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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
            min-height: 100vh;
            color: #e4e4e4;
            padding: 20px;
        }

        .container {
            max-width: 1000px;
            margin: 0 auto;
        }

        .site-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            padding: 12px 0 20px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            margin-bottom: 20px;
            font-size: 0.9rem;
        }
        .site-nav a { color: #00d2ff; text-decoration: none; }
        .site-nav a:hover { text-decoration: underline; }
        .site-nav .nav-langs { margin-left: auto; display: flex; gap: 8px; }
        .site-nav .nav-langs a { color: #888; }
        .site-nav .nav-langs a.act { color: #00d2ff; }

        .home-sections-wrap { margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.08); }
        .home-section { margin-bottom: 24px; }
        .home-section h2 { font-size: 1.15rem; color: #bbb; margin-bottom: 10px; }
        .home-section ul { margin: 8px 0 0 20px; color: #999; font-size: 0.9rem; line-height: 1.6; }
        .home-section p { color: #aaa; font-size: 0.9rem; line-height: 1.6; }
        .home-cta { margin: 20px 0; }
        .home-cta a { color: #00d2ff; font-weight: 600; }

        h1 {
            text-align: center;
            margin-bottom: 8px;
            font-size: 2.2rem;
            background: linear-gradient(90deg, #00d2ff, #3a7bd5, #00d2ff);
            background-size: 200% auto;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: shine 3s linear infinite;
        }

        @keyframes shine {
            to { background-position: 200% center; }
        }

        .subtitle {
            text-align: center;
            color: #666;
            margin-bottom: 25px;
            font-size: 0.9rem;
        }

        .input-section {
            background: rgba(255,255,255,0.03);
            border-radius: 20px;
            padding: 25px;
            margin-bottom: 20px;
            border: 1px solid rgba(255,255,255,0.08);
            backdrop-filter: blur(10px);
        }

        .input-methods {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        .input-method {
            background: rgba(0,0,0,0.2);
            border-radius: 16px;
            padding: 20px;
            border: 2px dashed rgba(255,255,255,0.1);
            transition: all 0.3s;
        }

        .input-method:hover {
            border-color: rgba(0,210,255,0.3);
        }

        .method-title {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 15px;
            font-weight: 600;
            color: #aaa;
        }

        .method-title span {
            font-size: 1.5rem;
        }

        label {
            display: block;
            margin-bottom: 10px;
            font-weight: 500;
            color: #888;
            font-size: 0.85rem;
        }

        textarea {
            width: 100%;
            height: 200px;
            background: rgba(0,0,0,0.4);
            border: 2px solid rgba(255,255,255,0.08);
            border-radius: 12px;
            padding: 15px;
            color: #fff;
            font-family: 'Monaco', 'Consolas', monospace;
            font-size: 12px;
            resize: vertical;
            transition: border-color 0.3s;
        }

        textarea:focus {
            outline: none;
            border-color: #00d2ff;
        }

        textarea::placeholder {
            color: #444;
        }

        .file-upload {
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 200px;
            background: rgba(0,0,0,0.3);
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .file-upload:hover {
            background: rgba(0,210,255,0.1);
        }

        .file-upload input {
            position: absolute;
            width: 100%;
            height: 100%;
            opacity: 0;
            cursor: pointer;
        }

        .file-upload-icon {
            font-size: 3rem;
            margin-bottom: 10px;
        }

        .file-upload-text {
            color: #888;
            font-size: 0.9rem;
        }

        .file-upload-hint {
            color: #555;
            font-size: 0.75rem;
            margin-top: 5px;
        }

        .file-name {
            color: #00d2ff;
            font-size: 0.85rem;
            margin-top: 10px;
            display: none;
        }

        .btn-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        button {
            padding: 14px 28px;
            border: none;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #00d2ff, #3a7bd5);
            color: white;
            flex: 1;
            justify-content: center;
        }

        .btn-primary:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0,210,255,0.35);
        }

        .btn-primary:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
        }

        .btn-success {
            background: linear-gradient(135deg, #00b894, #00cec9);
            color: white;
        }

        .btn-success:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0,184,148,0.35);
        }

        .btn-secondary {
            background: rgba(255,255,255,0.08);
            color: #aaa;
        }

        .btn-secondary:hover {
            background: rgba(255,255,255,0.15);
        }

        .btn-danger {
            background: rgba(255,107,107,0.2);
            color: #ff6b6b;
        }

        .btn-danger:hover {
            background: rgba(255,107,107,0.3);
        }

        .progress-section {
            background: rgba(255,255,255,0.03);
            border-radius: 20px;
            padding: 25px;
            margin-bottom: 20px;
            border: 1px solid rgba(255,255,255,0.08);
            display: none;
        }

        .progress-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .progress-title {
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .progress-counter {
            font-size: 0.9rem;
            color: #888;
        }

        .progress-bar-container {
            height: 12px;
            background: rgba(0,0,0,0.4);
            border-radius: 6px;
            overflow: hidden;
            position: relative;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #00d2ff, #3a7bd5, #00d2ff);
            background-size: 200% 100%;
            width: 0%;
            transition: width 0.3s;
            animation: progressShine 2s linear infinite;
            border-radius: 6px;
        }

        @keyframes progressShine {
            to { background-position: 200% 0; }
        }

        .progress-details {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-top: 20px;
        }

        .progress-stat {
            background: rgba(0,0,0,0.2);
            padding: 15px;
            border-radius: 10px;
            text-align: center;
        }

        .progress-stat-value {
            font-size: 1.8rem;
            font-weight: 700;
        }

        .progress-stat-label {
            font-size: 0.75rem;
            color: #666;
            margin-top: 3px;
        }

        .progress-stat.online .progress-stat-value { color: #00b894; }
        .progress-stat.offline .progress-stat-value { color: #ff6b6b; }
        .progress-stat.checking .progress-stat-value { color: #00d2ff; }

        .current-check {
            margin-top: 15px;
            padding: 12px 15px;
            background: rgba(0,0,0,0.3);
            border-radius: 8px;
            font-family: monospace;
            font-size: 12px;
            color: #888;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .current-check span {
            color: #00d2ff;
        }

        .stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
            margin-bottom: 20px;
        }

        .stat-card {
            background: rgba(255,255,255,0.03);
            padding: 20px;
            border-radius: 16px;
            text-align: center;
            border: 1px solid rgba(255,255,255,0.08);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
        }

        .stat-label {
            color: #666;
            font-size: 0.8rem;
            margin-top: 5px;
        }

        .stat-card.total .stat-number { color: #ddd; }
        .stat-card.online .stat-number { color: #00b894; }
        .stat-card.valid .stat-number { color: #00d2ff; }
        .stat-card.invalid .stat-number { color: #ff6b6b; }

        .results-section {
            background: rgba(255,255,255,0.03);
            border-radius: 20px;
            padding: 25px;
            border: 1px solid rgba(255,255,255,0.08);
            display: none;
        }

        .results-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 15px;
        }

        .results-title {
            font-size: 1.3rem;
            font-weight: 600;
        }

        .filter-btns {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 10px 18px;
            border-radius: 25px;
            font-size: 12px;
            background: rgba(255,255,255,0.05);
            color: #888;
            border: 1px solid rgba(255,255,255,0.1);
            cursor: pointer;
            transition: all 0.2s;
            font-weight: 500;
        }

        .filter-btn.active {
            background: linear-gradient(135deg, #00d2ff, #3a7bd5);
            color: white;
            border-color: transparent;
        }

        .filter-btn:hover:not(.active) {
            background: rgba(255,255,255,0.1);
        }

        .results-list {
            max-height: 400px;
            overflow-y: auto;
        }

        .results-list::-webkit-scrollbar {
            width: 6px;
        }

        .results-list::-webkit-scrollbar-track {
            background: rgba(0,0,0,0.2);
            border-radius: 3px;
        }

        .results-list::-webkit-scrollbar-thumb {
            background: rgba(255,255,255,0.2);
            border-radius: 3px;
        }

        .result-item {
            display: grid;
            grid-template-columns: auto 1fr auto auto;
            align-items: center;
            padding: 15px 18px;
            background: rgba(0,0,0,0.25);
            border-radius: 12px;
            margin-bottom: 10px;
            gap: 15px;
            transition: all 0.2s;
            border-left: 4px solid transparent;
        }

        .result-item:hover {
            background: rgba(0,0,0,0.35);
        }

        .result-item.valid {
            border-left-color: #00b894;
        }

        .result-item.invalid {
            border-left-color: #ff6b6b;
        }

        .result-item.offline {
            border-left-color: #636e72;
        }

        .result-item.hidden {
            display: none;
        }

        .result-status {
            font-size: 1.5rem;
            width: 40px;
            text-align: center;
        }

        .result-content {
            min-width: 0;
        }

        .result-url {
            font-family: monospace;
            font-size: 12px;
            word-break: break-all;
            color: #ccc;
            margin-bottom: 5px;
        }

        .result-meta {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .result-badge {
            font-size: 10px;
            padding: 3px 8px;
            border-radius: 4px;
            background: rgba(255,255,255,0.1);
            color: #888;
        }

        .result-badge.online {
            background: rgba(0,184,148,0.2);
            color: #00b894;
        }

        .result-badge.offline {
            background: rgba(99,110,114,0.3);
            color: #b2bec3;
        }

        .result-badge.has-content {
            background: rgba(0,210,255,0.2);
            color: #00d2ff;
        }

        .result-badge.no-content {
            background: rgba(255,107,107,0.2);
            color: #ff6b6b;
        }

        .result-stats {
            text-align: right;
            min-width: 100px;
        }

        .result-count {
            font-size: 1.1rem;
            font-weight: 600;
            color: #00d2ff;
        }

        .result-count-label {
            font-size: 10px;
            color: #666;
        }

        .result-time {
            font-size: 11px;
            color: #555;
            margin-top: 3px;
        }

        .clean-list-section {
            margin-top: 25px;
            padding-top: 25px;
            border-top: 1px solid rgba(255,255,255,0.1);
            display: none;
        }

        .clean-list-section textarea {
            height: 180px;
            margin-bottom: 15px;
        }

        .copy-notice {
            text-align: center;
            color: #00b894;
            padding: 12px;
            background: rgba(0,184,148,0.1);
            border-radius: 8px;
            display: none;
            animation: fadeSlide 0.3s;
        }

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

        .spinner {
            width: 20px;
            height: 20px;
            border: 2px solid transparent;
            border-top-color: white;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .pulse {
            animation: pulse 1.5s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .info-box {
            background: rgba(0,210,255,0.1);
            border: 1px solid rgba(0,210,255,0.2);
            border-radius: 12px;
            padding: 15px 20px;
            margin-bottom: 20px;
            font-size: 0.85rem;
            color: #88c8d8;
        }

        .info-box strong {
            color: #00d2ff;
        }

        @media (max-width: 768px) {
            .input-methods {
                grid-template-columns: 1fr;
            }
            
            .stats {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .progress-details {
                grid-template-columns: 1fr;
            }
            
            .btn-row {
                flex-direction: column;
            }
            
            button {
                width: 100%;
                justify-content: center;
            }

            .result-item {
                grid-template-columns: auto 1fr;
                grid-template-rows: auto auto;
            }

            .result-stats {
                grid-column: 1 / -1;
                text-align: left;
                display: flex;
                gap: 15px;
                margin-top: 5px;
            }
        }