.amduong-tool {
    color-scheme: light;
    --bg: #fff8df;
    --paper: #fffaf0;
    --paper-strong: #ffffff;
    --ink: #2f2206;
    --muted: #836820;
    --brand: #f6c13a;
    --brand-dark: #b67905;
    --brand-soft: #fff4bf;
    --gold: #d79a05;
    --gold-soft: #fff0a6;
    --button-text: #b83224;
    --button-bg: #fff9df;
    --button-bg-strong: #ffeaa3;
    --button-border: rgba(214, 152, 5, 0.28);
    --button-shadow: rgba(183, 121, 5, 0.14);
    --green: #238c52;
    --red: #c0392b;
    --line: #efd68a;
    --shadow: none;
    --shadow-soft: none;
    --radius: 24px;
    --font-sans: "Mulish", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --font-serif: "Mulish", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: -0.01em;
    background: transparent;
}

.amduong-tool,
.amduong-tool * {
    box-sizing: border-box;
}

.amduong-tool a {
    color: inherit;
    text-decoration: none;
}

.amduong-tool .eyebrow {
    margin: 0 0 10px;
    color: var(--gold);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.amduong-tool h1,
.amduong-tool h2,
.amduong-tool h3,
.amduong-tool h4,
.amduong-tool p {
    margin-top: 0;
}

.amduong-tool .container {
    width: 100%;
    margin: 0;
}

.amduong-tool .panel,
.amduong-tool .day-card {
    border: 1px solid rgba(190, 142, 19, 0.24);
    border-radius: var(--radius);
    background: transparent;
    box-shadow: var(--shadow);
    backdrop-filter: none;
}

.amduong-tool .search-panel {
    position: relative;
    z-index: 3;
    padding: 18px;
}

.amduong-tool .search-panel__head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 12px;
}

.amduong-tool .search-panel__head h2 {
    margin-bottom: 0;
    font-family: var(--font-serif);
    font-size: clamp(1.35rem, 2vw, 1.9rem);
    font-weight: 700;
    line-height: 1.2;
    color: #e5a705;
}

.amduong-tool .search-form {
    display: grid;
    width: 100%;
    grid-template-columns: minmax(260px, 2fr) repeat(3, minmax(150px, 1fr));
    gap: 14px;
    align-items: end;
}

.amduong-tool .search-form label,
.amduong-tool .search-form button {
    min-width: 0;
}

.amduong-tool label {
    display: grid;
    gap: 7px;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    margin: 0;
}

.amduong-tool select,
.amduong-tool input,
.amduong-tool button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 48px;
    min-height: 48px;
    border: 1px solid var(--line);
    border-radius: 15px;
    font: inherit;
    line-height: 1.2;
    vertical-align: middle;
}

.amduong-tool select {
    appearance: auto;
}

.amduong-tool select,
.amduong-tool input {
    padding: 0 14px;
    color: var(--ink);
    background: #fffdf8;
    outline: none;
    font-size: 0.98rem;
    font-weight: 500;
}

.amduong-tool input[type="number"] {
    color: var(--button-text);
    font-weight: 800;
    text-align: center;
}

.amduong-tool input[type="number"]::-webkit-outer-spin-button,
.amduong-tool input[type="number"]::-webkit-inner-spin-button {
    margin: 0;
    opacity: 0.45;
}

.amduong-tool select:focus,
.amduong-tool input:focus {
    border-color: rgba(214, 152, 5, 0.72);
    box-shadow: 0 0 0 4px rgba(246, 193, 58, 0.22);
}

.amduong-tool button {
    border: 1px solid var(--button-border);
    padding: 0 26px;
    color: var(--button-text);
    background: linear-gradient(135deg, var(--button-bg), var(--button-bg-strong));
    cursor: pointer;
    font-size: 0.96rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    white-space: nowrap;
    box-shadow: 0 12px 26px var(--button-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.amduong-tool button:focus-visible,
.amduong-tool select:focus-visible,
.amduong-tool input:focus-visible,
.amduong-tool a:focus-visible {
    outline: 3px solid rgba(246, 193, 58, 0.55);
    outline-offset: 3px;
}

.amduong-tool button:hover {
    transform: translateY(-2px);
    border-color: rgba(184, 50, 36, 0.28);
    box-shadow: 0 16px 30px rgba(183, 121, 5, 0.18);
}

.amduong-tool .search-form select,
.amduong-tool .search-form input,
.amduong-tool .search-form button {
    box-sizing: border-box;
    height: 48px !important;
    min-height: 48px !important;
    max-height: 48px !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    line-height: 48px;
    border-radius: 99px;
    margin-bottom: 0;
    background: #fff9df;
    box-shadow: none;
    border-color: #fcd402;
    color: #b11f2b;
}

.amduong-tool .search-form button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    border-radius: 99px;
}

.amduong-tool .category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 8px;
    margin: 16px 0;
}

.amduong-tool .category-form {
    margin: 0;
}

.amduong-tool .category-card {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    min-height: 48px;
    padding: 9px 12px;
    border: 1px solid rgba(239, 214, 138, 0.95);
    border-radius: 14px;
    background: var(--button-bg);
    color: var(--button-text);
    font-size: 0.9rem;
    font-weight: 800;
    line-height: 1.35;
    text-align: left;
    box-shadow: none;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.amduong-tool .category-card:hover,
.amduong-tool .category-card.is-active {
    transform: translateY(-2px);
    border-color: rgba(184, 50, 36, 0.28);
    background: var(--button-bg-strong);
    color: var(--button-text);
}

.amduong-tool .month-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin: 0;
    padding: 10px 14px;
    border-radius: 16px;
    background: transparent;
    color: var(--brand-dark);
    font-size: 0.96rem;
    font-weight: 800;
}

.amduong-tool .results-shell {
    display: grid;
    gap: 14px;
    margin: 14px 0 24px;
}

.amduong-tool .ajax-results {
    transition: opacity 0.18s ease;
}

.amduong-tool .ajax-results.is-loading {
    opacity: 0.58;
    pointer-events: none;
}

.amduong-tool .month-nav form {
    margin: 0;
}

.amduong-tool .month-button {
    width: auto;
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid rgba(214, 152, 5, 0.22);
    border-radius: 999px;
    background: var(--button-bg);
    color: var(--button-text);
    box-shadow: none;
    font-size: 0.95rem;
}

.amduong-tool .month-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px var(--button-shadow);
}

.amduong-tool .summary {
    padding: 22px;
}

.amduong-tool .summary__top {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
}

.amduong-tool .summary h2 {
    margin-bottom: 8px;
    font-family: var(--font-serif);
    font-size: clamp(1.45rem, 2.5vw, 2.1rem);
    font-weight: 700;
    line-height: 1.22;
    color: #e3a705;
}

.amduong-tool .summary p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 0.98rem;
}

.amduong-tool .best-days {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.amduong-tool .best-days a {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 14px;
    border: 1px solid var(--button-border);
    background: linear-gradient(145deg, var(--button-bg), var(--button-bg-strong));
    color: var(--button-text);
    font-size: 1rem;
    font-weight: 800;
    box-shadow: 0 10px 22px rgba(183, 121, 5, 0.18);
}

.amduong-tool .empty-state {
    margin: 24px 0;
    padding: 30px;
    text-align: center;
}

.amduong-tool .empty-state h2 {
    margin-bottom: 8px;
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 2.4vw, 1.9rem);
    font-weight: 700;
}

.amduong-tool .empty-state p {
    margin-bottom: 0;
    color: var(--muted);
}

.amduong-tool .details {
    display: grid;
    gap: 14px;
}

.amduong-tool .day-card {
    scroll-margin-top: 16px;
    padding: 20px;
}

.amduong-tool .day-card__head {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.amduong-tool .date-badge {
    display: grid;
    place-items: center;
    flex: 0 0 104px;
    min-height: 124px;
    padding: 12px 10px;
    border-radius: 16px;
    color: #fff4c9;
    background: linear-gradient(150deg, var(--brand), var(--brand-dark));
    box-shadow: 0 16px 30px rgba(183, 121, 5, 0.22);
}

.amduong-tool .date-badge span {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1;
}

.amduong-tool .date-badge small {
    font-weight: 800;
    font-size: 0.82rem;
}

.amduong-tool .day-info {
    flex: 1;
    display: grid;
    gap: 12px;
}

.amduong-tool .day-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.amduong-tool .day-tags span {
    padding: 7px 10px;
    border-radius: 999px;
    background: var(--brand-soft);
    color: var(--brand-dark);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.amduong-tool .info-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 14px;
}

.amduong-tool .info-grid p {
    margin-bottom: 0;
    display: grid;
    gap: 4px;
    padding: 12px 14px;
    border: 1px solid rgba(239, 214, 138, 0.95);
    border-radius: 14px;
    background: transparent;
    color: #5d4810;
    font-size: 0.95rem;
    line-height: 1.5;
}

.amduong-tool .info-grid strong {
    color: var(--brand-dark);
    font-size: 0.76rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.amduong-tool .info-grid b {
    color: #2f2206;
    font-size: 1rem;
    font-weight: 700;
}

.amduong-tool .info-grid__full {
    grid-column: 1 / -1;
}

.amduong-tool .day-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 2px;
}

.amduong-tool .detail-toggle {
    border: 1px solid var(--button-border);
    border-radius: 999px;
    padding: 10px 16px;
    color: var(--button-text);
    background: linear-gradient(135deg, var(--button-bg), var(--button-bg-strong));
    box-shadow: 0 12px 24px var(--button-shadow);
    font-family: var(--font-sans);
    font-size: 0.92rem;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

.amduong-tool .detail-toggle:hover {
    transform: translateY(-1px);
    border-color: rgba(184, 50, 36, 0.28);
    box-shadow: 0 16px 28px rgba(183, 121, 5, 0.18);
}

.amduong-tool .detail-toggle:disabled {
    cursor: wait;
    opacity: 0.72;
}

.amduong-tool .reference-detail {
    margin-top: 8px;
    max-width: 100%;
    border: 1px solid rgba(239, 214, 138, 0.95);
    border-radius: 18px;
    background: transparent;
    overflow: hidden;
}

.amduong-tool .reference-detail__inner {
    display: grid;
    gap: 14px;
    padding: 16px;
}

.amduong-tool .reference-detail h4,
.amduong-tool .reference-section h5 {
    margin: 0;
    color: var(--brand-dark);
    font-family: var(--font-sans);
    font-weight: 800;
    line-height: 1.35;
}

.amduong-tool .reference-detail h4 {
    font-size: 1.08rem;
}

.amduong-tool .reference-section h5 {
    font-size: 0.98rem;
}

.amduong-tool .reference-detail__notes,
.amduong-tool .reference-section {
    display: grid;
    gap: 8px;
}

.amduong-tool .reference-detail__notes p,
.amduong-tool .reference-section__text {
    margin: 0;
    color: #5a4210;
    font-size: 0.94rem;
    line-height: 1.58;
}

.amduong-tool .reference-table {
    display: grid;
    gap: 1px;
    width: 100%;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
}

.amduong-tool .reference-table::-webkit-scrollbar {
    height: 6px;
}

.amduong-tool .reference-table::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: rgba(214, 152, 5, 0.34);
}

.amduong-tool .reference-row {
    display: grid;
    grid-template-columns: repeat(var(--columns, 1), minmax(0, 1fr));
    min-width: min(560px, max-content);
    overflow: hidden;
    border: 1px solid rgba(239, 214, 138, 0.9);
    border-radius: 0px;
    background: transparent;
}

.amduong-tool .reference-row--1 {
    --columns: 1;
}

.amduong-tool .reference-row--2 {
    --columns: 2;
}

.amduong-tool .reference-row--3 {
    --columns: 3;
}

.amduong-tool .reference-row--4 {
    --columns: 4;
}

.amduong-tool .reference-row--single .reference-cell,
.amduong-tool .reference-row:first-child .reference-cell {
    color: var(--brand-dark);
    background: var(--brand-soft);
    font-weight: 800;
}

.amduong-tool .reference-cell {
    min-width: 0;
    padding: 9px 10px;
    color: #47340d;
    font-size: 0.9rem;
    line-height: 1.52;
    word-break: break-word;
    overflow-wrap: anywhere;
}

.amduong-tool .reference-cell + .reference-cell {
    border-left: 1px solid rgba(239, 214, 138, 0.9);
}

.amduong-tool .detail-loading,
.amduong-tool .detail-error {
    padding: 14px 16px;
    color: var(--muted);
    font-size: 0.94rem;
}

.amduong-tool .detail-error {
    color: var(--red);
}

@media (max-width: 860px) {
    .amduong-tool .search-form {
        grid-template-columns: 1fr 1fr;
    }

    .amduong-tool .summary__top {
        align-items: flex-start;
    }

    .amduong-tool .info-grid {
        grid-template-columns: 1fr;
    }

    .amduong-tool .search-form label:first-child,
    .amduong-tool .search-form button {
        grid-column: 1 / -1;
    }

    .amduong-tool .day-card__head {
        display: grid;
        grid-template-columns: 86px minmax(0, 1fr);
        gap: 12px;
        align-items: start;
    }

    .amduong-tool .date-badge {
        grid-column: 1;
        flex-basis: 86px;
        min-height: 104px;
        padding: 10px 8px;
        border-radius: 14px;
    }

    .amduong-tool .date-badge span {
        font-size: 1.85rem;
    }

    .amduong-tool .day-info {
        display: contents;
    }

    .amduong-tool .day-tags {
        grid-column: 2;
        align-self: start;
    }

    .amduong-tool .info-grid,
    .amduong-tool .day-actions,
    .amduong-tool .reference-detail {
        grid-column: 1 / -1;
    }

    .amduong-tool .day-actions {
        justify-content: flex-start;
    }

    .amduong-tool .search-panel__head {
        flex-direction: column;
    }

}

@media (max-width: 560px) {
    .amduong-tool .container {
        width: 100%;
    }

    .amduong-tool .search-form {
        grid-template-columns: 1fr;
    }

    .amduong-tool .month-nav {
        flex-direction: row;
        gap: 8px;
        padding: 8px;
        text-align: center;
    }

    .amduong-tool .month-nav strong {
        flex: 1;
        font-size: 0.86rem;
        line-height: 1.25;
    }

    .amduong-tool .month-button {
        min-height: 36px;
        padding: 0 10px;
        font-size: 0.74rem;
        white-space: nowrap;
    }

    .amduong-tool .day-tags {
        justify-content: flex-start;
    }

    .amduong-tool .summary__top {
        flex-direction: column;
    }

    .amduong-tool .month-nav form,
    .amduong-tool .month-button {
        width: auto;
    }

    .amduong-tool .day-card,
    .amduong-tool .summary,
    .amduong-tool .search-panel,
    .amduong-tool .empty-state {
        padding: 16px;
    }

    .amduong-tool .day-card__head {
        grid-template-columns: 74px minmax(0, 1fr);
        gap: 10px;
    }

    .amduong-tool .date-badge {
        flex-basis: 74px;
        min-height: 94px;
    }

    .amduong-tool .date-badge span {
        font-size: 1.65rem;
    }

    .amduong-tool .date-badge small {
        font-size: 0.72rem;
    }

    .amduong-tool .day-tags span {
        padding: 6px 8px;
        font-size: 0.72rem;
    }

    .amduong-tool .info-grid p {
        padding: 10px 11px;
    }

    .amduong-tool .detail-toggle {
        padding: 9px 12px;
        font-size: 0.74rem;
    }

    .amduong-tool .reference-detail__inner {
        padding: 12px;
    }

    .amduong-tool .reference-table {
        min-width: 0;
    }

    .amduong-tool .reference-row {
        grid-template-columns: repeat(var(--columns, 1), minmax(140px, 1fr));
        min-width: 520px;
    }

    .amduong-tool .reference-cell + .reference-cell {
        border-left: 1px solid rgba(239, 214, 138, 0.9);
        border-top: 0;
    }
    section.month-nav form:last-child button {
        margin-right: 0;
    }
}