main > .container {
    padding: 100px 15px 20px;
}

.footer {
    background-color: #f5f5f5;
    font-size: .9em;
    height: 60px;
}

.footer > .container {
    padding-right: 15px;
    padding-left: 15px;
}

.not-set {
    color: #c55;
    font-style: italic;
}

/* add sorting icons to gridview sort links */
a.asc:after, a.desc:after {
    content: '';
    left: 3px;
    display: inline-block;
    width: 0;
    height: 0;
    border: solid 5px transparent;
    margin: 4px 4px 2px 4px;
    background: transparent;
}

a.asc:after {
    border-bottom: solid 7px #212529;
    border-top-width: 0;
}

a.desc:after {
    border-top: solid 7px #212529;
    border-bottom-width: 0;
}

.grid-view th {
    white-space: nowrap;
}

.hint-block {
    display: block;
    margin-top: 5px;
    color: #999;
}

.error-summary {
    color: #a94442;
    background: #fdf7f7;
    border-left: 3px solid #eed3d7;
    padding: 10px 20px;
    margin: 0 0 15px 0;
}

/* align the logout "link" (button in form) of the navbar */
.nav li > form > button.logout {
    padding-top: 7px;
    color: rgba(255, 255, 255, 0.5);
}

@media(max-width:767px) {
    .nav li > form > button.logout {
        display:block;
        text-align: left;
        width: 100%;
        padding: 10px 0;
    }
}

.nav > li > form > button.logout:focus,
.nav > li > form > button.logout:hover {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.75);
}

.nav > li > form > button.logout:focus {
    outline: none;
}

.form-group {
    margin-bottom: 1rem;
}

/* 錯誤訊息樣式 */
.help-block,
.invalid-feedback {
    color: #dc3545 !important;
    font-size: 0.875em;
    margin-top: 0.25rem;
}

/* 確保錯誤訊息在各種情況下都顯示為紅色 */
.help-block.error,
.invalid-feedback.error,
.field-error {
    color: #dc3545 !important;
}

/* 捲動定位優化：確保錯誤欄位出現在可視區域上方，並預留 header 高度 */
.form-group,
.field-has-error,
.has-error,
.is-invalid,
input.is-invalid,
select.is-invalid,
textarea.is-invalid {
    scroll-margin-top: 100px; /* 預留 header 和一些空間 */
}

/* 針對包含錯誤的表單欄位容器 */
.form-group.has-error,
.form-group.field-has-error {
    scroll-margin-top: 120px; /* 讓欄位標籤也能看到 */
}

/* jQuery UI Dialog 關閉按鈕圖示修復 */
.ui-dialog .ui-dialog-titlebar-close {
    cursor: pointer;
    border: none;
    background: transparent;
    position: relative;
    padding: 0;
    font-size: 0;
    line-height: 0;
    text-indent: 0;
}

/* 確保 ui-icon 子元素正確顯示 */
.ui-dialog .ui-dialog-titlebar-close .ui-icon {
    display: block !important;
    width: 16px;
    height: 16px;
    margin: 2px auto 0;
    text-indent: -99999px;
    overflow: hidden;
    background-repeat: no-repeat;
    position: relative;
    z-index: 1;
}

/* 使用 CSS 內容顯示 X 符號作為主要顯示方式 */
.ui-dialog .ui-dialog-titlebar-close:after {
    content: "×";
    display: block;
    width: 100%;
    height: 100%;
    line-height: 18px;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    color: #ffffff;
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 0;
}

/* 當有 ui-icon 子元素時，優先顯示圖示，隱藏文字 X */
.ui-dialog .ui-dialog-titlebar-close .ui-icon.ui-icon-close {
    z-index: 2;
}

.ui-dialog .ui-dialog-titlebar-close:not(:empty):after {
    display: none;
}

/* ========================================
   卡片區塊樣式 - 全域使用
   ======================================== */

/* 主卡片樣式 - 柔和的藍灰色（一級區塊） */
.card-primary-section {
    border-color: #c5d1dc;
}
.card-primary-section > .card-header {
    background-color: #e3eaf1;
    border-bottom-color: #c5d1dc;
    color: #3d5a73;
    font-weight: 500;
}

/* 第二層卡片樣式 - 柔和的暖色調（二級區塊） */
.card-secondary-section {
    border-color: #e5ddd4;
    background-color: #fdfcfb;
}
.card-secondary-section > .card-header {
    background-color: #f7f3ef;
    border-bottom-color: #e5ddd4;
    color: #6d5d52;
    font-weight: 500;
}

/* ========================================
   客戶列表（及 GridView）分頁區塊
   ======================================== */
.customer-index .grid-footer,
.grid-view .grid-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #dee2e6;
}

.customer-index .grid-footer .summary,
.grid-view .grid-footer .summary {
    color: #6c757d;
    font-size: 0.875rem;
}

.customer-index .pagination,
.grid-view .pagination {
    --bs-pagination-color: #0d6efd;
    --bs-pagination-hover-color: #0a58ca;
    --bs-pagination-active-bg: #0d6efd;
    --bs-pagination-active-border-color: #0d6efd;
}

.customer-index .pagination .page-link,
.grid-view .pagination .page-link {
    border-radius: 0.25rem;
    margin: 0 1px;
}

.customer-index .pagination .page-item.active .page-link,
.grid-view .pagination .page-item.active .page-link {
    font-weight: 500;
}

/* ========================================
   柔和主題（保留 default 為現況）
   ======================================== */
html[data-theme="soft"] body {
    background-color: #f5f7fa;
    color: #2f3a46;
}

html[data-theme="soft"] .navbar.bg-dark {
    background-color: #5f6f82 !important;
}

html[data-theme="soft"] .navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.88);
}

html[data-theme="soft"] .navbar-dark .navbar-nav .nav-link:hover,
html[data-theme="soft"] .navbar-dark .navbar-nav .nav-link:focus {
    color: #ffffff;
}

html[data-theme="soft"] .theme-toggle-btn {
    border-color: rgba(255, 255, 255, 0.55);
    color: #ffffff;
}

html[data-theme="soft"] .theme-toggle-btn:hover,
html[data-theme="soft"] .theme-toggle-btn:focus {
    background-color: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.72);
    color: #ffffff;
}

html[data-theme="soft"] .card {
    border-color: #d4dce5;
    box-shadow: 0 1px 2px rgba(28, 40, 53, 0.04);
}

html[data-theme="soft"] .card-primary-section > .card-header {
    background-color: #edf2f7;
    border-bottom-color: #d4dce5;
    color: #44576d;
}

html[data-theme="soft"] .card-secondary-section {
    border-color: #e3ded7;
    background-color: #fcfbfa;
}

html[data-theme="soft"] .card-secondary-section > .card-header {
    background-color: #f4f1ed;
    border-bottom-color: #e3ded7;
    color: #665d55;
}

html[data-theme="soft"] .btn-primary {
    --bs-btn-bg: #5f7894;
    --bs-btn-border-color: #5f7894;
    --bs-btn-hover-bg: #536b84;
    --bs-btn-hover-border-color: #536b84;
    --bs-btn-active-bg: #4c6279;
    --bs-btn-active-border-color: #4c6279;
}

html[data-theme="soft"] .btn-success {
    --bs-btn-bg: #6f8f7b;
    --bs-btn-border-color: #6f8f7b;
    --bs-btn-hover-bg: #62806f;
    --bs-btn-hover-border-color: #62806f;
    --bs-btn-active-bg: #597564;
    --bs-btn-active-border-color: #597564;
}

html[data-theme="soft"] .btn-warning {
    --bs-btn-bg: #d9b66d;
    --bs-btn-border-color: #d9b66d;
    --bs-btn-hover-bg: #cca75d;
    --bs-btn-hover-border-color: #cca75d;
    --bs-btn-active-bg: #bf9b54;
    --bs-btn-active-border-color: #bf9b54;
}

html[data-theme="soft"] .table {
    --bs-table-bg: #ffffff;
    --bs-table-striped-bg: #f7f9fc;
    --bs-table-hover-bg: #eef3f8;
    --bs-table-border-color: #d8e0ea;
}

html[data-theme="soft"] .form-control,
html[data-theme="soft"] .form-select {
    border-color: #cfd8e3;
}

html[data-theme="soft"] .form-control:focus,
html[data-theme="soft"] .form-select:focus {
    border-color: #98aeca;
    box-shadow: 0 0 0 0.2rem rgba(95, 120, 148, 0.15);
}