/**
 * @license
 * Copyright (c) 2026 AI Table Cleaner. All rights reserved.
 *
 * This source code is the intellectual property of AI Table Cleaner.
 * Unauthorized copying, reproduction, or attempting to derive the source 
 * code for the purpose of creating a competing service, imitation, or 
 * unauthorized redistribution is strictly prohibited.
 *
 * Please refer to our Terms of Service.
 */
:root {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-success: #16a34a;
    --color-error: #dc2626;
    --font-family-base: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
    --font-size-base: 16px;    
    --table-bg: #ffffff;
    --table-header-bg: #f3f4f6;
    --table-border: #e5e7eb;
    --table-text: #111827;
    --table-row-hover: #f9fafb;
    --table-cell-padding: 0.75rem 1rem;
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --transition-speed: 0.3s;
}
.dark {
    --table-bg: #1f2937;
    --table-header-bg: #374151;
    --table-border: #4b5563;
    --table-text: #f9fafb;
    --table-row-hover: #111827;
}
body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}
.hidden {
    display: none !important;
}
.ad-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: 1rem auto;
    overflow: hidden;
    min-height: 90px; 
    background-color: transparent;
}
.ad-container:empty {
    display: none !important;
    margin: 0 !important;
    padding: 0 !important;
    height: 0 !important;
    min-height: 0 !important;
    border: none !important;
}
#table-container table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--table-bg);
    color: var(--table-text);
    font-size: 0.875rem;
    text-align: left;
    border: 1px solid var(--table-border);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}
#table-container th {
    background-color: var(--table-header-bg);
    font-weight: 600;
    padding: var(--table-cell-padding);
    border-bottom: 2px solid var(--table-border);
    border-right: 1px solid var(--table-border);
    white-space: nowrap;
}
#table-container td {
    padding: var(--table-cell-padding);
    border-bottom: 1px solid var(--table-border);
    border-right: 1px solid var(--table-border);
    transition: background-color var(--transition-speed) ease;
}
#table-container tr:last-child td {
    border-bottom: none;
}
#table-container th:last-child,
#table-container td:last-child {
    border-right: none;
}
#table-container tbody tr:hover td {
    background-color: var(--table-row-hover);
}
#table-container th[contenteditable="true"]:hover,
#table-container td[contenteditable="true"]:hover {
    outline: 1px dashed var(--color-primary);
    cursor: text;
}
#table-container th[contenteditable="true"],
#table-container td[contenteditable="true"] {
    cursor: text;
    outline: none;
}
#table-container th[contenteditable="true"]:focus,
#table-container td[contenteditable="true"]:focus {
    background-color: rgba(37, 99, 235, 0.1); 
    box-shadow: inset 0 0 0 2px var(--color-primary);
    outline: none;
}
.dark #table-container th[contenteditable="true"]:focus,
.dark #table-container td[contenteditable="true"]:focus {
    background-color: rgba(59, 130, 246, 0.2);
}
.export-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
    background-color: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.export-btn:hover {
    background-color: #f3f4f6;
    border-color: #9ca3af;
    transform: translateY(-1px);
}
.dark .export-btn {
    color: #e5e7eb;
    background-color: #374151;
    border-color: #4b5563;
}
.dark .export-btn:hover {
    background-color: #4b5563;
    border-color: #6b7280;
}
.toast {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-md);
    color: #ffffff;
    font-weight: 500;
    font-size: 0.875rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    animation: slideInRight 0.3s ease-out forwards;
    opacity: 0;
    transform: translateX(100%);
    max-width: 350px;
    z-index: 9999;
}
.toast.success {
    background-color: var(--color-success);
}
.toast.error {
    background-color: var(--color-error);
}
.toast.info {
    background-color: var(--color-primary);
}
.toast.fade-out {
    animation: fadeOutRight 0.3s ease-in forwards;
}
.animate-fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}
@keyframes fadeOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}
@media (max-width: 640px) {
    #table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }    
    .toast {
        max-width: 90vw;
    }
}