/* 設計工作區 — 標題在上 → 大框（Tab + 內容） */
.design-workspace-shell {
    background: #E4E9EF;
    min-height: calc(100vh - 60px);
}
.design-workspace-layout {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.25rem 1rem 2.5rem;
}
.design-workspace-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    margin-bottom: 0.75rem;
}
.design-workspace-head-main {
    flex: 1 1 12rem;
    min-width: 0;
}
.design-workspace-head-actions {
    flex: 0 0 auto;
    align-self: center;
}
.design-workspace-title {
    margin: 0 0 0.25rem;
    font-size: 1.375rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--md-text, #5C6670);
}
/* Bootstrap reboot h1 — 設計工作區標題字級統一 */
.design-workspace-shell h1.design-workspace-title {
    font-size: 1.375rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--md-text, #5C6670);
    margin: 0 0 0.25rem;
}
.design-workspace-sub {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.45;
    color: var(--md-text-muted, #8A96A3);
}
/* 舊 class 對齊（設計頁 inline 仍可能引用） */
.design-workspace-head .page-title,
.design-workspace-layout .page-title {
    margin: 0 0 0.25rem;
    font-size: 1.375rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--md-text, #5C6670);
}
.design-workspace-head .page-sub,
.design-workspace-layout .page-sub {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.45;
    color: var(--md-text-muted, #8A96A3);
}

/* 工作區大框：Tab + 內容 */
.design-workspace-frame {
    background: var(--md-white, #F5F7FA);
    border: 1px solid rgba(88, 100, 112, 0.14);
    border-radius: 16px;
    box-shadow: 0 2px 16px rgba(88, 100, 112, 0.06);
    overflow: hidden;
}
.design-workspace-body {
    padding: 1.25rem 1.5rem 1.5rem;
}

/* Tab 列：卡片頂部 */
.design-workspace-tabs {
    margin: 0;
    background: #F0F3F7;
    border-bottom: 1px solid rgba(88, 100, 112, 0.14);
}
.cp-tab-mobile-toggle {
    display: none;
}
.design-workspace-tabs .cp-tab-strip-wrap {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    border-bottom: none;
    padding: 0 0.75rem;
}
.design-workspace-tabs .cp-tab-strip-wrap::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}
.design-workspace-tabs .cp-tab-strip {
    display: flex;
    flex-wrap: nowrap;
    align-items: stretch;
    border-bottom: none;
    margin-bottom: 0;
    padding: 0;
    min-width: min-content;
    gap: 0;
}
.design-workspace-tabs .cp-tab-strip .cp-tab-divider {
    flex: 0 0 1px;
    align-self: stretch;
    margin: 0.55rem 0.3rem;
    background: rgba(88, 100, 112, 0.22);
    border-radius: 0;
    list-style: none;
    padding: 0;
}
.design-workspace-tabs .cp-tab-strip .nav-item {
    flex: 0 0 auto;
    display: flex;
    align-items: stretch;
}
/* Tab 列 — 莫蘭迪四色組（對齊 nav-cp-menu.css） */
.design-workspace-tabs {
    margin: 0;
    background: #F0F3F7;
    border-bottom: 1px solid rgba(88, 100, 112, 0.14);
}
.design-workspace-tabs .cp-tab-strip .nav-link {
    display: flex;
    align-items: center;
    border: none;
    margin-bottom: -1px;
    padding: 0.7rem 0.85rem;
    min-height: 2.75rem;
    box-sizing: border-box;
    font-weight: 500;
    font-size: 0.875rem;
    white-space: nowrap;
    border-radius: 0;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    box-shadow: none;
}
.design-workspace-tabs .cp-tab-strip .nav-link:hover {
    text-decoration: none;
}

/* 以結構／設計稿組 — 灰藍 */
.design-workspace-tabs .cp-tab-g-design .nav-link {
    color: #5A7286;
    background: transparent;
}
.design-workspace-tabs .cp-tab-g-design .nav-link:hover {
    color: #3D5163;
    background: rgba(107, 132, 152, 0.12);
}
.design-workspace-tabs .cp-tab-g-design .nav-link.active {
    color: #3D5163;
    background: rgba(107, 132, 152, 0.16);
    border-bottom-color: #6B8498;
    font-weight: 600;
}

/* 以風格組 — 鼠尾草綠 */
.design-workspace-tabs .cp-tab-g-style .nav-link {
    color: #5E7568;
    background: transparent;
}
.design-workspace-tabs .cp-tab-g-style .nav-link:hover {
    color: #3F5248;
    background: rgba(122, 148, 136, 0.12);
}
.design-workspace-tabs .cp-tab-g-style .nav-link.active {
    color: #3F5248;
    background: rgba(122, 148, 136, 0.16);
    border-bottom-color: #7A9488;
    font-weight: 600;
}

/* 行銷影像組 — 灰紫 */
.design-workspace-tabs .cp-tab-g-marketing .nav-link {
    color: #6E6878;
    background: transparent;
}
.design-workspace-tabs .cp-tab-g-marketing .nav-link:hover {
    color: #4A4654;
    background: rgba(138, 132, 152, 0.12);
}
.design-workspace-tabs .cp-tab-g-marketing .nav-link.active {
    color: #4A4654;
    background: rgba(138, 132, 152, 0.16);
    border-bottom-color: #8A8498;
    font-weight: 600;
}

/* 輔助工具組 — 灰陶 */
.design-workspace-tabs .cp-tab-g-assist .nav-link {
    color: #6E7888;
    background: transparent;
}
.design-workspace-tabs .cp-tab-g-assist .nav-link:hover {
    color: #444E5C;
    background: rgba(142, 154, 173, 0.12);
}
.design-workspace-tabs .cp-tab-g-assist .nav-link.active {
    color: #444E5C;
    background: rgba(142, 154, 173, 0.16);
    border-bottom-color: #8E9AAD;
    font-weight: 600;
}

/* Bootstrap 5 .nav-tabs 預設上框／白底 — 五頁對齊 24c9864 */
.design-workspace-tabs .nav-tabs.cp-tab-strip {
    border-bottom: none;
}
.design-workspace-tabs .nav-tabs.cp-tab-strip .nav-link {
    border-top: none;
    border-left: none;
    border-right: none;
    margin-bottom: -1px;
}
.design-workspace-tabs .nav-tabs.cp-tab-strip .nav-link.active {
    border-top: none;
    border-left: none;
    border-right: none;
}

/* 列表頁內文 */
.design-workspace-lead {
    margin: 0 0 1rem;
    font-size: 0.875rem;
    line-height: 1.45;
    color: var(--md-text-muted, #8A96A3);
}
.design-workspace-meta {
    margin: 0 0 1rem;
    font-size: 0.8125rem;
    color: var(--md-text-muted, #8A96A3);
}

#custom-product .design-workspace-frame .create-panel {
    border: none;
    box-shadow: none;
    padding: 0;
    background: transparent;
    border-radius: 0;
}

@media (max-width: 767px) {
    .design-workspace-layout {
        padding: 0.85rem 0.75rem 2rem;
    }
    .design-workspace-title,
    .design-workspace-head .page-title {
        font-size: 1.25rem;
    }
    .design-workspace-head {
        margin-bottom: 0.5rem;
    }
    .design-workspace-body {
        padding: 0.85rem 1rem 1.25rem;
    }
    .cp-tab-mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.5rem;
        width: 100%;
        padding: 0.65rem 0.85rem;
        border: none;
        border-bottom: 1px solid rgba(88, 100, 112, 0.14);
        font: inherit;
        font-size: 0.875rem;
        font-weight: 600;
        cursor: pointer;
        text-align: left;
    }
    .cp-tab-mobile-toggle.cp-tab-g-design {
        background: rgba(107, 132, 152, 0.16);
        color: #3D5163;
    }
    .cp-tab-mobile-toggle.cp-tab-g-style {
        background: rgba(122, 148, 136, 0.16);
        color: #3F5248;
    }
    .cp-tab-mobile-toggle.cp-tab-g-marketing {
        background: rgba(138, 132, 152, 0.16);
        color: #4A4654;
    }
    .cp-tab-mobile-toggle.cp-tab-g-assist {
        background: rgba(142, 154, 173, 0.16);
        color: #444E5C;
    }
    .cp-tab-mobile-toggle-text {
        display: flex;
        align-items: baseline;
        gap: 0.35rem;
        min-width: 0;
    }
    .cp-tab-mobile-toggle-prefix {
        flex: 0 0 auto;
        font-size: 0.75rem;
        font-weight: 500;
        opacity: 0.72;
    }
    .cp-tab-mobile-toggle-label {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .cp-tab-mobile-toggle-icon {
        flex: 0 0 auto;
        font-size: 0.95rem;
        opacity: 0.72;
        transition: transform 0.15s ease;
    }
    .design-workspace-tabs.is-expanded .cp-tab-mobile-toggle-icon {
        transform: rotate(180deg);
    }
    .design-workspace-tabs .cp-tab-strip-wrap {
        display: none;
        overflow-x: visible;
        padding: 0.25rem 0.25rem 0.35rem;
        border-bottom: 1px solid rgba(88, 100, 112, 0.1);
    }
    .design-workspace-tabs.is-expanded .cp-tab-strip-wrap {
        display: block;
    }
    .design-workspace-tabs .cp-tab-strip {
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        min-width: 0;
    }
    .design-workspace-tabs .cp-tab-strip .cp-tab-divider {
        display: none;
    }
    .design-workspace-tabs .cp-tab-strip .nav-item {
        flex: unset;
        min-width: 0;
    }
    .design-workspace-tabs .cp-tab-strip .nav-link {
        justify-content: center;
        width: 100%;
        padding: 0.5rem 0.15rem;
        font-size: 0.75rem;
        min-height: 2.35rem;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    #custom-product .design-workspace-head {
        display: none;
    }
}

@media (min-width: 768px) {
    .cp-tab-mobile-toggle {
        display: none !important;
    }
}