nch-next-link  { font-size: .72rem; font-weight: 700; color: var(--nch-br) !important; }
.nch-app a.nch-next-link:hover { text-decoration: underline !important; }

/* ══════════════════════════════════════════
   LEZIONE — TOP BAR
   ══════════════════════════════════════════ */
.nch-lesson-topbar {
	display: flex !important; align-items: center; gap: 14px;
	padding: 14px 22px; background: var(--nch-wh);
	border-radius: var(--nch-r); box-shadow: var(--nch-sh);
	margin-bottom: var(--nch-gap); flex-wrap: wrap;
}
.nch-topbar-back {
	display: inline-flex !important; align-items: center; gap: 6px;
	font-size: .78rem; font-weight: 700;
	color: var(--nch-gn) !important;
	padding: 7px 14px; border-radius: var(--nch-r);
	background: var(--nch-gn-l); white-space: nowrap;
	flex-shrink: 0; transition: opacity .14s;
}
.nch-topbar-back:hover { opacity: .75; }

.nch-topbar-breadcrumb {
	flex: 1; display: flex; align-items: center; gap: 7px;
	font-size: .75rem; color: var(--nch-mu);
	overflow: hidden; min-width: 0;
}
.nch-topbar-breadcrumb span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nch-topbar-sep { flex-shrink: 0; opacity: .3; }

.nch-topbar-nav { display: flex; gap: 6px; flex-shrink: 0; }
.nch-topbar-btn {
	width: 34px; height: 34px; border-radius: 50%;
	display: flex !important; align-items: center; justify-content: center;
	color: var(--nch-mu); border: 1.5px solid var(--nch-bo);
	background: transparent; transition: all .14s;
}
.nch-topbar-btn:hover { background: var(--nch-gn-l); border-color: var(--nch-gn); color: var(--nch-gn); }
.nch-btn-nav-disabled { opacity: .25; pointer-events: none; }

/* ══════════════════════════════════════════
   LEZIONE — PLAYER
   ══════════════════════════════════════════ */
.nch-player-card {
	background: #111; border-radius: var(--nch-r);
	overflow: hidden; margin-bottom: var(--nch-gap);
	box-shadow: var(--nch-sh-l);
	width: 100% !important; display: block !important; float: none !important;
}
.nch-yt-wrap {
	position: relative !important; padding-top: 56.25% !important;
	width: 100% !important; height: 0 !important;
	overflow: hidden !important; display: block !important;
}
.nch-yt-wrap #nch-yt-player,
.nch-yt-wrap iframe {
	position: absolute !important; top: 0 !important; left: 0 !important;
	width: 100% !important; height: 100% !important; border: none !important;
}
.nch-video-wrap { width: 100% !important; display: block !important; }
.nch-video-wrap video { width: 100% !important; display: block !important; max-height: 72vh; }
.nch-no-video { padding: 48px; text-align: center; color: #888; background: #1a1a1a; }

/* ══════════════════════════════════════════
   LEZIONE — BARRA COMPLETAMENTO
   ══════════════════════════════════════════ */
.nch-completion-bar {
	display: flex !important; align-items: center; gap: 13px;
	padding: 15px 22px; background: var(--nch-wh);
	border: 1.5px solid var(--nch-bo); border-radius: var(--nch-r);
	margin-bottom: var(--nch-gap); font-size: .875rem; color: var(--nch-mu);
	box-shadow: var(--nch-sh);
}
.nch-completion-bar.is-done {
	background: var(--nch-ok-l); border-color: #a8d5b8; color: #2d7a4a;
}
.nch-cb-icon { display: flex; flex-shrink: 0; }
.nch-cb-pending svg { color: var(--nch-gn); }

.nch-btn-next-inline {
	margin-left: auto; font-size: .78rem; font-weight: 700;
	color: #2d7a4a !important; padding: 7px 16px;
	border-radius: var(--nch-r); background: #fff;
	border: 1.5px solid #a8d5b8; transition: all .14s; white-space: nowrap;
}
.nch-app a.nch-btn-next-inline:hover { background: var(--nch-ok); color: #fff !important; }

/* ══════════════════════════════════════════
   LEZIONE — INFO CARD
   ══════════════════════════════════════════ */
.nch-lesson-info-card {
	background: var(--nch-wh); border-radius: var(--nch-r);
	box-shadow: var(--nch-sh); padding: 28px 32px;
	margin-bottom: var(--nch-gap);
}
.nch-lesson-heading {
	font-family: var(--nch-font-serif);
	font-size: 1.55rem; font-weight: 700; color: var(--nch-tx);
	margin-bottom: 12px !important;
}
.nch-lesson-desc-body {
	font-size: .9rem; line-height: 1.8;
	color: var(--nch-mu); margin-top: 14px;
}

/* ══════════════════════════════════════════
   LEZIONE — NAV PREV/NEXT
   ══════════════════════════════════════════ */
.nch-lesson-footer-nav {
	display: flex !important; justify-content: space-between;
	align-items: center; gap: 14px;
	padding: 22px 0 10px; border-top: 1px solid var(--nch-bo);
	flex-wrap: wrap; margin-bottom: var(--nch-gap);
}

/* ══════════════════════════════════════════
   LEZIONE — ACCORDION CORSO
   ══════════════════════════════════════════ */
.nch-accordion-card {
	background: var(--nch-wh); border-radius: var(--nch-r);
	box-shadow: var(--nch-sh); overflow: hidden;
}
.nch-accordion-trigger {
	display: flex !important; align-items: center !important;
	justify-content: space-between !important;
	width: 100% !important; padding: 16px 24px !important;
	background: var(--nch-bg) !important; border: none !important;
	border-bottom: 1px solid var(--nch-bo) !important;
	font-family: var(--nch-font-ui) !important;
	font-size: .72rem !important; font-weight: 700 !important;
	color: var(--nch-mu) !important; text-transform: uppercase !important;
	letter-spacing: .08em !important; cursor: pointer !important;
	gap: 8px !important; transition: background .14s !important;
}
.nch-accordion-trigger:hover { background: var(--nch-gn-xl) !important; }
.nch-accordion-trigger span { display: flex; align-items: center; gap: 9px; }
.nch-accordion-trigger > span svg { color: var(--nch-gn); }
.nch-accordion-chevron { transition: transform .22s; flex-shrink: 0; }
.nch-accordion-trigger[aria-expanded="true"] .nch-accordion-chevron { transform: rotate(180deg); }

.nch-accordion-body { display: none; }
.nch-accordion-body.is-open { display: block; }

.nch-ac-section { padding: 12px 24px 8px; }
.nch-ac-section + .nch-ac-section { border-top: 1px solid var(--nch-bg); }
.nch-ac-section-name {
	display: block; font-size: .61rem; font-weight: 700;
	text-transform: uppercase; letter-spacing: .09em;
	color: var(--nch-gn); margin-bottom: 6px;
}
.nch-ac-list { display: block !important; }
.nch-ac-item {
	display: flex !important; align-items: center !important;
	gap: 10px !important; padding: 7px 8px !important;
	border-radius: 10px; transition: background .12s;
}
.nch-ac-item:hover { background: var(--nch-gn-xl); }
.nch-ac-dot {
	width: 8px; height: 8px; border-radius: 50%;
	background: var(--nch-bo); flex-shrink: 0;
}
.nch-ac-done .nch-ac-dot    { background: var(--nch-ok); }
.nch-ac-current .nch-ac-dot { background: var(--nch-gn); box-shadow: 0 0 0 3px rgba(128,143,127,.22); }
.nch-ac-locked .nch-ac-dot  { background: #dde; }

.nch-ac-title { font-size: .84rem; color: var(--nch-mu); line-height: 1.45; }
.nch-app a.nch-ac-title { color: var(--nch-tx) !important; }
.nch-app a.nch-ac-title:hover { color: var(--nch-gn) !important; }
.nch-ac-locked .nch-ac-title { color: #ccc; }
.nch-ac-current { background: var(--nch-gn-xl); padding-left: 12px !important; padding-right: 12px !important; }
.nch-app .nch-ac-current .nch-ac-title,
.nch-app .nch-ac-current a.nch-ac-title { color: var(--nch-gn) !important; font-weight: 700; }

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */
@media (max-width: 640px) {
	.nch-header-top   { flex-wrap: wrap; }
	.nch-header-right { width: 100%; justify-content: space-between; }
	.nch-header-title { font-size: 1.2rem; }
	.nch-login-box    { padding: 36px 24px; }
	.nch-lesson-footer-nav .nch-btn { flex: 1; justify-content: center; }
	.nch-sidebar { flex-direction: column !important; }
	.nch-lesson-info-card { padding: 22px 20px; }
	.nch-header-card { padding: 20px 18px 16px; }
}