/* ===== 全局变量（亮色主题） ===== */
:root {
    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --color-primary-light: #6366f1;
    --color-primary-bg: rgba(79, 70, 229, 0.06);
    --color-bg: #f1f5f9;
    --color-bg-card: #ffffff;
    --color-bg-nav: #ffffff;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-success: #16a34a;
    --color-danger: #dc2626;
    --color-warning: #d97706;
    --radius-lg: 14px;
    --radius-md: 10px;
    --radius-sm: 6px;
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
    --shadow-card-hover: 0 4px 24px rgba(79, 70, 229, 0.1), 0 1px 3px rgba(0, 0, 0, 0.06);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 全局样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 背景装饰 */
body::before {
    content: '';
    position: fixed;
    top: -30%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    bottom: -20%;
    left: -15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

/* ===== 导航栏 ===== */
.bg-nav {
    background: var(--color-bg-nav) !important;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.05);
}

.navbar-brand {
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    color: var(--color-primary) !important;
    font-weight: 700;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: scale(1.02);
    color: var(--color-primary-dark) !important;
}

.brand-icon {
    font-size: 1.3rem;
}

/* 覆盖 navbar-dark 文字颜色 */
.navbar-dark .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(100,116,139,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-dark .navbar-toggler {
    border-color: var(--color-border);
}

.nav-link {
    color: var(--color-text-muted) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    margin: 0 0.15rem;
    font-size: 0.92rem;
}

.nav-link:hover {
    color: var(--color-primary) !important;
    background: var(--color-primary-bg);
}

.nav-link.active {
    color: #fff !important;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
}

.nav-icon {
    font-size: 1rem;
    margin-right: 0.15rem;
}

/* ===== 主内容 ===== */
.main-content {
    padding-top: 90px;
    padding-bottom: 40px;
    min-height: 100vh;
}

/* ===== 页面标题 ===== */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

.page-subtitle {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ===== 卡片样式 ===== */
.glass-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.glass-card:hover {
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(79, 70, 229, 0.18);
}

/* ===== 搜索区域 ===== */
.search-card {
    max-width: 700px;
    margin: 0 auto;
}

.search-input-group {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.search-input-group .input-group-text {
    background: #f8fafc;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding-left: 1.25rem;
}

.search-input-group .form-control {
    background: #f8fafc;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 1rem;
    padding: 0.85rem 1rem;
    transition: var(--transition);
}

.search-input-group .form-control:focus {
    background: #fff;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    color: var(--color-text);
}

.search-input-group .form-control::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.btn-search {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border: none;
    padding: 0.85rem 2rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: #fff;
    transition: var(--transition);
}

.btn-search:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
    color: #fff;
}

/* ===== 结果区域 ===== */
.result-card {
    max-width: 700px;
    margin: 0 auto;
}

.result-icon {
    font-size: 1.2rem;
}

.result-item {
    background: var(--color-primary-bg);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-align: center;
    border: 1px solid rgba(79, 70, 229, 0.08);
    transition: var(--transition);
}

.result-item:hover {
    background: rgba(79, 70, 229, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.08);
}

.result-label {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.result-value {
    color: var(--color-text);
    font-size: 1.05rem;
    font-weight: 600;
    word-break: break-all;
}

.empty-icon {
    font-size: 3rem;
    opacity: 0.5;
}

/* ===== 表格样式 ===== */
.table {
    color: var(--color-text);
    margin-bottom: 0;
}

.table thead th {
    background: #f8fafc;
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0.75rem;
    white-space: nowrap;
}

.table tbody td {
    border-bottom: 1px solid #f1f5f9;
    padding: 0.85rem 0.75rem;
    vertical-align: middle;
    font-size: 0.9rem;
}

.table-hover tbody tr:hover {
    background: var(--color-primary-bg) !important;
    color: var(--color-text);
}

.password-text {
    background: rgba(79, 70, 229, 0.07);
    color: var(--color-primary);
    padding: 0.2em 0.5em;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

/* ===== 状态标签 ===== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.82rem;
    font-weight: 500;
    padding: 0.3em 0.8em;
    border-radius: 20px;
}

.status-online {
    background: rgba(22, 163, 74, 0.1);
    color: var(--color-success);
}

.status-offline {
    background: rgba(100, 116, 139, 0.1);
    color: var(--color-text-muted);
}

.status-error {
    background: rgba(220, 38, 38, 0.08);
    color: var(--color-danger);
}

/* ===== 按钮样式 ===== */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border: none;
    font-weight: 600;
    color: #fff;
    transition: var(--transition);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
    color: #fff;
}

.btn-add {
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

.status-filter {
    width: auto;
    min-width: 140px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    color: var(--color-text);
    background-color: #fff;
    padding: 0.45rem 2rem 0.45rem 0.75rem;
    transition: var(--transition);
}

.status-filter:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.btn-delete {
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    padding: 0.35rem 0.75rem;
    transition: var(--transition);
}

.btn-delete:hover {
    background: var(--color-danger);
    border-color: var(--color-danger);
    color: #fff;
    transform: scale(1.05);
}

/* ===== 弹窗样式 ===== */
.glass-modal {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.12);
    color: var(--color-text);
}

.glass-modal .modal-title {
    font-weight: 700;
    color: var(--color-text);
}

.glass-modal .form-label {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.88rem;
}

.glass-modal .form-control {
    background: #f8fafc;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.9rem;
    transition: var(--transition);
}

.glass-modal .form-control:focus {
    background: #fff;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    color: var(--color-text);
}

.glass-modal .form-control::placeholder {
    color: var(--color-text-muted);
    opacity: 0.5;
}

.glass-modal .btn-secondary {
    background: #f1f5f9;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

.glass-modal .btn-secondary:hover {
    background: #e2e8f0;
    color: var(--color-text);
}

/* ===== 分页样式 ===== */
.pagination .page-link {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.82rem;
    padding: 0.35rem 0.65rem;
    transition: var(--transition);
}

.pagination .page-link:hover {
    background: var(--color-primary-bg);
    border-color: var(--color-primary-light);
    color: var(--color-primary);
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-color: transparent;
    color: #fff;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
}

.pagination .page-item.disabled .page-link {
    background: transparent;
    border-color: #f1f5f9;
    color: #cbd5e1;
}

/* ===== 动画 ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeInRow {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-row {
    animation: fadeInRow 0.4s ease-out forwards;
    opacity: 0;
}

/* ===== 响应式 ===== */

/* 平板 */
@media (max-width: 992px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 1rem;
    }

    .page-header .d-flex {
        width: 100%;
    }
}

/* 手机端 */
@media (max-width: 768px) {
    .main-content {
        padding-top: 72px;
        padding-bottom: 20px;
    }

    .container {
        padding-left: 12px;
        padding-right: 12px;
    }

    /* 导航栏 */
    .navbar-brand {
        font-size: 1rem;
    }

    .nav-link {
        padding: 0.6rem 1rem !important;
        font-size: 0.9rem;
    }

    /* 页面标题 */
    .page-title {
        font-size: 1.3rem;
    }

    .page-subtitle {
        font-size: 0.82rem;
    }

    .page-header {
        margin-bottom: 1.25rem;
    }

    /* 按钮组和筛选 - 手机端换行 */
    .page-header .d-flex.gap-2 {
        flex-wrap: wrap;
        width: 100%;
    }

    .status-filter {
        flex: 1 1 100%;
        min-width: unset;
    }

    .btn-add {
        flex: 1;
        padding: 0.55rem 1rem;
        font-size: 0.85rem;
    }

    /* 搜索区域 */
    .search-card {
        max-width: 100%;
    }

    .search-input-group {
        display: block !important; /* 彻底禁用 input-group 默认布局 */
        background: transparent !important;
        border: none !important;
    }

    .search-input-group .input-group-text {
        display: none !important; /* 移动端完全隐藏搜索图标，留出空间 */
    }

    .search-input-group .form-control {
        display: block !important;
        width: 100% !important;
        flex: none !important; /* 覆盖 bootstrap 的 flex-grow */
        font-size: 1rem;
        padding: 0.85rem 1.25rem;
        margin-bottom: -1px; /* 使按钮与输入框边框重叠，消除双线 */
        border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
        border: 1px solid var(--color-border) !important;
        height: auto !important;
    }

    .btn-search {
        display: block !important;
        width: 100% !important;
        border-radius: 0 0 var(--radius-md) var(--radius-md) !important;
        padding: 0.85rem 1.5rem;
        letter-spacing: 0.2em;
        font-size: 1.05rem;
    }

    /* 结果区域 */
    .result-card {
        max-width: 100%;
    }

    .result-item {
        padding: 0.9rem 0.75rem;
    }

    .result-label {
        font-size: 0.72rem;
    }

    .result-value {
        font-size: 0.92rem;
    }

    /* 卡片 */
    .glass-card {
        border-radius: var(--radius-md);
    }

    /* 表格 - 手机端卡片化 */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .table thead th {
        padding: 0.7rem 0.5rem;
        font-size: 0.75rem;
    }

    .table tbody td {
        padding: 0.65rem 0.5rem;
        font-size: 0.82rem;
        white-space: nowrap;
    }

    .table tbody td.ps-4 {
        padding-left: 0.5rem !important;
    }

    .table tbody td.pe-4,
    .table thead th.pe-4 {
        padding-right: 0.5rem !important;
    }

    .table thead th.ps-4 {
        padding-left: 0.5rem !important;
    }

    .password-text {
        font-size: 0.78rem;
        padding: 0.15em 0.35em;
    }

    .status-badge {
        font-size: 0.75rem;
        padding: 0.2em 0.55em;
    }

    .btn-delete {
        font-size: 0.75rem;
        padding: 0.3rem 0.55rem;
    }

    /* 分页 - 加大触控区域 */
    .card-footer {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center !important;
    }

    .pagination .page-link {
        padding: 0.45rem 0.75rem;
        font-size: 0.85rem;
        min-width: 36px;
        text-align: center;
    }

    #pageInfo {
        text-align: center;
    }

    /* 弹窗 */
    .modal-dialog {
        margin: 0.75rem;
    }

    .glass-modal {
        border-radius: var(--radius-md);
    }

    .glass-modal .form-control {
        padding: 0.7rem 0.85rem;
        font-size: 0.9rem;
    }

    .glass-modal .modal-body {
        padding: 1rem;
    }

    .glass-modal .modal-footer {
        padding: 0.75rem 1rem;
    }

    /* 空状态 */
    .empty-icon {
        font-size: 2.2rem;
    }
}

/* 超小屏幕 */
@media (max-width: 375px) {
    .main-content {
        padding-top: 66px;
    }

    .page-title {
        font-size: 1.15rem;
    }

    .btn-add {
        font-size: 0.8rem;
        padding: 0.5rem 0.75rem;
    }

    .result-item {
        padding: 0.75rem 0.5rem;
    }

    .result-value {
        font-size: 0.85rem;
    }

    .pagination .page-link {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
        min-width: 32px;
    }
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(79, 70, 229, 0.15);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(79, 70, 229, 0.3);
}