/* ==================================================
   MofuChat v0.1
   Front-end Chat UI
   ================================================== */

.mofuchat {
    width: 100%;
    max-width: 720px;
    margin: 30px auto;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        "Hiragino Kaku Gothic ProN",
        "Hiragino Sans",
        "Yu Gothic",
        sans-serif;
}


/* ---------- タイトル ---------- */

.mofuchat h3 {
    margin: 0;
    padding: 20px 24px 4px;
    font-size: 22px;
    font-weight: 700;
    color: #222222;
}


/* ---------- 最初のメッセージ ---------- */

.mofuchat > p {
    margin: 0;
    padding: 4px 24px 20px;
    color: #666666;
    font-size: 14px;
}


/* ---------- 入力エリア ---------- */

.mofuchat textarea {
    display: block;
    width: calc(100% - 48px);
    min-height: 100px;
    margin: 0 24px 14px;
    padding: 14px 16px;

    border: 1px solid #d1d5db;
    border-radius: 10px;

    background: #f9fafb;
    color: #222222;

    font-size: 16px;
    line-height: 1.6;

    resize: vertical;
    box-sizing: border-box;

    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}


.mofuchat textarea:focus {
    outline: none;
    border-color: #555555;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06);
}


.mofuchat textarea::placeholder {
    color: #aaaaaa;
}


/* ---------- 送信ボタン ---------- */

.mofuchat button {
    display: block;
    width: calc(100% - 48px);
    margin: 0 24px 24px;
    padding: 13px 20px;

    border: 0;
    border-radius: 10px;

    background: #222222;
    color: #ffffff;

    font-size: 16px;
    font-weight: 600;

    cursor: pointer;

    transition:
        opacity 0.2s ease,
        transform 0.1s ease;
}


.mofuchat button:hover {
    opacity: 0.85;
}


.mofuchat button:active {
    transform: translateY(1px);
}


/* ---------- スマートフォン ---------- */

@media (max-width: 600px) {

    .mofuchat {
        margin: 20px auto;
        border-radius: 12px;
    }

    .mofuchat h3 {
        padding-left: 18px;
        padding-right: 18px;
    }

    .mofuchat > p {
        padding-left: 18px;
        padding-right: 18px;
    }

    .mofuchat textarea {
        width: calc(100% - 36px);
        margin-left: 18px;
        margin-right: 18px;
    }

    .mofuchat button {
        width: calc(100% - 36px);
        margin-left: 18px;
        margin-right: 18px;
    }
}

/* ==================================================
   Chat messages
   ================================================== */

.mofuchat__header {
    padding: 18px 24px;
    border-bottom: 1px solid #e5e7eb;
    font-size: 20px;
}

.mofuchat__messages {
    display: flex;
    flex-direction: column;
    gap: 12px;

    min-height: 220px;
    max-height: 420px;
    overflow-y: auto;

    padding: 24px;
    background: #f8f9fa;
}

.mofuchat__message {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 16px;

    line-height: 1.6;
    font-size: 15px;

    word-break: break-word;
}

/* AI */

.mofuchat__message--ai {
    align-self: flex-start;

    background: #ffffff;
    color: #222222;

    border: 1px solid #e5e7eb;
    border-bottom-left-radius: 4px;
}

/* ユーザー */

.mofuchat__message--user {
    align-self: flex-end;

    background: #222222;
    color: #ffffff;

    border-bottom-right-radius: 4px;
}

/* 入力部分 */

.mofuchat__input-area {
    padding: 18px 24px 24px;
    background: #ffffff;
}

.mofuchat .mofuchat__input {
    width: 100%;
    min-height: 80px;

    margin: 0 0 12px;
}

.mofuchat .mofuchat__send {
    width: 100%;
    margin: 0;
}
/* v0.6.0 configurable colors */
.mofuchat{background:var(--mofu-bg,#fff)}
.mofuchat .mofuchat__header{background:var(--mofu-accent,#2563eb)}
.mofuchat .mofuchat__send{background:var(--mofu-accent,#2563eb)}

/* v0.6.3: readable header label, even on dark accent backgrounds */
.mofuchat .mofuchat__header, .mofuchat .mofuchat__header strong { color: var(--mofu-header-text,#ffffff); }

.mofuchat__contact{padding:12px 16px;border-top:1px solid #ddd;font-size:14px}
.mofuchat__contact summary{cursor:pointer;font-weight:600}
.mofuchat__contact label{display:block}
.mofuchat__contact input[type=text],.mofuchat__contact input[type=email],.mofuchat__contact textarea{display:block;width:100%;box-sizing:border-box;margin-top:5px;padding:8px;border:1px solid #bbb;border-radius:4px}
.mofuchat__contact input[type=checkbox]{margin-right:6px}
.mofuchat__contact-status{min-height:1.3em}

/* v0.6.9: clear contact entry point */
.mofuchat form.mofuchat__contact {display:block !important;visibility:visible !important;position:static !important;height:auto !important;padding:0 24px 24px;border-top:0;}
.mofuchat .mofuchat__contact-details {display:block !important;visibility:visible !important;border-top:1px solid #e5e7eb;padding-top:16px;}
.mofuchat .mofuchat__contact-trigger {display:block !important;visibility:visible !important;padding:13px 16px;text-align:center;background:#f0f9ff;color:#075985;border:1px solid #0284c7;border-radius:9px;cursor:pointer;font-weight:700;list-style-position:inside;}
.mofuchat .mofuchat__contact-trigger:hover,.mofuchat .mofuchat__contact-trigger:focus-visible {background:#dff3ff;}
.mofuchat .mofuchat__contact-fields {padding-top:12px;}
.mofuchat .mofuchat__contact-fields p {margin:12px 0;}
.mofuchat .mofuchat__contact-fields input,.mofuchat .mofuchat__contact-fields textarea {font-size:16px;}