:root {
    --ink: #0a0a0a;
    --paper: #f5f0e8;
    --grey: #6b6b6b;
    --light-grey: #e0dbd0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background: var(--paper);
    color: var(--ink);
    font-family: 'Libre Franklin', sans-serif;
    min-height: 100vh;
}

header {
    border-bottom: 3px solid var(--ink);
    padding: 1.2rem 2rem 1rem;
}

.top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.back-link,
.locale-switch {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--grey);
    text-decoration: none;
}

.locale-switch a {
    color: var(--grey);
    text-decoration: none;
    margin-left: 0.5rem;
    border-bottom: 1px solid transparent;
}

.locale-switch a.active {
    color: var(--ink);
    border-bottom-color: var(--ink);
}

h1 {
    font-family: 'Playfair Display', serif;
    font-weight: 900;
    font-size: clamp(2rem, 5vw, 3.4rem);
    line-height: 1;
}

.subtitle {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.67rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--grey);
    margin-top: 0.4rem;
}

main {
    max-width: 960px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.letters-card,
.people-card {
    border: 1px solid var(--ink);
    background: white;
    box-shadow: 4px 4px 0 var(--ink);
    padding: 1.3rem;
}

.people-card {
    margin-top: 1rem;
    padding: 0;
    overflow: hidden;
}

.letters-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.62rem;
    letter-spacing: 0.17em;
    text-transform: uppercase;
    color: var(--grey);
    margin-bottom: 0.8rem;
}

.letters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.letter-link {
    border: 1px solid var(--light-grey);
    text-decoration: none;
    color: var(--grey);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.35rem 0.52rem;
    min-width: 2rem;
    text-align: center;
}

.letter-link.active {
    color: var(--ink);
    border-color: var(--ink);
}

.person-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--ink);
    border-bottom: 1px solid var(--light-grey);
    padding: 1rem 1.2rem;
}

.person-link:last-child {
    border-bottom: 0;
}

.person-name {
    font-size: 1rem;
    line-height: 1.3;
}

.person-arrow {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--grey);
}

.empty-state {
    padding: 2.3rem 1.2rem;
    text-align: center;
    color: var(--grey);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

@media (max-width: 600px) {
    header { padding: 1rem; }
    main { padding: 0 1rem; }
    .person-link { padding: 0.9rem 1rem; }
}