:root {
    --bg: #f5f2ee;
    --paper: #fffdfb;
    --ink: #1d1d1d;
    --muted: #5d5d5d;
    --rule: #e4dfd9;
    --accent: #2d3b52;
    --accent-soft: #edf2fa;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 2.5rem 1.25rem 4rem;
    background: var(--bg);
    color: var(--ink);
    font-family: "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

main {
    max-width: 1100px;
    margin: 0 auto;
}

h1,
h2,
h3 {
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1.2;
    color: var(--ink);
}

h1 {
    margin: 0 0 0.25rem;
    font-size: clamp(2.2rem, 5vw, 4rem);
}

h2 {
    margin: 0 0 1.5rem;
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--muted);
}

#tags,
#films,
#themes-section,
#research-questions-section,
#bibliography {
    margin-top: 2rem;
}

#research-questions-section .research-questions {
    margin: 0;
    padding: 1rem 1.1rem 1rem 2rem;
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: 14px;
    list-style: decimal;
}

#research-questions-section .research-questions li+li {
    margin-top: 0.6rem;
}

#themes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.theme-card {
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: 14px;
    padding: 1rem 1.1rem;
}

.theme-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
}

.theme-card p {
    margin: 0 0 0.75rem;
}

#tag-list,
#film-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.tag,
.film {
    appearance: none;
    border: 1px solid var(--rule);
    background: var(--paper);
    color: var(--ink);
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    font-size: 0.9rem;
    cursor: pointer;
}

.tag.active,
.film.active {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
}

.hidden {
    display: none !important;
}

.search-wrap {
    margin-top: 1.25rem;
    margin-bottom: 1rem;
}

.search-wrap label {
    display: block;
    margin-bottom: 0.45rem;
    font-weight: 600;
}

.search-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.bibliography-actions {
    display: flex;
    justify-content: flex-start;
    gap: 0.75rem;
    margin: 0.75rem 0 0.5rem;
}

.search-wrap input {
    flex: 1;
    min-width: 0;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--rule);
    border-radius: 10px;
    font-size: 1rem;
    background: var(--paper);
}

.clear-button {
    border: 1px solid var(--rule);
    background: var(--paper);
    color: var(--ink);
    border-radius: 10px;
    padding: 0.7rem 0.9rem;
    font-size: 0.95rem;
    cursor: pointer;
}

.entry {
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: 14px;
    padding: 1.1rem 1.2rem;
    margin-bottom: 1rem;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
}

.entry h2.title {
    margin: 0 0 0.5rem;
    font-size: 1.15rem;
    color: var(--ink);
}

.citation {
    margin: 0 0 0.75rem;
    font-size: 1rem;
}

.tags,
.films {
    display: inline-block;
    margin-right: 0.75rem;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    letter-spacing: 0.02em;
    color: var(--muted);
}

summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--accent);
}

summary+ul,
summary+div {
    margin-top: 0.6rem;
}

details {
    margin-top: 0.8rem;
    border-top: 1px solid var(--rule);
    padding-top: 0.75rem;
}

ul {
    margin: 0;
    padding-left: 1.15rem;
}

li+li {
    margin-top: 0.35rem;
}

em {
    font-style: italic;
}

a {
    color: var(--accent);
}

@media (max-width: 640px) {
    body {
        padding: 1.5rem 0.8rem 3rem;
    }

    .entry {
        padding: 0.9rem 0.9rem;
    }
}