/* 社内ナレッジ検索 */
#iwai-knowledge-search {
    max-width: 600px;
    margin: 20px auto;
    font-family: inherit;
}

.knowledge-chat-window {
    border: 2px solid #1565c0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    background: #fff;
}

/* ヘッダー（青ベース=社内専用の差別化） */
.knowledge-chat-header {
    background: #1565c0;
    color: #fff;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.knowledge-header-icon {
    width: 40px !important;
    max-width: 40px !important;
    height: auto !important;
    border-radius: 50%;
    background: #fff;
    padding: 3px;
}

.knowledge-header-title {
    display: block;
    font-size: 16px;
    font-weight: bold;
}

.knowledge-header-sub {
    display: block;
    font-size: 12px;
    opacity: 0.9;
}

.knowledge-badge {
    margin-left: auto;
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.5);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    white-space: nowrap;
}

/* チャット本文 */
.knowledge-chat-body {
    height: 400px;
    overflow-y: auto;
    padding: 16px;
    background: #f0f4f8;
}

/* メッセージ */
.knowledge-msg {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 14px;
}

.knowledge-msg-user {
    flex-direction: row-reverse;
}

.knowledge-msg-icon {
    width: 36px !important;
    max-width: 36px !important;
    height: auto !important;
    flex-shrink: 0;
    margin-top: 2px;
}

.knowledge-msg-bubble {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.7;
    word-break: break-word;
}

.knowledge-msg-bot .knowledge-msg-bubble {
    background: #fff;
    color: #333;
    border: 1px solid #d0d7de;
    border-radius: 16px 16px 16px 4px;
}

.knowledge-msg-user .knowledge-msg-bubble {
    background: #1565c0;
    color: #fff;
    border-radius: 16px 16px 4px 16px;
}

.knowledge-msg-bubble a {
    color: #0073aa;
    text-decoration: underline;
}

.knowledge-msg-user .knowledge-msg-bubble a {
    color: #90caf9;
}

/* タイピングアニメーション */
.knowledge-typing {
    display: flex;
    gap: 4px;
    padding: 4px 0;
}

.knowledge-typing span {
    width: 8px;
    height: 8px;
    background: #999;
    border-radius: 50%;
    animation: knowledge-bounce 1.2s infinite;
}

.knowledge-typing span:nth-child(2) { animation-delay: 0.2s; }
.knowledge-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes knowledge-bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-6px); }
}

/* 入力エリア */
.knowledge-chat-input-area {
    display: flex;
    padding: 12px;
    gap: 8px;
    border-top: 1px solid #d0d7de;
    background: #fff;
}

#knowledge-chat-input {
    flex: 1;
    padding: 10px 14px;
    font-size: 15px;
    border: 1px solid #ddd;
    border-radius: 20px;
    outline: none;
}

#knowledge-chat-input:focus {
    border-color: #1565c0;
}

#knowledge-chat-send {
    padding: 10px 20px;
    font-size: 14px;
    background: #1565c0;
    color: #fff;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    white-space: nowrap;
}

#knowledge-chat-send:hover { background: #0d47a1; }
#knowledge-chat-send:disabled { background: #999; cursor: not-allowed; }

/* レスポンシブ */
@media (max-width: 520px) {
    #iwai-knowledge-search {
        margin: 10px;
    }
    .knowledge-chat-body {
        height: 300px;
    }
}

/* ========================================
   認証画面
   ======================================== */

#knowledge-auth-screen {
    padding: 40px 24px;
    background: #f0f4f8;
    text-align: center;
}

.knowledge-auth-inner {
    max-width: 340px;
    margin: 0 auto;
}

.knowledge-auth-icon {
    width: 80px !important;
    max-width: 80px !important;
    height: auto !important;
    margin-bottom: 16px;
}

.knowledge-auth-inner h3 {
    font-size: 20px;
    color: #1565c0;
    margin: 0 0 8px 0;
}

.knowledge-auth-inner p {
    font-size: 14px;
    color: #555;
    margin: 0 0 20px 0;
    line-height: 1.6;
}

#knowledge-auth-email,
#knowledge-auth-code {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    border: 2px solid #ddd;
    border-radius: 8px;
    outline: none;
    box-sizing: border-box;
    margin-bottom: 12px;
    text-align: center;
}

#knowledge-auth-email:focus,
#knowledge-auth-code:focus {
    border-color: #1565c0;
}

#knowledge-auth-code {
    font-size: 24px;
    letter-spacing: 8px;
    font-weight: bold;
}

#knowledge-auth-send,
#knowledge-auth-verify {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    font-weight: bold;
    background: #1565c0;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 8px;
}

#knowledge-auth-send:hover,
#knowledge-auth-verify:hover {
    background: #0d47a1;
}

#knowledge-auth-send:disabled,
#knowledge-auth-verify:disabled {
    background: #999;
    cursor: not-allowed;
}

.knowledge-link-btn {
    background: none !important;
    border: none !important;
    color: #1565c0 !important;
    font-size: 13px !important;
    cursor: pointer;
    text-decoration: underline;
    padding: 4px !important;
}

.knowledge-auth-sent {
    font-size: 13px;
    color: #2e7d32;
    background: #e8f5e9;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.knowledge-auth-error {
    font-size: 13px;
    color: #c62828;
    background: #fef0f0;
    padding: 10px;
    border-radius: 8px;
    margin-top: 12px;
}

/* チャットフッター */
.knowledge-chat-footer {
    padding: 8px 12px;
    border-top: 1px solid #d0d7de;
    background: #f8f9fa;
    text-align: right;
}

#knowledge-logout-btn {
    background: none;
    border: none;
    color: #999;
    font-size: 12px;
    cursor: pointer;
    text-decoration: underline;
}

#knowledge-logout-btn:hover {
    color: #c62828;
}