/**
 * 金融客戶管理系統 - 主樣式表
 * 設計原則：無圓角、無漸層、專業感
 */

/* ===== 全域設定 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    border-radius: 0 !important; /* 全站禁止圓角 */
}

body {
    font-family: "Microsoft JhengHei", "PingFang TC", sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333333;
    background-color: #f5f5f5;
}

/* ===== 色彩定義 ===== */
:root {
    --primary: #1a365d;
    --bg-page: #f5f5f5;
    --bg-card: #ffffff;
    --border: #cccccc;
    --text-primary: #333333;
    --text-secondary: #666666;
    --success: #2d6a4f;
    --warning: #b8860b;
    --danger: #9b2226;
}

/* ===== 版面配置 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.wrapper {
    display: flex;
    min-height: 100vh;
}

/* ===== 側邊選單 ===== */
.sidebar {
    width: 250px;
    background-color: var(--primary);
    color: #ffffff;
    padding: 0;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background-color: rgba(0,0,0,0.2);
}

.sidebar-header h3 {
    font-size: 18px;
    font-weight: bold;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-menu a {
    display: block;
    padding: 15px 20px;
    color: #ffffff;
    text-decoration: none;
    transition: background-color 0.2s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background-color: rgba(0,0,0,0.2);
}

.sidebar-menu i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* ===== 主內容區 ===== */
.main-content {
    margin-left: 250px;
    flex: 1;
    padding: 20px;
    background-color: var(--bg-page);
}

/* ===== 頁首 ===== */
.page-header {
    background-color: var(--bg-card);
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-header h1 {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary);
}

.page-header .actions {
    display: flex;
    gap: 10px;
}

/* ===== 卡片 ===== */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
}

/* ===== 按鈕 ===== */
.btn {
    display: inline-block;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: normal;
    text-align: center;
    text-decoration: none;
    border: 1px solid var(--border);
    background-color: #ffffff;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.btn:hover {
    background-color: #e8e8e8;
}

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

.btn-primary:hover {
    background-color: #0f2847;
}

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

.btn-success:hover {
    background-color: #1f5a3d;
}

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

.btn-danger:hover {
    background-color: #7a1a1d;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-block {
    display: block;
    width: 100%;
}

/* ===== 表格 ===== */
table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-card);
}

table thead {
    background-color: #e8e8e8;
}

table th,
table td {
    padding: 12px;
    text-align: left;
    border: 1px solid var(--border);
}

table th {
    font-weight: bold;
    color: var(--primary);
}

table tr:hover {
    background-color: #f9f9f9;
}

/* ===== 表單 ===== */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid var(--border);
    background-color: #ffffff;
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

/* ===== 訊息提示 ===== */
.alert {
    padding: 12px 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
}

.alert-success {
    background-color: #d4edda;
    border-color: var(--success);
    color: var(--success);
}

.alert-danger {
    background-color: #f8d7da;
    border-color: var(--danger);
    color: var(--danger);
}

.alert-warning {
    background-color: #fff3cd;
    border-color: var(--warning);
    color: var(--warning);
}

/* ===== 登入頁面 ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-page);
}

.login-box {
    width: 400px;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    padding: 40px;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary);
}

/* ===== 統計卡片 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    padding: 20px;
}

.stat-card h3 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.stat-card .value {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary);
}

/* ===== 分頁 ===== */
.pagination {
    display: flex;
    gap: 5px;
    justify-content: center;
    margin-top: 20px;
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid var(--border);
    background-color: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
}

.pagination a:hover {
    background-color: #e8e8e8;
}

.pagination .active {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

/* ===== 附件上傳 ===== */
.attachment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.attachment-item {
    border: 1px solid var(--border);
    padding: 10px;
    text-align: center;
    background-color: #fafafa;
}

.attachment-item img {
    max-width: 100%;
    height: auto;
    margin-bottom: 10px;
}

.attachment-item .btn {
    margin: 5px 0;
}

/* ===== 漢堡選單按鈕 ===== */
.hamburger {
    display: none;
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 1001;
    background-color: var(--primary);
    color: #ffffff;
    border: none;
    padding: 10px 14px;
    font-size: 20px;
    cursor: pointer;
}

.hamburger:hover {
    background-color: #0f2847;
}

/* ===== 側邊選單遮罩 ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.sidebar-overlay.open {
    display: block;
}

/* ===== 響應式 - 平板 ===== */
@media (max-width: 1024px) {
    .hamburger {
        display: block;
    }
    
    .sidebar {
        transform: translateX(-250px);
        z-index: 1000;
        transition: transform 0.3s ease;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding-top: 60px;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .page-header .actions {
        flex-wrap: wrap;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== 響應式 - 手機 ===== */
@media (max-width: 768px) {
    .main-content {
        padding: 60px 10px 10px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    .card {
        padding: 15px;
    }
    
    .page-header {
        padding: 15px;
    }
    
    .page-header h1 {
        font-size: 20px;
    }
    
    .login-box {
        width: 90%;
        padding: 25px;
    }
    
    .btn {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .attachment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== 響應式 - 小手機 ===== */
@media (max-width: 480px) {
    .page-header .actions {
        width: 100%;
    }
    
    .page-header .actions .btn {
        flex: 1;
        text-align: center;
    }
    
    .attachment-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 公共樣式 ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.hidden { display: none; }