/* ===========================================
   プロジェクト画面 - チャットエリア用スタイル
   =========================================== */

/* チャットヘッダー */
.project-chat-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

/* チャットタイトル */
.project-chat-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.project-chat-title i {
    color: var(--primary-500);
}

/* ===========================================
   トークン使用量インジケータ
   =========================================== */
.project-chat-token-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
}

.project-chat-token-circle {
    width: 36px;
    height: 36px;
    position: relative;
    flex-shrink: 0;
}

.project-chat-token-circle svg {
    display: block;
}

.project-chat-token-circle svg circle {
    transition: stroke-dasharray 0.5s ease, stroke 0.3s ease;
}

/* 背景リング（グレーの円） */
.project-chat-token-circle svg circle.bg {
    stroke: var(--gray-100);
}

/* 進捗リング（プライマリカラーの円） */
.project-chat-token-circle svg circle.progress {
    stroke: var(--color-primary);
}

.project-chat-token-percentage {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 9px;
    font-weight: 600;
    color: var(--text-secondary);
}

.project-chat-token-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.project-chat-token-label {
    font-size: 12px;
    color: var(--text-tertiary);
}

.project-chat-token-status {
    font-size: 11px;
    color: var(--text-tertiary);
    transition: color 0.3s ease;
}

/* ===========================================
   チャットメッセージエリア
   =========================================== */
.project-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* メッセージ共通 */
.project-message {
    display: flex;
    gap: 12px;
    max-width: 90%;
    animation: messageSlideIn 0.3s ease;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* AIメッセージ（左寄せ） */
.project-message--assistant {
    align-self: flex-start;
}

.project-message--assistant .project-message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: var(--text-on-primary);
}

.project-message--assistant .project-message-content {
    padding: 14px 18px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.7;
    background: var(--gray-100);
    color: var(--text-primary);
    border-top-left-radius: 4px;
}

/* ユーザーメッセージ（右寄せ） */
.project-message--user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.project-message--user .project-message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    background: var(--gray-100);
    color: var(--text-secondary);
}

.project-message--user .project-message-content {
    padding: 14px 18px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.7;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: var(--text-on-primary);
    border-top-right-radius: 4px;
}

/* メッセージラッパー */
.project-message-wrapper {
    display: flex;
    flex-direction: column;
}

/* メッセージ時刻 */
.project-message-time {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 6px;
    padding: 0 4px;
}

.project-message--user .project-message-time {
    text-align: right;
}

/* メッセージ内のリストスタイル */
.project-message-content ul,
.project-message-content ol {
    margin: 8px 0;
    padding-left: 12px;
}

.project-message-content ul {
    list-style-type: disc;
}

.project-message-content ol {
    list-style-type: decimal;
}

.project-message-content li {
    margin: 4px 0;
}

.project-message-content ul ul,
.project-message-content ol ul {
    list-style-type: circle;
    margin: 4px 0;
}

.project-message-content ul ol,
.project-message-content ol ol {
    list-style-type: lower-alpha;
    margin: 4px 0;
}

.project-message-content hr {
    margin: 8px 0;
    border: 1px solid var(--border-light);
}

/* コードブロックの折り返し設定 */
.project-message-content pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-x: hidden;
    background: var(--bg-tertiary);
    padding: 8px 12px;
    border-radius: 4px;
    margin: 8px 0;
}

.project-message-content code {
    word-break: break-all;
}

/* ===========================================
   チャット入力エリア
   =========================================== */
.project-chat-input-area {
    padding: 16px 20px;
    border-top: 1px solid var(--gray-100);
    background: var(--bg-primary);
    flex-shrink: 0;
}

/* 入力ヒント */
.project-chat-input-hint {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
    text-align: right;
}

.project-chat-input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.project-chat-input-container {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--gray-100);
    border-radius: 14px;
    padding: 12px 16px;
    transition: all var(--transition-normal);
}

.project-chat-input-container:focus-within {
    background: var(--bg-primary);
    box-shadow: 0 0 0 2px var(--primary-100), 0 0 0 4px rgba(27, 173, 165, 0.1);
}

/* テキスト入力 */
.project-chat-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 14px;
    line-height: 1.5;
    resize: none;
    max-height: 120px;
    font-family: inherit;
    color: var(--text-primary);
}

.project-chat-input:focus {
    outline: none;
}

.project-chat-input::placeholder {
    color: var(--text-tertiary);
}

/* 添付ボタン・送信ボタン共通 */
.project-chat-attach-button,
.project-chat-send-button {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

/* 添付ボタン */
.project-chat-attach-button {
    background: transparent;
    color: var(--text-tertiary);
}

.project-chat-attach-button:hover {
    background: var(--bg-primary);
    color: var(--text-secondary);
}

/* 送信ボタン */
.project-chat-send-button {
    background: var(--primary-500);
    color: var(--text-on-primary);
}

.project-chat-send-button:hover:not(:disabled) {
    background: var(--primary-600);
    transform: scale(1.05);
}

.project-chat-send-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===========================================
   レスポンシブ対応
   =========================================== */
/* タブレット (1024px以下) */
@media (max-width: 1024px) {
    .project-chat-messages {
        padding: 16px;
    }

    .project-message {
        max-width: 92%;
    }
}

/* スマホ (768px以下) */
@media (max-width: 768px) {
    .project-chat-header {
        padding: 12px 16px;
    }

    .project-chat-messages {
        padding: 12px;
        gap: 12px;
    }

    .project-message {
        max-width: 95%;
        gap: 8px;
    }

    .project-message--assistant .project-message-avatar,
    .project-message--user .project-message-avatar {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }

    .project-message--assistant .project-message-content,
    .project-message--user .project-message-content {
        font-size: 13px;
        padding: 10px 14px;
    }

    .project-message-time {
        font-size: 10px;
    }

    .project-chat-input-area {
        padding: 12px 16px;
    }

    .project-chat-input {
        font-size: 13px;
    }

    .project-chat-send-button {
        width: 32px;
        height: 32px;
    }

    .project-chat-attach-button {
        width: 32px;
        height: 32px;
    }
}

/* 極小スマホ (480px以下) */
@media (max-width: 480px) {
    .project-chat-header {
        padding: 10px 12px;
    }

    .project-chat-messages {
        padding: 10px;
    }

    .project-chat-input-area {
        padding: 10px 12px;
    }

    .project-message {
        gap: 6px;
    }

    .project-message--assistant .project-message-content,
    .project-message--user .project-message-content {
        font-size: 12px;
        padding: 8px 12px;
    }
}

/* ===========================================
   サブエージェント処理中のローディング表示
   =========================================== */
.project-message-loading {
    font-size: 10px;
    color: var(--text-tertiary);
    display: inline-block;
    padding: 0px 8px;
}

/* アクティブ状態（実行中）のみシマー適用 */
.project-message-loading.active {
    background: linear-gradient(
        90deg,
        var(--text-tertiary) 0%,
        var(--text-tertiary) 40%,
        var(--text-primary) 50%,
        var(--text-tertiary) 60%,
        var(--text-tertiary) 100%
    );
    background-size: 200% 100%;
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    animation: shimmer 1.5s linear infinite;
}

@keyframes shimmer {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

/* ===========================================
   Tool / Thinking UI（仕様: project-screen）
   =========================================== */

/* 1ターン内のツール操作をまとめるグループカード */
.rfpv2-chat__tool-group {
    margin-left: 42px;
    max-width: 80%;
    border: 1px dashed var(--gray-300);
    border-radius: 8px;
    background: var(--gray-50);
    font-size: 12px;
    color: var(--gray-500);
    flex-shrink: 0;
}

/* 全カード解決後は少し薄く見せる */
.rfpv2-chat__tool-group--resolved {
    opacity: 0.75;
}

/* Thinking表示（グループ先頭） */
.rfpv2-chat__thinking {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    font-size: 12px;
    color: var(--gray-500);
    border-bottom: 1px solid var(--gray-200);
}

.rfpv2-chat__thinking-icon {
    font-size: 11px;
}

.rfpv2-chat__thinking-dots {
    display: inline-flex;
    gap: 3px;
}

.rfpv2-chat__thinking-dots span {
    width: 4px;
    height: 4px;
    background: var(--gray-400);
    border-radius: 50%;
    animation: project-thinking-dots 1.4s infinite;
}

.rfpv2-chat__thinking-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.rfpv2-chat__thinking-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes project-thinking-dots {
    0%, 60%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    30% {
        opacity: 1;
        transform: scale(1);
    }
}

/* thinking完了時はドットを消して経過秒のみ表示 */
.rfpv2-chat__thinking--done {
    color: var(--gray-400);
}

.rfpv2-chat__thinking--done .rfpv2-chat__thinking-dots {
    display: none;
}

/* ツールカード共通 */
.rfpv2-chat__tool-card {
    padding: 6px 12px;
    font-size: 12px;
    color: var(--gray-500);
    background: transparent;
}

.rfpv2-chat__tool-card + .rfpv2-chat__tool-card {
    border-top: 1px solid var(--gray-200);
}

.rfpv2-chat__tool-card--resolved {
    opacity: 0.95;
}

/* カードヘッダー */
.rfpv2-chat__tool-header {
    display: flex;
    align-items: center;
    gap: 6px;
    line-height: 1.5;
}

.rfpv2-chat__tool-header--expandable {
    cursor: pointer;
}

.rfpv2-chat__tool-header-icon {
    flex-shrink: 0;
    font-size: 11px;
}

.rfpv2-chat__tool-header-text {
    flex: 1;
    font-weight: 500;
    color: var(--gray-700);
}

/* カード右側の状態バッジ */
.rfpv2-chat__tool-status {
    font-size: 11px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 3px;
    flex-shrink: 0;
}

.rfpv2-chat__tool-status--approved {
    color: var(--success-600);
}

.rfpv2-chat__tool-status--rejected {
    color: var(--gray-500);
}

/* 展開/折りたたみアイコン */
.rfpv2-chat__tool-chevron {
    font-size: 10px;
    color: var(--gray-400);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.rfpv2-chat__tool-card--expanded .rfpv2-chat__tool-chevron {
    transform: rotate(180deg);
}

/* 差分本文（開閉部分） */
.rfpv2-chat__tool-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.rfpv2-chat__tool-card--expanded .rfpv2-chat__tool-body {
    max-height: 450px;
}

.rfpv2-chat__tool-body-inner {
    padding-top: 8px;
}

.rfpv2-chat__tool-diff-old {
    background: #fff5f5;
    border-left: 3px solid #fca5a5;
    padding: 5px 10px;
    border-radius: 4px;
    margin-bottom: 4px;
    font-size: 12px;
    color: #b91c1c;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
}

.rfpv2-chat__tool-diff-new {
    background: #f0fdf4;
    border-left: 3px solid #86efac;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    color: #15803d;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
}

.rfpv2-chat__tool-diff-prefix {
    font-weight: 600;
    margin-right: 4px;
    user-select: none;
}

/* 許可/拒否ボタン */
.rfpv2-chat__tool-actions {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
    margin-top: 8px;
}

.rfpv2-chat__tool-btn {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 11px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all var(--transition-fast);
}

.rfpv2-chat__tool-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.rfpv2-chat__tool-btn--approve {
    background: var(--primary-500);
    color: var(--white);
}

.rfpv2-chat__tool-btn--approve:hover:not(:disabled) {
    background: var(--primary-600);
}

.rfpv2-chat__tool-btn--reject {
    background: var(--gray-200);
    color: var(--gray-700);
}

.rfpv2-chat__tool-btn--reject:hover:not(:disabled) {
    background: var(--gray-300);
}

/* Toolカードのモバイル調整 */
@media (max-width: 768px) {
    .rfpv2-chat__tool-group {
        margin-left: 34px;
        max-width: 90%;
    }

    .rfpv2-chat__tool-card {
        padding: 6px 10px;
    }
}

@media (max-width: 480px) {
    .rfpv2-chat__tool-group {
        margin-left: 0;
        max-width: 100%;
    }
}

/* チャットスピナー（送信ボタン内表示用） */
.chat-spinner {
    font-size: 20px;
    color: #FFFFFF;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

.chat-spinner::before {
    content: '\00B7';
    animation: chatSpinnerContent 1.1s steps(1) infinite;
    display: block;
}

@keyframes chatSpinnerContent {
    0% { content: '\00B7'; }
    9.09% { content: '\25E6'; }
    18.18% { content: '\2727'; }
    27.27% { content: '\2726'; }
    36.36% { content: '\25C8'; }
    45.45% { content: '\25C6'; }
    54.54% { content: '\25C8'; }
    63.63% { content: '\2726'; }
    72.72% { content: '\2727'; }
    81.81% { content: '\25E6'; }
    90.90% { content: '\00B7'; }
    100% { content: '\00B7'; }
}