:root {
            --primary: #007ced;
            --primary-dark: #0066cc;
            --primary-light: #3399ff;
            --secondary: #00c6ff;
            --accent: #ff6b6b;
            --success: #00d27f;
            --warning: #ffd166;
            --danger: #ff6b6b;
            --info: #4ecdc4;
            --purple: #9d4edd;
            --orange: #ff9e64;
            --dark: #121212;
            --darker: #0a0a0a;
            --dark-light: #1e1e1e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --gray-light: #a0a0a0;
            --border-radius: 14px;
            --border-radius-lg: 20px;
            --box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
            --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

        body {
            font-family: 'Inter', sans-serif;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            margin: 0;
            background: linear-gradient(135deg, #0a0a0a 0%, #121212 50%, #1a1a2e 100%);
            color: var(--light);
            padding: 20px;
            line-height: 1.6;
            scroll-behavior: smooth;
        }

        .main-container {
            display: flex;
            gap: 35px;
            width: 100%;
            max-width: 1300px;
            align-items: flex-start;
        }

        .container {
            background: linear-gradient(145deg, #1a1a1a, #222222);
            padding: 35px;
            border-radius: var(--border-radius-lg);
            box-shadow: var(--box-shadow);
            flex: 1;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.08);
            position: relative;
            overflow: hidden;
            min-height: 650px;
        }

        .container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(to right, var(--primary), var(--secondary), var(--primary));
            border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
        }

        .container::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 20% 80%, rgba(0, 124, 237, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 80% 20%, rgba(255, 107, 107, 0.05) 0%, transparent 50%);
            pointer-events: none;
        }

        .results-sidebar {
            background: linear-gradient(145deg, #1a1a1a, #222222);
            padding: 35px;
            border-radius: var(--border-radius-lg);
            box-shadow: var(--box-shadow);
            width: 420px;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.08);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .results-sidebar::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(to right, var(--primary), var(--secondary), var(--primary));
            border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
        }

        .results-sidebar::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 80% 20%, rgba(0, 198, 255, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(255, 107, 107, 0.05) 0%, transparent 50%);
            pointer-events: none;
        }

        h2 {
            text-align: center;
            margin-bottom: 30px;
            font-weight: 700;
            font-size: 2.2rem;
            position: relative;
            padding-bottom: 20px;
            color: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 5px;
            background: linear-gradient(to right, var(--primary), var(--secondary), var(--primary));
            border-radius: 3px;
        }

        .highlight {
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 800;
        }

        .whatsapp-icon {
            width: 40px;
            height: 40px;
            filter: drop-shadow(0 0 10px rgba(0, 124, 237, 0.5));
        }

        .form-control {
            width: 100%;
            padding: 18px 20px;
            border-radius: var(--border-radius);
            border: 2px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 25px;
            font-size: 16px;
            font-family: 'Inter', sans-serif;
            box-sizing: border-box;
            background: rgba(30, 30, 30, 0.8);
            color: var(--light);
            transition: var(--transition);
            backdrop-filter: blur(10px);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(0, 124, 237, 0.2);
            background: rgba(40, 40, 40, 0.9);
            transform: translateY(-2px);
        }

        .form-control::placeholder {
            color: var(--gray-light);
        }

        .erro {
            color: var(--danger);
            margin-bottom: 20px;
            padding: 15px;
            border-radius: var(--border-radius);
            background: rgba(255, 107, 107, 0.1);
            border-left: 4px solid var(--danger);
            display: none;
            backdrop-filter: blur(10px);
        }

        .btn-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
            margin-bottom: 30px;
        }

        .btn {
            color: white;
            border: none;
            padding: 16px 24px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-size: 1.05rem;
            font-weight: 600;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s;
        }

        .btn:hover:not(:disabled) {
            transform: translateY(-5px) scale(1.02);
            filter: brightness(1.1);
        }

        .btn:hover:not(:disabled)::before {
            left: 100%;
        }

        .btn:active {
            transform: translateY(-2px) scale(1.01);
        }

        .btn:disabled {
            background: linear-gradient(145deg, #6c757d, #495057);
            box-shadow: none;
            cursor: not-allowed;
            opacity: 0.6;
            transform: none !important;
        }

        /* Cores específicas para cada botão */
        .btn.process {
            background: linear-gradient(145deg, var(--primary), var(--primary-dark));
            box-shadow: 0 8px 25px rgba(0, 124, 237, 0.4);
        }

        .btn.process:hover:not(:disabled) {
            box-shadow: 0 12px 35px rgba(0, 124, 237, 0.6);
        }

        .btn.whatsapp {
            background: linear-gradient(145deg, var(--success), #00b874);
            box-shadow: 0 8px 25px rgba(0, 210, 127, 0.4);
        }

        .btn.whatsapp:hover:not(:disabled) {
            box-shadow: 0 12px 35px rgba(0, 210, 127, 0.6);
        }

        .btn.qr {
            background: linear-gradient(145deg, var(--purple), #8c3dd4);
            box-shadow: 0 8px 25px rgba(157, 78, 221, 0.4);
        }

        .btn.qr:hover:not(:disabled) {
            box-shadow: 0 12px 35px rgba(157, 78, 221, 0.6);
        }

        .btn.download {
            background: linear-gradient(145deg, var(--orange), #ff8c42);
            box-shadow: 0 8px 25px rgba(255, 158, 100, 0.4);
            color: #2d3436;
        }

        .btn.download:hover:not(:disabled) {
            box-shadow: 0 12px 35px rgba(255, 158, 100, 0.6);
        }

        .link-container {
            margin-top: 25px;
            text-align: center;
        }

        .whatsapp-link {
            display: inline-block;
            padding: 15px 25px;
            margin: 10px 0;
            border-radius: var(--border-radius);
            background: linear-gradient(145deg, var(--primary), var(--primary-dark));
            color: white;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(0, 124, 237, 0.4);
            backdrop-filter: blur(10px);
        }

        .whatsapp-link:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(0, 124, 237, 0.6);
        }

        .whatsapp-web-link {
            display: inline-block;
            padding: 15px 25px;
            margin: 10px 0;
            border-radius: var(--border-radius);
            background: linear-gradient(145deg, var(--secondary), #00a8cc);
            color: white;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(0, 198, 255, 0.4);
            backdrop-filter: blur(10px);
        }

        .whatsapp-web-link:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(0, 198, 255, 0.6);
        }

        .qrcode-container {
            margin: 25px auto;
            text-align: center;
            display: none;
            padding: 25px;
            background: rgba(30, 30, 30, 0.8);
            border-radius: var(--border-radius);
            max-width: 280px;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .link-display-container {
            margin: 25px auto;
            text-align: center;
            display: none;
            padding: 25px;
            background: rgba(30, 30, 30, 0.8);
            border-radius: var(--border-radius);
            max-width: 100%;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            scroll-margin-top: 20px;
        }

        .link-display {
            background: rgba(40, 40, 40, 0.9);
            padding: 15px;
            border-radius: var(--border-radius);
            border: 1px solid rgba(255, 255, 255, 0.1);
            word-break: break-all;
            font-family: 'Courier New', monospace;
            font-size: 14px;
            color: var(--light);
            width: 100%;
            max-width: 500px;
            text-align: left;
            line-height: 1.4;
        }

        .link-actions {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            justify-content: center;
            width: 100%;
            max-width: 500px;
        }

        .link-action-btn {
            padding: 12px 20px;
            border-radius: var(--border-radius);
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            min-width: 140px;
            justify-content: center;
        }

        .link-action-btn.copy-link {
            background: linear-gradient(145deg, var(--info), #3dbdb5);
            color: white;
            box-shadow: 0 4px 15px rgba(78, 205, 196, 0.3);
        }

        .link-action-btn.copy-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(78, 205, 196, 0.5);
        }

        .link-action-btn.open-whatsapp {
            background: linear-gradient(145deg, var(--success), #00b874);
            color: white;
            box-shadow: 0 4px 15px rgba(0, 210, 127, 0.3);
        }

        .link-action-btn.open-whatsapp:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 210, 127, 0.5);
        }

        .feedback {
            margin-top: 25px;
            padding: 15px 25px;
            border-radius: var(--border-radius);
            background: linear-gradient(145deg, var(--success), #00b874);
            color: white;
            text-align: center;
            font-weight: 600;
            box-shadow: 0 6px 20px rgba(0, 210, 127, 0.4);
            display: none;
            backdrop-filter: blur(10px);
        }

        .sidebar-title {
            text-align: center;
            margin-bottom: 25px;
            font-weight: 700;
            color: var(--primary);
            font-size: 1.5rem;
            position: relative;
            padding-bottom: 15px;
        }

        .sidebar-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .footer {
            margin-top: 40px;
            text-align: center;
            color: var(--gray-light);
            font-size: 0.95rem;
            opacity: 0.8;
            width: 100%;
            max-width: 1300px;
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        .fade-in {
            animation: fadeIn 0.6s ease forwards;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(0, 124, 237, 0.6); }
            70% { box-shadow: 0 0 0 15px rgba(0, 124, 237, 0); }
            100% { box-shadow: 0 0 0 0 rgba(0, 124, 237, 0); }
        }

        .pulse {
            animation: pulse 2s infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        .floating {
            animation: float 3s ease-in-out infinite;
        }

        /* Layout responsivo */
        @media (max-width: 1200px) {
            .main-container {
                flex-direction: column;
                gap: 25px;
            }
            
            .results-sidebar {
                width: 100%;
                order: 2;
            }
            
            .container {
                order: 1;
                min-height: auto;
            }
        }

        @media (max-width: 768px) {
            .container, .results-sidebar {
                padding: 25px;
            }
            
            .btn-container {
                grid-template-columns: 1fr;
                gap: 15px;
            }
            
            h2 {
                font-size: 1.8rem;
            }
            
            .main-container {
                gap: 20px;
            }
            
            .link-display {
                font-size: 12px;
                padding: 12px;
            }
            
            .link-actions {
                flex-direction: column;
            }
            
            .link-action-btn {
                min-width: 100%;
            }
        }

        @media (max-width: 480px) {
            body {
                padding: 15px;
            }
            
            .container, .results-sidebar {
                padding: 20px;
            }
            
            .btn {
                padding: 14px 20px;
                font-size: 1rem;
            }
            
            h2 {
                font-size: 1.5rem;
            }
            
            .form-control {
                padding: 15px;
                font-size: 15px;
            }
            
            .qrcode-container, .link-display-container {
                padding: 20px;
            }
        }

        @media (max-width: 360px) {
            .btn {
                padding: 12px 16px;
                font-size: 0.9rem;
            }
            
            h2 {
                font-size: 1.3rem;
            }
            
            .sidebar-title {
                font-size: 1.2rem;
            }
            
            .link-display {
                font-size: 11px;
                padding: 10px;
            }
        }