/* 作業画面レイアウト用スタイル */

.project-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: var(--background-color);
}

/* ヘッダー */
.project-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--card-background);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    box-shadow: 0 1px 3px var(--shadow-color);
    flex-shrink: 0;
    z-index: 100;
}

.project-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.project-header-logo-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
}

.project-header-logo {
    height: 24px;
    width: auto;
    transition: opacity var(--transition-duration) ease;
}

.project-header-logo-button:hover .project-header-logo {
    opacity: 0.8;
}

.project-header-breadcrumb-icon {
    color: var(--text-light-color);
}

.project-header-project-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.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;
}

.project-header-button {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-duration) ease;
}

/* 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;
}

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

.project-header-button--primary {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-on-primary);
}

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

.project-header-icon-button {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-light-color);
    cursor: pointer;
    transition: all var(--transition-duration) ease;
}

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

/* メインエリア */
.project-main {
    flex: 1;
    display: flex;
    overflow: hidden;
    margin-top: 56px; /* ヘッダーの高さ分のマージン */
}

/* 左カラム: チャットエリア */
.project-left-column {
    width: 30%;
    min-width: 300px;
    max-width: 70%;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    background: var(--card-background);
    position: relative;
}

/* リサイザー */
.project-resizer {
    position: absolute;
    top: 0;
    right: 0;
    width: 1px;
    height: 100%;
    cursor: col-resize;
    background: transparent;
    z-index: 10;
    transition: background var(--transition-duration) ease;
}

.project-resizer:hover,
.project-resizer--active {
    background: var(--primary-color);
}

.project-resizer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -2px;
    width: 10px;
    height: 100%;
}

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

/* レスポンシブ対応 */
/* タブレット (768px - 1023px) */
@media (max-width: 1023px) {
    .project-left-column {
        width: 40%;
        min-width: 280px;
    }

    .project-right-column {
        min-width: 280px;
    }
}

/* スマホ (767px以下) */
@media (max-width: 767px) {
    .project-container {
        height: auto;
        min-height: 100vh;
    }

    .project-header {
        padding: 0 12px;
        height: 52px;
    }

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

    .project-header-logo {
        height: 20px;
    }

    .project-header-breadcrumb-icon {
        display: none;
    }

    .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: 6px 10px;
        font-size: 12px;
        min-width: 44px;
        min-height: 44px;
    }

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

    .project-header-icon-button {
        width: 44px;
        height: 44px;
    }

    .project-main {
        flex-direction: column;
        overflow: visible;
        height: auto;
    }

    .project-left-column {
        width: 100%;
        min-width: unset;
        max-width: unset;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        /* flexboxレイアウトを維持して入力欄を下部に固定 */
        min-height: 70vh;
        max-height: 70vh;
    }

    .project-right-column {
        width: 100%;
        min-width: unset;
        height: auto;
        min-height: 60vh;
    }

    /* リサイザーをスマホでは無効化 */
    .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: 56px;
    left: 0;
    right: 0;
    z-index: 99;
}

.read-only-banner i,
.read-only-banner svg {
    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: 93px; /* 56px(ヘッダー) + 37px(バナー) */
}

/* スマホ対応 */
@media (max-width: 767px) {
    .read-only-banner {
        padding: 8px 12px;
        font-size: 12px;
        top: 52px;
    }

    .project-container:has(.read-only-banner) .project-main {
        margin-top: 85px;
    }
}