.pkds-duoi80 {
    --pkds-duoi80-bg: #fffaf3;
    --pkds-duoi80-card: #ffffff;
    --pkds-duoi80-text: #261b12;
    --pkds-duoi80-muted: #6f6258;
    --pkds-duoi80-border: rgba(111, 74, 34, 0.16);
    --pkds-duoi80-brand: #8a4b18;
    --pkds-duoi80-brand-2: #b87023;
    --pkds-duoi80-radius: 18px;
    color: var(--pkds-duoi80-text);
    margin: 22px auto;
}

.pkds-duoi80 * {
    box-sizing: border-box;
}

.pkds-duoi80__inner {
    background: linear-gradient(180deg, var(--pkds-duoi80-bg), #ffffff 72%);
    border: 1px solid var(--pkds-duoi80-border);
    border-radius: var(--pkds-duoi80-radius);
    padding: clamp(18px, 3vw, 30px);
    box-shadow: 0 12px 32px rgba(65, 38, 15, 0.08);
}

.pkds-duoi80__head {
    margin-bottom: 18px;
}

.pkds-duoi80__eyebrow {
    margin: 0 0 6px;
    color: var(--pkds-duoi80-brand);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.pkds-duoi80 h2 {
    margin: 0 0 8px;
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.18;
    color: var(--pkds-duoi80-text);
}

.pkds-duoi80__head p,
.pkds-duoi80__help,
.pkds-duoi80__note,
.pkds-duoi80__empty,
.pkds-duoi80__notice {
    color: var(--pkds-duoi80-muted);
}

.pkds-duoi80__form {
    background: var(--pkds-duoi80-card);
    border: 1px solid var(--pkds-duoi80-border);
    border-radius: 16px;
    padding: 16px;
    margin: 16px 0;
}

.pkds-duoi80__form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

.pkds-duoi80__search-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
}

.pkds-duoi80__search-row input {
    width: 100%;
    border: 1px solid var(--pkds-duoi80-border);
    border-radius: 12px;
    padding: 13px 14px;
    font-size: 16px;
    background: #fff;
    color: var(--pkds-duoi80-text);
    min-height: 48px;
}

.pkds-duoi80__search-row input:focus {
    outline: 2px solid rgba(184, 112, 35, 0.24);
    border-color: var(--pkds-duoi80-brand-2);
}

.pkds-duoi80__search-row button,
.pkds-duoi80__btn {
    appearance: none;
    border: 1px solid var(--pkds-duoi80-brand);
    border-radius: 12px;
    background: var(--pkds-duoi80-brand);
    color: #fff;
    padding: 12px 18px;
    min-height: 48px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1.2;
}

.pkds-duoi80__btn {
    background: #fff;
    color: var(--pkds-duoi80-brand);
}

.pkds-duoi80__btn--primary {
    background: var(--pkds-duoi80-brand);
    color: #fff;
}

.pkds-duoi80__help {
    margin: 10px 0 0;
    font-size: 14px;
}

.pkds-duoi80__notice,
.pkds-duoi80__empty {
    background: #fff;
    border: 1px dashed var(--pkds-duoi80-border);
    border-radius: 14px;
    padding: 14px 16px;
    margin-top: 14px;
}

.pkds-duoi80__empty code,
.pkds-duoi80__meta code {
    background: rgba(138, 75, 24, 0.08);
    border-radius: 8px;
    padding: 2px 7px;
}

.pkds-duoi80__result {
    background: var(--pkds-duoi80-card);
    border: 1px solid var(--pkds-duoi80-border);
    border-radius: 18px;
    padding: 16px;
    margin-top: 16px;
}

.pkds-duoi80__summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.pkds-duoi80__summary > div,
.pkds-duoi80__reading,
.pkds-duoi80__meta {
    background: #fffaf3;
    border: 1px solid var(--pkds-duoi80-border);
    border-radius: 14px;
    padding: 14px;
}

.pkds-duoi80__label {
    display: block;
    color: var(--pkds-duoi80-muted);
    font-size: 13px;
    margin-bottom: 5px;
}

.pkds-duoi80__summary strong {
    font-size: 24px;
    line-height: 1.15;
}

.pkds-duoi80__rating {
    color: var(--pkds-duoi80-brand);
}

.pkds-duoi80__result--dai-cat .pkds-duoi80__rating,
.pkds-duoi80__result--cat .pkds-duoi80__rating {
    color: #0f7a3a;
}

.pkds-duoi80__result--hung .pkds-duoi80__rating,
.pkds-duoi80__result--dai-hung .pkds-duoi80__rating {
    color: #b42318;
}

.pkds-duoi80__reading p {
    margin: 0;
    font-size: 18px;
    line-height: 1.55;
    font-weight: 700;
}

.pkds-duoi80__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin-top: 10px;
    font-size: 14px;
}

.pkds-duoi80__meta span {
    color: var(--pkds-duoi80-muted);
}

.pkds-duoi80__note {
    margin: 12px 0 0;
    font-size: 14px;
    line-height: 1.55;
}

.pkds-duoi80__note--academic {
    padding-top: 10px;
    border-top: 1px solid var(--pkds-duoi80-border);
}

.pkds-duoi80__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

@media (max-width: 720px) {
    .pkds-duoi80__search-row,
    .pkds-duoi80__summary {
        grid-template-columns: 1fr;
    }

    .pkds-duoi80__search-row button,
    .pkds-duoi80__btn {
        width: 100%;
    }

    .pkds-duoi80__inner,
    .pkds-duoi80__form,
    .pkds-duoi80__result {
        border-radius: 14px;
    }
}