/**
 * FTM Instruments — scoped styles.
 *
 * All classes live under .ftm-inst namespace so we don't collide with the
 * theme or any other plugin. Uses the FTM design tokens; falls back to
 * reasonable defaults if the theme hasn't loaded them.
 */
:root {
	--ftm-inst-nav: #0f1a3d;
	--ftm-inst-cream: #f6efde;
	--ftm-inst-ink: #131417;
	--ftm-inst-muted: #6b6f7a;
	--ftm-inst-line: rgba(15, 26, 61, 0.18);
	--ftm-inst-accent: #e04a2f;    /* rainbow-red accent from FTM palette */
	--ftm-inst-radius: 10px;
}

.ftm-inst,
.ftm-inst * {
	box-sizing: border-box;
}

/* Buttons ----------------------------------------------------------------- */
.ftm-inst-btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 9px 16px;
	border-radius: var(--ftm-inst-radius);
	font-weight: 600;
	font-size: 0.95rem;
	border: 1px solid var(--ftm-inst-nav);
	background: var(--ftm-inst-nav);
	color: var(--ftm-inst-cream);
	text-decoration: none;
	cursor: pointer;
	transition: transform 120ms ease, background 120ms ease;
}
.ftm-inst-btn:hover { transform: translateY(-1px); }
.ftm-inst-btn--ghost {
	background: transparent;
	color: var(--ftm-inst-nav);
}

/* Hub --------------------------------------------------------------------- */
.ftm-inst-hub {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 22px;
	margin: 32px 0;
}

/* Each card carries its own rainbow accent via --ftm-hub-accent (set inline). */
.ftm-inst-hub__card {
	--ftm-hub-accent: var(--ftm-inst-nav);
	position: relative;
	display: flex;
	flex-direction: column;
	gap: 14px;
	background: #fff;
	color: var(--ftm-inst-ink);
	padding: 26px 24px 22px;
	border-radius: 16px;
	text-decoration: none;
	box-shadow: 0 1px 2px rgba(15, 26, 61, 0.04), 0 4px 16px rgba(15, 26, 61, 0.06);
	border: 1px solid var(--ftm-inst-line);
	overflow: hidden;
	transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}
.ftm-inst-hub__card::before {
	content: "";
	position: absolute;
	top: 0; left: 0; right: 0;
	height: 5px;
	background: var(--ftm-hub-accent);
	transition: height 200ms ease;
}
.ftm-inst-hub__card:hover {
	transform: translateY(-3px);
	box-shadow: 0 2px 4px rgba(15, 26, 61, 0.05), 0 10px 28px rgba(15, 26, 61, 0.12);
	border-color: rgba(15, 26, 61, 0.25);
}
.ftm-inst-hub__card:hover::before { height: 7px; }

.ftm-inst-hub__card-head {
	display: flex;
	align-items: center;
	gap: 14px;
}
.ftm-inst-hub__icon {
	width: 48px; height: 48px;
	display: inline-flex; align-items: center; justify-content: center;
	color: var(--ftm-hub-accent);
	flex-shrink: 0;
}
.ftm-inst-hub__icon svg { width: 100%; height: 100%; }
.ftm-inst-hub__name {
	font-family: "Prequel", "Inter", sans-serif;
	font-size: 1.85rem;
	margin: 0;
	color: var(--ftm-inst-nav);
	letter-spacing: 0.01em;
	line-height: 1;
}

.ftm-inst-hub__blurb {
	margin: 0;
	color: var(--ftm-inst-ink);
	font-size: 0.98rem;
	line-height: 1.55;
	opacity: 0.88;
}

.ftm-inst-hub__phases {
	list-style: none;
	margin: 0;
	padding: 12px 0;
	border-top: 1px solid var(--ftm-inst-line);
	border-bottom: 1px solid var(--ftm-inst-line);
	display: flex;
	flex-direction: column;
	gap: 6px;
}
.ftm-inst-hub__phases li {
	display: flex;
	align-items: center;
	justify-content: space-between;
	font-size: 0.85rem;
	color: var(--ftm-inst-muted);
}
.ftm-inst-hub__phase-name { font-weight: 500; }
.ftm-inst-hub__phase-count {
	display: inline-flex;
	align-items: center; justify-content: center;
	min-width: 24px;
	height: 22px;
	padding: 0 8px;
	border-radius: 999px;
	background: var(--ftm-hub-accent);
	color: #fff;
	font-size: 0.75rem;
	font-weight: 700;
}

.ftm-inst-hub__coming {
	margin: 0;
	font-size: 0.85rem;
	color: var(--ftm-inst-muted);
	font-style: italic;
	padding: 10px 0;
	border-top: 1px solid var(--ftm-inst-line);
	border-bottom: 1px solid var(--ftm-inst-line);
}

.ftm-inst-hub__cta {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	margin-top: auto;
	font-weight: 700;
	font-size: 0.9rem;
	color: var(--ftm-hub-accent);
	letter-spacing: 0.02em;
}
.ftm-inst-hub__cta-arrow {
	display: inline-block;
	transition: transform 200ms ease;
	font-size: 1.05em;
}
.ftm-inst-hub__card:hover .ftm-inst-hub__cta-arrow {
	transform: translateX(4px);
}

/* Starter path ------------------------------------------------------------ */
.ftm-inst-path { margin: 20px 0; }
.ftm-inst-phase {
	margin: 0 0 22px;
	border-radius: var(--ftm-inst-radius);
	border: 1px solid var(--ftm-inst-line);
	overflow: hidden;
}
.ftm-inst-phase__head {
	padding: 12px 18px;
	background: var(--ftm-inst-nav);
	color: var(--ftm-inst-cream);
}
.ftm-inst-phase__title { margin: 0; font-size: 1.1rem; }
.ftm-inst-phase__lessons { list-style: none; margin: 0; padding: 0; }
.ftm-inst-lesson { border-top: 1px solid var(--ftm-inst-line); }
.ftm-inst-lesson:first-child { border-top: 0; }
.ftm-inst-lesson__link {
	display: flex;
	align-items: center;
	gap: 14px;
	padding: 12px 18px;
	color: var(--ftm-inst-ink);
	text-decoration: none;
	transition: background 120ms ease;
}
.ftm-inst-lesson__link:hover { background: rgba(15, 26, 61, 0.04); }
.ftm-inst-lesson__state {
	width: 22px;
	display: inline-flex;
	justify-content: center;
	color: var(--ftm-inst-muted);
	font-size: 1rem;
}
.ftm-inst-lesson.is-complete .ftm-inst-lesson__state { color: #3aa764; font-weight: 700; }
.ftm-inst-lesson.is-locked   .ftm-inst-lesson__state { color: var(--ftm-inst-muted); }
.ftm-inst-lesson.is-locked   .ftm-inst-lesson__link  { opacity: 0.6; }
.ftm-inst-lesson__title { flex: 1; }
.ftm-inst-lesson__meta { color: var(--ftm-inst-muted); font-size: 0.85rem; }

/* Lesson nav -------------------------------------------------------------- */
.ftm-inst-lesson-nav { margin: 28px 0 0; }
.ftm-inst-lesson-nav__row {
	display: grid;
	grid-template-columns: 1fr auto 1fr;
	gap: 10px;
	align-items: center;
}
.ftm-inst-lesson-nav__row > :last-child { justify-self: end; }

/* Gate card --------------------------------------------------------------- */
.ftm-inst-gate {
	margin: 24px 0;
	padding: 22px;
	border-radius: var(--ftm-inst-radius);
	border: 1px solid var(--ftm-inst-line);
	background: var(--ftm-inst-cream);
	text-align: center;
}
.ftm-inst-gate h3 { margin: 0 0 8px; font-family: "Prequel", "Inter", sans-serif; }

/* Chord diagram ----------------------------------------------------------- */
.ftm-inst-chord {
	display: inline-flex;
	flex-direction: column;
	align-items: center;
	gap: 6px;
	padding: 10px 12px 12px;
	color: var(--ftm-inst-nav);
}
.ftm-inst-chord__name {
	font-family: "Prequel", "Inter", sans-serif;
	font-size: 1.05rem;
	font-weight: 700;
	letter-spacing: 0.02em;
}
.ftm-inst-chord__svg { display: block; }
.ftm-inst-chord--sm .ftm-inst-chord__svg { width: 92px; height: auto; }
.ftm-inst-chord--md .ftm-inst-chord__svg { width: 140px; height: auto; }
.ftm-inst-chord--lg .ftm-inst-chord__svg { width: 200px; height: auto; }
.ftm-inst-chord__play {
	font-size: 0.78rem;
	padding: 4px 10px;
	border-radius: 999px;
	border: 1px solid var(--ftm-inst-nav);
	background: transparent;
	color: var(--ftm-inst-nav);
	cursor: pointer;
}
.ftm-inst-chord__play:hover { background: var(--ftm-inst-nav); color: var(--ftm-inst-cream); }
.ftm-inst-chord__missing {
	font-size: 0.8rem;
	color: var(--ftm-inst-muted);
	text-align: center;
	padding: 20px;
	border: 1px dashed var(--ftm-inst-line);
	border-radius: 8px;
}

/* Progression ------------------------------------------------------------- */
.ftm-inst-progression { margin: 18px 0; }
.ftm-inst-progression__head {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding-bottom: 8px;
}
.ftm-inst-progression__tempo {
	font-size: 0.85rem;
	color: var(--ftm-inst-muted);
}
.ftm-inst-progression__play {
	padding: 6px 14px;
	border-radius: 999px;
	border: 1px solid var(--ftm-inst-nav);
	background: var(--ftm-inst-nav);
	color: var(--ftm-inst-cream);
	cursor: pointer;
}
.ftm-inst-progression__row {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}
.ftm-inst-progression__step {
	padding: 4px;
	border: 2px solid transparent;
	border-radius: 12px;
	transition: border-color 120ms ease;
}
.ftm-inst-progression__step.is-current { border-color: var(--ftm-inst-accent); }

/* Tool stub --------------------------------------------------------------- */
.ftm-inst-tool-stub {
	margin: 16px 0;
	padding: 16px 18px;
	border-radius: var(--ftm-inst-radius);
	border: 1px dashed var(--ftm-inst-line);
	background: rgba(15, 26, 61, 0.03);
}
.ftm-inst-tool-stub__label {
	font-family: "Prequel", "Inter", sans-serif;
	font-size: 1rem;
	font-weight: 700;
	color: var(--ftm-inst-nav);
}
.ftm-inst-tool-stub__note {
	font-size: 0.9rem;
	color: var(--ftm-inst-muted);
	margin-top: 2px;
}

/* Misc -------------------------------------------------------------------- */
.ftm-inst-empty {
	padding: 16px;
	border: 1px dashed var(--ftm-inst-line);
	border-radius: var(--ftm-inst-radius);
	color: var(--ftm-inst-muted);
	text-align: center;
}