:root {
  --border: 0.5px solid black;
}
body {
    font-family: 'Volkhov', 'Chiron Hei HK', serif, -apple-system, "Noto Sans TC", sans-serif;
    margin: 0;
    background: #F2F2F2;
    color: #171717;
    font-size: 1.2em;
    text-autospace:normal;
}
/* flexbox word-card */
.word-list-flex {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin: 24px 0;
}

.word-card {
    width: calc(50% - 9px);
    box-sizing: border-box;
    background: #FCFCFC;
    border: 0.5px solid #304f17;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
}

.wordCardContext {
    width: calc(100% - 36px);
    padding: 12px 18px 6px 18px;
}

.word-card:hover {
    box-shadow: 0 5px 12px rgba(25, 25, 25, 0.154);
}


.word-card-main {
    flex: 1;
}

.word-headword {
    font-size: 1.3em;
    color: #304f17;
    margin: 0 0 12px 0;
    font-family: 'Volkhov', 'Chiron Hei HK', serif;
}

.word-zh {
    font-size: 14px;
    line-height: 1.6em;
    color: #555;
    margin-bottom: 0px;
    min-height: 52px;
}

.word-card-actions {
    display: flex;
    align-items: center;
    gap: 0px;
    margin-top: 2px;
}

.container {
    padding: 20px;
    max-width: 720px;
    margin: 0 auto;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
    border-bottom: 0.5px solid #222;
    width: 100%;
}

a {
    color: #5a9003;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.error {
    background: #ffffff00;
    padding: 8px;
    color: #941717;
    margin-bottom: 10px;
    font-size: 14px;
}

.quiz-box {
    width: 70%;
    max-width: 720px;
}

label {
    display: block;
    margin: 10px 0;
}

input,
textarea,
select,
button {
    padding: 6px 12px;
    background: #304f1700;
    color: #000000;
    border: 1px solid #33333300;
    border-radius: 6px;
}

button {
    cursor: pointer;
    font-family: 'Volkhov', 'Chiron Hei HK';
    font-size: 0.8em;
}

.filters {
    display: flex;
    gap: 10px;
    align-items: end;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.filters form {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: end;
}

.list {
    width: 100%;
    border-collapse: collapse;
}

.list th,
.list td {
    border-bottom: 1px solid #222;
    padding: 8px;
    vertical-align: top;
}

.modal.hidden {
    display: none;
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-card {
    background: #ffffff00;
    border: none;
    padding: 0px;
    border-radius: 12px;
    width: min(520px, 92vw);
}

.actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.brand {
    font-weight: 700;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Volkhov', 'Chiron Hei HK', serif;
    font-weight: 700;
}
.icon-sock {
    vertical-align: -2px;
}

.icon-muted {
    filter: grayscale(100%) opacity(.60);
}


dialog:not([open]) {
    display: none;
}

.modal::backdrop {
    background: rgba(0, 0, 0, .35);
}

#modal {
    position: fixed;
    top: 20px;
    padding-top: 30px;
    height: calc(80vh);
    border-radius: 24px;
    width: 100%;
    max-width: 720px;
    box-sizing: border-box;
}

.filters {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

#initial-chips {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.chip {
    appearance: none;
    border: 1px solid var(--border, #e5e7eb);
    background: color-mix(in oklab, canvas 94%, #000 6%);
    color: var(--text, #1f2937);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .2px;
    cursor: pointer;
    transition: background .15s ease, border-color .15s ease, color .15s ease, transform .06s ease;
}

.chip:hover {
    transform: translateY(-1px);
}

.chip:active {
    transform: translateY(0);
}

.chip:focus-visible {
    outline: none;
    border-color: var(--ring, #3b82f6);
    box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring, #3b82f6) 28%, transparent);
}

.chip.is-active {
    background: #067f34;
    color: #fff;
    border-color: #067f34;
}

#loaded-count,
#total-count {
    font-variant-numeric: tabular-nums;
    font-weight: 700;
}


@media (max-width: 768px) {
    body {
        font-size: 0.9em;
    }

    .word-list-flex {
        gap: 8px;
    }

    .word-card {
        width: 100%;
    }

    .word-card-actions {
        gap: 0px;
        margin-top: 0px;
    }

    .wordCardContext {
        padding: 12px 16px;
    }

    .quiz-box {
        width: 100%;
    }

    .filters-toggle {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 12px;
        border: 1px solid var(--border, #ddd);
        border-radius: 10px;
        background: #fff;
        cursor: pointer;
    }
    .filters[data-collapsed="1"]>*:not(.filters-toggle) {
        display: none !important;
    }

}


@media (min-width: 769px) {
    .filters-toggle {
        display: none !important;
    }
}