/* ================================
   工具箱页面 - 蓝白主题 (Blue-White Theme)
   支持 data-bs-theme="light" / "dark"
   ================================ */

:root {
    --tools-primary: #3b82f6;
    --tools-primary-light: #60a5fa;
    --tools-primary-dark: #2563eb;
    --tools-secondary: #dbeafe;
    --tools-gradient: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    --tools-gradient-secondary: linear-gradient(135deg, #60a5fa 0%, #dbeafe 100%);
    --tools-gradient-dark: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    --tools-bg: transparent;
    --tools-sidebar-bg: transparent;
    --tools-sidebar-border: #dbeafe;
    --tools-sidebar-shadow: rgba(59, 130, 246, 0.1);
    --tools-card-bg: rgba(255, 255, 255, 0.85);
    --tools-card-border-bg: white;
    --tools-text: #1e293b;
    --tools-text-muted: #64748b;
    --tools-input-bg: white;
    --tools-footer-bg: rgba(255, 255, 255, 0.9);
    --tools-footer-border: rgba(219, 234, 254, 0.5);
    --tools-divider: #e2e8f0;
    --tools-highlight-bg: #eff6ff;
    --tools-nav-item-bg: white;
    --tools-nav-item-text: #2563eb;
    --tools-nav-item-hover-shadow: rgba(59, 130, 246, 0.2);
}

[data-bs-theme="dark"] {
    --tools-primary: #60a5fa;
    --tools-primary-light: #93c5fd;
    --tools-primary-dark: #3b82f6;
    --tools-secondary: #1e3a5f;
    --tools-gradient: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    --tools-gradient-secondary: linear-gradient(135deg, #1e3a5f 0%, #2d4a6f 100%);
    --tools-gradient-dark: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    --tools-bg: transparent;
    --tools-sidebar-bg: transparent;
    --tools-sidebar-border: #1e3a5f;
    --tools-sidebar-shadow: rgba(0, 0, 0, 0.3);
    --tools-card-bg: rgba(30, 41, 59, 0.85);
    --tools-card-border-bg: #1e293b;
    --tools-text: #e2e8f0;
    --tools-text-muted: #94a3b8;
    --tools-input-bg: #1e293b;
    --tools-footer-bg: rgba(15, 23, 42, 0.9);
    --tools-footer-border: rgba(30, 58, 95, 0.5);
    --tools-divider: #334155;
    --tools-highlight-bg: #1e293b;
    --tools-nav-item-bg: #1e293b;
    --tools-nav-item-text: #60a5fa;
    --tools-nav-item-hover-shadow: rgba(59, 130, 246, 0.3);
}

/* 工具箱全屏背景 */
.tools-bg-layer {
    background: var(--tools-bg);
    height: calc(100vh - 80px);
    padding-top: 16px;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
}

@media (max-width: 991px) {
    .tools-bg-layer {
        height: calc(100vh - 60px);
    }
}

/* 工具箱容器 - 限宽 1600px 居中 */
.tools-wrapper {
    display: flex;
    flex-direction: row;
    max-width: 1600px;
    margin: 0 auto;
    height: 100%;
    position: relative;
}

/* 左侧导航栏 */
.tools-sidebar {
    width: 240px;
    min-width: 240px;
    background: var(--tools-sidebar-bg);
    box-shadow: 5px 0 20px var(--tools-sidebar-shadow);
    border-right: 1px solid var(--tools-sidebar-border);
    z-index: 90;
    padding: 20px;
    overflow-y: auto;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.tools-sidebar-header {
    text-align: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--tools-sidebar-border);
    margin-bottom: 12px;
}

.tools-sidebar-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tools-primary-dark);
    margin: 0;
}

[data-bs-theme="dark"] .tools-sidebar-header h3 {
    color: var(--tools-primary-light);
}

.tools-sidebar-header a {
    color: inherit;
    text-decoration: none;
}

.tools-nav-items {
    display: flex;
    flex-direction: column;
}

.tools-nav-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    margin-bottom: 8px;
    border-radius: 12px;
    border: 2px solid transparent;
    background: linear-gradient(var(--tools-nav-item-bg), var(--tools-nav-item-bg)) padding-box,
                var(--tools-gradient-secondary) border-box;
    text-decoration: none;
    color: var(--tools-nav-item-text);
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.tools-nav-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px var(--tools-nav-item-hover-shadow);
    background: linear-gradient(var(--tools-nav-item-bg), var(--tools-nav-item-bg)) padding-box,
                var(--tools-gradient) border-box;
    color: var(--tools-nav-item-text);
    text-decoration: none;
}

.tools-nav-item i {
    margin-right: 12px;
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
    color: var(--tools-primary);
}

.tools-nav-item.active {
    background: var(--tools-gradient);
    color: white;
    border: 2px solid transparent;
}

.tools-nav-item.active i {
    color: white;
}

.tools-nav-item.active:hover {
    background: var(--tools-gradient-dark);
    color: white;
}

/* 主内容区 */
.tools-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    transition: margin-left 0.3s ease;
}

.tools-topbar {
    background: var(--tools-footer-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--tools-sidebar-border);
    padding: 16px 24px;
    box-shadow: 0 2px 10px var(--tools-sidebar-shadow);
}

.tools-topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tools-topbar i {
    color: var(--tools-primary);
    font-size: 1.5rem;
    margin-right: 12px;
}

.tools-topbar span {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--tools-text);
}

.tools-topbar-sub {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--tools-text-muted);
    margin: 2px 0 0;
}

.tools-content-area {
    width: 100%;
    padding: 2rem 1.5rem;
    flex: 1;
}

/* 横幅 */
.tools-banner {
    position: relative;
    border-radius: 1.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
    overflow: hidden;
    border: 2px solid transparent;
    background: linear-gradient(var(--tools-card-border-bg), var(--tools-card-border-bg)) padding-box,
                var(--tools-gradient) border-box;
}

.tools-banner-bg {
    position: absolute;
    inset: 0;
    background: var(--tools-gradient);
}

.tools-banner-text {
    position: relative;
    z-index: 10;
    text-align: center;
}

.tools-banner h1 {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.75rem;
}

.tools-banner p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

/* 卡片 */
.tools-card {
    background: var(--tools-card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 1.5rem;
    box-shadow: 0 8px 32px var(--tools-sidebar-shadow);
    overflow: hidden;
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.tools-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 1.5rem;
    padding: 2px;
    background: var(--tools-gradient);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.tools-card-header {
    background: var(--tools-gradient);
    color: white;
    padding: 1rem 1.5rem;
    transition: background 0.3s ease;
}

.tools-card-header:hover {
    background: var(--tools-gradient-dark);
}

.tools-card-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    color: white;
    margin: 0;
}

.tools-card-header h2 i {
    margin-right: 10px;
    color: white;
}

.tools-card-body {
    padding: 1.5rem;
}

/* 表单控件 */
.tools-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    border: 2px solid transparent;
    background: linear-gradient(var(--tools-input-bg), var(--tools-input-bg)) padding-box,
                var(--tools-gradient-secondary) border-box;
    font-size: 0.95rem;
    color: var(--tools-text);
    transition: all 0.3s ease;
    outline: none;
}

.tools-input:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
    border-color: var(--tools-primary);
    background: var(--tools-input-bg);
}

.tools-input::placeholder {
    color: var(--tools-text-muted);
}

.tools-textarea {
    resize: vertical;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
}

.tools-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--tools-text);
    margin-bottom: 0.5rem;
}

.tools-checkbox {
    accent-color: var(--tools-primary);
    margin-right: 0.5rem;
    cursor: pointer;
}

/* 按钮 */
.tools-btn-primary {
    position: relative;
    overflow: hidden;
    background: var(--tools-gradient);
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    font-size: 0.95rem;
}

.tools-btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.tools-btn-primary:hover {
    background: var(--tools-gradient-dark);
}

.tools-btn-primary:hover::before {
    left: 100%;
}

.tools-btn-secondary {
    background: var(--tools-highlight-bg);
    border: 2px solid var(--tools-sidebar-border);
    color: var(--tools-text);
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    font-size: 0.95rem;
}

.tools-btn-secondary:hover {
    background: var(--tools-secondary);
}

.tools-btn-gray {
    background: #6b7280;
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tools-btn-gray:hover {
    background: #4b5563;
}

/* 验证码展示 */
.tools-code-display {
    height: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 4px;
    font-family: 'Courier New', monospace;
    font-size: 3rem;
    font-weight: 700;
    color: var(--tools-primary-dark);
    cursor: pointer;
    transition: all 0.3s ease;
}

[data-bs-theme="dark"] .tools-code-display {
    color: var(--tools-primary-light);
}

.tools-code-display:hover {
    transform: scale(1.1);
    color: var(--tools-primary);
}

/* 倒计时 */
.tools-countdown {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tools-primary);
}

/* 注意事项小卡片 */
.tools-note-card {
    text-align: center;
    padding: 1rem;
    background: var(--tools-highlight-bg);
    border-radius: 1rem;
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.tools-note-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 1rem;
    padding: 2px;
    background: var(--tools-gradient);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.tools-note-card i {
    color: var(--tools-primary);
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.tools-note-card p {
    color: var(--tools-text);
    font-size: 0.85rem;
    margin: 0;
}

/* 结果文本颜色 */
.tools-result-text {
    color: var(--tools-primary);
    font-weight: 600;
}

/* 页脚 */
.tools-footer {
    border-top: 1px solid var(--tools-footer-border);
    padding: 1rem 1.5rem;
    margin-top: auto;
    flex-shrink: 0;
}

.tools-footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.4rem 0.75rem;
}

.tools-footer-inner a {
    font-size: 0.8rem;
    color: var(--tools-text-muted);
    text-decoration: none;
    white-space: nowrap;
}

.tools-footer-inner a:hover {
    color: var(--tools-primary);
    text-decoration: underline;
}

.tools-footer-dot {
    color: var(--tools-text-muted);
    opacity: 0.4;
    font-size: 0.8rem;
}

.tools-footer-sep {
    color: var(--tools-text-muted);
    opacity: 0.25;
    font-size: 0.8rem;
    margin: 0 0.25rem;
}

.tools-footer-copy {
    font-size: 0.75rem;
    color: var(--tools-text-muted);
    white-space: nowrap;
}

/* 复制提示条 */
.tools-copy-notification {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 12px 24px;
    background: #28a745;
    color: white;
    border-radius: 8px;
    font-size: 0.9em;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

.tools-copy-notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* 移动端侧边栏切换按钮 */
.tools-sidebar-toggle {
    position: fixed;
    top: 90px;
    left: 12px;
    width: 42px;
    height: 42px;
    background: var(--tools-gradient);
    color: white;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 91;
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
    border: none;
    font-size: 1rem;
}

.tools-sidebar-toggle:hover {
    background: var(--tools-gradient-dark);
}

/* "功能开发中"占位 */
.tools-placeholder {
    text-align: center;
    padding: 4rem 2rem;
}

.tools-placeholder i {
    font-size: 3rem;
    color: var(--tools-text-muted);
    margin-bottom: 1rem;
}

.tools-placeholder h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--tools-text);
    margin-bottom: 0.5rem;
}

.tools-placeholder p {
    color: var(--tools-text-muted);
}

/* FB 筛选 统计卡片顶部 */
.tools-stat-header-green {
    background: linear-gradient(135deg, #22c55e, #10b981);
    color: white;
    padding: 1rem 1.5rem;
}

.tools-stat-header-red {
    background: linear-gradient(135deg, #ef4444, #f43f5e);
    color: white;
    padding: 1rem 1.5rem;
}

.tools-stat-header-green h2,
.tools-stat-header-red h2 {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0;
}

.tools-stat-number-green {
    font-size: 1.75rem;
    font-weight: 700;
    color: #16a34a;
}

.tools-stat-number-red {
    font-size: 1.75rem;
    font-weight: 700;
    color: #dc2626;
}

/* FB 筛选 - 横排统计条 */
.fbsx-stat-bar {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 1.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 1rem;
    background: var(--tools-card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--tools-sidebar-border);
}

.fbsx-stat-item {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.fbsx-stat-item i {
    font-size: 1.5rem;
}

.fbsx-stat-label {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--tools-text);
}

.fbsx-stat-label-sub {
    font-size: 1.1rem;
    color: var(--tools-text-muted);
}

.fbsx-stat-divider {
    width: 1px;
    height: 2rem;
    background: var(--tools-divider);
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .fbsx-stat-bar {
        flex-direction: column;
        gap: 0.25rem;
        padding: 0.75rem 1rem;
    }
    .fbsx-stat-divider {
        width: 80%;
        height: 1px;
    }
}

.tools-stat-number-primary {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--tools-primary-dark);
}

[data-bs-theme="dark"] .tools-stat-number-primary {
    color: var(--tools-primary-light);
}

/* 响应式 */
@media (max-width: 1199px) {
    .tools-sidebar {
        position: fixed;
        left: 0;
        top: 80px;
        height: calc(100vh - 80px);
        transform: translateX(-100%);
        width: 250px;
        min-width: 250px;
    }

    .tools-main {
        width: 100%;
    }

    .tools-sidebar-toggle {
        display: flex;
    }

    .tools-sidebar.show {
        transform: translateX(0);
    }
}

@media (max-width: 991px) {
    .tools-sidebar {
        top: 60px;
        height: calc(100vh - 60px);
    }

    .tools-sidebar-toggle {
        top: 70px;
    }
}

@media (max-width: 768px) {
    .tools-banner h1 {
        font-size: 1.5rem;
    }

    .tools-banner p {
        font-size: 0.95rem;
    }

    .tools-code-display {
        font-size: 2rem;
        letter-spacing: 2px;
    }

    .tools-content-area {
        padding: 1rem;
    }

    .tools-card-body {
        padding: 1rem;
    }
}