/* ===========================================
   プロジェクト画面 - レイアウト用スタイル
   =========================================== */

/* 全体コンテナ */
.project-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ===========================================
   ヘッダー
   =========================================== */
.project-header {
    background: var(--bg-primary);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

/* ヘッダー左側 */
.project-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* 戻るボタン */
.project-header-logo-button {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--gray-100);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    text-decoration: none;
    padding: 0;
}

.project-header-logo-button:hover {
    background: var(--primary-100);
    color: var(--primary-500);
}

/* ロゴ画像 */
.project-header-logo {
    height: 20px;
    width: auto;
}

/* パンくずアイコン（非表示にしてFont Awesomeアイコンに置換） */
.project-header-breadcrumb-icon {
    color: var(--text-tertiary);
    font-size: 12px;
}

/* プロジェクト名とステータス */
.project-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.project-header-project-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.project-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    background: var(--primary-100);
    color: var(--primary-600);
}

/* ヘッダー右側 */
.project-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* アクションボタングループ */
.project-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* セカンダリボタン */
.project-header-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-primary);
    border: 1px solid var(--gray-300);
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.project-header-button:hover {
    border-color: var(--primary-500);
    color: var(--primary-500);
    background: var(--primary-100);
}

/* 状態によって一時的に非表示にしたいボタン用 */
.project-header-button--hidden {
    display: none !important;
}

/* プライマリボタン */
.project-header-button--primary {
    color: var(--text-on-primary);
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    border: none;
    font-weight: 600;
    padding: 10px 20px;
}

.project-header-button--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(27, 173, 165, 0.35);
    color: var(--text-on-primary);
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
}

/* アイコンボタン */
.project-header-icon-button {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 10px;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.project-header-icon-button:hover {
    background: var(--gray-100);
    color: var(--text-secondary);
}

/* ===========================================
   メインレイアウト
   =========================================== */
.project-main {
    display: flex;
    height: calc(100vh - 60px);
    margin-top: 60px;
}

/* 左カラム: チャットエリア */
.project-left-column {
    width: 45%;
    min-width: 400px;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    border-right: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
}

/* リサイザー */
.project-resizer {
    width: 6px;
    background: transparent;
    cursor: col-resize;
    position: absolute;
    top: 0;
    right: -3px;
    height: 100%;
    flex-shrink: 0;
    z-index: 10;
}

.project-resizer::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 4px;
    height: 40px;
    background: var(--gray-300);
    border-radius: 2px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-resizer:hover::after,
.project-resizer--active::after {
    opacity: 1;
}

/* 右カラム: 成果物エリア */
.project-right-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--gray-100);
    overflow: hidden;
    min-width: 300px;
}

/* ===========================================
   レスポンシブ対応
   =========================================== */
/* タブレット (1024px以下) */
@media (max-width: 1024px) {
    .project-left-column {
        width: 50%;
        min-width: 350px;
    }
}

/* スマホ (768px以下) */
@media (max-width: 768px) {
    .project-header {
        padding: 0 12px;
        height: 56px;
    }

    .project-header-left {
        gap: 8px;
    }

    .project-header-logo {
        height: 18px;
    }

    .project-header-project-name {
        font-size: 13px;
        max-width: 120px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .project-header-right {
        gap: 8px;
    }

    .project-header-actions {
        gap: 4px;
    }

    .project-header-button {
        padding: 8px 12px;
        font-size: 12px;
    }

    .project-header-button span {
        display: none;
    }

    .project-main {
        flex-direction: column;
        height: auto;
        min-height: calc(100vh - 56px);
        margin-top: 56px;
    }

    .project-left-column {
        width: 100%;
        max-width: none;
        min-width: unset;
        height: 50%;
        border-right: none;
        min-height: 50vh;
        max-height: 60vh;
    }

    .project-right-column {
        width: 100%;
        min-width: unset;
        height: 50%;
        min-height: 50vh;
    }

    .project-resizer {
        display: none;
    }
}

/* 極小スマホ (480px以下) */
@media (max-width: 480px) {
    .project-header {
        padding: 0 8px;
    }

    .project-header-project-name {
        max-width: 80px;
    }

    .project-header-button {
        padding: 8px;
    }
}

/* ===========================================
   Read Onlyバナー
   =========================================== */
.read-only-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: #FFF3CD;
    border-bottom: 1px solid #FFC107;
    color: #856404;
    font-size: 13px;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    z-index: 99;
}

.read-only-banner i {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Read Onlyバナー表示時はメインエリアのマージンを調整 */
.project-container:has(.read-only-banner) .project-main {
    margin-top: 97px;
}

/* スマホ対応 */
@media (max-width: 768px) {
    .read-only-banner {
        padding: 8px 12px;
        font-size: 12px;
        top: 56px;
    }

    .project-container:has(.read-only-banner) .project-main {
        margin-top: 89px;
    }
}