:root {
    color-scheme: light;
    --ink: #d4af37;
    --ink-muted: rgba(212, 175, 55, 0.72);
    --cream: #0b1f3a;
    --sun: #f0c75e;
    --ocean: #f0c75e;
    --berry: #d4af37;
    --line: rgba(240, 199, 94, 0.28);
    --card: rgba(11, 31, 58, 0.75);
    --mono: "IBM Plex Mono", monospace;
    --display: "Space Grotesk", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--display);
    color: var(--ink);
    background: var(--cream);
    padding: 28px clamp(18px, 3vw, 40px) 80px;
    position: relative;
    overflow-x: hidden;
}

.background {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(0px);
    opacity: 0.85;
}

.orb-a {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(240, 199, 94, 0.35), rgba(240, 199, 94, 0));
    top: -120px;
    left: -80px;
}

.orb-b {
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.28), rgba(212, 175, 55, 0));
    bottom: -220px;
    right: -160px;
}

.grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(240, 199, 94, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(240, 199, 94, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.35;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.brand {
    font-weight: 700;
    text-decoration: none;
    color: var(--ink);
    font-size: 1.1rem;
}

.nav {
    display: flex;
    gap: 16px;
    font-size: 0.95rem;
}

.nav a {
    text-decoration: none;
    color: var(--ink-muted);
    font-weight: 600;
}

.nav a.active,
.nav a:hover {
    color: var(--ink);
}

main {
    max-width: 1100px;
    margin: 40px auto 0;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    flex-wrap: wrap;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.32em;
    font-size: 0.7rem;
    font-weight: 600;
    margin-bottom: 12px;
}

h1 {
    font-size: clamp(2.4rem, 4vw, 3.8rem);
    margin: 0 0 12px;
}

.lede {
    font-size: 1.05rem;
    max-width: 520px;
    color: var(--ink-muted);
    margin: 0;
}

.status {
    font-family: var(--mono);
    background: var(--card);
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid var(--line);
    font-size: 0.9rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.stat-card {
    background: var(--card);
    border-radius: 16px;
    padding: 18px;
    border: 1px solid var(--line);
    box-shadow: 0 12px 30px rgba(3, 12, 24, 0.35);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-label {
    margin: 0 0 10px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--ink-muted);
}

.stat-value {
    margin: 0 0 6px;
    font-family: var(--mono);
    font-size: 2.1rem;
}

.stat-meta {
    margin: 0;
    color: var(--ink-muted);
    font-size: 0.9rem;
}

.controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    align-items: end;
}

.controls label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 6px;
    font-weight: 600;
}

.controls input,
.controls select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--line);
    font-family: var(--mono);
    background: rgba(8, 18, 34, 0.8);
    color: var(--ink);
}

.controls-note {
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(8, 18, 34, 0.65);
}

.controls-label {
    margin: 0 0 6px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--ink-muted);
}

.controls-value {
    margin: 0;
    font-family: var(--mono);
}

.section-header h2 {
    margin: 0 0 8px;
}

.section-header p {
    margin: 0;
    color: var(--ink-muted);
}

.workout-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    margin-top: 18px;
}

.workout-card {
    background: rgba(8, 18, 34, 0.88);
    border-radius: 18px;
    border: 1px solid var(--line);
    padding: 16px;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: 0 16px 32px rgba(3, 12, 24, 0.35);
    animation: fadeUp 0.6s ease both;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.workout-card:hover {
    transform: translateY(-4px);
    border-color: rgba(240, 199, 94, 0.55);
}

.workout-card h4 {
    margin: 0;
    font-size: 1.1rem;
}

.workout-card p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--ink-muted);
}

.workout-card .tag {
    font-family: var(--mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--sun);
}

.skeleton {
    background: linear-gradient(90deg, rgba(11, 31, 58, 0.6) 25%, rgba(20, 44, 78, 0.9) 50%, rgba(11, 31, 58, 0.6) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.2s infinite;
}

.note {
    padding: 20px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(8, 18, 34, 0.78);
}

.note h3 {
    margin: 0 0 8px;
}

.note p {
    margin: 0;
    color: var(--ink-muted);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 12px;
}

.social-links a {
    color: var(--ink);
    font-size: 2.4rem;
    text-decoration: none;
    transition: color 0.2s ease, transform 0.2s ease;
}

.social-links a:hover {
    color: var(--sun);
    transform: translateY(-2px);
}

.modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 10;
}

.modal.is-open {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(3, 12, 24, 0.7);
}

.modal-card {
    position: relative;
    width: min(720px, 95vw);
    max-height: 85vh;
    overflow: auto;
    background: rgba(8, 18, 34, 0.95);
    border-radius: 18px;
    border: 1px solid var(--line);
    padding: 22px 22px 28px;
    box-shadow: 0 24px 50px rgba(3, 12, 24, 0.55);
    animation: fadeUp 0.35s ease both;
    z-index: 1;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 12px;
    background: rgba(8, 18, 34, 0.9);
    color: var(--ink);
    font-family: var(--mono);
    cursor: pointer;
}

.modal-content h3 {
    margin: 0 0 6px;
    font-size: 1.6rem;
}

.modal-content p {
    margin: 0 0 12px;
    color: var(--ink-muted);
}

.modal-section {
    margin-top: 18px;
}

.modal-section h4 {
    margin: 0 0 6px;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--sun);
}

.modal-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.modal-list li {
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(11, 31, 58, 0.75);
}

.modal-list strong {
    display: block;
    margin-bottom: 4px;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

@media (max-width: 720px) {
    .topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero {
        align-items: flex-start;
    }
}