/* 自定義樣式 - 客戶管理系統 */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #059669;
    --danger-color: #dc2626;
    --warning-color: #d97706;
    --light-bg: #f8fafc;
    --dark-text: #1e293b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
}

/* 導航欄美化 */
.navbar-custom {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    box-shadow: var(--shadow-lg);
    border: none;
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: white !important;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem;
    margin: 0 0.25rem;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.1);
}

/* 主要內容區域 */
.main-content {
    min-height: calc(100vh - 80px);
    padding: 2rem 0;
}

/* 卡片美化 */
.card-custom {
    border: none;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    background: white;
}

.card-custom:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header-custom {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid var(--border-color);
    border-radius: 1rem 1rem 0 0 !important;
    padding: 1.5rem;
}

/* 統計卡片 */
.stats-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow);
    border: none;
    transition: all 0.3s ease;
}

.stats-card:hover {
    box-shadow: var(--shadow-lg);
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stats-label {
    color: var(--secondary-color);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 表格美化 */
.table-custom {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: none;
}

.table-custom th {
    background-color: #f8fafc;
    font-weight: 600;
    color: var(--dark-text);
    border-top: none;
    padding: 1rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table-custom td {
    padding: 1rem;
    vertical-align: middle;
    border-color: var(--border-color);
}

.table-custom tbody tr {
    transition: all 0.2s ease;
}

.table-custom tbody tr:hover {
    background-color: #f8fafc;
}

/* 按鈕美化 */
.btn-custom {
    border-radius: 0.5rem;
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary-custom:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1e40af 100%);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-success-custom {
    background: linear-gradient(135deg, var(--success-color) 0%, #047857 100%);
    color: white;
}

.btn-success-custom:hover {
    background: linear-gradient(135deg, #047857 0%, #065f46 100%);
    color: white;
    transform: translateY(-1px);
}

.btn-outline-custom {
    border: 2px solid var(--border-color);
    background: white;
    color: var(--dark-text);
}

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

/* 表單美化 */
.form-control-custom {
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: white;
}

.form-control-custom:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: white;
}

.form-label-custom {
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* 搜尋框美化 */
.search-container {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.search-input {
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* 徽章美化 */
.badge-custom {
    padding: 0.5rem 1rem;
    border-radius: 50rem;
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-purchase-custom {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: var(--success-color);
}

.badge-topup-custom {
    background: linear-gradient(135deg, #fef3c7 0%, #fed7aa 100%);
    color: var(--warning-color);
}

.badge-refund-custom {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: var(--danger-color);
}

/* 分頁美化 */
.pagination-custom {
    gap: 0.5rem;
}

.pagination-custom .page-link {
    border: none;
    border-radius: 0.5rem;
    color: var(--secondary-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.pagination-custom .page-link:hover {
    background-color: var(--primary-color);
    color: white;
}

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

/* 警告訊息美化 */
.alert-custom {
    border: none;
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.alert-success-custom {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: var(--success-color);
}

.alert-danger-custom {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: var(--danger-color);
}

/* 動畫效果 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in {
    animation: slideIn 0.6s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

/* 空狀態 */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--secondary-color);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem 0;
    }
    
    .stats-card {
        margin-bottom: 1rem;
    }
    
    .table-responsive {
        border-radius: 1rem;
        overflow: hidden;
    }
    
    .card-custom {
        margin-bottom: 1rem;
    }
}