/* ============================================================
 * 游戏CMS导航站系统 - 后台样式  By 青酒 9664985
 * 亮色简洁风：白底 + 单一主色 + 中性灰
 * ============================================================ */

:root {
    --primary: #2b7fea;
    --primary-hover: #1e6fd9;
    --primary-light: #e8f1fd;
    --danger: #d9504a;

    --bg-body: #f5f6f8;
    --bg-card: #ffffff;
    --bg-sidebar: #ffffff;
    --bg-topbar: #ffffff;
    --bg-input: #ffffff;
    --bg-hover: #f0f2f5;
    --bg-thead: #fafbfc;

    --text-primary: #1f2329;
    --text-secondary: #646a73;
    --text-muted: #8f959e;

    --border-color: #e5e6eb;
    --border-light: #f0f1f5;

    --sidebar-width: 220px;
    --topbar-height: 56px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
}

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

code {
    background: var(--bg-hover);
    color: var(--text-primary);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: "Consolas", "Monaco", monospace;
    font-size: 0.9em;
}

/* ========== 应用骨架 ========== */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* 顶栏 */
.app-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-height);
    background: var(--bg-topbar);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 1000;
}

.topbar-brand {
    display: flex;
    align-items: center;
}
.topbar-brand a {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
}
.topbar-brand a:hover { color: var(--primary); text-decoration: none; }
.topbar-brand a i { color: var(--primary); margin-right: 6px; }

.topbar-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 13px;
}

.user-name { color: var(--text-primary); font-weight: 500; }

.btn-logout {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}
.btn-logout:hover {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
    text-decoration: none;
}

/* 侧边栏 */
.app-sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    padding: 12px 0;
    overflow-y: auto;
}

.app-sidebar .nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.2s;
    font-size: 14px;
    margin: 2px 8px;
    border-radius: 6px;
}
.app-sidebar .nav-link i {
    font-size: 16px;
    width: 18px;
    text-align: center;
}
.app-sidebar .nav-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    text-decoration: none;
}
.app-sidebar .nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 500;
}

/* 主内容区 */
.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    margin-top: var(--topbar-height);
    padding: 24px;
    min-height: calc(100vh - var(--topbar-height));
}

/* ========== 页面头部 ========== */
.page-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.page-title {
    font-size: 20px;
    margin: 0;
    color: var(--text-primary);
    font-weight: 600;
}
.btn-add-new {
    background: var(--primary) !important;
    color: #fff !important;
    border: none !important;
    font-weight: 500;
}
.btn-add-new:hover {
    background: var(--primary-hover) !important;
    color: #fff !important;
}

/* ========== 卡片 ========== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    margin-bottom: 16px;
}
.card-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 16px;
    font-weight: 500;
}
.card-body { padding: 16px; }

/* ========== 欢迎卡片 ========== */
.welcome-card .card-body {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
}
.welcome-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 600;
    flex-shrink: 0;
}
.welcome-info h2 {
    margin: 0 0 6px 0;
    font-size: 18px;
    color: var(--text-primary);
    font-weight: 600;
}
.welcome-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 13px;
}

/* ========== 统计卡片 ========== */
.stats-row { margin-bottom: 16px; }
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}
.stat-card .card-body {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px;
}
.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    background: var(--primary-light);
    color: var(--primary);
}
.stat-games .stat-icon { background: rgba(220, 53, 69, 0.12); color: #dc3545; }
.stat-articles .stat-icon { background: rgba(13, 110, 253, 0.12); color: #0d6efd; }
.stat-menus .stat-icon { background: rgba(25, 135, 84, 0.12); color: #198754; }
.stat-num {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1;
}
.stat-label {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 4px;
}

/* ========== 快捷操作 ========== */
.quick-actions .card-header h5 { font-size: 15px; }
.action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 20px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    height: 100%;
}
.action-card i { font-size: 24px; color: var(--primary); }
.action-card span { font-size: 13px; }
.action-card:hover {
    background: var(--bg-hover);
    color: var(--primary);
    border-color: var(--primary);
    text-decoration: none;
}

/* ========== 链接箭头 ========== */
.link-arrow {
    font-size: 13px;
    color: var(--primary);
    text-decoration: none;
}
.link-arrow:hover { color: var(--primary-hover); }

/* ========== 最近列表 ========== */
.recent-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.recent-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
}
.recent-list li:last-child { border-bottom: none; }
.recent-title { color: var(--text-primary); }
.recent-time { color: var(--text-muted); font-size: 12px; }

/* ========== 空状态 ========== */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}
.empty-state i { font-size: 36px; margin-bottom: 8px; display: block; color: var(--text-muted); }
.empty-state p { margin-bottom: 12px; }

/* ========== 占位块 ========== */
.placeholder-block {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}
.placeholder-block i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 16px;
    display: block;
}
.placeholder-block h4 {
    color: var(--text-primary);
    margin-bottom: 12px;
}
.placeholder-block ul {
    display: inline-block;
    text-align: left;
    margin: 12px auto;
    color: var(--text-secondary);
}

/* ========== Bootstrap 表单覆盖 ========== */
.form-control, .form-select {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
}
.form-control:focus, .form-select:focus {
    background: var(--bg-input);
    border-color: var(--primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(43, 127, 234, 0.12);
}
.form-control::placeholder { color: var(--text-muted); }
.form-label, label { color: var(--text-primary); font-weight: 500; }
.form-text { color: var(--text-muted); font-size: 12px; }
.form-check-label { color: var(--text-secondary); font-weight: 400; }
.input-group-text {
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* ========== Bootstrap 表格覆盖 ========== */
.table {
    color: var(--text-primary);
    border-color: var(--border-color);
    margin-bottom: 0;
}
.table > :not(caption) > * > * {
    background: transparent;
    border-bottom-color: var(--border-color);
    padding: 12px;
    color: var(--text-primary);
    vertical-align: middle;
}
.table thead th {
    background: var(--bg-thead);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 500;
    text-align: left;
    font-size: 13px;
}
.table-striped > tbody > tr:nth-of-type(odd) > * {
    background: var(--bg-thead);
}
.table-hover > tbody > tr:hover > * {
    background: var(--primary-light);
}
.table tbody tr td {
    color: var(--text-primary);
}

/* ========== Bootstrap 按钮覆盖 ========== */
.btn { border-radius: 6px; font-weight: 500; }
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #fff;
}
.btn-secondary, .btn-light {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}
.btn-secondary:hover, .btn-light:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-color);
}
.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
    background: transparent;
}
.btn-outline-primary:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-outline-danger {
    color: var(--danger);
    border-color: var(--danger);
    background: transparent;
}
.btn-outline-danger:hover {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}
.btn-danger { background: var(--danger); border-color: var(--danger); }
.btn-success { background: #34a853; border-color: #34a853; }

/* ========== 徽章 ========== */
.badge { font-weight: 500; padding: 4px 8px; border-radius: 4px; }
.badge.bg-success { background: rgba(52, 168, 83, 0.12) !important; color: #2d8e44; }
.badge.bg-secondary { background: var(--bg-hover) !important; color: var(--text-secondary); }
.badge.bg-warning { background: rgba(252, 186, 25, 0.18) !important; color: #b07c00; }
.badge.bg-danger { background: rgba(217, 80, 74, 0.12) !important; color: var(--danger); }
.badge.bg-primary { background: var(--primary-light) !important; color: var(--primary); }

/* ========== Alert ========== */
.alert {
    border-radius: 6px;
    border: 1px solid transparent;
    padding: 12px 16px;
}
.alert-success {
    background: rgba(52, 168, 83, 0.08);
    border-color: rgba(52, 168, 83, 0.3);
    color: #2d8e44;
}
.alert-danger {
    background: rgba(217, 80, 74, 0.08);
    border-color: rgba(217, 80, 74, 0.3);
    color: var(--danger);
}
.alert-warning {
    background: rgba(252, 186, 25, 0.1);
    border-color: rgba(252, 186, 25, 0.4);
    color: #b07c00;
}

/* ========== Modal ========== */
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
}
.modal-header {
    border-bottom-color: var(--border-color);
}
.modal-footer {
    border-top-color: var(--border-color);
}
.modal-title { color: var(--text-primary); font-weight: 600; }
.modal-backdrop.show { opacity: 0.4; }

/* ========== 文档内容 ========== */
.doc-content h3 {
    color: var(--text-primary);
    margin-top: 24px;
    margin-bottom: 12px;
    font-size: 17px;
    font-weight: 600;
}
.doc-content h3:first-child { margin-top: 0; }
.doc-content hr {
    border-color: var(--border-color);
    margin: 20px 0;
}
.doc-content p, .doc-content li {
    color: var(--text-secondary);
    line-height: 1.8;
}
.doc-content code {
    background: var(--bg-hover);
    color: var(--text-primary);
    padding: 2px 6px;
    border-radius: 3px;
}
.doc-content pre {
    background: var(--bg-thead);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    color: var(--text-primary);
}
.doc-content pre code {
    background: transparent;
    color: var(--text-primary);
    padding: 0;
}

/* ============================================================
 * 登录 / 注册页样式
 * ============================================================ */
.auth-body {
    background: var(--bg-body);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-wrapper {
    width: 100%;
    max-width: 400px;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.auth-logo {
    font-size: 40px;
    text-align: center;
    margin-bottom: 8px;
}

.auth-title {
    text-align: center;
    color: var(--text-primary);
    font-size: 20px;
    margin: 0 0 4px 0;
    font-weight: 600;
}

.auth-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 24px;
}

.auth-tabs {
    display: flex;
    margin-bottom: 20px;
    background: var(--bg-hover);
    border-radius: 6px;
    padding: 4px;
}
.auth-tab {
    flex: 1;
    text-align: center;
    padding: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s;
}
.auth-tab.active {
    background: var(--bg-card);
    color: var(--primary);
}
.auth-tab:not(.active):hover {
    color: var(--text-primary);
    text-decoration: none;
}

.auth-form .form-group {
    margin-bottom: 16px;
}
.auth-form label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
}
.auth-form label i {
    color: var(--primary);
    margin-right: 4px;
}

.btn-auth-submit {
    width: 100%;
    padding: 11px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 4px;
}
.btn-auth-submit:hover {
    background: var(--primary-hover);
}

.auth-footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 20px;
    margin-bottom: 0;
}

/* ========== 站点设置页 ========== */
.form-actions {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-align: right;
}
.form-actions .btn-lg {
    padding: 10px 32px;
}

.upload-group {
    display: flex;
    gap: 8px;
}
.upload-group .form-control { flex: 1; }
.upload-group .btn-upload { white-space: nowrap; }

.upload-preview {
    margin-top: 10px;
    width: 120px;
    height: 120px;
    border: 1px dashed var(--border-color);
    border-radius: 6px;
    background: var(--bg-thead);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.upload-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.upload-preview-wide {
    width: 100%;
    height: 100px;
}

.code-textarea {
    font-family: "Consolas", "Monaco", monospace;
    font-size: 13px;
    background: var(--bg-input);
    color: var(--text-primary);
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
}
.info-row:last-child { border-bottom: none; }
.info-label {
    color: var(--text-secondary);
    font-size: 13px;
    flex-shrink: 0;
}
.info-value {
    color: var(--text-primary);
    text-align: right;
    word-break: break-all;
}
.break-all { word-break: break-all; }

.download-card .btn-block {
    display: block;
    width: 100%;
    padding: 10px;
    font-size: 15px;
}

.usage-list {
    padding-left: 20px;
    margin: 0;
    color: var(--text-secondary);
    line-height: 2;
}
.usage-list li::marker { color: var(--primary); }

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

.text-danger { color: var(--danger) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-success { color: #2d8e44 !important; }
.text-warning { color: #b07c00 !important; }

/* ========== 顶栏扩展按钮 ========== */
.sidebar-toggle {
    display: none;
    width: 34px;
    height: 34px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    margin-right: 12px;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.sidebar-toggle:hover {
    background: var(--bg-hover);
    color: var(--primary);
    border-color: var(--primary);
}

.btn-view-site {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    text-decoration: none;
    transition: all 0.2s;
}
.btn-view-site:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    text-decoration: none;
}

/* 移动端遮罩 */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 998;
}
.sidebar-backdrop.show { display: block; }

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .sidebar-toggle { display: inline-flex; }
    .app-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
        z-index: 999;
    }
    .app-sidebar.show { transform: translateX(0); }
    .app-main {
        margin-left: 0;
        padding: 16px;
    }
    .topbar-brand a { font-size: 15px; }
    .welcome-card .card-body { flex-direction: column; text-align: center; }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ========== 滚动条 ========== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: #cfd2d8; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================================
 * 文章编辑器兜底样式（Summernote 未加载时）
 * ============================================================ */
#articleContent {
    width: 100%;
    min-height: 300px;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
    resize: vertical;
}
/* Summernote 编辑器样式微调 */
.note-editor.note-frame .note-editing-area .note-editable {
    min-height: 300px;
    color: #212529;
}
.note-editor.note-frame {
    border-radius: 4px;
}