/* ============================================
    软件后台 - 自定义结构样式
    设计令牌（CSS 变量）仅定义在主题 CSS 中
    位于 assets/css/themes/ 目录下
    ============================================ */

/* ========== 全局样式调整 ========== */
* {
    box-sizing: border-box;
}

html {
    overflow-y: scroll;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", 
                 "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", 
                 Helvetica, Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 主内容区 */
.main-content {
    flex: 1 0 auto;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* 链接颜色 */
a {
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    opacity: 0.85;
}

/* ========== 导航栏样式 ========== */
:root {
    --bg-surface: #ffffff;
    --bg-surface-hover: #f3f4f6;
    --bg-table-header: #f9fafb;
    --text-description: #6b7280;
    --text-primary: #333333;
    --border-default: #d1d5db;
    --navbar-bg: var(--color-primary);
    --navbar-link-hover-light: rgba(0, 0, 0, 0.7);
    --navbar-active-indicator-light: #333333;
}

/* 导航栏背景跟随主题（覆盖 Bootstrap bg-primary） */
.navbar.bg-primary {
    background: var(--navbar-bg);
}

.navbar {
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
}

.navbar-brand {
    font-size: 1.35rem;
    letter-spacing: 0.5px;
}

.navbar-brand i {
    font-size: 1.5rem;
}

.navbar .nav-link {
    padding-left: 0.9rem !important;
    padding-right: 0.9rem !important;
    font-weight: 500;
    position: relative;
    transition: all 0.2s ease;
}

.navbar .nav-link:hover {
    color: var(--navbar-link-hover);
}
.navbar[data-bs-theme="light"] .nav-link:hover {
    color: var(--navbar-link-hover-light);
}

.navbar .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background-color: var(--navbar-active-indicator);
    border-radius: 2px;
}
.navbar[data-bs-theme="light"] .nav-link.active::after {
    background-color: var(--navbar-active-indicator-light);
}

/* 下拉菜单 */
.navbar .dropdown-menu {
    border: none;
    box-shadow: var(--shadow-dropdown);
    border-radius: 0.5rem;
    margin-top: 0.5rem;
}

.navbar .dropdown-item {
    padding: 0.6rem 1.2rem;
    font-size: 0.92rem;
    transition: all 0.15s ease;
}

.navbar .dropdown-item:hover {
    background-color: var(--color-primary-bg-hover);
    color: var(--color-primary);
}

.navbar .dropdown-item i {
    width: 1.2rem;
    display: inline-block;
}

/* 移动端菜单 */
@media (max-width: 991.98px) {
    .navbar .nav-link.active::after {
        display: none;
    }
    
    .navbar .nav-link {
        padding-top: 0.6rem !important;
        padding-bottom: 0.6rem !important;
    }
    
    .navbar .btn {
        margin-top: 0.5rem;
        margin-bottom: 0.5rem;
    }
}

/* 导航栏内按钮与 nav-link 高度对齐 */
.navbar .nav-item > .btn-sm {
    padding-top: 0.375rem;
    padding-bottom: 0.375rem;
}

/* ========== 卡片样式 ========== */
.card {
    border: none;
    border-radius: 0.75rem;
    /* 裁剪内容到圆角内：card-body p-0 里的表格/列表有背景时会顶到直角，需裁掉 */
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.2s ease;
}

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

.card-header {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-light);
    border-top-left-radius: 0.75rem !important;
    border-top-right-radius: 0.75rem !important;
    padding: 1rem 1.25rem;
    font-weight: 600;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    background-color: var(--bg-card-footer);
    border-top: 1px solid var(--border-light);
    border-bottom-left-radius: 0.75rem !important;
    border-bottom-right-radius: 0.75rem !important;
    padding: 0.85rem 1.25rem;
}

/* ========== 按钮样式 ========== */

/* 密码显示/隐藏切换按钮（覆盖 bootstrap btn-outline-secondary，确保各主题可读） */
.toggle-password {
    color: var(--text-secondary);
    border-color: var(--border-input) !important;
    background: var(--bg-input);
    border-top-right-radius: 0.5rem !important;
    border-bottom-right-radius: 0.5rem !important;
    border-left: none !important;
}

.toggle-password:hover {
    color: var(--text-primary);
    background: var(--bg-surface-hover);
    border-color: var(--border-default) !important;
}

/* 加载动画 */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.spin {
    animation: spin 1s linear infinite;
}

/* ========== 充值按钮外圈顺时针绕行光圈 ========== */
/* 框静止不动，只让渐变角度变化，光弧沿框边绕行 */
@property --glow-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

.btn-glow {
    position: relative;
    isolation: isolate;
}

/* 静止的外圈描边（框不动） */
.btn-glow::before {
    content: "";
    position: absolute;
    inset: -3px;
    border-radius: inherit;
    padding: 2px;
    background: var(--color-primary);
    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    opacity: 0.3;
    z-index: -1;
}

/* 绕框跑的光效（两个对称光点，180° 对面，仅角度变化，匀速） */
.btn-glow::after {
    content: "";
    position: absolute;
    inset: -3px;
    border-radius: inherit;
    padding: 2px;
    background: conic-gradient(from var(--glow-angle),
        transparent 0deg,
        var(--color-primary) 20deg,
        rgba(255, 255, 255, 0.95) 30deg,
        var(--color-primary) 40deg,
        transparent 60deg,
        transparent 180deg,
        var(--color-primary) 200deg,
        rgba(255, 255, 255, 0.95) 210deg,
        var(--color-primary) 220deg,
        transparent 240deg,
        transparent 360deg);
    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    z-index: -1;
    animation: glow-spin 2.5s linear infinite;
}

@keyframes glow-spin {
    to { --glow-angle: 360deg; }
}

@media (prefers-reduced-motion: reduce) {
    .btn-glow::after {
        animation: none;
    }
}

.quick-entry-btn {
    border: 1px solid var(--border-input) !important;
    background: var(--bg-surface) !important;
    color: var(--text-quick-entry) !important;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
}

.quick-entry-btn:hover {
    background: var(--color-primary) !important;
    color: var(--text-inverse) !important;
    border-color: var(--color-primary) !important;
}

.quick-entry-btn:focus {
    outline: none;
    box-shadow: none;
}

/* 按钮禁用状态 */
.btn:disabled {
    transform: none;
    box-shadow: none;
}

/* ========== 登录注册页面样式 ========== */
.auth-page {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    border-radius: 1rem;
    overflow: hidden;
}

.auth-card .card-header {
    text-align: center;
    padding: 1.5rem;
    background: var(--gradient-primary);
    color: var(--text-inverse);
    border: none;
}

.auth-card .card-header h3 {
    margin: 0;
    font-weight: 600;
}

.auth-card .card-header p {
    margin: 0.3rem 0 0;
    opacity: 0.85;
    font-size: 0.9rem;
}

.auth-card .card-body {
    padding: 1.75rem;
}

.auth-card .form-label {
    font-weight: 500;
    color: var(--text-label);
    margin-bottom: 0.4rem;
}

.auth-card .form-control {
    padding: 0.6rem 0.9rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-default);
    transition: all 0.2s ease;
}

.auth-card .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem var(--color-primary-light);
}

.auth-card .input-group-text {
    background-color: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: 0.5rem 0 0 0.5rem;
}

.auth-card .btn-submit {
    width: 100%;
    padding: 0.7rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0.5rem;
}

.auth-card .auth-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.auth-card .auth-links a {
    color: var(--color-primary);
}

.auth-card .auth-divider {
    text-align: center;
    margin: 1.2rem 0;
    position: relative;
}

.auth-card .auth-divider::before,
.auth-card .auth-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background-color: var(--border-light);
}

.auth-card .auth-divider::before {
    left: 0;
}

.auth-card .auth-divider::after {
    right: 0;
}

.auth-card .auth-divider span {
    background-color: var(--bg-surface);
    padding: 0 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* 验证码输入框 */
.verify-code-input .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.verify-code-input .btn-send-code {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    white-space: nowrap;
}

/* 记住我复选框 */
.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* ========== 页脚样式 ========== */
.footer {
    flex-shrink: 0;
    margin-top: auto;
}

.footer a:hover {
    color: var(--footer-link-hover) !important;
    opacity: 0.9;
}

/* ========== Toast 消息提示 ========== */
.toast {
    border: none;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-toast);
    min-width: 300px;
    max-width: 420px;
    font-size: 1rem;
    line-height: 1.5;
}

.toast-success {
    background-color: var(--color-success);
    color: var(--text-inverse);
}

.toast-error {
    background-color: var(--color-danger);
    color: var(--text-inverse);
}

.toast-warning {
    background-color: var(--color-warning);
    color: var(--color-warning-text);
}

.toast-info {
    background-color: var(--color-info);
    color: var(--text-inverse);
}

.toast .toast-header {
    border: none;
    background: transparent;
    color: inherit;
}

.toast .toast-body {
    padding: 0.75rem 0.5rem;
    display: flex;
    align-items: center;
}

.toast .toast-body .bi {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.toast .btn-close {
    flex-shrink: 0;
}

/* ========== 首页欢迎区域 ========== */
.welcome-section {
    padding: 4rem 0;
    text-align: center;
}

.welcome-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-welcome);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-section p {
    font-size: 1.1rem;
    color: var(--text-description);
    margin-bottom: 2rem;
}

.welcome-section .btn-group {
    gap: 0.75rem;
}

/* 用户已登录的欢迎区域 */
.user-welcome {
    padding: 2rem 0;
}

.user-welcome .card {
    background: var(--gradient-user-welcome);
    color: var(--text-inverse);
    border: none;
}

.user-welcome .card-body {
    padding: 2rem;
}

/* ========== 响应式优化 ========== */
@media (max-width: 768px) {
    /* 移动端首页 */
    .welcome-section {
        padding: 2rem 0;
    }
    
    .welcome-section h1 {
        font-size: 1.8rem;
    }
    
    .welcome-section p {
        font-size: 1rem;
    }
    
    /* 移动端卡片 */
    .card-body {
        padding: 1rem;
    }
    
    /* 移动端认证页面 */
    .auth-page {
        padding: 1rem 0.75rem;
        min-height: auto;
    }
    
    .auth-card .card-body {
        padding: 1.25rem;
    }
    
    .auth-card .card-header {
        padding: 1.25rem 1rem;
    }
    
    .auth-card .card-header h3 {
        font-size: 1.4rem;
    }
    
    /* 移动端按钮 */
    .btn {
        padding: 0.5rem 1rem;
    }
    
    /* 移动端导航 */
    .navbar-brand {
        font-size: 1.15rem;
    }
    
    /* 移动端页脚 */
    .footer {
        text-align: center;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    
    .main-content {
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
    }
}

/* ========== 通用工具类 ========== */
.text-ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-ellipsis-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cursor-pointer {
    cursor: pointer;
}

.transition-all {
    transition: all 0.2s ease;
}

/* 隐藏横向滚动条，防止手机端出现 */
html, body {
    overflow-x: hidden;
    max-width: 100%;
}

/* ========== 主题切换样式 ========== */
.theme-switcher .dropdown-item.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.theme-switcher .dropdown-item.active i {
    color: var(--color-primary);
}

/* ========== 首页快捷入口 ========== */
.quick-entry-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

/* ========== 首页自定义HTML内容样式 ========== */
.home-html-content {
    line-height: 1.8;
    color: var(--text-primary);
}

.home-html-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
}

.home-html-content h1,
.home-html-content h2,
.home-html-content h3,
.home-html-content h4 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.home-html-content p {
    margin-bottom: 1rem;
}

.home-html-content a {
    color: var(--color-primary);
    text-decoration: none;
}

.home-html-content a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.home-html-content ul,
.home-html-content ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.home-html-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: 1rem;
    margin: 1rem 0;
    color: var(--text-description);
    background-color: var(--bg-body);
    padding: 1rem;
    border-radius: 0 0.5rem 0.5rem 0;
}

/* ========== 后台通用样式（侧边栏/顶栏/统计卡片/表格等由 admin_header.html.php 提供） ========== */

/* ========== 备份恢复卡片样式 ========== */
.backup-card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    height: 100%;
}

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

.backup-card .card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.backup-card .backup-icon {
    width: 56px;
    height: 56px;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--text-inverse);
    margin-bottom: 1rem;
}

.backup-card .card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 0.5rem;
}

.backup-card .card-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    flex-grow: 1;
    margin-bottom: 1rem;
}

.backup-card .btn {
    width: 100%;
}

.backup-file-input {
    display: none;
}

/* ========== 主题工具类 ========== */
.bg-theme-muted {
    background-color: var(--bg-surface-hover);
}

/* ========== 表单控件全局主题适配 ========== */
/* Bootswatch 暗色主题（darkly/cyborg/slate/quartz）会把 .form-control/.form-select/
   textarea 硬编码为白底（background:#fff + color:#303030），即便 html 带
   data-bs-theme="dark" 也不会回退成深色，导致深色页面里编辑框残留白色、文字发灰。
   这里统一改用设计令牌，编辑框随主题明暗联动（暗色主题→深底浅字，亮色主题→浅底深字）。 */
.form-control,
.form-select,
textarea,
input[type="text"], input[type="search"], input[type="email"], input[type="password"],
input[type="number"], input[type="tel"], input[type="url"], input[type="date"],
input[type="datetime-local"], input[type="month"], input[type="week"], input[type="time"] {
    background-color: var(--bg-input) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-input) !important;
}

.form-control:focus,
.form-select:focus,
textarea:focus {
    background-color: var(--bg-input) !important;
    color: var(--text-primary) !important;
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 0.25rem var(--color-primary-light) !important;
}

.form-control::placeholder,
textarea::placeholder {
    color: var(--text-secondary);
    opacity: 1;
}

/* .form-select 下拉箭头跟随文字色，避免暗色主题下箭头因硬编码颜色而看不见 */
.form-select {
    --bs-form-select-bg-img: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='currentColor' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

.input-group-text {
    background-color: var(--bg-input) !important;
    color: var(--text-secondary) !important;
    border-color: var(--border-input) !important;
}

.form-check-input {
    background-color: var(--bg-input) !important;
    border-color: var(--border-input) !important;
}

.form-check-input:checked {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
}

/* ========== 表格标头全局主题适配 ========== */
/* 各页面用 <thead class="table-light"> 当标头，Bootstrap 的 .table-light 会把表头
   强制成亮色（darkly 暗色主题下是 #adb5bd 灰底 + 白字，对比度极差）。
   这里改由主题令牌驱动：暗色主题→深底浅字，亮色主题→浅底深字，随主题联动。 */
.table-light,
.table-light > th,
.table-light > td,
.table > :not(caption) > * > .table-light,
.table-light th,
.table-light td {
    --bs-table-bg: var(--bg-table-header) !important;
    --bs-table-color: var(--text-primary) !important;
    --bs-table-border-color: var(--border-default) !important;
    background-color: var(--bg-table-header) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-default) !important;
}

/* ========== 文章内容区通用样式 ========== */
.article-content {
    line-height: 1.8;
    font-size: 1rem;
}
.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.375rem;
}
.article-content h1, .article-content h2, .article-content h3,
.article-content h4, .article-content h5, .article-content h6 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}
.article-content p {
    margin-bottom: 1rem;
}
.article-content ul, .article-content ol {
    margin-bottom: 1rem;
}
.article-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: 1rem;
    margin: 1rem 0;
    color: var(--text-description);
}
.article-content code {
    background: var(--bg-surface);
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-size: 0.9em;
    color: var(--text-primary);
}
.article-content pre {
    background: var(--bg-surface);
    padding: 1rem;
    border-radius: 0.375rem;
    overflow-x: auto;
}
.article-content pre code {
    padding: 0;
    background: transparent;
}
.article-content table {
    width: 100%;
    margin-bottom: 1rem;
    border-collapse: collapse;
}
.article-content table th,
.article-content table td {
    padding: 0.75rem;
    border: 1px solid var(--border-default);
}
.article-content table th {
    background: var(--bg-table-header);
    font-weight: 600;
}

/* ========== 文章内容区 - 内联色 ========== */
.article-content blockquote {
    background-color: var(--bg-surface);
    padding: 1rem;
    border-radius: 0 0.5rem 0.5rem 0;
}