/* 
 * Line Statistics - 自定義樣式
 * 現代化、專業的統計系統介面
 */

:root {
    /* 主色調 - 優雅的藍紫色系 */
    --primary-color: #8b9dc3;
    --primary-dark: #7589b8;
    --primary-light: #a2b3d6;
    --secondary-color: #9b88b4;
    
    /* 輔助色 */
    --success-color: #48bb78;
    --warning-color: #f6ad55;
    --danger-color: #fc8181;
    --info-color: #63b3ed;
    
    /* 中性色 */
    --dark: #2d3748;
    --gray-dark: #4a5568;
    --gray: #718096;
    --gray-light: #cbd5e0;
    --light: #f7fafc;
    --white: #ffffff;
    
    /* 陰影 */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px 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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* 整體背景 */
body {
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(139, 157, 195, 0.05) 0%, rgba(155, 136, 180, 0.05) 100%);
    z-index: -1;
}

/* 導覽列美化 */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    border: none;
    padding: 0.5rem 0;
    position: relative;
    z-index: 1030;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.2rem;
    letter-spacing: -0.5px;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: translateX(5px);
}

.navbar-brand i {
    background: linear-gradient(45deg, #fff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-right: 8px;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #fff, transparent);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover {
    color: #fff !important;
    transform: translateY(-2px);
}

.nav-link:hover::after {
    width: 80%;
}

.dropdown-menu {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(102, 126, 234, 0.1);
    box-shadow: var(--shadow-xl);
    border-radius: 12px;
    padding: 0.5rem;
    z-index: 1050 !important;
}

.dropdown-item {
    border-radius: 8px;
    transition: all 0.2s ease;
    font-weight: 500;
}

.dropdown-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    transform: translateX(5px);
}

/* 主要內容區 */
.container {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* 卡片美化 */
.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 157, 195, 0.1);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(139, 157, 195, 0.2);
}

.card-header {
    background: linear-gradient(135deg, rgba(139, 157, 195, 0.05), rgba(155, 136, 180, 0.05));
    border-bottom: 1px solid rgba(139, 157, 195, 0.1);
    font-weight: 600;
    padding: 1rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    color: var(--dark);
    font-weight: 700;
    margin-bottom: 1rem;
}

/* 統計卡片 */
.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.3; }
}

.stat-card .display-4 {
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 按鈕美化 */
.btn {
    border-radius: 10px;
    font-weight: 600;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    box-shadow: 0 4px 15px rgba(139, 157, 195, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-color));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 157, 195, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #38a169);
    box-shadow: 0 4px 15px rgba(72, 187, 120, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #f56565);
    box-shadow: 0 4px 15px rgba(252, 129, 129, 0.3);
}

.btn-outline-primary {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-color: transparent;
    color: white;
}

/* 表格美化 */
.table {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    overflow: hidden;
}

.table thead th {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-bottom: 2px solid rgba(102, 126, 234, 0.2);
    font-weight: 600;
    color: var(--dark);
    padding: 1rem;
}

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

.table tbody tr:hover {
    background: rgba(102, 126, 234, 0.05);
    transform: scale(1.01);
}

/* 標籤美化 */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.bg-success {
    background: linear-gradient(135deg, #48bb78, #38a169) !important;
}

.bg-danger {
    background: linear-gradient(135deg, #fc8181, #f56565) !important;
}

.bg-info {
    background: linear-gradient(135deg, #63b3ed, #4299e1) !important;
}

.bg-warning {
    background: linear-gradient(135deg, #f6ad55, #ed8936) !important;
}

/* 表單美化 */
.form-control, .form-select {
    border-radius: 10px;
    border: 2px solid rgba(139, 157, 195, 0.15);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(139, 157, 195, 0.25);
    background: white;
}

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

/* 警告框美化 */
.alert {
    border-radius: 12px;
    border: none;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-md);
}

.alert-success {
    background: linear-gradient(135deg, rgba(72, 187, 120, 0.1), rgba(56, 161, 105, 0.1));
    color: #22543d;
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(252, 129, 129, 0.1), rgba(245, 101, 101, 0.1));
    color: #742a2a;
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background: linear-gradient(135deg, rgba(99, 179, 237, 0.1), rgba(66, 153, 225, 0.1));
    color: #2c5282;
    border-left: 4px solid var(--info-color);
}

/* 登入頁面特殊樣式 */
.login-container {
    min-height: calc(100vh - 76px);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 儀表板統計動畫 */
.stat-number {
    animation: countUp 1s ease-out;
}

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

/* 圖表容器 */
.chart-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
}

/* 載入動畫 */
.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3rem;
}

/* 響應式調整 */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .card {
        margin-bottom: 1rem;
        border-radius: 12px;
    }
    
    .btn {
        font-size: 0.9rem;
        padding: 0.4rem 1rem;
    }
}

/* 捲軸美化 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(102, 126, 234, 0.1);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-color));
}

/* 頁面過渡動畫 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Line Bot 卡片特殊樣式 */
.linebot-card {
    position: relative;
    overflow: hidden;
}

.linebot-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(0, 195, 0, 0.1), rgba(0, 195, 0, 0.05));
    border-radius: 50%;
    transform: translate(30px, -30px);
}

/* 配額進度條 */
.progress {
    height: 10px;
    border-radius: 5px;
    background: rgba(102, 126, 234, 0.1);
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    animation: progressAnimation 1s ease-out;
}

@keyframes progressAnimation {
    from {
        width: 0;
    }
}