/* =====================================================
   D1J クラウド比較チャットボット - スタイルシート
   ===================================================== */

:root {
    --d1j-primary: #0057b8;
    --d1j-primary-dark: #003d82;
    --d1j-primary-light: #e8f0fb;
    --d1j-accent: #00a8e8;
    --d1j-text: #1a1a2e;
    --d1j-text-muted: #6b7280;
    --d1j-bg: #ffffff;
    --d1j-bg-bot: #f0f4ff;
    --d1j-border: #e2e8f0;
    --d1j-shadow: 0 8px 32px rgba(0, 87, 184, 0.18);
    --d1j-radius: 16px;
    --d1j-radius-sm: 8px;
}

/* =====================================================
   トグルボタン（右下固定）
   ===================================================== */
#d1j-chat-widget {
    position: fixed;
    bottom: 90px;
    right: 28px;
    z-index: 99999;
    font-family: 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
}

#d1j-chat-toggle {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--d1j-primary), var(--d1j-accent));
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 87, 184, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    z-index: 1;
}

#d1j-chat-toggle:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 28px rgba(0, 87, 184, 0.5);
}

#d1j-chat-toggle:active {
    transform: scale(0.96);
}

/* =====================================================
   チャットパネル
   ===================================================== */
#d1j-chat-panel {
    position: absolute;
    bottom: 72px;
    right: 0;
    width: 360px;
    max-height: 560px;
    background: var(--d1j-bg);
    border-radius: var(--d1j-radius);
    box-shadow: var(--d1j-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--d1j-border);

    /* 初期非表示 */
    opacity: 0;
    transform: translateY(12px) scale(0.97);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

#d1j-chat-panel.d1j-open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

/* =====================================================
   ヘッダー
   ===================================================== */
#d1j-chat-header {
    background: linear-gradient(135deg, var(--d1j-primary), var(--d1j-accent));
    color: #fff;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.d1j-header-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.d1j-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.05em;
    border: 2px solid rgba(255,255,255,0.4);
}

.d1j-header-title {
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.02em;
}

.d1j-header-sub {
    font-size: 11px;
    opacity: 0.8;
    margin-top: 1px;
}

#d1j-chat-reset {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 6px;
    color: #fff;
    cursor: pointer;
    padding: 5px 7px;
    display: flex;
    align-items: center;
    transition: background 0.15s;
}

#d1j-chat-reset:hover {
    background: rgba(255,255,255,0.28);
}

/* =====================================================
   メッセージエリア
   ===================================================== */
#d1j-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    scroll-behavior: smooth;
}

#d1j-chat-messages::-webkit-scrollbar {
    width: 4px;
}
#d1j-chat-messages::-webkit-scrollbar-track {
    background: transparent;
}
#d1j-chat-messages::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.d1j-message {
    display: flex;
    flex-direction: column;
    max-width: 85%;
    animation: d1jFadeIn 0.2s ease;
}

@keyframes d1jFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.d1j-message.d1j-user {
    align-self: flex-end;
    align-items: flex-end;
}

.d1j-message.d1j-bot {
    align-self: flex-start;
    align-items: flex-start;
}

.d1j-bubble {
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 13.5px;
    line-height: 1.65;
    word-break: break-word;
}

.d1j-message.d1j-user .d1j-bubble {
    background: linear-gradient(135deg, var(--d1j-primary), var(--d1j-accent));
    color: #fff;
    border-bottom-right-radius: 4px;
}

.d1j-message.d1j-bot .d1j-bubble {
    background: var(--d1j-bg-bot);
    color: var(--d1j-text);
    border-bottom-left-radius: 4px;
    border: 1px solid var(--d1j-border);
}

/* タイピングインジケーター */
.d1j-typing .d1j-bubble {
    padding: 12px 18px;
}

.d1j-dots {
    display: flex;
    gap: 5px;
    align-items: center;
}

.d1j-dots span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--d1j-primary);
    animation: d1jDot 1.2s infinite ease-in-out;
}

.d1j-dots span:nth-child(2) { animation-delay: 0.2s; }
.d1j-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes d1jDot {
    0%, 80%, 100% { transform: scale(0.7); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* =====================================================
   入力エリア
   ===================================================== */
#d1j-chat-input-area {
    padding: 12px 14px;
    border-top: 1px solid var(--d1j-border);
    display: flex;
    align-items: flex-end;
    gap: 8px;
    background: var(--d1j-bg);
    flex-shrink: 0;
}

#d1j-chat-input {
    flex: 1;
    border: 1.5px solid var(--d1j-border);
    border-radius: 10px;
    padding: 9px 12px;
    font-size: 13.5px;
    font-family: inherit;
    resize: none;
    outline: none;
    line-height: 1.5;
    max-height: 100px;
    overflow-y: auto;
    color: var(--d1j-text);
    transition: border-color 0.15s;
    background: #fafbff;
}

#d1j-chat-input:focus {
    border-color: var(--d1j-primary);
    background: #fff;
}

#d1j-chat-input::placeholder {
    color: #a0aec0;
}

#d1j-chat-send {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--d1j-primary), var(--d1j-accent));
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.15s, opacity 0.15s;
}

#d1j-chat-send:hover:not(:disabled) {
    transform: scale(1.08);
}

#d1j-chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* =====================================================
   スマホ対応
   ===================================================== */
@media (max-width: 480px) {
    #d1j-chat-widget {
        bottom: 80px;
        right: 16px;
    }

    #d1j-chat-panel {
        width: calc(100vw - 32px);
        right: -16px;
        max-height: 70vh;
        bottom: 68px;
    }
}