/* ============================================================================
   Simply Muscled Theme — Compiled CSS
   Mirrors the Next.js Tailwind setup. Uses CSS custom properties for the
   brand design tokens.
   ============================================================================ */

/* ----------------------------------------------------------------------------
   Design tokens
   ---------------------------------------------------------------------------- */
:root {
    --color-st-yellow: #c2ff42;
    --color-st-black:  #0e0e0e;
    --color-st-smoke:  #f0f0f0;
    --color-grey:      #757575;
    --color-light-grey: #e6e6e6;

    --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* ----------------------------------------------------------------------------
   Reset
   ---------------------------------------------------------------------------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
    background: var(--color-st-smoke);
    color: var(--color-st-black);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}
img, svg { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font: inherit; }
table { border-collapse: collapse; width: 100%; }
::selection { background: var(--color-st-yellow); color: var(--color-st-black); }

/* ----------------------------------------------------------------------------
   Typography utilities
   ---------------------------------------------------------------------------- */
.font-display {
    font-family: var(--font-display);
    letter-spacing: -0.04em;
    font-weight: 700;
}
.font-mono-st {
    font-family: var(--font-mono);
    letter-spacing: 0;
}

/* Eyebrow / label */
.eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-grey);
    margin-bottom: 16px;
}
.eyebrow.yellow { color: var(--color-st-yellow); }
.eyebrow.light  { color: rgba(255,255,255,0.5); }

/* ----------------------------------------------------------------------------
   Color utilities
   ---------------------------------------------------------------------------- */
.bg-st-yellow   { background: var(--color-st-yellow); }
.bg-st-black    { background: var(--color-st-black); }
.bg-st-smoke    { background: var(--color-st-smoke); }
.bg-white       { background: #ffffff; }

.text-st-yellow { color: var(--color-st-yellow); }
.text-st-black  { color: var(--color-st-black); }
.text-white     { color: #ffffff; }
.text-grey      { color: var(--color-grey); }

/* ----------------------------------------------------------------------------
   Layout utilities
   ---------------------------------------------------------------------------- */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
}
@media (min-width: 768px) {
    .container { padding: 0 40px; }
}

.section { padding: 64px 0; }
@media (min-width: 768px) {
    .section { padding: 80px 0; }
}

.grid-2 { display: grid; grid-template-columns: 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 24px; }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (min-width: 768px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
    .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1024px) {
    .grid-2.lg-3 { grid-template-columns: 1fr 1fr 1fr; }
    .grid-3.lg-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ----------------------------------------------------------------------------
   Buttons
   ---------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 9999px;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.2s;
    border: 1px solid transparent;
    cursor: pointer;
}
.btn-primary {
    background: var(--color-st-yellow);
    color: var(--color-st-black);
}
.btn-primary:hover {
    background: var(--color-st-black);
    color: #fff;
}
.btn-secondary {
    background: transparent;
    color: var(--color-st-black);
    border-color: rgba(14,14,14,0.2);
}
.btn-secondary:hover {
    background: var(--color-st-black);
    color: #fff;
}
.btn-light {
    background: rgba(255,255,255,0.1);
    color: #fff;
    backdrop-filter: blur(8px);
    border-color: rgba(255,255,255,0.2);
}
.btn-light:hover {
    background: #fff;
    color: var(--color-st-black);
}

/* ----------------------------------------------------------------------------
   Cards
   ---------------------------------------------------------------------------- */
.card {
    background: #fff;
    border: 1px solid rgba(14,14,14,0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: border-color 0.2s;
}
.card:hover { border-color: var(--color-st-black); }

.card-dark {
    background: var(--color-st-black);
    color: #fff;
    border-radius: var(--radius-xl);
    padding: 32px;
}
.card-yellow {
    background: var(--color-st-yellow);
    color: var(--color-st-black);
    border-radius: var(--radius-xl);
    padding: 32px;
}

/* ----------------------------------------------------------------------------
   Badges / tags
   ---------------------------------------------------------------------------- */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.badge-yellow {
    background: var(--color-st-yellow);
    color: var(--color-st-black);
}
.badge-outline {
    border: 1px solid rgba(14,14,14,0.2);
    color: var(--color-st-black);
}
.badge-outline-light {
    background: rgba(255,255,255,0.2);
    color: #fff;
    backdrop-filter: blur(8px);
}

/* ----------------------------------------------------------------------------
   Navbar
   ---------------------------------------------------------------------------- */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 60;
    transition: background-color 0.3s;
}
.site-header.solid {
    background: rgba(14,14,14,0.95);
    backdrop-filter: blur(8px);
}
.site-header .nav-container {
    max-width: 2200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
@media (min-width: 768px) {
    .site-header .nav-container { padding: 0 40px; height: 96px; }
}
.site-logo {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.04em;
    color: #fff;
    text-transform: lowercase;
}
.site-logo .accent { color: var(--color-st-yellow); }

.nav-links {
    display: none;
    align-items: center;
    gap: 4px;
}
@media (min-width: 1024px) {
    .nav-links { display: flex; }
}
.nav-link {
    padding: 8px 12px;
    border-radius: 9999px;
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.7);
    transition: all 0.2s;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.1); }
.nav-link.active { background: var(--color-st-yellow); color: var(--color-st-black); }

.menu-toggle {
    width: 48px; height: 48px;
    border-radius: 9999px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: all 0.2s;
}
.menu-toggle:hover { background: var(--color-st-yellow); color: var(--color-st-black); }

/* Mobile menu overlay */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 50;
    background: var(--color-st-black);
    color: #fff;
    display: none;
    flex-direction: column;
    padding: 96px 24px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
    display: block;
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    line-height: 1.05;
    padding: 8px 0;
    color: #fff;
}
.mobile-menu a:hover { color: var(--color-st-yellow); }
@media (min-width: 768px) {
    .mobile-menu { padding: 96px 80px; }
    .mobile-menu a { font-size: 72px; }
}
.mobile-menu .num {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 400;
    color: rgba(255,255,255,0.5);
    margin-right: 16px;
    vertical-align: top;
    margin-top: 14px;
}

/* ----------------------------------------------------------------------------
   Hero
   ---------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    background: var(--color-st-black);
    color: #fff;
    overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img {
    width: 100%; height: 100%; object-fit: cover;
}
.hero-bg::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, rgba(14,14,14,0.6) 0%, rgba(14,14,14,0.4) 50%, rgba(14,14,14,0.85) 100%);
}
.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1600px;
    margin: 0 auto;
    padding: 96px 24px 64px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
@media (min-width: 768px) {
    .hero-content { padding: 96px 64px 64px; }
}
.hero h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2.8rem, 11vw, 11rem);
    line-height: 0.92;
    letter-spacing: -0.04em;
}
.hero h1 .yellow { color: var(--color-st-yellow); }
.hero p {
    max-width: 36rem;
    font-size: 18px;
    color: rgba(255,255,255,0.95);
    margin-top: 24px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.6);
}

/* ----------------------------------------------------------------------------
   Exercise cards / grids
   ---------------------------------------------------------------------------- */
.exercise-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}
@media (min-width: 640px) {
    .exercise-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
    .exercise-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1280px) {
    .exercise-grid { grid-template-columns: repeat(4, 1fr); }
}

.exercise-card {
    background: #fff;
    border: 1px solid rgba(14,14,14,0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
}
.exercise-card:hover { border-color: var(--color-st-black); }
.exercise-card .image-wrap {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--color-st-black);
    overflow: hidden;
}
.exercise-card .image-wrap img {
    position: absolute; inset: 0;
    width: 100%; height: 100%; object-fit: cover;
    opacity: 0.9;
    transition: transform 0.7s;
}
.exercise-card:hover .image-wrap img { transform: scale(1.05); opacity: 1; }
.exercise-card .image-wrap::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(14,14,14,0.8), transparent 50%);
}
.exercise-card .badges {
    position: absolute;
    top: 12px; left: 12px;
    display: flex; gap: 6px; flex-wrap: wrap;
    z-index: 1;
}
.exercise-card .equipment-tag {
    position: absolute;
    bottom: 12px; right: 12px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 4px 8px;
    border-radius: 9999px;
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    z-index: 1;
}
.exercise-card .body { padding: 20px; }
.exercise-card h3 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 20px;
    line-height: 1.2;
    margin-bottom: 4px;
}
.exercise-card .meta {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--color-grey);
}
.exercise-card .footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(14,14,14,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

/* ----------------------------------------------------------------------------
   Plan cards
   ---------------------------------------------------------------------------- */
.plan-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}
@media (min-width: 768px) {
    .plan-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
    .plan-grid { grid-template-columns: repeat(3, 1fr); }
}

.plan-card {
    background: var(--color-st-smoke);
    border: 1px solid rgba(14,14,14,0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: border-color 0.2s;
    display: block;
}
.plan-card:hover { border-color: var(--color-st-black); }
.plan-card .image-wrap {
    position: relative;
    aspect-ratio: 16/10;
    background: var(--color-st-black);
    overflow: hidden;
}
.plan-card .image-wrap img {
    position: absolute; inset: 0;
    width: 100%; height: 100%; object-fit: cover;
    opacity: 0.85;
    transition: transform 0.7s, opacity 0.2s;
}
.plan-card:hover .image-wrap img { transform: scale(1.05); opacity: 1; }
.plan-card .image-wrap::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(14,14,14,0.7), transparent 50%);
}
.plan-card .image-wrap .top-left {
    position: absolute; top: 16px; left: 16px; z-index: 1;
}
.plan-card .image-wrap .bottom {
    position: absolute; bottom: 16px; left: 16px; right: 16px;
    display: flex; justify-content: space-between;
    color: #fff;
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    z-index: 1;
}
.plan-card .body { padding: 24px; }
.plan-card h3 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 24px;
    line-height: 1.2;
}
.plan-card .author { font-size: 14px; color: var(--color-grey); margin-top: 4px; }
.plan-card .desc {
    margin-top: 16px;
    font-size: 14px;
    color: rgba(14,14,14,0.7);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.plan-card .stats-row {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(14,14,14,0.1);
    display: flex;
    gap: 16px;
    font-size: 12px;
    font-family: var(--font-mono);
    color: rgba(14,14,14,0.7);
}

/* ----------------------------------------------------------------------------
   Filter chips
   ---------------------------------------------------------------------------- */
.chip {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 9999px;
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: #fff;
    color: rgba(14,14,14,0.6);
    border: 1px solid rgba(14,14,14,0.1);
    cursor: pointer;
    transition: all 0.2s;
}
.chip:hover { color: var(--color-st-black); }
.chip.active { background: var(--color-st-black); color: #fff; border-color: var(--color-st-black); }
.chip-yellow { background: var(--color-st-yellow); color: var(--color-st-black); border-color: var(--color-st-yellow); }

/* ----------------------------------------------------------------------------
   Form inputs
   ---------------------------------------------------------------------------- */
.input, .textarea, .select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid rgba(14,14,14,0.2);
    border-radius: var(--radius-md);
    background: var(--color-st-smoke);
    color: var(--color-st-black);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s, background 0.2s;
}
.input:focus, .textarea:focus, .select:focus {
    outline: none;
    border-color: var(--color-st-black);
    background: #fff;
}
.input::placeholder { color: rgba(14,14,14,0.4); }

/* ----------------------------------------------------------------------------
   Footer
   ---------------------------------------------------------------------------- */
.site-footer {
    background: var(--color-st-black);
    color: #fff;
    padding: 64px 0 32px;
    margin-top: auto;
}
.site-footer .container { max-width: 1600px; padding: 0 24px; }
@media (min-width: 768px) { .site-footer .container { padding: 0 40px; } }
.site-footer .footer-tagline {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2rem, 5vw, 5rem);
    line-height: 0.95;
    letter-spacing: -0.04em;
    padding-bottom: 40px;
    margin-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.site-footer .footer-tagline .yellow { color: var(--color-st-yellow); }
.site-footer .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 32px;
}
@media (min-width: 768px) {
    .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
    .site-footer .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr 1fr; }
}
.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: rgba(255,255,255,0.4);
    margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 8px; font-size: 14px; }
.footer-col a { color: rgba(255,255,255,0.7); transition: color 0.2s; }
.footer-col a:hover { color: var(--color-st-yellow); }

.site-footer .bottom-strip {
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    flex-direction: column;
    gap: 16px;
    font-size: 12px;
    color: rgba(255,255,255,0.4);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}
@media (min-width: 768px) {
    .site-footer .bottom-strip { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* ----------------------------------------------------------------------------
   Page header (inner pages)
   ---------------------------------------------------------------------------- */
.page-header {
    position: relative;
    overflow: hidden;
    padding: 128px 0 48px;
}
@media (min-width: 768px) {
    .page-header { padding: 160px 0 64px; }
}
.page-header.dark { background: var(--color-st-black); color: #fff; }
.page-header h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2.4rem, 8vw, 8rem);
    line-height: 0.92;
    letter-spacing: -0.04em;
    max-width: 80rem;
}
.page-header h1 .muted { color: rgba(14,14,14,0.3); }
.page-header.dark h1 .muted { color: rgba(255,255,255,0.3); }
.page-header h1 .yellow { color: var(--color-st-yellow); }
.page-header .desc {
    margin-top: 24px;
    max-width: 42rem;
    font-size: 18px;
    color: rgba(14,14,14,0.7);
}
.page-header.dark .desc { color: rgba(255,255,255,0.7); }

/* ----------------------------------------------------------------------------
   Custom cursor (desktop only)
   ---------------------------------------------------------------------------- */
.custom-cursor {
    pointer-events: none;
    position: fixed;
    z-index: 2147483647;
    width: 12px; height: 12px;
    border-radius: 9999px;
    background: var(--color-st-yellow);
    mix-blend-mode: difference;
    transition: transform 0.2s ease-out;
    display: none;
}
@media (min-width: 768px) and (pointer: fine) {
    .custom-cursor { display: block; }
}

/* ----------------------------------------------------------------------------
   Marquee
   ---------------------------------------------------------------------------- */
.marquee {
    overflow: hidden;
    -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
    mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
    display: inline-flex;
    animation: marquee 40s linear infinite;
    white-space: nowrap;
    font-family: var(--font-display);
    font-size: 30px;
    font-weight: 600;
}
@media (min-width: 768px) { .marquee-track { font-size: 48px; } }
.marquee-track span { margin: 0 24px; }
.marquee-track .star { color: var(--color-st-yellow); }
@keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ----------------------------------------------------------------------------
   Print styles
   ---------------------------------------------------------------------------- */
@media print {
    .site-header, .site-footer, .mobile-menu, .custom-cursor, .no-print { display: none !important; }
    html, body { background: #fff !important; color: #0e0e0e !important; font-size: 11pt; }
    main { padding: 0 !important; background: #fff !important; }
    * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
    @page { margin: 1.5cm; }
}

/* ----------------------------------------------------------------------------
   Accessibility
   ---------------------------------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* ----------------------------------------------------------------------------
   Reveal animation (framer-motion substitute)
   ---------------------------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s, transform 0.5s;
}
.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* ----------------------------------------------------------------------------
   Breadcrumb
   ---------------------------------------------------------------------------- */
.breadcrumb {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-grey);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}
.breadcrumb a { color: var(--color-grey); }
.breadcrumb a:hover { color: var(--color-st-black); }
.breadcrumb .current { color: var(--color-st-black); }

/* ----------------------------------------------------------------------------
   Calculator UI
   ---------------------------------------------------------------------------- */
.calc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}
@media (min-width: 1024px) {
    .calc-grid { grid-template-columns: 5fr 7fr; }
}
.calc-inputs {
    background: #fff;
    border: 1px solid rgba(14,14,14,0.1);
    border-radius: var(--radius-xl);
    padding: 32px;
}
.calc-results {
    background: var(--color-st-black);
    color: #fff;
    border-radius: var(--radius-xl);
    padding: 32px;
}
.calc-result-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.05);
    color: #fff;
    margin-bottom: 12px;
}
.calc-result-row.highlight {
    background: var(--color-st-yellow);
    color: var(--color-st-black);
}
.calc-result-row .label {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(255,255,255,0.5);
}
.calc-result-row.highlight .label { color: rgba(14,14,14,0.7); }
.calc-result-row .value {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 24px;
    text-align: right;
}
.calc-result-row .detail {
    font-size: 12px;
    margin-top: 4px;
    color: rgba(255,255,255,0.5);
}
.calc-result-row.highlight .detail { color: rgba(14,14,14,0.7); }

/* Radio chip group */
.radio-group { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-chip {
    padding: 8px 16px;
    border-radius: 9999px;
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--color-st-smoke);
    color: rgba(14,14,14,0.6);
    border: 1px solid rgba(14,14,14,0.1);
    cursor: pointer;
}
.radio-chip.active {
    background: var(--color-st-black);
    color: #fff;
}

/* Field group */
.field-group { margin-bottom: 20px; }
.field-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(14,14,14,0.5);
    margin-bottom: 8px;
}

/* ----------------------------------------------------------------------------
   Modal
   ---------------------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(14,14,14,0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
.modal {
    background: var(--color-st-smoke);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
    max-width: 448px;
    width: 100%;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    border-bottom: 1px solid rgba(14,14,14,0.1);
}
.modal-body { padding: 24px; }

/* ----------------------------------------------------------------------------
   Day schedule table (plan detail)
   ---------------------------------------------------------------------------- */
.day-block {
    background: #fff;
    border: 1px solid rgba(14,14,14,0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: 16px;
}
.day-header {
    background: var(--color-st-smoke);
    padding: 20px 24px;
    border-bottom: 1px solid rgba(14,14,14,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.day-header .day-num {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 24px;
}
.day-header .day-info .title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 20px;
}
.day-header .day-info .focus {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-grey);
}
.exercise-row {
    display: grid;
    grid-template-columns: 24px 1fr 80px 100px 80px;
    gap: 12px;
    padding: 12px 24px;
    border-bottom: 1px solid rgba(14,14,14,0.05);
    align-items: center;
    font-size: 14px;
}
.exercise-row:last-child { border-bottom: none; }
.exercise-row .num { color: var(--color-grey); font-family: var(--font-mono); }
.exercise-row .name { font-family: var(--font-display); font-weight: 600; }
.exercise-row .name a:hover { color: var(--color-grey); }
.exercise-row .stats { font-family: var(--font-mono); font-size: 12px; }
.exercise-row .note { font-size: 11px; color: var(--color-grey); margin-top: 4px; }

/* ----------------------------------------------------------------------------
   Stats grid (4 columns)
   ---------------------------------------------------------------------------- */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: rgba(14,14,14,0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
}
@media (min-width: 768px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
}
.stats-grid .stat-cell {
    background: var(--color-st-smoke);
    padding: 24px;
}
.stats-grid .stat-cell .icon {
    color: rgba(14,14,14,0.4);
    margin-bottom: 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}
.stats-grid .stat-cell .value {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
    line-height: 1.2;
}

/* ----------------------------------------------------------------------------
   Misc utilities
   ---------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mb-12 { margin-bottom: 48px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.hidden { display: none; }
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Spinner */
.spinner {
    width: 16px; height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 9999px;
    animation: spin 0.6s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Bounce animation (scroll indicator) */
.bounce {
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}