/**
 * 共用樣式
 *
 * 預約平台 - 共用 CSS
 */

/* ========================================
   CSS 變數
   ======================================== */

:root {
    /* 主要顏色 */
    --primary-color: #4e73df;
    --primary-hover: #2e59d9;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --light-color: #f8f9fc;
    --dark-color: #5a5c69;

    /* 背景顏色 */
    --bg-gradient-primary: linear-gradient(180deg, #4e73df 10%, #224abe 100%);
    --bg-gradient-success: linear-gradient(180deg, #1cc88a 10%, #13855c 100%);
    --bg-gradient-info: linear-gradient(180deg, #36b9cc 10%, #258391 100%);
    --bg-gradient-warning: linear-gradient(180deg, #f6c23e 10%, #dda20a 100%);
    --bg-gradient-danger: linear-gradient(180deg, #e74a3b 10%, #be2617 100%);

    /* 側邊欄寬度 */
    --sidebar-width: 250px;
    --sidebar-collapsed-width: 80px;

    /* 陰影 */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);

    /* 圓角 */
    --border-radius: 0.35rem;
    --border-radius-lg: 0.5rem;

    /* 字體 */
    --font-family: "Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ========================================
   基礎樣式
   ======================================== */

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: 0.875rem;
    background-color: var(--light-color);
    color: var(--dark-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    color: var(--primary-hover);
    text-decoration: none;
}

/* ========================================
   卡片樣式
   ======================================== */

.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.card-header {
    background-color: var(--light-color);
    border-bottom: 1px solid #e3e6f0;
    padding: 0.75rem 1.25rem;
}

.card-header h6 {
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.card-body {
    padding: 1.25rem;
}

/* 統計卡片 */
.stat-card {
    border-left: 0.25rem solid;
}

.stat-card.border-primary {
    border-left-color: var(--primary-color) !important;
}

.stat-card.border-success {
    border-left-color: var(--success-color) !important;
}

.stat-card.border-info {
    border-left-color: var(--info-color) !important;
}

.stat-card.border-warning {
    border-left-color: var(--warning-color) !important;
}

.stat-card .stat-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.stat-card .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
}

.stat-card .stat-icon {
    font-size: 2rem;
    color: #dddfeb;
}

/* ========================================
   表格樣式
   ======================================== */

.table {
    margin-bottom: 0;
}

.table thead th {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border-top: none;
    border-bottom: 2px solid #e3e6f0;
    color: var(--secondary-color);
    padding: 0.75rem;
}

.table tbody td {
    vertical-align: middle;
    padding: 0.75rem;
    border-color: #e3e6f0;
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

/* ========================================
   按鈕樣式
   ======================================== */

.btn {
    font-size: 0.875rem;
    border-radius: var(--border-radius);
    padding: 0.375rem 0.75rem;
}

.btn-sm {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-info {
    background-color: var(--info-color);
    border-color: var(--info-color);
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
}

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-icon {
    width: 2rem;
    height: 2rem;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ========================================
   徽章樣式
   ======================================== */

.badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.35em 0.65em;
    border-radius: var(--border-radius);
}

/* 狀態徽章 */
.badge-status-active {
    background-color: var(--success-color);
    color: white;
}

.badge-status-pending {
    background-color: var(--warning-color);
    color: #1f2d3d;
}

.badge-status-inactive,
.badge-status-suspended {
    background-color: var(--secondary-color);
    color: white;
}

.badge-status-cancelled,
.badge-status-rejected {
    background-color: var(--danger-color);
    color: white;
}

/* ========================================
   表單樣式
   ======================================== */

.form-control,
.form-select {
    font-size: 0.875rem;
    border-radius: var(--border-radius);
    border-color: #d1d3e2;
}

.form-control:focus,
.form-select:focus {
    border-color: #bac8f3;
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark-color);
}

.form-text {
    font-size: 0.75rem;
    color: var(--secondary-color);
}

/* ========================================
   分頁樣式
   ======================================== */

.pagination {
    margin-bottom: 0;
}

.pagination .page-link {
    color: var(--primary-color);
    border-color: #dddfeb;
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.pagination .page-item.disabled .page-link {
    color: var(--secondary-color);
}

/* ========================================
   Modal 樣式
   ======================================== */

.modal-header {
    border-bottom: 1px solid #e3e6f0;
}

.modal-footer {
    border-top: 1px solid #e3e6f0;
}

.modal-title {
    font-weight: 700;
    color: var(--dark-color);
}

/* ========================================
   Toast 通知樣式
   ======================================== */

.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1100;
}

.toast {
    min-width: 300px;
}

.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast-error {
    border-left: 4px solid var(--danger-color);
}

.toast-warning {
    border-left: 4px solid var(--warning-color);
}

.toast-info {
    border-left: 4px solid var(--info-color);
}

/* ========================================
   Loading 樣式
   ======================================== */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    width: 3rem;
    height: 3rem;
    border: 0.25rem solid var(--light-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   空狀態樣式
   ======================================== */

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--secondary-color);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state h5 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* ========================================
   工具類
   ======================================== */

.text-primary {
    color: var(--primary-color) !important;
}

.text-success {
    color: var(--success-color) !important;
}

.text-info {
    color: var(--info-color) !important;
}

.text-warning {
    color: var(--warning-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

.text-gray-300 {
    color: #dddfeb !important;
}

.text-gray-600 {
    color: var(--secondary-color) !important;
}

.text-gray-800 {
    color: var(--dark-color) !important;
}

.bg-gradient-primary {
    background: var(--bg-gradient-primary) !important;
}

.bg-gradient-success {
    background: var(--bg-gradient-success) !important;
}

.bg-gradient-info {
    background: var(--bg-gradient-info) !important;
}

.bg-gradient-warning {
    background: var(--bg-gradient-warning) !important;
}

.bg-gradient-danger {
    background: var(--bg-gradient-danger) !important;
}

.cursor-pointer {
    cursor: pointer;
}

.no-wrap {
    white-space: nowrap;
}

/* ========================================
   響應式 - 手機 (< 576px)
   ======================================== */

@media (max-width: 575.98px) {
    body {
        font-size: 0.8125rem;
    }

    .card-body {
        padding: 0.875rem;
    }

    .card-header {
        padding: 0.5rem 0.875rem;
    }

    .stat-card .stat-value {
        font-size: 1.125rem;
    }

    .stat-card .stat-icon {
        font-size: 1.25rem;
    }

    .stat-card .stat-label {
        font-size: 0.625rem;
    }

    .table {
        font-size: 0.75rem;
    }

    .table thead th {
        font-size: 0.675rem;
        padding: 0.5rem;
    }

    .table tbody td {
        padding: 0.5rem;
    }

    .btn {
        font-size: 0.8125rem;
        padding: 0.3rem 0.6rem;
    }

    .btn-sm {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }

    .badge {
        font-size: 0.675rem;
        padding: 0.25em 0.5em;
    }

    .form-control,
    .form-select {
        font-size: 0.8125rem;
        padding: 0.3rem 0.6rem;
    }

    .form-label {
        font-size: 0.8125rem;
    }

    .modal-dialog {
        margin: 0.5rem;
    }

    .modal-body {
        padding: 1rem;
    }

    .modal-header,
    .modal-footer {
        padding: 0.75rem 1rem;
    }

    .toast {
        min-width: 250px;
    }

    .empty-state {
        padding: 2rem 1rem;
    }

    .empty-state i {
        font-size: 2.5rem;
    }
}

/* ========================================
   響應式 - 平板 (576px - 768px)
   ======================================== */

@media (min-width: 576px) and (max-width: 767.98px) {
    .stat-card .stat-value {
        font-size: 1.25rem;
    }

    .stat-card .stat-icon {
        font-size: 1.5rem;
    }

    .table {
        font-size: 0.8rem;
    }

    .table thead th {
        font-size: 0.7rem;
    }
}

/* ========================================
   響應式 - 小平板/大手機 (768px - 992px)
   ======================================== */

@media (min-width: 768px) and (max-width: 991.98px) {
    .stat-card .stat-value {
        font-size: 1.375rem;
    }
}

/* ========================================
   RWD 工具類
   ======================================== */

/* 觸控裝置優化 */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }

    .btn-sm {
        min-height: 36px;
        min-width: 36px;
    }

    .form-control,
    .form-select {
        min-height: 44px;
    }

    .nav-link {
        padding: 0.875rem 1rem;
    }

    .dropdown-item {
        padding: 0.75rem 1rem;
    }
}

/* 隱藏捲軸但保持滾動 */
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.hide-scrollbar::-webkit-scrollbar {
    display: none;
}

/* 文字截斷 */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 彈性間距 */
.gap-responsive {
    gap: 0.5rem;
}

@media (min-width: 768px) {
    .gap-responsive {
        gap: 1rem;
    }
}

/* 響應式表格捲動 */
.table-responsive {
    -webkit-overflow-scrolling: touch;
}

/* 響應式表格欄位隱藏 */
@media (max-width: 575.98px) {
    .table .hide-xs {
        display: none !important;
    }

    /* 手機版表格內按鈕群組垂直排列 */
    .table .btn-group-vertical-xs {
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
    }
}

@media (max-width: 767.98px) {
    .table .hide-sm {
        display: none !important;
    }
}

@media (max-width: 991.98px) {
    .table .hide-md {
        display: none !important;
    }
}