.diagnosis-page {
    width: min(880px, 100%);
    margin: 0 auto;
    padding: clamp(1.25rem, 4vw, 3.5rem) 0 2rem;
}

.diagnosis-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.diagnosis-heading h1 {
    margin: .25rem 0 0;
    font-size: clamp(2rem, 5vw, 3.4rem);
    letter-spacing: -.035em;
}

.diagnosis-heading p { margin: .4rem 0 0; opacity: .72; }
.diagnosis-kicker { color: var(--primary-color); font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.diagnosis-time { flex: 0 0 auto; padding: .5rem .8rem; border: 1px solid var(--border-color); border-radius: 999px; color: var(--text-color); font-size: .82rem; opacity: .78; }

.diagnosis-meta { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.25rem; }
.diagnosis-meta span { padding: .28rem .68rem; border-radius: 999px; background: rgba(var(--primary-color-rgb), .1); color: var(--primary-color); font-size: .77rem; line-height: 1.4; }
.diagnosis-meta .diagnosis-meta-revealed { background: rgba(var(--success-color-rgb), .12); color: var(--success-color); }

.diagnosis-card,
.diagnosis-reveal,
.diagnosis-archive-card {
    border: 1px solid var(--border-color);
    border-radius: 18px;
    background: var(--card-bg);
    box-shadow: 0 18px 50px var(--card-shadow);
}

.diagnosis-card { padding: clamp(1.2rem, 4vw, 2.4rem); overflow: hidden; }
.diagnosis-image-wrap { margin: calc(clamp(1.2rem, 4vw, 2.4rem) * -1) calc(clamp(1.2rem, 4vw, 2.4rem) * -1) 1.8rem; max-height: 380px; overflow: hidden; }
.diagnosis-image { display: block; width: 100%; height: 100%; max-height: 380px; object-fit: cover; }
.diagnosis-vignette { font-size: clamp(1rem, 2vw, 1.14rem); line-height: 1.85; }
.diagnosis-question { margin: 1.8rem 0 1.2rem; font-size: clamp(1.25rem, 3vw, 1.65rem); }

.diagnosis-answer-form { padding-top: .35rem; }
.diagnosis-answer-form label,
.diagnosis-options legend { display: block; margin-bottom: .55rem; font-size: .82rem; font-weight: 700; }
.diagnosis-input-row { display: flex; gap: .65rem; }
.diagnosis-input { flex: 1 1 auto; min-width: 0; min-height: 48px; padding: .75rem 1rem; border-radius: 10px; font: inherit; }
.diagnosis-input:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), .14); }
.diagnosis-submit { min-width: 128px; }
.diagnosis-fallback { display: flex; align-items: center; gap: .5rem; margin-top: .8rem; color: var(--text-muted, var(--text-color)); font-size: .84rem; opacity: .85; }
.diagnosis-text-button { padding: 0; border: 0; background: transparent; color: var(--primary-color); font: inherit; font-weight: 700; cursor: pointer; }
.diagnosis-text-button:hover { text-decoration: underline; }

.diagnosis-options { margin: 0; padding: 0; border: 0; }
.diagnosis-option { display: flex !important; align-items: center; gap: .8rem; margin: 0 0 .6rem !important; padding: .8rem .9rem; border: 1px solid var(--border-color); border-radius: 10px; cursor: pointer; transition: border-color .18s ease, background .18s ease, transform .18s ease; }
.diagnosis-option:hover { border-color: var(--primary-color); transform: translateY(-1px); }
.diagnosis-option:has(input:checked) { border-color: var(--primary-color); background: rgba(var(--primary-color-rgb), .09); }
.diagnosis-option input { accent-color: var(--primary-color); }
.diagnosis-option-letter { display: grid; place-items: center; width: 1.7rem; height: 1.7rem; border-radius: 50%; background: rgba(var(--primary-color-rgb), .12); color: var(--primary-color); font-size: .75rem; }
.diagnosis-option-actions { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 1rem; }
.diagnosis-error { margin: .45rem 0 0; color: var(--danger-color); font-size: .82rem; }

.diagnosis-received { display: flex; gap: 1rem; padding: 1.1rem; border-radius: 13px; background: rgba(var(--success-color-rgb), .1); border: 1px solid rgba(var(--success-color-rgb), .25); }
.diagnosis-received h2 { margin: 0 0 .2rem; font-size: 1.25rem; }
.diagnosis-received p { margin: .18rem 0; }
.diagnosis-received-icon { display: grid; place-items: center; flex: 0 0 2rem; width: 2rem; height: 2rem; border-radius: 50%; background: var(--success-color); color: white; font-weight: 700; }
.diagnosis-muted { opacity: .68; font-size: .88rem; }
.diagnosis-login-link { display: inline-block; margin-top: .55rem; font-size: .82rem; }

.diagnosis-reveal { margin-top: 1.25rem; overflow: hidden; }
.diagnosis-answer-banner { padding: clamp(1.25rem, 4vw, 2.2rem); background: linear-gradient(135deg, rgba(var(--primary-color-rgb), .16), rgba(var(--success-color-rgb), .08)); border-bottom: 1px solid var(--border-color); }
.diagnosis-answer-banner > span { font-size: .76rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--primary-color); }
.diagnosis-answer-banner h2 { margin: .4rem 0 0; font-size: clamp(1.7rem, 4vw, 2.4rem); }
.diagnosis-answer-banner p { margin: .7rem 0 0; opacity: .78; }
.diagnosis-breakdown { padding: clamp(1.25rem, 4vw, 2.2rem); }
.diagnosis-breakdown section { position: relative; padding-left: 3rem; margin-bottom: 2rem; }
.diagnosis-breakdown section:last-child { margin-bottom: 0; }
.diagnosis-breakdown h2 { margin: 0 0 .65rem; font-size: 1.25rem; }
.diagnosis-section-number { position: absolute; left: 0; top: .1rem; color: var(--primary-color); font-size: .72rem; font-weight: 700; letter-spacing: .08em; }
.diagnosis-clue { padding-left: 1rem; border-left: 3px solid var(--primary-color); font-weight: 700; }
.diagnosis-teaching-point { padding-top: 1rem; padding-bottom: 1rem; border-radius: 12px; background: rgba(var(--primary-color-rgb), .07); }
.diagnosis-public-stat { margin: 0; padding: 0 2.2rem 1.5rem; opacity: .72; font-size: .88rem; }
.diagnosis-related { display: flex; justify-content: space-between; padding: 1.1rem 2.2rem; border-top: 1px solid var(--border-color); font-weight: 700; }
.diagnosis-footer { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.2rem; font-size: .8rem; opacity: .72; }
.diagnosis-footer p { margin: 0; }

.diagnosis-empty-page { max-width: 760px; text-align: center; }
.diagnosis-empty-page h1 { margin: .3rem 0 1.5rem; }
.diagnosis-empty-card { padding: clamp(1.5rem, 5vw, 3rem); }
.diagnosis-empty-icon { font-size: 2rem; }
.diagnosis-empty-card h2 { margin: .55rem 0; }
.diagnosis-empty-card p { max-width: 520px; margin: 0 auto 1.2rem; opacity: .75; }
.diagnosis-empty-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: .7rem; }
.diagnosis-disclaimer { margin-top: 1.2rem; text-align: center; font-size: .78rem; opacity: .62; }

.diagnosis-filters { display: flex; flex-wrap: wrap; align-items: flex-end; gap: .7rem; margin: 1.5rem 0; padding: 1rem; border: 1px solid var(--border-color); border-radius: 12px; background: var(--card-bg); }
.diagnosis-filters label span { display: block; margin-bottom: .3rem; font-size: .72rem; font-weight: 700; opacity: .7; }
.diagnosis-filters select { min-width: 180px; height: 40px; }
.diagnosis-archive-grid { display: grid; gap: .9rem; }
.diagnosis-archive-card { display: block; padding: 1.25rem; color: var(--text-color); transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.diagnosis-archive-card:hover { color: var(--text-color); border-color: rgba(var(--primary-color-rgb), .48); transform: translateY(-2px); box-shadow: 0 20px 54px var(--hover-shadow); }
.diagnosis-archive-topline { display: flex; justify-content: space-between; color: var(--primary-color); font-size: .73rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.diagnosis-archive-card h2 { margin: .65rem 0 .45rem; font-size: 1.3rem; }
.diagnosis-archive-card p { margin: 0 0 .8rem; opacity: .72; }
.diagnosis-archive-card .diagnosis-meta { margin-bottom: .7rem; }
.diagnosis-card-link { color: var(--primary-color); font-size: .84rem; font-weight: 700; }

@media (max-width: 640px) {
    .diagnosis-heading { align-items: center; }
    .diagnosis-heading h1 { font-size: 2rem; }
    .diagnosis-input-row { flex-direction: column; }
    .diagnosis-submit { width: 100%; }
    .diagnosis-option-actions { align-items: stretch; flex-direction: column-reverse; }
    .diagnosis-option-actions .btn { width: 100%; }
    .diagnosis-breakdown section { padding-left: 2.35rem; }
    .diagnosis-footer { flex-direction: column; }
    .diagnosis-filters { align-items: stretch; }
    .diagnosis-filters label, .diagnosis-filters select { width: 100%; }
}