html, body {
    font-family: var(--font-body, 'Hanken Grotesk', 'Helvetica Neue', sans-serif);
    font-size: 1rem;
    line-height: 1.6;
    scroll-behavior: smooth;
}

/* ════════════════════════════════════════════════════════════
   LANDING PAGE — Design System
   Colors: #1E1B4B (indigo-deep) · #4338CA (indigo) · #22C55E (play green)
   Display: Bricolage Grotesque · Body: Hanken Grotesk
════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ── */
:root {
    --lp-primary: #1E1B4B;
    --lp-secondary: #4338CA;
    --lp-accent: #22C55E;
    --lp-accent-dark: #16A34A;
    --lp-surface: #F8FAFC;
    --lp-surface-2: #F1F5F9;
    --lp-text: #1E293B;
    --lp-text-muted: #64748B;
    --lp-text-light: #94A3B8;
    --lp-border: #E2E8F0;
    --lp-shadow-clay: 0 4px 0 0 rgba(30,27,75,.18), 0 8px 24px rgba(30,27,75,.10);
    --lp-shadow-clay-hover: 0 6px 0 0 rgba(30,27,75,.18), 0 12px 32px rgba(30,27,75,.14);
    --lp-shadow-float: 0 20px 60px rgba(30,27,75,.15);
    --lp-radius: 20px;
    --lp-radius-sm: 12px;
    --lp-radius-lg: 28px;

    /* ── Typography ── */
    --font-display: 'Bricolage Grotesque', 'Helvetica Neue', sans-serif;
    --font-body: 'Hanken Grotesk', 'Helvetica Neue', sans-serif;
    --lp-font: var(--font-body);

    /* Fixed rem scale for app UI (use clamp() on marketing headings) */
    --text-xs:   0.75rem;   /* 12px — timestamps, badge labels */
    --text-sm:   0.875rem;  /* 14px — secondary meta, tags */
    --text-base: 1rem;      /* 16px — body text, descriptions */
    --text-lg:   1.125rem;  /* 18px — card titles, prominent labels */
    --text-xl:   1.5rem;    /* 24px — app page titles */
    --text-2xl:  2rem;      /* 32px — section headings */
}

/* ── Global resets for landing page ── */
.lp-hero, .lp-stats, .lp-features, .lp-testimonials, .lp-cta, .lp-footer,
.lp-nav {
    font-family: var(--lp-font);
    box-sizing: border-box;
}

/* ── Container ── */
.lp-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

@media (min-width: 768px) {
    .lp-container { padding: 0 2.5rem; }
}

/* ════════════════════════════════════════════════════════════
   NAVBAR
════════════════════════════════════════════════════════════ */
.lp-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: #fff;
    border-bottom: 1px solid var(--lp-border);
}

.lp-nav__inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0 1.5rem;
    height: 3.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.lp-nav__brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--lp-font);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--lp-primary);
    text-decoration: none;
    white-space: nowrap;
}

.lp-nav__brand:hover { color: var(--lp-secondary); text-decoration: none; }

.lp-nav__links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: auto;
}

.lp-nav__link {
    color: var(--lp-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.4rem 0.75rem;
    border-radius: var(--lp-radius-sm);
    transition: color 200ms ease, background 200ms ease;
}

.lp-nav__link:hover {
    color: var(--lp-primary);
    background: var(--lp-surface-2);
}

.lp-nav__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}

@media (min-width: 768px) {
    .lp-nav__actions { margin-left: 0; }
    .lp-nav__links + .lp-nav__actions { margin-left: 0; }
}

/* ════════════════════════════════════════════════════════════
   BUTTONS
════════════════════════════════════════════════════════════ */
.lp-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.1rem;
    border-radius: var(--lp-radius-sm);
    font-family: var(--lp-font);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    border: 2.5px solid transparent;
    cursor: pointer;
    transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease, color 150ms ease;
    line-height: 1;
    white-space: nowrap;
}

.lp-btn:active { transform: translateY(1px); }
.lp-btn:focus-visible {
    outline: 3px solid var(--lp-accent);
    outline-offset: 2px;
}

.lp-btn--primary {
    background: var(--lp-secondary);
    color: #fff;
    border-color: #3730A3;
    box-shadow: 0 3px 0 #3730A3;
}
.lp-btn--primary:hover {
    background: #3730A3;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 5px 0 #312E81;
    text-decoration: none;
}
.lp-btn--primary:active { transform: translateY(2px) scale(0.98); box-shadow: 0 1px 0 #3730A3; transition-duration: 80ms; }

.lp-btn--ghost {
    background: transparent;
    color: var(--lp-text-muted);
    border-color: var(--lp-border);
}
.lp-btn--ghost:hover {
    background: var(--lp-surface-2);
    color: var(--lp-primary);
    text-decoration: none;
}

.lp-btn--outline {
    background: transparent;
    color: var(--lp-primary);
    border-color: var(--lp-primary);
}
.lp-btn--outline:hover {
    background: var(--lp-primary);
    color: #fff;
    text-decoration: none;
}

.lp-btn--white {
    background: #fff;
    color: var(--lp-primary);
    border-color: rgba(255,255,255,0.5);
    box-shadow: 0 3px 0 rgba(0,0,0,0.15);
}
.lp-btn--white:hover {
    background: #F1F5F9;
    color: var(--lp-primary);
    transform: translateY(-1px);
    box-shadow: 0 5px 0 rgba(0,0,0,0.15);
    text-decoration: none;
}

.lp-btn--outline-white {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.5);
}
.lp-btn--outline-white:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
    text-decoration: none;
}

.lp-btn--lg {
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
    border-radius: var(--lp-radius-sm);
}

/* ════════════════════════════════════════════════════════════
   BADGE
════════════════════════════════════════════════════════════ */
.lp-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: #EEF2FF;
    color: var(--lp-secondary);
    border: 1.5px solid #C7D2FE;
    border-radius: 100px;
    padding: 0.3rem 0.85rem;
    font-family: var(--lp-font);
    font-size: 0.8rem;
    font-weight: 600;
}

.lp-badge--subtle {
    background: var(--lp-surface-2);
    color: var(--lp-text-muted);
    border-color: var(--lp-border);
}

/* ════════════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════════════ */
.lp-hero {
    position: relative;
    overflow: hidden;
    background: var(--lp-surface);
    background-image: radial-gradient(ellipse 70% 50% at 80% 30%, rgba(67,56,202,0.06) 0%, transparent 70%);
    padding: 5.5rem 0 5rem;
    min-height: 100dvh;
    display: flex;
    align-items: center;
}


.lp-hero__content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .lp-hero__content { grid-template-columns: 1fr 1fr; gap: 4rem; }
}

.lp-hero__text { display: flex; flex-direction: column; gap: 1.5rem; }

.lp-hero__headline {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--lp-primary);
    margin: 0;
    text-wrap: balance;
}

.lp-hero__headline--accent { color: var(--lp-secondary); }

.lp-hero__sub {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--lp-text-muted);
    max-width: 54ch;
    margin: 0;
}

.lp-hero__ctas {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.lp-hero__disclaimer {
    font-size: 0.8rem;
    color: var(--lp-text-light);
    margin: 0;
}

/* ── Hero visual / card ── */
.lp-hero__visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.lp-card {
    background: #fff;
    border: 2.5px solid var(--lp-border);
    border-radius: var(--lp-radius-lg);
    box-shadow: var(--lp-shadow-clay);
}

.lp-card--hero {
    width: 100%;
    max-width: 420px;
    overflow: hidden;
}

.lp-card__header {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem 1.25rem;
    background: var(--lp-surface-2);
    border-bottom: 1.5px solid var(--lp-border);
}

.lp-card__dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    display: inline-block;
}
.lp-card__dot--red { background: #F87171; }
.lp-card__dot--yellow { background: #FBBF24; }
.lp-card__dot--green { background: var(--lp-accent); }

.lp-card__title {
    font-family: var(--lp-font);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--lp-text-muted);
    margin-left: 0.25rem;
}

.lp-card__body { padding: 1.25rem; }

.lp-exercise-preview { display: flex; flex-direction: column; gap: 0.75rem; }

.lp-exercise-preview__name {
    font-family: var(--lp-font);
    font-weight: 700;
    font-size: 1rem;
    color: var(--lp-primary);
}

.lp-exercise-preview__meta {
    font-size: 0.8rem;
    color: var(--lp-text-muted);
}

/* Music staff */
.lp-staff {
    position: relative;
    height: 80px;
    background: #F8FAFC;
    border-radius: var(--lp-radius-sm);
    border: 1.5px solid var(--lp-border);
    overflow: hidden;
    margin: 0.25rem 0;
}

.lp-staff__lines {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    padding: 12px 0;
}

.lp-staff__line {
    height: 1px;
    background: #CBD5E1;
    width: 100%;
}

.lp-staff__notes { position: absolute; inset: 0; }

.lp-note {
    position: absolute;
    width: 14px; height: 10px;
    background: var(--lp-secondary);
    border-radius: 50%;
    transform: rotate(-15deg);
}

/* Progress bar */
.lp-progress-bar {
    height: 8px;
    background: var(--lp-surface-2);
    border-radius: 100px;
    overflow: hidden;
}

.lp-progress-bar__fill {
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--lp-secondary), var(--lp-accent));
    border-radius: 100px;
    transform-origin: left center;
    transition: transform 600ms ease;
}

.lp-progress-bar__label {
    font-size: 0.78rem;
    color: var(--lp-text-muted);
    font-weight: 500;
}

/* Floating cards */
.lp-card--floating {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.9rem;
    background: #fff;
    border-radius: var(--lp-radius-sm);
    box-shadow: var(--lp-shadow-float);
    font-family: var(--lp-font);
    animation: lp-float 3s ease-in-out infinite;
}

.lp-card--streak {
    bottom: 1rem;
    left: -1.5rem;
    animation-delay: 0s;
}

.lp-card--streak__number {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 800;
    color: #f97316;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.lp-card--streak__label {
    font-size: 0.75rem;
    color: var(--lp-text-muted);
}

.lp-card--achievement {
    top: 1.5rem;
    right: -1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--lp-primary);
    animation-delay: 1.5s;
}

@keyframes lp-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@media (prefers-reduced-motion: reduce) {
    .lp-card--floating { animation: none; }
}

/* ════════════════════════════════════════════════════════════
   STATS BAR
════════════════════════════════════════════════════════════ */
.lp-stats {
    background: var(--lp-surface-2);
    border-top: 1px solid var(--lp-border);
    border-bottom: 1px solid var(--lp-border);
    padding: 0.875rem 0;
}

.lp-stats__grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

.lp-stat {
    display: flex;
    flex-direction: row;
    align-items: baseline;
    gap: 0.4rem;
    padding: 0.4rem 1.5rem;
    border-right: 1px solid var(--lp-border);
}

.lp-stat:last-child { border-right: none; }

@media (max-width: 600px) {
    .lp-stat { padding: 0.4rem 1rem; }
}

.lp-stat__number {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--lp-primary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.lp-stat__label {
    font-size: var(--text-sm);
    color: var(--lp-text-muted);
    font-weight: 500;
}

/* ════════════════════════════════════════════════════════════
   FEATURES
════════════════════════════════════════════════════════════ */
.lp-features {
    padding: 5rem 0;
    background: var(--lp-surface);
}

.lp-section-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.lp-section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--lp-primary);
    margin: 0;
    letter-spacing: -0.025em;
    line-height: 1.15;
}

.lp-section-sub {
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--lp-text-muted);
    max-width: 60ch;
    margin: 0;
}

.lp-features__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .lp-features__grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
    }
    .lp-features__grid .lp-feature-card:nth-child(1) { grid-column: 1; grid-row: 1; }
    .lp-features__grid .lp-feature-card:nth-child(2) { grid-column: 2; grid-row: 1 / 3; }
    .lp-features__grid .lp-feature-card:nth-child(3) { grid-column: 1; grid-row: 2; }
}

.lp-feature-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 2rem;
    background: #fff;
    border: 2.5px solid var(--lp-border);
    border-radius: var(--lp-radius-lg);
    box-shadow: var(--lp-shadow-clay);
    transition: transform 200ms ease, box-shadow 200ms ease;
    cursor: default;
}

.lp-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--lp-shadow-clay-hover);
}

.lp-feature-card--highlighted {
    border-color: var(--lp-secondary);
    background: linear-gradient(135deg, #EEF2FF 0%, #fff 60%);
}

.lp-feature-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--lp-secondary);
    color: #fff;
    font-family: var(--lp-font);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.2rem 0.7rem;
    border-radius: 100px;
    white-space: nowrap;
}

.lp-feature-card__icon {
    width: 56px; height: 56px;
    border-radius: var(--lp-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
    flex-shrink: 0;
}

.lp-feature-card__icon--indigo {
    background: #EEF2FF;
    color: var(--lp-secondary);
    border-color: #C7D2FE;
}

.lp-feature-card__icon--green {
    background: #F0FDF4;
    color: var(--lp-accent-dark);
    border-color: #BBF7D0;
}

.lp-feature-card__icon--purple {
    background: #F5F3FF;
    color: #7C3AED;
    border-color: #DDD6FE;
}

.lp-feature-card__title {
    font-family: var(--lp-font);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--lp-primary);
    margin: 0;
}

.lp-feature-card__desc {
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--lp-text-muted);
    margin: 0;
    flex: 1;
}

.lp-feature-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--lp-font);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--lp-secondary);
    text-decoration: none;
    transition: gap 200ms ease, color 200ms ease;
    cursor: pointer;
}

.lp-feature-card__link:hover {
    gap: 0.5rem;
    color: var(--lp-primary);
    text-decoration: none;
}

/* ════════════════════════════════════════════════════════════
   TESTIMONIALS
════════════════════════════════════════════════════════════ */
.lp-testimonials {
    padding: 5rem 0;
    background: var(--lp-surface-2);
}

.lp-testimonials__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .lp-testimonials__grid { grid-template-columns: repeat(3, 1fr); }
}

.lp-testimonial {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.75rem;
    background: #fff;
    border: 2.5px solid var(--lp-border);
    border-radius: var(--lp-radius-lg);
    box-shadow: var(--lp-shadow-clay);
    margin: 0;
}

.lp-testimonial__stars { display: flex; gap: 0.2rem; }

.lp-testimonial__quote {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--lp-text);
    font-style: italic;
    margin: 0;
    flex: 1;
}

.lp-testimonial__author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.lp-testimonial__avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--lp-secondary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--lp-font);
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.lp-testimonial__avatar--blue { background: #3B82F6; }
.lp-testimonial__avatar--green { background: var(--lp-accent-dark); }

.lp-testimonial__name {
    display: block;
    font-family: var(--lp-font);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--lp-primary);
    font-style: normal;
}

.lp-testimonial__role {
    display: block;
    font-size: 0.78rem;
    color: var(--lp-text-light);
}

/* ════════════════════════════════════════════════════════════
   FINAL CTA
════════════════════════════════════════════════════════════ */
.lp-cta {
    position: relative;
    overflow: hidden;
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--lp-primary) 0%, var(--lp-secondary) 100%);
    text-align: center;
}

.lp-cta__blob {
    position: absolute;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    top: -150px; right: -100px;
    pointer-events: none;
}

.lp-cta__content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.lp-cta__headline {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 800;
    color: #fff;
    margin: 0;
    letter-spacing: -0.025em;
    line-height: 1.15;
}

.lp-cta__sub {
    font-size: 1.05rem;
    line-height: 1.6;
    color: rgba(255,255,255,0.75);
    max-width: 52ch;
    margin: 0;
}

.lp-cta__actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 0.5rem;
}

/* ════════════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════════════ */
.lp-footer {
    background: var(--lp-primary);
    padding: 3rem 0 0;
}

.lp-footer__inner {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
    padding-bottom: 2rem;
}

@media (min-width: 768px) {
    .lp-footer__inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.lp-footer__brand { display: flex; flex-direction: column; gap: 0.5rem; }

.lp-footer .lp-nav__brand { color: #fff; }
.lp-footer .lp-nav__brand:hover { color: rgba(255,255,255,0.8); }

.lp-footer__tagline {
    font-family: var(--lp-font);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    margin: 0;
}

.lp-footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1.5rem;
}

.lp-footer__link {
    font-family: var(--lp-font);
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-weight: 500;
    transition: color 200ms ease;
}

.lp-footer__link:hover {
    color: #fff;
    text-decoration: none;
}

.lp-footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 1rem 1.5rem;
    text-align: center;
}

.lp-footer__bottom p {
    font-family: var(--lp-font);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
    margin: 0;
}

a, .btn-link {
    color: #006bb7;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50110;
}

.validation-message {
    color: #e50110;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ════════════════════════════════════════════════════════════
   FORUM PAGES — Design System (same tokens as landing page)
   fm- prefix for all forum-specific classes
════════════════════════════════════════════════════════════ */

/* ── Page header ── */
.fm-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.75rem;
    flex-wrap: wrap;
}

.fm-page-header__text { display: flex; flex-direction: column; gap: 0.25rem; }

.fm-page-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--lp-primary);
    margin: 0;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.fm-page-sub {
    font-family: var(--lp-font);
    font-size: 0.9rem;
    color: var(--lp-text-muted);
    margin: 0;
}

/* ── Breadcrumb ── */
.fm-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 1.5rem;
    font-family: var(--lp-font);
    font-size: 0.85rem;
}

.fm-breadcrumb__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--lp-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 150ms ease;
}

.fm-breadcrumb__link:hover { color: var(--lp-primary); text-decoration: none; }

.fm-breadcrumb__sep { color: var(--lp-text-light); flex-shrink: 0; }

.fm-breadcrumb__current {
    color: var(--lp-text-muted);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 400px;
}

/* ── Filters ── */
.fm-filters {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.fm-search {
    position: relative;
    flex: 1;
    min-width: 160px;
}

.fm-search__icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--lp-text-light);
    pointer-events: none;
    flex-shrink: 0;
}

.fm-search__input {
    width: 100%;
    padding: 0.55rem 0.75rem 0.55rem 2.25rem;
    font-family: var(--lp-font);
    font-size: 0.875rem;
    color: var(--lp-text);
    background: #fff;
    border: 2px solid var(--lp-border);
    border-radius: var(--lp-radius-sm);
    outline: none;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.fm-search__input::placeholder { color: var(--lp-text-light); }

.fm-search__input:focus {
    border-color: var(--lp-secondary);
    box-shadow: 0 0 0 3px rgba(67,56,202,.12);
}

.fm-filter-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-shrink: 0;
}

/* ── Thread list ── */
.fm-thread-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.fm-thread-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: #fff;
    border: 2px solid var(--lp-border);
    border-radius: var(--lp-radius);
    text-decoration: none;
    color: inherit;
    transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
    cursor: pointer;
}

.fm-thread-card:hover {
    border-color: var(--lp-secondary);
    box-shadow: var(--lp-shadow-clay);
    transform: translateY(-1px);
    text-decoration: none;
    color: inherit;
}

.fm-thread-card:focus-visible {
    outline: 3px solid var(--lp-accent);
    outline-offset: 2px;
}

.fm-thread-card__avatar {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--lp-secondary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--lp-font);
    font-size: 1rem;
    font-weight: 700;
    flex-shrink: 0;
}

.fm-thread-card__content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.fm-thread-card__top {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.fm-thread-card__title {
    font-family: var(--lp-font);
    font-size: 0.975rem;
    font-weight: 700;
    color: var(--lp-primary);
    margin: 0;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fm-thread-card__meta {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
    font-family: var(--lp-font);
    font-size: 0.8rem;
    color: var(--lp-text-muted);
}

.fm-thread-card__author { font-weight: 600; color: var(--lp-text); }
.fm-thread-card__sep { color: var(--lp-text-light); }
.fm-thread-card__date { color: var(--lp-text-light); }
.fm-thread-card__tags { display: flex; gap: 0.3rem; flex-wrap: wrap; }

.fm-thread-card__tail {
    color: var(--lp-text-light);
    flex-shrink: 0;
    transition: color 200ms ease;
}

.fm-thread-card:hover .fm-thread-card__tail { color: var(--lp-secondary); }

/* ── Tags ── */
.fm-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.55rem;
    background: #EEF2FF;
    color: var(--lp-secondary);
    border: 1px solid #C7D2FE;
    border-radius: 100px;
    font-family: var(--lp-font);
    font-size: 0.72rem;
    font-weight: 600;
    white-space: nowrap;
}

/* ── Badges (pinned/locked) ── */
.fm-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    font-family: var(--lp-font);
    font-size: 0.72rem;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
}

.fm-badge--pinned {
    background: #FEF9C3;
    color: #854D0E;
    border: 1px solid #FDE047;
}

.fm-badge--locked {
    background: #F1F5F9;
    color: var(--lp-text-muted);
    border: 1px solid var(--lp-border);
}

/* ── Loading / Empty / Alerts ── */
.fm-loading {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 2.5rem;
    justify-content: center;
    font-family: var(--lp-font);
    font-size: 0.9rem;
    color: var(--lp-text-muted);
}

.fm-spinner {
    width: 20px;
    height: 20px;
    border: 2.5px solid var(--lp-border);
    border-top-color: var(--lp-secondary);
    border-radius: 50%;
    animation: fm-spin 0.7s linear infinite;
    flex-shrink: 0;
}

.fm-spinner--sm {
    width: 15px;
    height: 15px;
    border-width: 2px;
}

@keyframes fm-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
    .fm-spinner { animation: none; border-top-color: var(--lp-secondary); }
}

.fm-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
    padding: 4rem 2rem;
}

.fm-empty__icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--lp-surface-2);
    border: 2px solid var(--lp-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--lp-text-light);
    margin-bottom: 0.5rem;
}

.fm-empty__title {
    font-family: var(--lp-font);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--lp-primary);
    margin: 0;
}

.fm-empty__sub {
    font-family: var(--lp-font);
    font-size: var(--text-base);
    color: var(--lp-text-muted);
    max-width: 42ch;
    margin: 0 0 0.5rem;
}

.fm-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.85rem 1rem;
    border-radius: var(--lp-radius-sm);
    font-family: var(--lp-font);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    border: 1.5px solid transparent;
}

/* ── Infinite Scroll Container ── */
.fm-scroll-container {
    width: 100%;
}

.fm-scroll-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem;
    font-family: var(--lp-font);
    font-size: 0.875rem;
    color: var(--lp-text-muted);
}

.fm-scroll-end {
    text-align: center;
    padding: 1.5rem;
    font-family: var(--lp-font);
    font-size: 0.8rem;
    color: var(--lp-text-light);
    border-top: 1px solid var(--lp-border);
    margin-top: 1rem;
}

.fm-alert--warning {
    background: #FEF3C7;
    color: #92400E;
    border-color: #FDE68A;
}

.fm-alert--danger {
    background: #FEF2F2;
    color: #991B1B;
    border-color: #FECACA;
}

.fm-alert--info {
    background: #EFF6FF;
    color: #1D4ED8;
    border-color: #BFDBFE;
}

/* ── Thread header (view mode) ── */
.fm-thread-header {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.fm-thread-header__badges { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.fm-thread-title {
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 3vw, 1.85rem);
    font-weight: 700;
    color: var(--lp-primary);
    margin: 0;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.fm-thread-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--lp-font);
    font-size: 0.85rem;
    color: var(--lp-text-muted);
    flex-wrap: wrap;
}

.fm-thread-meta__author {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    color: var(--lp-text);
}

.fm-thread-meta__sep { color: var(--lp-text-light); }
.fm-thread-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* ── Posts ── */
.fm-post {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: #fff;
    border: 2px solid var(--lp-border);
    border-radius: var(--lp-radius);
    margin-bottom: 0.75rem;
}

.fm-post--op {
    border-color: #C7D2FE;
    background: linear-gradient(135deg, #EEF2FF 0%, #fff 50%);
    margin-bottom: 1.5rem;
}

.fm-post__avatar {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--lp-secondary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--lp-font);
    font-size: 0.9rem;
    font-weight: 700;
    flex-shrink: 0;
}

.fm-post__avatar--op {
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
    border-radius: 14px;
}

.fm-post__avatar--sm {
    width: 28px;
    height: 28px;
    font-size: 0.72rem;
    border-radius: 8px;
}

.fm-post__body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.fm-post__header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.fm-post__author-name {
    font-family: var(--lp-font);
    font-size: 0.9rem;
    color: var(--lp-primary);
}

.fm-post__op-badge {
    font-family: var(--lp-font);
    font-size: 0.7rem;
    font-weight: 700;
    background: var(--lp-secondary);
    color: #fff;
    padding: 0.1rem 0.45rem;
    border-radius: 100px;
}

.fm-post__reply-num {
    font-family: var(--lp-font);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--lp-text-light);
}

.fm-post__time {
    font-family: var(--lp-font);
    font-size: 0.78rem;
    color: var(--lp-text-light);
    margin-left: auto;
}

.fm-post__content {
    font-family: var(--lp-font);
    font-size: var(--text-base);
    line-height: 1.75;
    color: var(--lp-text);
    white-space: pre-wrap;
    word-break: break-word;
    max-width: 72ch;
}

/* ── Replies section header ── */
.fm-replies-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--lp-font);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--lp-primary);
    margin-bottom: 0.75rem;
    margin-top: 0.5rem;
}

.fm-replies-list { display: flex; flex-direction: column; }

/* ── Reply form ── */
.fm-reply-form {
    background: #fff;
    border: 2px solid var(--lp-border);
    border-radius: var(--lp-radius);
    padding: 1.25rem;
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.fm-reply-form__header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--lp-font);
    font-size: 0.875rem;
    color: var(--lp-text-muted);
}

.fm-reply-form__label { font-weight: 500; }

/* ── Sign-in prompt ── */
.fm-sign-in-prompt {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: #EEF2FF;
    border: 2px solid #C7D2FE;
    border-radius: var(--lp-radius);
    color: var(--lp-secondary);
    margin-top: 1rem;
}

.fm-sign-in-prompt__text {
    font-family: var(--lp-font);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--lp-primary);
    margin: 0 0 0.75rem;
}

.fm-sign-in-prompt__actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ── Compose form ── */
.fm-compose {
    max-width: 760px;
}

.fm-compose__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--lp-primary);
    margin: 0 0 0.25rem;
    letter-spacing: -0.02em;
}

.fm-compose__sub {
    font-family: var(--lp-font);
    font-size: 0.9rem;
    color: var(--lp-text-muted);
    margin: 0 0 1.25rem;
}

.fm-form-card {
    background: #fff;
    border: 2px solid var(--lp-border);
    border-radius: var(--lp-radius-lg);
    box-shadow: var(--lp-shadow-clay);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* ── Form fields ── */
.fm-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.fm-label {
    font-family: var(--lp-font);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--lp-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.fm-label__hint {
    font-weight: 400;
    color: var(--lp-text-light);
    font-size: 0.8rem;
}

.fm-input,
.fm-textarea {
    width: 100%;
    padding: 0.65rem 0.9rem;
    font-family: var(--lp-font);
    font-size: 0.9rem;
    color: var(--lp-text);
    background: var(--lp-surface);
    border: 2px solid var(--lp-border);
    border-radius: var(--lp-radius-sm);
    outline: none;
    transition: border-color 150ms ease, box-shadow 150ms ease, background 150ms ease;
    resize: vertical;
}

.fm-input::placeholder,
.fm-textarea::placeholder { color: var(--lp-text-light); }

.fm-input:focus,
.fm-textarea:focus {
    border-color: var(--lp-secondary);
    box-shadow: 0 0 0 3px rgba(67,56,202,.12);
    background: #fff;
}

.fm-textarea { line-height: 1.6; min-height: 100px; }

.fm-form-actions {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    flex-wrap: wrap;
}

/* ════════════════════════════════════════════════════════════
   EXERCISE & PLAN PAGES
════════════════════════════════════════════════════════════ */

/* ── Filters ── */
.ex-filters { display:flex; gap:0.6rem; margin-bottom:1.5rem; flex-wrap:wrap; align-items:center; }
.ex-filters__grow { flex:1; min-width:140px; }
.ex-select {
    padding:0.55rem 0.75rem; font-family:var(--lp-font); font-size:0.875rem;
    color:var(--lp-text); background:#fff; border:2px solid var(--lp-border);
    border-radius:var(--lp-radius-sm); outline:none; cursor:pointer;
    transition:border-color 150ms ease, box-shadow 150ms ease;
}
.ex-select:focus { border-color:var(--lp-secondary); box-shadow:0 0 0 3px rgba(67,56,202,.12); }

/* ── Exercise grid ── */
.ex-grid {
    display:grid; grid-template-columns:repeat(auto-fill, minmax(280px,1fr)); gap:1rem;
}
.ex-card {
    display:flex; flex-direction:column; text-decoration:none; color:inherit;
    background:#fff; border:2px solid var(--lp-border); border-radius:var(--lp-radius);
    overflow:hidden; box-shadow:var(--lp-shadow-clay); cursor:pointer;
    transition:transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}
.ex-card:hover { transform:translateY(-3px); box-shadow:var(--lp-shadow-clay-hover); border-color:#C7D2FE; text-decoration:none; color:inherit; }
.ex-card:focus-visible { outline:3px solid var(--lp-accent); outline-offset:2px; }

/* Difficulty ribbon */
.ex-card__ribbon { height:5px; width:100%; }
.ex-ribbon--beginner     { background:#22C55E; }
.ex-ribbon--intermediate { background:#4338CA; }
.ex-ribbon--advanced     { background:#f97316; }
.ex-ribbon--expert       { background:#ef4444; }
.ex-ribbon--plan         { background:linear-gradient(90deg,#4338CA,#7C3AED); }

.ex-card__body { padding:1rem 1.1rem 0.75rem; flex:1; display:flex; flex-direction:column; gap:0.5rem; }
.ex-card__meta { display:flex; align-items:center; gap:0.4rem; flex-wrap:wrap; }
.ex-category-pill {
    display:inline-flex; align-items:center; padding:0.15rem 0.55rem;
    background:#F1F5F9; color:var(--lp-text-muted); border:1px solid var(--lp-border);
    border-radius:100px; font-family:var(--lp-font); font-size:0.72rem; font-weight:600; white-space:nowrap;
}
.ex-duration {
    display:inline-flex; align-items:center; gap:0.25rem;
    font-family:var(--lp-font); font-size:0.75rem; color:var(--lp-text-light);
}
.ex-difficulty-badge {
    display:inline-flex; align-items:center; padding:0.15rem 0.55rem;
    border-radius:100px; font-family:var(--lp-font); font-size:0.72rem; font-weight:700; color:#fff; white-space:nowrap;
}
.ex-difficulty--beginner     { background:#22C55E; }
.ex-difficulty--intermediate { background:#4338CA; }
.ex-difficulty--advanced     { background:#f97316; }
.ex-difficulty--expert       { background:#ef4444; }

.ex-card__title {
    font-family:var(--lp-font); font-size:0.975rem; font-weight:700;
    color:var(--lp-primary); margin:0; line-height:1.3;
}
.ex-card__desc {
    font-family:var(--lp-font); font-size:var(--text-base); line-height:1.6;
    color:var(--lp-text-muted); margin:0; flex:1;
    display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden;
}
.ex-card__footer {
    display:flex; align-items:center; justify-content:space-between;
    padding:0.6rem 1.1rem; border-top:1.5px solid var(--lp-border);
    background:var(--lp-surface); gap:0.5rem;
}
.ex-card__tags { display:flex; gap:0.3rem; flex-wrap:wrap; }
.ex-card__date { font-family:var(--lp-font); font-size:0.75rem; color:var(--lp-text-light); white-space:nowrap; flex-shrink:0; }

/* ── Detail header ── */
.ex-detail-header {
    display:flex; align-items:flex-start; justify-content:space-between;
    gap:1rem; margin-bottom:1.5rem; flex-wrap:wrap;
}
.ex-detail-header__left { display:flex; flex-direction:column; gap:0.5rem; flex:1; min-width:0; }
.ex-detail-badges { display:flex; align-items:center; gap:0.5rem; flex-wrap:wrap; }
.ex-detail-title {
    font-family:var(--font-display); font-size:clamp(1.4rem,3vw,2rem); font-weight:700;
    color:var(--lp-primary); margin:0; letter-spacing:-0.02em; line-height:1.15;
}
.ex-detail-dateline {
    display:flex; align-items:center; gap:0.4rem; flex-wrap:wrap;
    font-family:var(--lp-font); font-size:0.82rem; color:var(--lp-text-light);
}
.ex-compose { max-width:760px; }

/* ── Form helpers ── */
.ex-form-row { display:flex; gap:1rem; flex-wrap:wrap; }
.ex-required { color:#ef4444; }
.ex-validation-msg { font-family:var(--lp-font); font-size:0.8rem; color:#ef4444; margin-top:0.2rem; display:block; }
.ex-tag-input-row { display:flex; gap:0.5rem; align-items:center; }
.ex-tags-display { display:flex; gap:0.4rem; flex-wrap:wrap; margin-top:0.5rem; }
.ex-tag-removable { display:inline-flex; align-items:center; gap:0.3rem; padding-right:0.35rem; }
.ex-tag-remove {
    background:none; border:none; padding:0; cursor:pointer; color:var(--lp-secondary);
    display:inline-flex; align-items:center; opacity:0.7; transition:opacity 150ms;
}
.ex-tag-remove:hover { opacity:1; }

/* ── Plan detail ── */
.pl-section-header {
    display:flex; align-items:center; justify-content:space-between;
    margin-bottom:0.85rem; flex-wrap:wrap; gap:0.5rem;
}
.pl-add-panel {
    background:#F8FAFF; border:2px solid #C7D2FE; border-radius:var(--lp-radius);
    padding:1.25rem; margin-bottom:1rem; display:flex; flex-direction:column; gap:0.75rem;
}
.pl-add-panel__title { font-family:var(--lp-font); font-size:0.95rem; font-weight:700; color:var(--lp-primary); margin:0; }
.pl-add-panel__empty { font-family:var(--lp-font); font-size:0.85rem; color:var(--lp-text-light); font-style:italic; margin:0; }
.pl-picker { display:flex; flex-direction:column; gap:0.3rem; max-height:200px; overflow-y:auto; border-radius:var(--lp-radius-sm); }
.pl-picker-item {
    display:flex; align-items:center; justify-content:space-between; gap:0.5rem;
    padding:0.6rem 0.85rem; background:#fff; border:1.5px solid var(--lp-border);
    border-radius:var(--lp-radius-sm); cursor:pointer; text-align:left;
    font-family:var(--lp-font); transition:border-color 150ms, background 150ms;
}
.pl-picker-item:hover { border-color:var(--lp-secondary); background:#EEF2FF; }
.pl-picker-item--selected { border-color:var(--lp-secondary); background:#EEF2FF; }
.pl-picker-item__title { font-size:0.875rem; font-weight:600; color:var(--lp-primary); }
.pl-picker-item__meta { display:flex; gap:0.3rem; flex-shrink:0; }
.pl-add-fields { display:flex; gap:0.75rem; flex-wrap:wrap; align-items:flex-end; }
.pl-items-list { display:flex; flex-direction:column; gap:0.5rem; }
.pl-item {
    display:flex; align-items:center; gap:1rem; padding:0.85rem 1rem;
    background:#fff; border:2px solid var(--lp-border); border-radius:var(--lp-radius-sm);
    transition:border-color 200ms;
}
.pl-item:hover { border-color:#C7D2FE; }
.pl-item__order {
    width:32px; height:32px; border-radius:50%; background:var(--lp-secondary); color:#fff;
    display:flex; align-items:center; justify-content:center;
    font-family:var(--lp-font); font-size:0.8rem; font-weight:700; flex-shrink:0;
}
.pl-item__info { flex:1; min-width:0; display:flex; flex-direction:column; gap:0.2rem; }
.pl-item__name { display:flex; align-items:center; gap:0.5rem; flex-wrap:wrap; }
.pl-item__link {
    font-family:var(--lp-font); font-size:0.9rem; font-weight:600; color:var(--lp-secondary);
    text-decoration:none; transition:color 150ms;
}
.pl-item__link:hover { color:var(--lp-primary); text-decoration:none; }
.pl-item__notes { font-family:var(--lp-font); font-size:0.8rem; color:var(--lp-text-light); margin:0; }
.pl-item__remove {
    background:none; border:1.5px solid var(--lp-border); border-radius:8px; padding:0.35rem;
    cursor:pointer; color:var(--lp-text-light); display:flex; align-items:center;
    transition:border-color 150ms, color 150ms, background 150ms; flex-shrink:0;
}
.pl-item__remove:hover { border-color:#FECACA; color:#ef4444; background:#FEF2F2; }
.pl-item__remove:disabled { opacity:0.4; cursor:not-allowed; }

/* ════════════════════════════════════════════════════════════
   MUSIC SHEETS PAGE
   ms- prefix
════════════════════════════════════════════════════════════ */

.ms-page {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 9.2rem);
    height: calc(100dvh - 9.2rem);
    overflow: hidden;
}

.ms-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    grid-template-rows: 1fr;
    gap: 1.25rem;
    align-items: stretch;
    flex: 1;
    min-height: 0;
}

@media (max-width: 768px) {
    .ms-page { height: auto; overflow: visible; }
    .ms-layout { grid-template-columns: 1fr; grid-template-rows: auto; flex: none; align-items: start; }
    .ms-list-panel { overflow-y: visible; min-height: auto; }
}

.ms-list-panel { display: flex; flex-direction: column; gap: 0.5rem; overflow-y: auto; min-height: 0; }

.ms-sheet-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.9rem 1rem;
    background: #fff;
    border: 2px solid var(--lp-border);
    border-radius: var(--lp-radius);
    cursor: pointer;
    text-align: left;
    width: 100%;
    font-family: var(--lp-font);
    transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}

.ms-sheet-card:hover {
    border-color: var(--lp-secondary);
    box-shadow: var(--lp-shadow-clay);
    transform: translateY(-1px);
}

.ms-sheet-card--active {
    border-color: var(--lp-secondary);
    background: linear-gradient(135deg, #EEF2FF 0%, #fff 60%);
    box-shadow: var(--lp-shadow-clay);
}

.ms-sheet-card__icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--lp-secondary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 200ms ease;
}

.ms-sheet-card--active .ms-sheet-card__icon {
    background: var(--lp-accent-dark);
}

.ms-sheet-card__content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.ms-sheet-card__title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--lp-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
}

.ms-sheet-card__meta {
    font-size: 0.78rem;
    color: var(--lp-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ms-sheet-card__tags { display: flex; gap: 0.25rem; flex-wrap: wrap; margin-top: 0.15rem; }

.ms-sheet-card__date {
    font-size: 0.72rem;
    color: var(--lp-text-light);
    flex-shrink: 0;
    align-self: flex-start;
}

/* Viewer panel */
.ms-viewer-panel {
    background: #fff;
    border: 2px solid var(--lp-border);
    border-radius: var(--lp-radius-lg);
    box-shadow: var(--lp-shadow-clay);
    overflow: hidden;
    overflow-y: auto;
    min-height: 440px;
}

.ms-viewer-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 1.1rem 1.25rem;
    border-bottom: 2px solid var(--lp-border);
    background: var(--lp-surface);
    flex-wrap: wrap;
}

.ms-viewer-header__info { display: flex; flex-direction: column; gap: 0.15rem; }

.ms-viewer-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--lp-primary);
    margin: 0;
    letter-spacing: -0.01em;
}

.ms-viewer-composer {
    font-family: var(--lp-font);
    font-size: 0.85rem;
    color: var(--lp-text-muted);
    margin: 0;
}

.ms-viewer-body { padding: 1.25rem; }

.ms-viewer-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 5rem 2rem;
    text-align: center;
}

.ms-viewer-placeholder__icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--lp-surface-2);
    border: 2px solid var(--lp-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--lp-text-light);
}

.ms-viewer-placeholder__text {
    font-family: var(--lp-font);
    font-size: 0.95rem;
    color: var(--lp-text-muted);
    margin: 0;
}

/* ════════════════════════════════════════════════════════════
   AUTH PAGES (login / register)
   auth- prefix
════════════════════════════════════════════════════════════ */

.auth-wrap {
    min-height: calc(100vh - 120px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-card {
    background: #fff;
    border: 2px solid var(--lp-border);
    border-radius: var(--lp-radius-lg);
    box-shadow: var(--lp-shadow-clay);
    width: 100%;
    max-width: 420px;
    overflow: hidden;
}

.auth-card__header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    padding: 2rem 1.75rem 1.5rem;
    text-align: center;
    background: linear-gradient(180deg, var(--lp-surface) 0%, #fff 100%);
    border-bottom: 2px solid var(--lp-border);
}

.auth-card__icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--lp-secondary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.35rem;
}

.auth-card__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--lp-primary);
    margin: 0;
    letter-spacing: -0.02em;
}

.auth-card__subtitle {
    font-family: var(--lp-font);
    font-size: 0.875rem;
    color: var(--lp-text-muted);
    margin: 0;
}

.auth-card__body {
    padding: 1.5rem 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-footer {
    padding: 1.1rem 1.75rem;
    border-top: 2px solid var(--lp-border);
    background: var(--lp-surface);
    text-align: center;
    font-family: var(--lp-font);
    font-size: 0.875rem;
    color: var(--lp-text-muted);
}

.auth-footer a {
    color: var(--lp-secondary);
    font-weight: 600;
    text-decoration: none;
    transition: color 150ms ease;
}
.auth-footer a:hover { color: var(--lp-primary); }

.auth-validation {
    font-family: var(--lp-font);
    font-size: 0.8rem;
    color: #ef4444;
    margin-top: 0.2rem;
    display: block;
}

.auth-check-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--lp-font);
    font-size: 0.875rem;
    color: var(--lp-text-muted);
    cursor: pointer;
}

.auth-check-row input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--lp-secondary);
    cursor: pointer;
}

/* ════════════════════════════════════════════════════════════
   ERROR PAGE
   err- prefix
════════════════════════════════════════════════════════════ */

.err-wrap {
    min-height: calc(100vh - 120px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.err-card {
    background: #fff;
    border: 2px solid #FECACA;
    border-radius: var(--lp-radius-lg);
    box-shadow: var(--lp-shadow-clay);
    width: 100%;
    max-width: 540px;
    overflow: hidden;
}

.err-card__header {
    padding: 2.5rem 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    background: linear-gradient(135deg, #FEF2F2 0%, #fff 60%);
    border-bottom: 2px solid #FECACA;
    text-align: center;
}

.err-card__icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: #FEF2F2;
    border: 2px solid #FECACA;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ef4444;
}

.err-card__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--lp-primary);
    margin: 0;
    letter-spacing: -0.02em;
}

.err-card__sub {
    font-family: var(--lp-font);
    font-size: var(--text-base);
    color: var(--lp-text-muted);
    margin: 0;
    max-width: 42ch;
}

.err-card__body {
    padding: 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.err-request-id {
    background: var(--lp-surface-2);
    border: 1.5px solid var(--lp-border);
    border-radius: var(--lp-radius-sm);
    padding: 0.65rem 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-family: var(--lp-font);
    font-size: 0.85rem;
    color: var(--lp-text-muted);
    flex-wrap: wrap;
}

.err-request-id__label { font-weight: 600; color: var(--lp-text); white-space: nowrap; }

.err-request-id__code {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.8rem;
    color: var(--lp-secondary);
    word-break: break-all;
}

.err-hint {
    background: #EFF6FF;
    border: 1.5px solid #BFDBFE;
    border-radius: var(--lp-radius-sm);
    padding: 0.75rem 1rem;
    font-family: var(--lp-font);
    font-size: 0.85rem;
    color: #1D4ED8;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    line-height: 1.6;
}

.err-card__footer {
    padding: 1.25rem 2rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ════════════════════════════════════════════════════════════
   GLOBAL MOTION UTILITIES
════════════════════════════════════════════════════════════ */

@keyframes page-fade-up {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Apply to any page container for a subtle entry */
.page-enter {
    animation: page-fade-up 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

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