:root {
            --primary: #4361ee;
            --secondary: #3f37c9;
            --success: #4cc9f0;
            --whatsapp: #25D366;
            --dark: #212529;
            --light: #f8f9fa;
            --border-radius: 8px;
            --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: #f5f7fa;
            padding: 0px;
        }

        .container {
            max-width: 800px;
            margin: 30px auto;
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            overflow: hidden;
        }

        .form-header {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 15px;
            text-align: center;
        }

        .form-header h1 {
            font-size: 28px;
            margin-bottom: 5px;
        }

        .form-header p {
            opacity: 0.9;
        }

        .form-body {
            padding: 20px;
        }

        .form-group {
            margin-bottom: 15px;
            position: relative;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }

        .form-group label .required {
            color: #e63946;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            font-size: 16px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            transition: var(--transition);
            background-color: var(--light);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }

        .phone-container {
            display: flex;
            gap: 15px;
        }

        .country-code {
            width: 30%;
            min-width: 120px;
        }

        .phone-number {
            flex: 1;
        }

        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }

        .form-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 30px;
            border-top: 1px solid #eee;
            background-color: #f8f9fa;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-size: 16px;
            font-weight: 600;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
        }

        .btn i {
            margin-right: 8px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
        }

        .btn-primary:hover {
            background-color: var(--secondary);
            transform: translateY(-2px);
        }

        .btn-whatsapp {
            background-color: var(--whatsapp);
            color: white;
        }

        .btn-whatsapp:hover {
            background-color: #128C7E;
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background-color: var(--primary);
            color: white;
        }

        .input-icon {
            position: relative;
        }

        .input-icon i {
            position: absolute;
            top: 50%;
            left: 15px;
            transform: translateY(-50%);
            color: #6c757d;
        }

        .input-icon .form-control {
            padding-left: 40px;
        }

        .form-row {
            display: flex;
            gap: 20px;
            margin-bottom: 25px;
        }

        .form-col {
            flex: 1;
        }

        .datetime-group {
            display: flex;
            gap: 10px;
        }
        
        select {
            padding: 10px;
            font-size: 16px;
            border-radius: 5px;
            border: 1px solid #ccc;
        }
        label {
            font-weight: bold;
            margin-right: 10px;
        }
        .ocupado {
            color: #999;
        }

        .time {
            flex: 1;
        }

        @media (max-width: 768px) {
            .form-row {
                flex-direction: column;
                gap: 15px;
            }
            
            .phone-container {
                flex-direction: column;
            }

            .datetime-group {
                flex-direction: column;
            }
            
            .country-code {
                width: 100%;
            }
        }

        /* Animaciones */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .form-group {
            animation: fadeIn 0.5s ease forwards;
        }

        .form-group:nth-child(1) { animation-delay: 0.1s; }
        .form-group:nth-child(2) { animation-delay: 0.2s; }
        .form-group:nth-child(3) { animation-delay: 0.3s; }
        .form-group:nth-child(4) { animation-delay: 0.4s; }
        .form-group:nth-child(5) { animation-delay: 0.5s; }
        .form-group:nth-child(6) { animation-delay: 0.6s; }