/* ----------------------------------------------------
   基础变量与毛玻璃样式 (参考 tool-template.html)
---------------------------------------------------- */
:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --danger-color: #EF4444;
    --danger-hover: #DC2626;
    --success-color: #10B981;
    --success-hover: #059669;
    --info-color: #6366F1;
    
    --bg-body: #F3F4F6;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    
    --background-blur: blur(20px);
    --mystic-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --mystic-glow: 0 8px 24px rgba(79, 70, 229, 0.25);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-body: #111827;
        --glass-bg: rgba(31, 41, 55, 0.7);
        --glass-border: rgba(255, 255, 255, 0.05);
        --text-primary: #F9FAFB;
        --text-secondary: #9CA3AF;
        --border-color: #374151;
        --mystic-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(79, 70, 229, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.08), transparent 25%);
    background-attachment: fixed;
    padding-bottom: 40px;
}

/* 导航栏 */
#navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: var(--glass-bg);
    backdrop-filter: var(--background-blur);
    -webkit-backdrop-filter: var(--background-blur);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-title {
    font-weight: 700;
    font-size: 1.25rem;
    background: linear-gradient(135deg, #4F46E5, #9333EA);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.home-btn { text-decoration: none; font-size: 1.25rem; }

/* 主容器 */
.tool-container-standard {
    max-width: 1400px;
    margin: 40px auto;
    padding: 32px;
    background: var(--glass-bg);
    backdrop-filter: var(--background-blur);
    -webkit-backdrop-filter: var(--background-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--mystic-shadow);
}

/* 动画 */
.fade-in { animation: fadeIn 0.4s ease forwards; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* 表单与按钮 */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 14px; color: var(--text-secondary); }
.form-control {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.custom-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.btn {
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-primary {
    width: 100%; padding: 14px; border-radius: var(--radius-md); border: none; font-size: 16px; font-weight: 600; cursor: pointer; transition: var(--transition); background: var(--primary-color); color: #fff; box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: var(--mystic-glow); filter: brightness(1.1); }
.btn-primary:disabled { opacity: 0.7; cursor: not-allowed; }

.btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-primary); }
.btn-outline:hover { background: rgba(0,0,0,0.05); }
.btn-danger { background: var(--danger-color); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-success { background: var(--success-color); color: #fff; }
.btn-success:hover { background: var(--success-hover); }
.btn-info { background: var(--info-color); color: #fff; }

/* 帮助文本 */
.help-text {
    padding: 16px; background: rgba(79, 70, 229, 0.05); border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-sm); font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 24px;
}

/* ================= 胶囊型切换按钮 (Capsule Switch) ================= */
.capsule-switch-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}
.capsule-switch {
    display: inline-flex;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 999px;
    padding: 4px;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}
@media (prefers-color-scheme: dark) {
    .capsule-switch { background: rgba(0, 0, 0, 0.2); }
}
.capsule-btn {
    position: relative;
    z-index: 2;
    padding: 10px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: 999px;
    cursor: pointer;
    transition: color 0.3s ease;
}
.capsule-btn.active { color: var(--primary-color); }
/* 滑动指示块 */
.capsule-indicator {
    position: absolute;
    top: 4px; left: 4px; bottom: 4px;
    width: calc(50% - 4px);
    background: var(--glass-bg);
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    z-index: 1;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================= 数据表格与工具栏 ================= */
.db-selector-wrapper { margin-bottom: 24px; }
.db-list-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.db-btn {
    padding: 10px 18px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: var(--background-blur);
    -webkit-backdrop-filter: var(--background-blur);
}
.db-btn:hover {
    background: rgba(79, 70, 229, 0.08);
    border-color: var(--primary-color);
}
.db-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}
.toolbar {
    display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 16px;
}
.filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 200px;
    max-width: 600px;
}
.search-group {
    position: relative; flex: 1; min-width: 150px; max-width: 300px;
}
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); opacity: 0.5; font-size: 14px; }
.search-input { padding-left: 36px; }
#url-filter {
    flex: 1;
    min-width: 150px;
    max-width: 300px;
}
.action-group { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--glass-bg);
}
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--border-color); font-size: 14px; }
th { font-weight: 600; color: var(--text-secondary); white-space: nowrap; background: rgba(0,0,0,0.02); }
@media (prefers-color-scheme: dark) { th { background: rgba(255,255,255,0.02); } }
tr { transition: var(--transition); }
tr:hover td { background-color: rgba(79, 70, 229, 0.03); }

.empty-state { text-align: center; color: var(--text-secondary); padding: 40px !important; }
.tag { display: inline-block; padding: 4px 8px; border-radius: 4px; background: rgba(79, 70, 229, 0.1); color: var(--primary-color); font-size: 12px; font-weight: 600; }
.text-ellipsis { max-width: 250px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: inline-block; vertical-align: bottom; }

/* 分页 */
.pagination { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 24px; }
.page-info { font-size: 14px; color: var(--text-secondary); }

/* 加载动画 */
.loader { width: 20px; height: 20px; border: 2px solid rgba(255, 255, 255, 0.3); border-radius: 50%; border-top-color: white; animation: spin 0.8s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(4px); z-index: 1000;
    justify-content: center; align-items: center; flex-direction: column; color: white; font-weight: 600;
}
.loading-overlay .loader { width: 40px; height: 40px; border-width: 3px; margin-bottom: 16px; }

/* Toast */
#toast {
    position: fixed; bottom: 32px; left: 50%; transform: translate(-50%, 100px);
    padding: 12px 24px; border-radius: 999px; background: #111827; color: white; font-weight: 500; font-size: 14px;
    opacity: 0; transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55); z-index: 2000; box-shadow: var(--mystic-shadow);
}
#toast.show { transform: translate(-50%, 0); opacity: 1; }
#toast.error { background: var(--danger-color); }

/* 模态框 */
.modal-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(8px); z-index: 1500;
    justify-content: center; align-items: center;
}
.modal {
    background: var(--glass-bg); border-radius: var(--radius-lg); padding: 32px; width: 100%; max-width: 500px;
    box-shadow: var(--mystic-shadow); border: 1px solid var(--glass-border);
    animation: scaleUp 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes scaleUp { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.reply-context { font-size: 14px; color: var(--text-secondary); margin-bottom: 16px; padding: 12px; background: rgba(0,0,0,0.03); border-radius: var(--radius-sm); border-left: 3px solid var(--primary-color); }