/*
 * licham-converter.css — Giao diện công cụ đổi lịch âm ↔ dương.
 * Thuộc theme (trình bày). Dữ liệu lấy qua REST /licham/v1/convert.
 * @since 0.4.0 — redesign 0.10.26
 */

/* ── BIẾN ─────────────────────────────────────────────── */
.licham-converter {
    --cv-green:       #15803d;
    --cv-green-dark:  #166534;
    --cv-green-bg:    #f0fdf4;
    --cv-green-light: #86efac;
    --cv-border:      #e5e7eb;
    --cv-muted:       #6b7280;
    --cv-text:        #1f2937;
    --cv-radius:      12px;
    --cv-radius-sm:   8px;
}

/* ── HIDDEN override ───────────────────────────────────── */
.licham-converter [hidden] {
    display: none !important;
}

/* ── WRAPPER FORM ──────────────────────────────────────── */
.licham-converter {
    margin: 1.5rem 0;
}

.licham-converter__form {
    background: #fff;
    border: 1px solid var(--cv-border);
    border-radius: var(--cv-radius);
    padding: 1.5rem;
    box-shadow: 0 1px 4px rgba(0,0,0,.05);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* ── SECTION LABEL ─────────────────────────────────────── */
.licham-converter__section {
    display: flex;
    flex-direction: column;
    gap: .75rem;
}

.licham-converter__section-label {
    font-size: .9rem;
    font-weight: 700;
    color: var(--cv-text);
    margin: 0;
}

/* ── TOGGLE — 2 card chọn chiều ───────────────────────── */
.licham-converter__toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .75rem;
}

.licham-converter__toggle-opt {
    display: flex;
    align-items: center;
    gap: .85rem;
    padding: .9rem 1rem;
    border: 1.5px solid var(--cv-border);
    border-radius: var(--cv-radius-sm);
    cursor: pointer;
    user-select: none;
    background: #fafafa;
    transition: border-color .2s, background .2s;
}

/* ẩn radio gốc */
.licham-converter__toggle-opt input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

/* Chọn → viền màu + bg nhạt */
.licham-converter__toggle-opt--solar:has(input:checked) {
    border-color: #f59e0b;
    background: #fffbeb;
}

.licham-converter__toggle-opt--lunar:has(input:checked) {
    border-color: #818cf8;
    background: #eef2ff;
}

.licham-converter__toggle-img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    flex-shrink: 0;
}

.licham-converter__toggle-text {
    display: flex;
    flex-direction: column;
    gap: .15rem;
}

.licham-converter__toggle-text strong {
    font-size: .95rem;
    font-weight: 700;
    color: var(--cv-text);
}

.licham-converter__toggle-text small {
    font-size: .78rem;
    color: var(--cv-muted);
    line-height: 1.4;
}

/* ── INPUTS — 3 cột ────────────────────────────────────── */
.licham-converter__inputs {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: .75rem;
    align-items: end;
}

.licham-converter__field {
    display: flex;
    flex-direction: column;
    gap: .35rem;
    font-size: .82rem;
    font-weight: 600;
    color: var(--cv-muted);
}

/* Wrapper input/select + icon */
.licham-converter__input-wrap {
    display: flex;
    align-items: center;
    gap: .5rem;
    border: 1px solid var(--cv-border);
    border-radius: var(--cv-radius-sm);
    padding: .55rem .75rem;
    background: #fff;
    transition: border-color .2s;
}

.licham-converter__input-wrap:focus-within {
    border-color: var(--cv-green);
    outline: 2px solid rgba(21,128,61,.15);
    outline-offset: 0;
}

.licham-converter__input-wrap img {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    object-fit: contain;
}

.licham-converter__day,
.licham-converter__month,
.licham-converter__year {
    border: none;
    outline: none;
    background: transparent;
    font-size: .95rem;
    color: var(--cv-text);
    width: 100%;
    min-width: 0;
    appearance: none;
    -webkit-appearance: none;
}

/* ── LEAP CHECKBOX ─────────────────────────────────────── */
.licham-converter__field.licham-converter__leap {
    flex-direction: row;
    align-items: center;
    align-self: flex-end;
    color: inherit;
    font-size: .9rem;
}

/* ── SUBMIT BUTTON ─────────────────────────────────────── */
.licham-converter__submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    width: 100%;
    padding: .85rem 1rem;
    border: 0;
    border-radius: var(--cv-radius-sm);
    background: var(--cv-green);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background .2s, transform .1s;
}

.licham-converter__submit:hover {
    background: var(--cv-green-dark);
}

.licham-converter__submit:active {
    transform: scale(.99);
}

.licham-converter__submit[disabled] {
    opacity: .6;
    cursor: progress;
}

/* ── RESULT ────────────────────────────────────────────── */
.licham-converter__result {
    margin-top: 1.25rem;
    padding: 1rem 1.5rem;
    background: #fff;
    border: 1px solid var(--cv-border);
    border-radius: var(--cv-radius);
    box-shadow: 0 1px 4px rgba(0,0,0,.05);
}

.licham-converter__result-headline {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 .75rem;
    color: var(--cv-green-dark);
}

.licham-converter__grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .35rem 1rem;
    margin: 0 0 1rem;
}

.licham-converter__grid dt {
    color: var(--cv-muted);
    font-size: .88rem;
}

.licham-converter__grid dd {
    margin: 0;
    font-weight: 600;
}

.licham-converter__detail-link {
    display: inline-block;
    color: var(--cv-green);
    font-weight: 600;
    text-decoration: none;
}

.licham-converter__detail-link:hover {
    text-decoration: underline;
}

.licham-converter__error {
    color: #b91c1c;
    font-weight: 600;
}

.licham-converter__fallback {
    color: var(--cv-muted);
    font-style: italic;
}

/* ── INTRO ─────────────────────────────────────────────── */
.licham-converter__intro {
    margin: 0 0 1.5rem;
}

.licham-converter__intro-title {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--cv-green-dark);
    margin: 0 0 .75rem;
}

.licham-converter__intro p {
    margin: 0 0 .75rem;
    line-height: 1.75;
    color: var(--cv-text);
}

.licham-converter__intro p:last-child {
    margin-bottom: 0;
}

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 600px) {
    .licham-converter__toggle {
        grid-template-columns: 1fr;
    }

    .licham-converter__inputs {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 400px) {
    .licham-converter__inputs {
        grid-template-columns: 1fr;
    }
}